# Christopher Duh · NPI 1821716119 Clinical Social Worker · Los Angeles, CA · NPI 1821716119 Christopher Duh (NPI 1821716119) is listed in the NPPES registry with the specialty Clinical Social Worker in Los Angeles, CA, phone (213) 381-2931, as of the registry file of Jun 8, 2026. Profile: https://www.gale.care/providers/ca/los-angeles/christopher-duh-1821716119 Facts changed: 2026-10-23 · hash eeee9aefbcc1700d ## Facts - Name: Christopher Duh (NPPES registry, self-reported, 2026-06-08) {#name} - Credential: none on record (NPPES registry, not listed, which is not a no, 2026-06-08) {#credential} - Specialty: Clinical Social Worker (NPPES registry, self-reported, 2026-06-08) {#specialty} - Registry stage: as-listed (NPPES registry, self-reported, 2026-06-08) {#registry-stage} - NPI issued: 2022 (NPPES registry, listed, 2026-06-08) {#npi-issued} - Practice type: not-sole-proprietor (NPPES registry, self-reported, 2026-06-08) {#practice-type} - City: Los Angeles (NPPES registry, self-reported, 2026-06-08) {#city} - State: CA (NPPES registry, self-reported, 2026-06-08) {#state} - Phone: (213) 381-2931 (NPPES registry, self-reported, 2026-06-08) {#phone} - New patients: yes (Kaiser Permanente's directory, listed, 2026-10-22) {#new-patients} - Video visits: video (Kaiser Permanente's directory, listed, 2026-10-22) {#video} - Insurance: Listed: Blue Shield of California's directory listed Christopher Duh (NPI 1821716119) for Blue Shield of California commercial plans on Oct 22, 2026. Gale checked 60 listings in this directory by hand on Oct 22, 2026; 23 were wrong, so confirm with the office. {#ins-bsc-commercial} - Insurance: Listed: Blue Shield of California's directory listed Christopher Duh (NPI 1821716119) for Blue Shield of California individual and family plans on Oct 22, 2026. Gale checked 60 listings in this directory by hand on Oct 22, 2026; 23 were wrong, so confirm with the office. {#ins-bsc-marketplace} - Insurance: Listed: Kaiser Permanente's directory listed Christopher Duh (NPI 1821716119) for Kaiser Permanente commercial plans on Oct 22, 2026. {#ins-kaiser-commercial} - Insurance: Listed: Kaiser Permanente's directory listed Christopher Duh (NPI 1821716119) for Kaiser Permanente Medicare Advantage plans on Oct 22, 2026. {#ins-kaiser-medicare-advantage} - Insurance: Listed: Kaiser Permanente's directory listed Christopher Duh (NPI 1821716119) for Kaiser Permanente (Medi-Cal) on Oct 22, 2026. {#ins-kaiser-medi-cal} - Insurance: Listed: DHCS Medi-Cal fee-for-service enrolment file listed Christopher Duh (NPI 1821716119) for Medi-Cal fee-for-service on Oct 19, 2026. {#ins-medi-cal-ffs-medi-cal} - Insurance: Likely: Aetna's price file suggests Aetna pays Christopher Duh (NPI 1821716119) for commercial plans (file of Oct 5, 2026). That is a lead, not a directory listing. {#ins-aetna-commercial} - Insurance: Likely: Health Net's price file suggests Ambetter from Health Net pays Christopher Duh (NPI 1821716119) for individual and family plans (file of Sep 28, 2026). That is a lead, not a directory listing. {#ins-healthnet-marketplace} - Insurance: Likely: Anthem Blue Cross's price file suggests Anthem Blue Cross pays Christopher Duh (NPI 1821716119) for commercial plans (file of Oct 1, 2026). That is a lead, not a directory listing. {#ins-anthem-commercial} - Insurance: Likely: Anthem Blue Cross's price file suggests Anthem Blue Cross pays Christopher Duh (NPI 1821716119) for individual and family plans (file of Oct 1, 2026). That is a lead, not a directory listing. {#ins-anthem-marketplace} - Insurance: Likely: Anthem Blue Cross's price file suggests Anthem Blue Cross pays Christopher Duh (NPI 1821716119) for workers' compensation (file of Oct 1, 2026). That is a lead, not a directory listing. {#ins-anthem-workers-comp} - Insurance: Likely: Optum Behavioral Health (UHC)'s price file suggests Optum Behavioral Health pays Christopher Duh (NPI 1821716119) for commercial plans (file of Oct 1, 2026). That is a lead, not a directory listing. {#ins-optum-commercial} - Insurance: Not listed by AIDS Healthcare Foundation (PHP) Medi-Cal plans for Christopher Duh (NPI 1821716119) in AIDS Healthcare Foundation (PHP)'s directory, file of Sep 19, 2026. That is not a no. {#ins-ahf-medi-cal} - Insurance: Not listed by AIDS Healthcare Foundation (PHP) Medicare Advantage plans for Christopher Duh (NPI 1821716119) in AIDS Healthcare Foundation (PHP)'s directory, file of Sep 15, 2026. That is not a no. {#ins-ahf-medicare-advantage} - Insurance: Not listed by Blue Shield of California Promise Health Plan Medi-Cal plans for Christopher Duh (NPI 1821716119) in Blue Shield of California's directory, file of Oct 22, 2026. That is not a no. {#ins-bsc-medi-cal} - Insurance: Not listed by Blue Shield of California Medicare Advantage plans for Christopher Duh (NPI 1821716119) in Blue Shield of California's directory, file of Oct 22, 2026. That is not a no. {#ins-bsc-medicare-advantage} - Insurance: Not listed by CalOptima Health Medi-Cal plans for Christopher Duh (NPI 1821716119) in CalOptima Health's directory, file of Oct 11, 2026. That is not a no. {#ins-caloptima-medi-cal} - Insurance: Not listed by CalViva Health Medi-Cal plans for Christopher Duh (NPI 1821716119) in Health Net's directory, file of Oct 21, 2026. That is not a no. {#ins-calviva-medi-cal} - Insurance: Not listed by Central California Alliance for Health Medi-Cal plans for Christopher Duh (NPI 1821716119) in Central California Alliance for Health's directory, file of Oct 22, 2026. That is not a no. {#ins-ccah-medi-cal} - Insurance: Not listed by Gold Coast Health Plan Medi-Cal plans for Christopher Duh (NPI 1821716119) in Gold Coast Health Plan's directory, file of Oct 9, 2026. That is not a no. {#ins-goldcoast-medi-cal} - Insurance: Not listed by Health Net commercial plans for Christopher Duh (NPI 1821716119) in Health Net's directory, file of Oct 22, 2026. That is not a no. {#ins-healthnet-commercial} - Insurance: Not listed by Health Net Medi-Cal plans for Christopher Duh (NPI 1821716119) in Health Net's directory, file of Oct 22, 2026. That is not a no. {#ins-healthnet-medi-cal} - Insurance: Not listed by Wellcare by Health Net Medicare Advantage plans for Christopher Duh (NPI 1821716119) in Health Net's directory, file of Oct 22, 2026. That is not a no. {#ins-healthnet-medicare-advantage} - Insurance: Not listed by Health Plan of San Joaquin Medi-Cal plans for Christopher Duh (NPI 1821716119) in Health Plan of San Joaquin's directory, file of Oct 2, 2026. That is not a no. {#ins-hpsj-medi-cal} - Insurance: Not listed by Inland Empire Health Plan (IEHP) individual and family plans for Christopher Duh (NPI 1821716119) in Inland Empire Health Plan (IEHP)'s directory, file of Jul 27, 2026. That is not a no. {#ins-iehp-marketplace} - Insurance: Not listed by Inland Empire Health Plan (IEHP) Medi-Cal plans for Christopher Duh (NPI 1821716119) in Inland Empire Health Plan (IEHP)'s directory, file of Jul 29, 2026. That is not a no. {#ins-iehp-medi-cal} - Insurance: Not listed by Inland Empire Health Plan (IEHP) Medicare Advantage plans for Christopher Duh (NPI 1821716119) in Inland Empire Health Plan (IEHP)'s directory, file of Oct 16, 2026. That is not a no. {#ins-iehp-medicare-advantage} - Insurance: Not listed by Kern Family Health Care Medi-Cal plans for Christopher Duh (NPI 1821716119) in Kern Family Health Care's directory, file of Oct 9, 2026. That is not a no. {#ins-kern-medi-cal} - Insurance: Not listed by L.A. Care Health Plan Medi-Cal plans for Christopher Duh (NPI 1821716119) in L.A. Care Health Plan's directory, file of Oct 19, 2026. That is not a no. {#ins-lacare-medi-cal} - Insurance: Not listed by Original Medicare for Christopher Duh (NPI 1821716119) in CMS Medicare clinicians file, file of Oct 2, 2026. That is not a no. {#ins-medicare-medicare} - Insurance: Not listed by Optum Behavioral Health Medicare Advantage plans for Christopher Duh (NPI 1821716119) in UnitedHealthcare's directory, file of Oct 23, 2026. That is not a no. {#ins-optum-medicare-advantage} - Insurance: Not listed by Partnership HealthPlan of California Medi-Cal plans for Christopher Duh (NPI 1821716119) in Partnership HealthPlan of California's directory, file of Oct 16, 2026. That is not a no. {#ins-partnership-medi-cal} - Insurance: Not listed by San Francisco Health Plan Medi-Cal plans for Christopher Duh (NPI 1821716119) in San Francisco Health Plan's directory, file of Oct 1, 2026. That is not a no. {#ins-sfhp-medi-cal} - Insurance: Not listed by UnitedHealthcare commercial plans for Christopher Duh (NPI 1821716119) in UnitedHealthcare's directory, file of Oct 23, 2026. That is not a no. {#ins-uhc-commercial} - Insurance: Not listed by UnitedHealthcare individual and family plans for Christopher Duh (NPI 1821716119) in UnitedHealthcare's directory, file of Oct 23, 2026. That is not a no. {#ins-uhc-marketplace} - Insurance: Not listed by UnitedHealthcare Medi-Cal plans for Christopher Duh (NPI 1821716119) in UnitedHealthcare's directory, file of Oct 23, 2026. That is not a no. {#ins-uhc-medi-cal} - Insurance: Not listed by UnitedHealthcare Medicare Advantage plans for Christopher Duh (NPI 1821716119) in UnitedHealthcare's directory, file of Oct 23, 2026. That is not a no. {#ins-uhc-medicare-advantage} - Insurance: Not listed by VA Community Care for Christopher Duh (NPI 1821716119) in UnitedHealthcare's directory, file of Oct 23, 2026. That is not a no. {#ins-va-va} ## Answers - New patients (listed): Kaiser Permanente's directory listed Christopher Duh (NPI 1821716119) as taking new patients on Oct 22, 2026. - Insurance (listed): Listed for Christopher Duh (NPI 1821716119): Blue Shield of California, commercial (Oct 22, 2026); Blue Shield of California, individual and family (Oct 22, 2026); Kaiser Permanente, commercial (Oct 22, 2026); Kaiser Permanente, Medicare Advantage (Oct 22, 2026); Kaiser Permanente (Medi-Cal) (Oct 22, 2026); and 1 more on the page. Each listing names its source and date. - First-visit cost (not on record): Gale has no record of what a first visit with Christopher Duh (NPI 1821716119) costs. Paying yourself? You can ask for a written Good Faith Estimate before the visit. - Video visits (listed): Kaiser Permanente's directory listed Christopher Duh (NPI 1821716119) for video visits on Oct 22, 2026. - Where (self-reported): Christopher Duh (NPI 1821716119) is listed in Los Angeles, CA by the NPPES registry, as of the registry file of Jun 8, 2026. - Who they see (not on record): Gale has no record of who Christopher Duh (NPI 1821716119) sees. Ask the office. - What they help with (not on record): Gale has no record of what Christopher Duh (NPI 1821716119) helps with beyond the registry specialty. Ask the office. - Languages (not on record): Gale has no record of the languages Christopher Duh (NPI 1821716119) speaks. Ask the office. - How to book (self-reported): Call (213) 381-2931, the practice phone the NPPES registry lists for Christopher Duh (NPI 1821716119) (Jun 8, 2026). - Next opening (not on record): Gale has no record of the next opening for Christopher Duh (NPI 1821716119). Ask the office. ## Sources - NPPES registry (CMS): file of 2026-06-08 · https://npiregistry.cms.hhs.gov/provider-view/1821716119 - Aetna's price file: file of 2026-10-05 · Gale checked 12 leads from this price file by hand on Oct 22, 2026; 3 were wrong, so confirm with the office. - AIDS Healthcare Foundation (PHP)'s directory: file of 2026-09-19 - Anthem Blue Cross's price file: file of 2026-10-01 · Gale checked 11 leads from this price file by hand on Oct 22, 2026; 8 were wrong, so confirm with the office. - Blue Shield of California's directory: file of 2026-10-22 · Gale checked 60 listings in this directory by hand on Oct 22, 2026; 23 were wrong, so confirm with the office. - CalOptima Health's directory: file of 2026-10-11 · Gale checked 12 listings in this directory by hand on Oct 22, 2026; 4 were wrong, so confirm with the office. - Central California Alliance for Health's directory: file of 2026-10-22 - CMS Medicare clinicians file: file of 2026-10-02 · Gale checked 23 listings in this file by hand on Oct 22, 2026; none were wrong. - DHCS Medi-Cal fee-for-service enrolment file: file of 2026-10-19 - Gold Coast Health Plan's directory: file of 2026-10-09 - Health Net's directory: file of 2026-10-22 · Gale checked 12 listings in this directory by hand on Oct 22, 2026; 6 were wrong, so confirm with the office. - Health Net's price file: file of 2026-09-28 - Health Plan of San Joaquin's directory: file of 2026-10-02 - Inland Empire Health Plan (IEHP)'s directory: file of 2026-10-16 · Gale checked 12 listings in this directory by hand on Oct 22, 2026; 4 were wrong, so confirm with the office. - Kaiser Permanente's directory: file of 2026-10-22 - Kern Family Health Care's directory: file of 2026-10-09 - L.A. Care Health Plan's directory: file of 2026-10-19 · Gale checked 12 listings in this directory by hand on Oct 22, 2026; 4 were wrong, so confirm with the office. - Partnership HealthPlan of California's directory: file of 2026-10-16 - San Francisco Health Plan's directory: file of 2026-10-01 - UnitedHealthcare's directory: file of 2026-10-23 · Gale checked 12 listings in this directory by hand on Oct 22, 2026; 6 were wrong, so confirm with the office. - Optum Behavioral Health (UHC)'s price file: file of 2026-10-01 - VA's community care locator: file of 2026-10-22 ## About these facts - Status words: 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. - Dates: 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. - Hash: Changes only when a fact changes, never on a re-check. This provider is not affiliated with Gale. This listing is compiled from the NPPES public registry (CMS). Terms: https://www.gale.care/agents#terms