Joan D. H. Washington, L.C.S.W.
Clinical Social Worker · Antioch, CA
Joan D. H. Washington, L.C.S.W. is a clinical social worker with a practice address in Antioch, California, and NPI 1437213675, issued on Dec 21, 2006. Check the license (California LCS 15877, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joan D. H. Washington
- Credential
- L.C.S.W.
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- LCS 15877 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2213 Buchanan RD Ste 203, Antioch, CA 94509
- Phone
- (925) 779-5810
- Enumerated
- Dec 21, 2006
- Record last updated
- Jan 3, 2022
- Fax
- (925) 779-4963
- Medicare enrollment
- Enrolled (PECOS I20150714001765); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 36,261 in California → Look up another NPI →
Also registered at 2213 Buchanan RD Ste 203
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joan D. H. Washington in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license LCS 15877Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Permanente Medical Group IncAntioch, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joan D. H. Washington among 36,261 clinical social worker records in California
Joan D. H. Washington, L.C.S.W. is one of 36,261 clinical social worker records with a practice address in California. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 91% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 11% of these records are
- Graduated1989 · median 2012 among the 4,008 with a school on file
- Record last updated2022 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
45 clinical social worker records list a practice address in Antioch
They are 45 of the 2,184 NPPES records with a practice address in Antioch, and 36,261 clinical social worker records in California.
All 36,261 in California → Every provider in Antioch → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Queen Adu-Poku, LCSWAntioch, CA 945091700110657
- Karen Case, LCSWAntioch, CA 945091679622864
- Lewis Finneburgh, MSWAntioch, CA 945091881762912
- Elizabeth Fitzgerald, MSWAntioch, CA 945091407046469
- Stephen Forkins, LCSWAntioch, CA 945091346301769
- Lori Gant, LCSWAntioch, CA 945091992862668
- Patricia Gomez, LCSW, MPAAntioch, CA 945091972740413
- William Hughes, LCSWAntioch, CA 945091720155153
Common questions
What is Joan D. H. Washington, L.C.S.W.'s NPI number?
Joan D. H. Washington, L.C.S.W.'s National Provider Identifier (NPI) is 1437213675, issued on Dec 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joan D. H. Washington, L.C.S.W. located?
The NPPES record lists a practice address at 2213 Buchanan RD Ste 203, Antioch, CA, 94509. Phone: (925) 779-5810. Providers update this record themselves, so call before visiting.
How can I verify Joan D. H. Washington, L.C.S.W.'s license?
NPPES lists California license number LCS 15877, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.