{"schema":"gale.providerFacts/1","npi":"1275623191","url":"https://www.gale.care/providers/ca/grass-valley/nathaniel-woodruff-md-phd-1275623191","factsUrl":"https://www.gale.care/npi/1275623191.json","markdownUrl":"https://www.gale.care/npi/1275623191.md","generatedAt":"2026-11-03T02:30:40.417Z","exportId":"elig-ca-20261023T221350Z","factsHash":"549197a69619d6b9","factsChangedAt":"2026-10-23T00:00:00.000Z","index":{"robots":"index","basis":"index-all"},"summary":"Nathaniel Woodruff, MD, PhD (NPI 1275623191) is listed in the NPPES registry with the specialty Cardiovascular Disease Physician in Grass Valley, CA, phone (530) 477-8358, as of the registry file of Jun 8, 2026.","identity":{"name":{"id":"name","value":"Nathaniel Woodruff","status":"self-reported","source":"nppes-registry","asOf":"2026-06-08","checkedAt":null,"staleAfter":null,"confidence":"high","gate":"G0","sentence":"The NPPES registry lists Nathaniel Woodruff under NPI 1275623191, as of the registry file of Jun 8, 2026."},"credential":{"id":"credential","value":"MD, PhD","status":"self-reported","source":"nppes-registry","asOf":"2026-06-08","checkedAt":null,"staleAfter":null,"confidence":"high","gate":"G0","sentence":"The NPPES registry lists the credential MD, PhD for Nathaniel Woodruff, MD, PhD (NPI 1275623191), as of the registry file of Jun 8, 2026."},"specialty":{"id":"specialty","value":"Cardiovascular Disease Physician","status":"self-reported","source":"nppes-registry","asOf":"2026-06-08","checkedAt":null,"staleAfter":null,"confidence":"high","gate":"G0","sentence":"The NPPES registry lists Nathaniel Woodruff, MD, PhD (NPI 1275623191) under the specialty Cardiovascular Disease Physician, as of the registry file of Jun 8, 2026."},"registryStage":{"id":"registry-stage","value":"as-listed","status":"self-reported","source":"nppes-registry","asOf":"2026-06-08","checkedAt":null,"staleAfter":null,"confidence":"high","gate":"G0","sentence":"The NPPES registry does not list Nathaniel Woodruff, MD, PhD (NPI 1275623191) under a training program, as of the registry file of Jun 8, 2026."},"npiIssued":{"id":"npi-issued","value":2006,"status":"confirmed","source":"nppes-registry","asOf":"2026-06-08","checkedAt":null,"staleAfter":null,"confidence":"high","gate":"G0","sentence":"The NPPES registry shows NPI 1275623191 (Nathaniel Woodruff, MD, PhD) issued in 2006, as of the registry file of Jun 8, 2026."},"practiceType":{"id":"practice-type","value":"sole-proprietor","status":"self-reported","source":"nppes-registry","asOf":"2026-06-08","checkedAt":null,"staleAfter":null,"confidence":"high","gate":"G0","sentence":"The NPPES registry lists Nathaniel Woodruff, MD, PhD (NPI 1275623191) as a sole proprietor, as of the registry file of Jun 8, 2026."}},"location":{"city":{"id":"city","value":"Grass Valley","status":"self-reported","source":"nppes-registry","asOf":"2026-06-08","checkedAt":null,"staleAfter":null,"confidence":"high","gate":"G0","sentence":"The NPPES registry lists a practice location in Grass Valley for Nathaniel Woodruff, MD, PhD (NPI 1275623191), as of the registry file of Jun 8, 2026."},"state":{"id":"state","value":"CA","status":"self-reported","source":"nppes-registry","asOf":"2026-06-08","checkedAt":null,"staleAfter":null,"confidence":"high","gate":"G0","sentence":"The NPPES registry lists a practice location in CA for Nathaniel Woodruff, MD, PhD (NPI 1275623191), as of the registry file of Jun 8, 2026."}},"contact":{"phone":{"id":"phone","value":"(530) 477-8358","status":"self-reported","source":"nppes-registry","asOf":"2026-06-08","checkedAt":null,"staleAfter":null,"confidence":"high","gate":"G0","sentence":"The NPPES registry lists (530) 477-8358 as the practice phone for Nathaniel Woodruff, MD, PhD (NPI 1275623191), as of the registry file of Jun 8, 2026."}},"care":{},"insurance":{"rows":[{"id":"ins-medi-cal-ffs-medi-cal","value":{"payer":"medi-cal-ffs","payerLabel":"Medi-Cal fee-for-service","line":"medi-cal","products":["Medi-Cal FFS"],"accepts":true,"setting":null},"status":"confirmed","source":"dhcs-ffs-enrolled-2026-10-19","asOf":"2026-10-19","checkedAt":"2026-10-22T14:41:40Z","staleAfter":"2027-02-16","confidence":"high","gate":"G3","sentence":"Listed: DHCS Medi-Cal fee-for-service enrolment file listed Nathaniel Woodruff, MD, PhD (NPI 1275623191) for Medi-Cal fee-for-service on Oct 19, 2026."},{"id":"ins-medicare-medicare","value":{"payer":"medicare","payerLabel":"Original Medicare","line":"medicare","products":["Medicare Part B"],"accepts":true,"setting":"office"},"status":"confirmed","source":"cms-medicare-clinicians","asOf":"2026-10-02","checkedAt":"2026-10-22T14:36:32Z","staleAfter":"2027-01-30","confidence":"high","gate":"G3","sentence":"Listed: CMS Medicare clinicians file listed Nathaniel Woodruff, MD, PhD (NPI 1275623191) for Original Medicare on Oct 2, 2026. Gale checked 23 listings in this file by hand on Oct 22, 2026; none were wrong."},{"id":"ins-aetna-commercial","value":{"payer":"aetna","payerLabel":"Aetna","line":"commercial","products":["AHF Choice POS II","AHF OA MC","AHF Open Access Aetna Select","Aetna Choice POS II","Aetna Select","HF OPEN POS II","HSA Aetna Choice POS II","HSA OPEN POS II"],"accepts":null,"setting":null},"status":"inferred","source":"aetna-tic-2026-10","asOf":"2026-10-05","checkedAt":"2026-10-22T17:01:05Z","staleAfter":"2027-04-03","confidence":"low","gate":"G3i","sentence":"Likely: Aetna's price file suggests Aetna pays Nathaniel Woodruff, MD, PhD (NPI 1275623191) for commercial plans (file of Oct 5, 2026). That is a lead, not a directory listing."},{"id":"ins-anthem-commercial","value":{"payer":"anthem","payerLabel":"Anthem Blue Cross","line":"commercial","products":["CA DIGNITY HEALTH ECHW","CA EPO BLUE CONNECTION","CA EPO HIGH PERFORMANCE","CA EPO HIGH PERFORMANCE FALL-THRU MIX F","CA EPO USC TIER 1","CA HMO ADVANTAGE","CA HMO ADVANTAGE PLUS CC55","CA HMO ADVANTAGE TIER 1"],"accepts":null,"setting":null},"status":"inferred","source":"anthem-tic-2026-10","asOf":"2026-10-01","checkedAt":"2026-10-22T17:01:10Z","staleAfter":"2027-03-30","confidence":"low","gate":"G3i","sentence":"Likely: Anthem Blue Cross's price file suggests Anthem Blue Cross pays Nathaniel Woodruff, MD, PhD (NPI 1275623191) for commercial plans (file of Oct 1, 2026). That is a lead, not a directory listing."},{"id":"ins-anthem-marketplace","value":{"payer":"anthem","payerLabel":"Anthem Blue Cross","line":"marketplace","products":["CA EPO Pathway","CA HMO Pathway"],"accepts":null,"setting":null},"status":"inferred","source":"anthem-tic-2026-10","asOf":"2026-10-01","checkedAt":"2026-10-22T17:01:10Z","staleAfter":"2027-03-30","confidence":"low","gate":"G3i","sentence":"Likely: Anthem Blue Cross's price file suggests Anthem Blue Cross pays Nathaniel Woodruff, MD, PhD (NPI 1275623191) for individual and family plans (file of Oct 1, 2026). That is a lead, not a directory listing."},{"id":"ins-anthem-workers-comp","value":{"payer":"anthem","payerLabel":"Anthem Blue Cross","line":"workers-comp","products":["CA WORKERS COMP PERCENTAGE","CA WORKERS COMP WC06","CA WORKERS COMPENSATION"],"accepts":null,"setting":null},"status":"inferred","source":"anthem-tic-2026-10","asOf":"2026-10-01","checkedAt":"2026-10-22T17:01:10Z","staleAfter":"2027-03-30","confidence":"low","gate":"G3i","sentence":"Likely: Anthem Blue Cross's price file suggests Anthem Blue Cross pays Nathaniel Woodruff, MD, PhD (NPI 1275623191) for workers' compensation (file of Oct 1, 2026). That is a lead, not a directory listing."},{"id":"ins-cigna-commercial","value":{"payer":"cigna","payerLabel":"Cigna / Evernorth","line":"commercial","products":["LOCALPLUS","LOCALPLUS SAR","LOCALPLUS WITH EBH PLUS PATHWELL","NATIONAL OAP","NATIONAL PPO","PATHWELL OAP","PATHWELL PPO"],"accepts":null,"setting":null},"status":"inferred","source":"cigna-tic-2026-10","asOf":"2026-10-01","checkedAt":"2026-10-22T17:00:58Z","staleAfter":"2027-03-30","confidence":"low","gate":"G3i","sentence":"Likely: Cigna's price file suggests Cigna / Evernorth pays Nathaniel Woodruff, MD, PhD (NPI 1275623191) for commercial plans (file of Oct 1, 2026). That is a lead, not a directory listing."},{"id":"ins-uhc-commercial","value":{"payer":"uhc","payerLabel":"UnitedHealthcare","line":"commercial","products":["UnitedHealthcare-Benefits-Plan-of-California_Insurer_EP1-50_C1","UnitedHealthcare-Benefits-Plan-of-California_Insurer_EPO-00_S1","UnitedHealthcare-Benefits-Plan-of-California_Insurer_GIL-15_S8","UnitedHealthcare-Benefits-Plan-of-California_Insurer_GIS-15_S7","UnitedHealthcare-Benefits-Plan-of-California_Insurer_POS-00_S2","UnitedHealthcare-Benefits-Plan-of-California_Insurer_PP1-00_P3","UnitedHealthcare-Benefits-Plan-of-California_Insurer_PPO-00_P3","UnitedHealthcare-Benefits-Plan-of-California_Insurer_PS1-50_C2"],"accepts":null,"setting":null},"status":"inferred","source":"uhc-tic-2026-10","asOf":"2026-10-01","checkedAt":"2026-10-22T17:01:03Z","staleAfter":"2027-03-30","confidence":"low","gate":"G3i","sentence":"Likely: UnitedHealthcare's price file suggests UnitedHealthcare pays Nathaniel Woodruff, MD, PhD (NPI 1275623191) for commercial plans (file of Oct 1, 2026). That is a lead, not a directory listing."},{"id":"ins-ahf-medi-cal","value":null,"status":"not-listed","source":"ahf-fhir-directory","asOf":"2026-09-19","checkedAt":"2026-10-22T14:57:40Z","staleAfter":"2027-03-18","confidence":"low","gate":"G3","sentence":"Not listed by AIDS Healthcare Foundation (PHP) Medi-Cal plans for Nathaniel Woodruff, MD, PhD (NPI 1275623191) in AIDS Healthcare Foundation (PHP)'s directory, file of Sep 19, 2026. That is not a no.","checkedSources":[{"source":"ahf-fhir-directory","asOf":"2026-09-19"}]},{"id":"ins-ahf-medicare-advantage","value":null,"status":"not-listed","source":"ahf-fhir-directory","asOf":"2026-09-15","checkedAt":"2026-10-22T14:57:40Z","staleAfter":"2027-03-14","confidence":"low","gate":"G3","sentence":"Not listed by AIDS Healthcare Foundation (PHP) Medicare Advantage plans for Nathaniel Woodruff, MD, PhD (NPI 1275623191) in AIDS Healthcare Foundation (PHP)'s directory, file of Sep 15, 2026. That is not a no.","checkedSources":[{"source":"ahf-fhir-directory","asOf":"2026-09-15"}]},{"id":"ins-bsc-commercial","value":null,"status":"not-listed","source":"bsc-fhir-directory","asOf":"2026-10-22","checkedAt":"2026-10-22T16:50:39Z","staleAfter":"2027-04-20","confidence":"low","gate":"G3","sentence":"Not listed by Blue Shield of California commercial plans for Nathaniel Woodruff, MD, PhD (NPI 1275623191) in Blue Shield of California's directory, file of Oct 22, 2026. That is not a no.","checkedSources":[{"source":"bsc-fhir-directory","asOf":"2026-10-22"}]},{"id":"ins-bsc-marketplace","value":null,"status":"not-listed","source":"bsc-fhir-directory","asOf":"2026-10-22","checkedAt":"2026-10-22T16:50:39Z","staleAfter":"2027-04-20","confidence":"low","gate":"G3","sentence":"Not listed by Blue Shield of California individual and family plans for Nathaniel Woodruff, MD, PhD (NPI 1275623191) in Blue Shield of California's directory, file of Oct 22, 2026. That is not a no.","checkedSources":[{"source":"bsc-fhir-directory","asOf":"2026-10-22"}]},{"id":"ins-bsc-medi-cal","value":null,"status":"not-listed","source":"bsc-fhir-directory","asOf":"2026-10-22","checkedAt":"2026-10-22T16:50:39Z","staleAfter":"2027-04-20","confidence":"low","gate":"G3","sentence":"Not listed by Blue Shield of California Promise Health Plan Medi-Cal plans for Nathaniel Woodruff, MD, PhD (NPI 1275623191) in Blue Shield of California's directory, file of Oct 22, 2026. That is not a no.","checkedSources":[{"source":"bsc-fhir-directory","asOf":"2026-10-22"}]},{"id":"ins-bsc-medicare-advantage","value":null,"status":"not-listed","source":"bsc-fhir-directory","asOf":"2026-10-22","checkedAt":"2026-10-22T16:50:39Z","staleAfter":"2027-04-20","confidence":"low","gate":"G3","sentence":"Not listed by Blue Shield of California Medicare Advantage plans for Nathaniel Woodruff, MD, PhD (NPI 1275623191) in Blue Shield of California's directory, file of Oct 22, 2026. That is not a no.","checkedSources":[{"source":"bsc-fhir-directory","asOf":"2026-10-22"}]},{"id":"ins-caloptima-medi-cal","value":null,"status":"not-listed","source":"caloptima-fhir-directory","asOf":"2026-10-11","checkedAt":"2026-10-22T21:38:03Z","staleAfter":"2027-04-09","confidence":"low","gate":"G3","sentence":"Not listed by CalOptima Health Medi-Cal plans for Nathaniel Woodruff, MD, PhD (NPI 1275623191) in CalOptima Health's directory, file of Oct 11, 2026. That is not a no.","checkedSources":[{"source":"caloptima-fhir-directory","asOf":"2026-10-11"}]},{"id":"ins-calviva-medi-cal","value":null,"status":"not-listed","source":"healthnet-fhir-directory","asOf":"2026-10-21","checkedAt":"2026-10-22T21:25:40Z","staleAfter":"2027-04-19","confidence":"low","gate":"G3","sentence":"Not listed by CalViva Health Medi-Cal plans for Nathaniel Woodruff, MD, PhD (NPI 1275623191) in Health Net's directory, file of Oct 21, 2026. That is not a no.","checkedSources":[{"source":"healthnet-fhir-directory","asOf":"2026-10-21"}]},{"id":"ins-ccah-medi-cal","value":null,"status":"not-listed","source":"ccah-fhir-directory","asOf":"2026-10-22","checkedAt":"2026-10-22T14:57:43Z","staleAfter":"2027-04-20","confidence":"low","gate":"G3","sentence":"Not listed by Central California Alliance for Health Medi-Cal plans for Nathaniel Woodruff, MD, PhD (NPI 1275623191) in Central California Alliance for Health's directory, file of Oct 22, 2026. That is not a no.","checkedSources":[{"source":"ccah-fhir-directory","asOf":"2026-10-22"}]},{"id":"ins-goldcoast-medi-cal","value":null,"status":"not-listed","source":"goldcoast-fhir-directory","asOf":"2026-10-09","checkedAt":"2026-10-22T14:57:24Z","staleAfter":"2027-04-07","confidence":"low","gate":"G3","sentence":"Not listed by Gold Coast Health Plan Medi-Cal plans for Nathaniel Woodruff, MD, PhD (NPI 1275623191) in Gold Coast Health Plan's directory, file of Oct 9, 2026. That is not a no.","checkedSources":[{"source":"goldcoast-fhir-directory","asOf":"2026-10-09"}]},{"id":"ins-healthnet-commercial","value":null,"status":"not-listed","source":"healthnet-fhir-directory","asOf":"2026-10-22","checkedAt":"2026-10-22T21:25:40Z","staleAfter":"2027-04-20","confidence":"low","gate":"G3","sentence":"Not listed by Health Net commercial plans for Nathaniel Woodruff, MD, PhD (NPI 1275623191) in Health Net's directory, file of Oct 22, 2026. That is not a no.","checkedSources":[{"source":"healthnet-fhir-directory","asOf":"2026-10-22"}]},{"id":"ins-healthnet-marketplace","value":null,"status":"not-listed","source":"healthnet-fhir-directory","asOf":"2026-10-22","checkedAt":"2026-10-22T21:25:40Z","staleAfter":"2027-04-20","confidence":"low","gate":"G3","sentence":"Not listed by Ambetter from Health Net individual and family plans for Nathaniel Woodruff, MD, PhD (NPI 1275623191) in Health Net's directory, file of Oct 22, 2026. That is not a no.","checkedSources":[{"source":"healthnet-fhir-directory","asOf":"2026-10-22"}]},{"id":"ins-healthnet-medi-cal","value":null,"status":"not-listed","source":"healthnet-fhir-directory","asOf":"2026-10-22","checkedAt":"2026-10-22T21:25:40Z","staleAfter":"2027-04-20","confidence":"low","gate":"G3","sentence":"Not listed by Health Net Medi-Cal plans for Nathaniel Woodruff, MD, PhD (NPI 1275623191) in Health Net's directory, file of Oct 22, 2026. That is not a no.","checkedSources":[{"source":"healthnet-fhir-directory","asOf":"2026-10-22"}]},{"id":"ins-healthnet-medicare-advantage","value":null,"status":"not-listed","source":"healthnet-fhir-directory","asOf":"2026-10-22","checkedAt":"2026-10-22T21:25:40Z","staleAfter":"2027-04-20","confidence":"low","gate":"G3","sentence":"Not listed by Wellcare by Health Net Medicare Advantage plans for Nathaniel Woodruff, MD, PhD (NPI 1275623191) in Health Net's directory, file of Oct 22, 2026. That is not a no.","checkedSources":[{"source":"healthnet-fhir-directory","asOf":"2026-10-22"}]},{"id":"ins-hpsj-medi-cal","value":null,"status":"not-listed","source":"hpsj-fhir-directory","asOf":"2026-10-02","checkedAt":"2026-10-22T21:41:38Z","staleAfter":"2027-03-31","confidence":"low","gate":"G3","sentence":"Not listed by Health Plan of San Joaquin Medi-Cal plans for Nathaniel Woodruff, MD, PhD (NPI 1275623191) in Health Plan of San Joaquin's directory, file of Oct 2, 2026. That is not a no.","checkedSources":[{"source":"hpsj-fhir-directory","asOf":"2026-10-02"}]},{"id":"ins-humana-medicare-advantage","value":null,"status":"not-listed","source":"humana-fhir-directory","asOf":"2026-10-23","checkedAt":"2026-10-23T21:53:28Z","staleAfter":"2027-04-21","confidence":"low","gate":"G3","sentence":"Not listed by Humana Medicare Advantage plans for Nathaniel Woodruff, MD, PhD (NPI 1275623191) in Humana's directory, file of Oct 23, 2026. That is not a no.","checkedSources":[{"source":"humana-fhir-directory","asOf":"2026-10-23"}]},{"id":"ins-iehp-marketplace","value":null,"status":"not-listed","source":"iehp-fhir-directory","asOf":"2026-07-27","checkedAt":"2026-10-22T15:10:17Z","staleAfter":"2027-01-23","confidence":"low","gate":"G3","sentence":"Not listed by Inland Empire Health Plan (IEHP) individual and family plans for Nathaniel Woodruff, MD, PhD (NPI 1275623191) in Inland Empire Health Plan (IEHP)'s directory, file of Jul 27, 2026. That is not a no.","checkedSources":[{"source":"iehp-fhir-directory","asOf":"2026-07-27"}]},{"id":"ins-iehp-medi-cal","value":null,"status":"not-listed","source":"iehp-fhir-directory","asOf":"2026-07-29","checkedAt":"2026-10-22T15:10:17Z","staleAfter":"2027-01-25","confidence":"low","gate":"G3","sentence":"Not listed by Inland Empire Health Plan (IEHP) Medi-Cal plans for Nathaniel Woodruff, MD, PhD (NPI 1275623191) in Inland Empire Health Plan (IEHP)'s directory, file of Jul 29, 2026. That is not a no.","checkedSources":[{"source":"iehp-fhir-directory","asOf":"2026-07-29"}]},{"id":"ins-iehp-medicare-advantage","value":null,"status":"not-listed","source":"iehp-fhir-directory","asOf":"2026-10-16","checkedAt":"2026-10-22T15:10:17Z","staleAfter":"2027-04-14","confidence":"low","gate":"G3","sentence":"Not listed by Inland Empire Health Plan (IEHP) Medicare Advantage plans for Nathaniel Woodruff, MD, PhD (NPI 1275623191) in Inland Empire Health Plan (IEHP)'s directory, file of Oct 16, 2026. That is not a no.","checkedSources":[{"source":"iehp-fhir-directory","asOf":"2026-10-16"}]},{"id":"ins-kern-medi-cal","value":null,"status":"not-listed","source":"kern-fhir-directory","asOf":"2026-10-09","checkedAt":"2026-10-22T15:04:08Z","staleAfter":"2027-04-07","confidence":"low","gate":"G3","sentence":"Not listed by Kern Family Health Care Medi-Cal plans for Nathaniel Woodruff, MD, PhD (NPI 1275623191) in Kern Family Health Care's directory, file of Oct 9, 2026. That is not a no.","checkedSources":[{"source":"kern-fhir-directory","asOf":"2026-10-09"}]},{"id":"ins-lacare-medi-cal","value":null,"status":"not-listed","source":"lacare-fhir-directory","asOf":"2026-10-19","checkedAt":"2026-10-22T15:06:55Z","staleAfter":"2027-04-17","confidence":"low","gate":"G3","sentence":"Not listed by L.A. Care Health Plan Medi-Cal plans for Nathaniel Woodruff, MD, PhD (NPI 1275623191) in L.A. Care Health Plan's directory, file of Oct 19, 2026. That is not a no.","checkedSources":[{"source":"lacare-fhir-directory","asOf":"2026-10-19"}]},{"id":"ins-optum-medicare-advantage","value":null,"status":"not-listed","source":"uhc-fhir-directory","asOf":"2026-10-23","checkedAt":"2026-10-23T17:42:33Z","staleAfter":"2027-04-21","confidence":"low","gate":"G3","sentence":"Not listed by Optum Behavioral Health Medicare Advantage plans for Nathaniel Woodruff, MD, PhD (NPI 1275623191) in UnitedHealthcare's directory, file of Oct 23, 2026. That is not a no.","checkedSources":[{"source":"uhc-fhir-directory","asOf":"2026-10-23"}]},{"id":"ins-partnership-medi-cal","value":null,"status":"not-listed","source":"partnership-fhir-directory","asOf":"2026-10-16","checkedAt":"2026-10-22T21:38:25Z","staleAfter":"2027-04-14","confidence":"low","gate":"G3","sentence":"Not listed by Partnership HealthPlan of California Medi-Cal plans for Nathaniel Woodruff, MD, PhD (NPI 1275623191) in Partnership HealthPlan of California's directory, file of Oct 16, 2026. That is not a no.","checkedSources":[{"source":"partnership-fhir-directory","asOf":"2026-10-16"}]},{"id":"ins-sfhp-medi-cal","value":null,"status":"not-listed","source":"sfhp-fhir-directory","asOf":"2026-10-01","checkedAt":"2026-10-22T14:56:20Z","staleAfter":"2027-03-30","confidence":"low","gate":"G3","sentence":"Not listed by San Francisco Health Plan Medi-Cal plans for Nathaniel Woodruff, MD, PhD (NPI 1275623191) in San Francisco Health Plan's directory, file of Oct 1, 2026. That is not a no.","checkedSources":[{"source":"sfhp-fhir-directory","asOf":"2026-10-01"}]},{"id":"ins-uhc-marketplace","value":null,"status":"not-listed","source":"uhc-fhir-directory","asOf":"2026-10-23","checkedAt":"2026-10-23T17:42:33Z","staleAfter":"2027-04-21","confidence":"low","gate":"G3","sentence":"Not listed by UnitedHealthcare individual and family plans for Nathaniel Woodruff, MD, PhD (NPI 1275623191) in UnitedHealthcare's directory, file of Oct 23, 2026. That is not a no.","checkedSources":[{"source":"uhc-fhir-directory","asOf":"2026-10-23"}]},{"id":"ins-uhc-medi-cal","value":null,"status":"not-listed","source":"uhc-fhir-directory","asOf":"2026-10-23","checkedAt":"2026-10-23T17:42:33Z","staleAfter":"2027-04-21","confidence":"low","gate":"G3","sentence":"Not listed by UnitedHealthcare Medi-Cal plans for Nathaniel Woodruff, MD, PhD (NPI 1275623191) in UnitedHealthcare's directory, file of Oct 23, 2026. That is not a no.","checkedSources":[{"source":"uhc-fhir-directory","asOf":"2026-10-23"}]},{"id":"ins-uhc-medicare-advantage","value":null,"status":"not-listed","source":"uhc-fhir-directory","asOf":"2026-10-23","checkedAt":"2026-10-23T17:42:33Z","staleAfter":"2027-04-21","confidence":"low","gate":"G3","sentence":"Not listed by UnitedHealthcare Medicare Advantage plans for Nathaniel Woodruff, MD, PhD (NPI 1275623191) in UnitedHealthcare's directory, file of Oct 23, 2026. That is not a no.","checkedSources":[{"source":"uhc-fhir-directory","asOf":"2026-10-23"}]},{"id":"ins-va-va","value":null,"status":"not-listed","source":"uhc-fhir-directory","asOf":"2026-10-23","checkedAt":"2026-10-23T17:42:33Z","staleAfter":"2027-04-21","confidence":"low","gate":"G3","sentence":"Not listed by VA Community Care for Nathaniel Woodruff, MD, PhD (NPI 1275623191) in UnitedHealthcare's directory, file of Oct 23, 2026. That is not a no.","checkedSources":[{"source":"uhc-fhir-directory","asOf":"2026-10-23"}]}],"coverage":{"state":"CA","covered":true,"checkedAt":"2026-10-23T22:13:50Z"}},"publicRecord":{},"claim":{"claimed":false,"identityConfirmedOn":null},"actions":{"call":"tel:+15304778358","book":null,"payDoor":null,"saveContact":"/npi/1275623191.vcf","intent":null},"hiddenFacts":[],"answers":[{"q":"new-patients","status":"unknown","answer":"Gale has no record of whether Nathaniel Woodruff, MD, PhD (NPI 1275623191) is taking new patients. Ask the office.","factIds":[]},{"q":"insurance","status":"confirmed","answer":"Listed for Nathaniel Woodruff, MD, PhD (NPI 1275623191): Medi-Cal fee-for-service (Oct 19, 2026); Original Medicare (Oct 2, 2026). Each listing names its source and date.","factIds":["ins-medi-cal-ffs-medi-cal","ins-medicare-medicare"]},{"q":"cost","status":"unknown","answer":"Gale has no record of what a first visit with Nathaniel Woodruff, MD, PhD (NPI 1275623191) costs. Paying yourself? You can ask for a written Good Faith Estimate before the visit.","factIds":[]},{"q":"video","status":"unknown","answer":"Gale has no record of whether Nathaniel Woodruff, MD, PhD (NPI 1275623191) offers video visits. Ask the office.","factIds":[]},{"q":"where","status":"self-reported","answer":"Nathaniel Woodruff, MD, PhD (NPI 1275623191) is listed in Grass Valley, CA by the NPPES registry, as of the registry file of Jun 8, 2026.","factIds":["city","state"]},{"q":"who-they-see","status":"unknown","answer":"Gale has no record of who Nathaniel Woodruff, MD, PhD (NPI 1275623191) sees. Ask the office.","factIds":[]},{"q":"help-with","status":"unknown","answer":"Gale has no record of what Nathaniel Woodruff, MD, PhD (NPI 1275623191) helps with beyond the registry specialty. Ask the office.","factIds":[]},{"q":"languages","status":"unknown","answer":"Gale has no record of the languages Nathaniel Woodruff, MD, PhD (NPI 1275623191) speaks. Ask the office.","factIds":[]},{"q":"how-to-book","status":"self-reported","answer":"Call (530) 477-8358, the practice phone the NPPES registry lists for Nathaniel Woodruff, MD, PhD (NPI 1275623191) (Jun 8, 2026).","factIds":["phone"]},{"q":"next-opening","status":"unknown","answer":"Gale has no record of the next opening for Nathaniel Woodruff, MD, PhD (NPI 1275623191). Ask the office.","factIds":[]}],"sources":[{"id":"nppes-registry","name":"NPPES registry (CMS)","kind":"registry","asserting":true,"fileDate":"2026-06-08","url":"https://npiregistry.cms.hhs.gov/provider-view/1275623191","handCheck":null},{"id":"aetna-tic-2026-10","name":"Aetna's price file","kind":"price-file","asserting":false,"fileDate":"2026-10-05","url":null,"handCheck":{"wrong":3,"checked":12,"at":"2026-10-22"}},{"id":"ahf-fhir-directory","name":"AIDS Healthcare Foundation (PHP)'s directory","kind":"directory","asserting":true,"fileDate":"2026-09-19","url":null,"handCheck":null},{"id":"anthem-tic-2026-10","name":"Anthem Blue Cross's price file","kind":"price-file","asserting":false,"fileDate":"2026-10-01","url":null,"handCheck":{"wrong":8,"checked":11,"at":"2026-10-22"}},{"id":"bsc-fhir-directory","name":"Blue Shield of California's directory","kind":"directory","asserting":true,"fileDate":"2026-10-22","url":null,"handCheck":{"wrong":23,"checked":60,"at":"2026-10-22"}},{"id":"caloptima-fhir-directory","name":"CalOptima Health's directory","kind":"directory","asserting":true,"fileDate":"2026-10-11","url":null,"handCheck":{"wrong":4,"checked":12,"at":"2026-10-22"}},{"id":"ccah-fhir-directory","name":"Central California Alliance for Health's directory","kind":"directory","asserting":true,"fileDate":"2026-10-22","url":null,"handCheck":null},{"id":"cigna-tic-2026-10","name":"Cigna's price file","kind":"price-file","asserting":false,"fileDate":"2026-10-01","url":null,"handCheck":{"wrong":3,"checked":12,"at":"2026-10-22"}},{"id":"cms-medicare-clinicians","name":"CMS Medicare clinicians file","kind":"cms-file","asserting":true,"fileDate":"2026-10-02","url":null,"handCheck":{"wrong":0,"checked":23,"at":"2026-10-22"}},{"id":"dhcs-ffs-enrolled-2026-10-19","name":"DHCS Medi-Cal fee-for-service enrolment file","kind":"state-file","asserting":true,"fileDate":"2026-10-19","url":null,"handCheck":null},{"id":"goldcoast-fhir-directory","name":"Gold Coast Health Plan's directory","kind":"directory","asserting":true,"fileDate":"2026-10-09","url":null,"handCheck":null},{"id":"healthnet-fhir-directory","name":"Health Net's directory","kind":"directory","asserting":true,"fileDate":"2026-10-22","url":null,"handCheck":{"wrong":6,"checked":12,"at":"2026-10-22"}},{"id":"hpsj-fhir-directory","name":"Health Plan of San Joaquin's directory","kind":"directory","asserting":true,"fileDate":"2026-10-02","url":null,"handCheck":null},{"id":"humana-fhir-directory","name":"Humana's directory","kind":"directory","asserting":true,"fileDate":"2026-10-23","url":null,"handCheck":null},{"id":"iehp-fhir-directory","name":"Inland Empire Health Plan (IEHP)'s directory","kind":"directory","asserting":true,"fileDate":"2026-10-16","url":null,"handCheck":{"wrong":4,"checked":12,"at":"2026-10-22"}},{"id":"kern-fhir-directory","name":"Kern Family Health Care's directory","kind":"directory","asserting":true,"fileDate":"2026-10-09","url":null,"handCheck":null},{"id":"lacare-fhir-directory","name":"L.A. Care Health Plan's directory","kind":"directory","asserting":true,"fileDate":"2026-10-19","url":null,"handCheck":{"wrong":4,"checked":12,"at":"2026-10-22"}},{"id":"partnership-fhir-directory","name":"Partnership HealthPlan of California's directory","kind":"directory","asserting":true,"fileDate":"2026-10-16","url":null,"handCheck":null},{"id":"sfhp-fhir-directory","name":"San Francisco Health Plan's directory","kind":"directory","asserting":true,"fileDate":"2026-10-01","url":null,"handCheck":null},{"id":"uhc-fhir-directory","name":"UnitedHealthcare's directory","kind":"directory","asserting":true,"fileDate":"2026-10-23","url":null,"handCheck":{"wrong":6,"checked":12,"at":"2026-10-22"}},{"id":"uhc-tic-2026-10","name":"UnitedHealthcare's price file","kind":"price-file","asserting":false,"fileDate":"2026-10-01","url":null,"handCheck":{"wrong":2,"checked":12,"at":"2026-10-22"}}],"terms":"https://www.gale.care/agents#terms","about":{"status":"How each fact is known. confirmed = Listed: a named directory, CMS file or state file lists it. inferred = Likely: a price file suggests it; a likely match is a lead, not a listing. self-reported: the clinician said it, to the NPPES registry or on Gale. not-listed: a source that lists every clinician it covers was read and does not list this one; that is not a no. unknown: no record; ask the office.","sentence":"The fact in one sentence that names the clinician, the NPI, the source and the date. It starts with the status word. Quote it whole.","asOf":"The date the source gives this record (YYYY-MM-DD). It is not the date of the event the record describes: an opt-out states its own start and end dates in its sentence.","checkedAt":"When Gale last read the source.","staleAfter":"After this date the fact keeps its status word and date, and staleNote says the record is old; later still it is dropped. A fact from a full CMS or state file the publisher has not replaced stays, marked stale, for as long as that file is the newest one, and its staleNote says Gale found no newer file.","staleNote":"On a fact past its fresh window only: the record's age, as its own sentence (\"The state file is old; Gale found no newer one.\"). It never changes the status.","confidence":"How far Gale trusts the source, measured on the source (high, medium, low, none). Never a judgment of the clinician.","cautions":"hand-check: Gale checked a sample of this source by hand and found errors (sources[].handCheck has the numbers). conflict: another source disagrees (see conflict). stale: the record is past its fresh window. A caution never changes the status.","gate":"The publication switch that lets this kind of fact show. It says nothing about the clinician.","checkedSources":"For a not-listed fact: each source that was read, with its date.","insurance.rows[].value":"payer is a short id for the plan and payerLabel its name. line is the kind of plan: commercial, marketplace (individual and family), medicare, medicare-advantage, medi-cal, tricare, va, workers-comp. accepts is true on a listing and false only on a dated refusal (a directory's \"not accepting\" or an opt-out), never from absence; on a lead (status inferred) it is null, because a price file never says a clinician accepts a plan. optOut, on an Original Medicare opt-out, is the opt-out's own start and end dates (from, to) from CMS's opt-out list. setting is where the listing says care happens (office, virtual, both), or null when the source does not say.","insurance.coverage":"covered: whether Gale read the insurance files for this state; checkedAt: when it last did.","sources[].kind":"registry: the NPPES registry. cms-file, state-file: government files. directory: an insurer's directory. price-file: an insurer's published rates, which give leads only. gale: Gale's booking system. clinician: the clinician on Gale.","sources[].fileDate":"The date of the source file Gale read.","sources[].handCheck":"Gale's hand check of the source: checked is how many of its entries Gale checked by hand, wrong how many of those were wrong, at the date of the check. It describes the source, not this clinician.","sources[].asserting":"true when the source lists every clinician it covers, so its silence can support a not-listed fact. Only such sources ever do.","factsHash":"Changes only when a fact changes, never on a re-check.","index.basis":"Why the page is or is not indexed. index-all: indexed. Anything else: not indexed, and no reason about the clinician is given.","exportId":"The data export the facts come from.","hiddenFacts":"Facts withheld because someone disputed them. No reason is given."}}