{"schema":"gale.providerFacts/1","npi":"1336227420","url":"https://www.gale.care/providers/ca/martinez/david-besley-md-1336227420","factsUrl":"https://www.gale.care/npi/1336227420.json","markdownUrl":"https://www.gale.care/npi/1336227420.md","generatedAt":"2026-11-03T03:20:58.483Z","exportId":"elig-ca-20261023T221350Z","factsHash":"dfc50d6a60da2f36","factsChangedAt":"2026-10-22T00:00:00.000Z","index":{"robots":"index","basis":"index-all"},"summary":"David Besley, MD (NPI 1336227420) is listed in the NPPES registry with the specialty Internal Medicine Physician in Martinez, CA, phone (925) 372-1000, as of the registry file of Jun 8, 2026.","identity":{"name":{"id":"name","value":"David Besley","status":"self-reported","source":"nppes-registry","asOf":"2026-06-08","checkedAt":null,"staleAfter":null,"confidence":"high","gate":"G0","sentence":"The NPPES registry lists David Besley under NPI 1336227420, as of the registry file of Jun 8, 2026."},"credential":{"id":"credential","value":"MD","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 for David Besley, MD (NPI 1336227420), as of the registry file of Jun 8, 2026."},"specialty":{"id":"specialty","value":"Internal Medicine Physician","status":"self-reported","source":"nppes-registry","asOf":"2026-06-08","checkedAt":null,"staleAfter":null,"confidence":"high","gate":"G0","sentence":"The NPPES registry lists David Besley, MD (NPI 1336227420) under the specialty Internal Medicine 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 David Besley, MD (NPI 1336227420) 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 1336227420 (David Besley, MD) issued in 2006, as of the registry file of Jun 8, 2026."},"practiceType":{"id":"practice-type","value":"not-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 David Besley, MD (NPI 1336227420) as not a sole proprietor, as of the registry file of Jun 8, 2026."}},"location":{"city":{"id":"city","value":"Martinez","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 Martinez for David Besley, MD (NPI 1336227420), 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 David Besley, MD (NPI 1336227420), as of the registry file of Jun 8, 2026."}},"contact":{"phone":{"id":"phone","value":"(925) 372-1000","status":"self-reported","source":"nppes-registry","asOf":"2026-06-08","checkedAt":null,"staleAfter":null,"confidence":"high","gate":"G0","sentence":"The NPPES registry lists (925) 372-1000 as the practice phone for David Besley, MD (NPI 1336227420), as of the registry file of Jun 8, 2026."}},"care":{},"insurance":{"rows":[{"id":"ins-not-listed-ahf-fhir-directory","value":null,"status":"not-listed","source":"ahf-fhir-directory","asOf":"2026-09-19","checkedAt":"2026-10-23T22:13:50Z","staleAfter":"2027-03-18","confidence":"none","gate":"G3","sentence":"Not listed by AIDS Healthcare Foundation (PHP) for David Besley, MD (NPI 1336227420) 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-not-listed-bsc-fhir-directory","value":null,"status":"not-listed","source":"bsc-fhir-directory","asOf":"2026-10-22","checkedAt":"2026-10-23T22:13:50Z","staleAfter":"2027-04-20","confidence":"none","gate":"G3","sentence":"Not listed by Blue Shield of California for David Besley, MD (NPI 1336227420) 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-not-listed-caloptima-fhir-directory","value":null,"status":"not-listed","source":"caloptima-fhir-directory","asOf":"2026-10-11","checkedAt":"2026-10-23T22:13:50Z","staleAfter":"2027-04-09","confidence":"none","gate":"G3","sentence":"Not listed by CalOptima Health for David Besley, MD (NPI 1336227420) 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-not-listed-ccah-fhir-directory","value":null,"status":"not-listed","source":"ccah-fhir-directory","asOf":"2026-10-22","checkedAt":"2026-10-23T22:13:50Z","staleAfter":"2027-04-20","confidence":"none","gate":"G3","sentence":"Not listed by Central California Alliance for Health for David Besley, MD (NPI 1336227420) 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-not-listed-cms-medicare-clinicians","value":null,"status":"not-listed","source":"cms-medicare-clinicians","asOf":"2026-10-02","checkedAt":"2026-10-23T22:13:50Z","staleAfter":"2027-01-30","confidence":"none","gate":"G3","sentence":"Not listed by Original Medicare for David Besley, MD (NPI 1336227420) in CMS Medicare clinicians file, file of Oct 2, 2026. That is not a no.","checkedSources":[{"source":"cms-medicare-clinicians","asOf":"2026-10-02"}]},{"id":"ins-not-listed-dhcs-ffs-enrolled-2026-10-19","value":null,"status":"not-listed","source":"dhcs-ffs-enrolled-2026-10-19","asOf":"2026-10-19","checkedAt":"2026-10-23T22:13:50Z","staleAfter":"2027-02-16","confidence":"none","gate":"G3","sentence":"Not listed by Medi-Cal fee-for-service for David Besley, MD (NPI 1336227420) in DHCS Medi-Cal fee-for-service enrolment file, file of Oct 19, 2026. That is not a no.","checkedSources":[{"source":"dhcs-ffs-enrolled-2026-10-19","asOf":"2026-10-19"}]},{"id":"ins-not-listed-goldcoast-fhir-directory","value":null,"status":"not-listed","source":"goldcoast-fhir-directory","asOf":"2026-10-09","checkedAt":"2026-10-23T22:13:50Z","staleAfter":"2027-04-07","confidence":"none","gate":"G3","sentence":"Not listed by Gold Coast Health Plan for David Besley, MD (NPI 1336227420) 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-not-listed-healthnet-fhir-directory","value":null,"status":"not-listed","source":"healthnet-fhir-directory","asOf":"2026-10-22","checkedAt":"2026-10-23T22:13:50Z","staleAfter":"2027-04-20","confidence":"none","gate":"G3","sentence":"Not listed by Health Net for David Besley, MD (NPI 1336227420) 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-not-listed-hpsj-fhir-directory","value":null,"status":"not-listed","source":"hpsj-fhir-directory","asOf":"2026-10-02","checkedAt":"2026-10-23T22:13:50Z","staleAfter":"2027-03-31","confidence":"none","gate":"G3","sentence":"Not listed by Health Plan of San Joaquin for David Besley, MD (NPI 1336227420) 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-not-listed-iehp-fhir-directory","value":null,"status":"not-listed","source":"iehp-fhir-directory","asOf":"2026-10-16","checkedAt":"2026-10-23T22:13:50Z","staleAfter":"2027-04-14","confidence":"none","gate":"G3","sentence":"Not listed by Inland Empire Health Plan (IEHP) for David Besley, MD (NPI 1336227420) 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-not-listed-kern-fhir-directory","value":null,"status":"not-listed","source":"kern-fhir-directory","asOf":"2026-10-09","checkedAt":"2026-10-23T22:13:50Z","staleAfter":"2027-04-07","confidence":"none","gate":"G3","sentence":"Not listed by Kern Family Health Care for David Besley, MD (NPI 1336227420) 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-not-listed-lacare-fhir-directory","value":null,"status":"not-listed","source":"lacare-fhir-directory","asOf":"2026-10-19","checkedAt":"2026-10-23T22:13:50Z","staleAfter":"2027-04-17","confidence":"none","gate":"G3","sentence":"Not listed by L.A. Care Health Plan for David Besley, MD (NPI 1336227420) 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-not-listed-partnership-fhir-directory","value":null,"status":"not-listed","source":"partnership-fhir-directory","asOf":"2026-10-16","checkedAt":"2026-10-23T22:13:50Z","staleAfter":"2027-04-14","confidence":"none","gate":"G3","sentence":"Not listed by Partnership HealthPlan of California for David Besley, MD (NPI 1336227420) 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-not-listed-sfhp-fhir-directory","value":null,"status":"not-listed","source":"sfhp-fhir-directory","asOf":"2026-10-01","checkedAt":"2026-10-23T22:13:50Z","staleAfter":"2027-03-30","confidence":"none","gate":"G3","sentence":"Not listed by San Francisco Health Plan for David Besley, MD (NPI 1336227420) 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-not-listed-va-ccn-vagov-locator-2026-10","value":null,"status":"not-listed","source":"va-ccn-vagov-locator-2026-10","asOf":"2026-10-22","checkedAt":"2026-10-23T22:13:50Z","staleAfter":"2027-04-20","confidence":"none","gate":"G3","sentence":"Not listed by VA Community Care for David Besley, MD (NPI 1336227420) in VA's community care locator, file of Oct 22, 2026. That is not a no.","checkedSources":[{"source":"va-ccn-vagov-locator-2026-10","asOf":"2026-10-22"}]}],"coverage":{"state":"CA","covered":true,"checkedAt":"2026-10-23T22:13:50Z"}},"publicRecord":{},"claim":{"claimed":false,"identityConfirmedOn":null},"actions":{"call":"tel:+19253721000","book":null,"payDoor":null,"saveContact":"/npi/1336227420.vcf","intent":null},"hiddenFacts":[],"answers":[{"q":"new-patients","status":"unknown","answer":"Gale has no record of whether David Besley, MD (NPI 1336227420) is taking new patients. Ask the office.","factIds":[]},{"q":"insurance","status":"not-listed","answer":"Not listed by AIDS Healthcare Foundation (PHP), Blue Shield of California, CalOptima Health, Central California Alliance for Health, Gold Coast Health Plan, Health Net, Health Plan of San Joaquin, Inland Empire Health Plan (IEHP), Kern Family Health Care, L.A. Care Health Plan, Medi-Cal fee-for-service, Original Medicare, Partnership HealthPlan of California, San Francisco Health Plan or VA Community Care for David Besley, MD (NPI 1336227420), in the files Gale read for California on Oct 23, 2026. That is not a no. Ask the office.","factIds":["ins-not-listed-ahf-fhir-directory","ins-not-listed-bsc-fhir-directory","ins-not-listed-caloptima-fhir-directory","ins-not-listed-ccah-fhir-directory","ins-not-listed-cms-medicare-clinicians","ins-not-listed-dhcs-ffs-enrolled-2026-10-19","ins-not-listed-goldcoast-fhir-directory","ins-not-listed-healthnet-fhir-directory","ins-not-listed-hpsj-fhir-directory","ins-not-listed-iehp-fhir-directory","ins-not-listed-kern-fhir-directory","ins-not-listed-lacare-fhir-directory","ins-not-listed-partnership-fhir-directory","ins-not-listed-sfhp-fhir-directory","ins-not-listed-va-ccn-vagov-locator-2026-10"]},{"q":"cost","status":"unknown","answer":"Gale has no record of what a first visit with David Besley, MD (NPI 1336227420) 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 David Besley, MD (NPI 1336227420) offers video visits. Ask the office.","factIds":[]},{"q":"where","status":"self-reported","answer":"David Besley, MD (NPI 1336227420) is listed in Martinez, 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 David Besley, MD (NPI 1336227420) sees. Ask the office.","factIds":[]},{"q":"help-with","status":"unknown","answer":"Gale has no record of what David Besley, MD (NPI 1336227420) helps with beyond the registry specialty. Ask the office.","factIds":[]},{"q":"languages","status":"unknown","answer":"Gale has no record of the languages David Besley, MD (NPI 1336227420) speaks. Ask the office.","factIds":[]},{"q":"how-to-book","status":"self-reported","answer":"Call (925) 372-1000, the practice phone the NPPES registry lists for David Besley, MD (NPI 1336227420) (Jun 8, 2026).","factIds":["phone"]},{"q":"next-opening","status":"unknown","answer":"Gale has no record of the next opening for David Besley, MD (NPI 1336227420). 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/1336227420","handCheck":null},{"id":"ahf-fhir-directory","name":"AIDS Healthcare Foundation (PHP)'s directory","kind":"directory","asserting":true,"fileDate":"2026-09-19","url":null,"handCheck":null},{"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":"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":"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":"va-ccn-vagov-locator-2026-10","name":"VA's community care locator","kind":"directory","asserting":true,"fileDate":"2026-10-22","url":null,"handCheck":null}],"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."}}