Sydney Elizabeth Ferris Williams, A.S.W.
Clinical Social Worker · Oakland, CA
Sydney Elizabeth Ferris Williams, A.S.W. is a clinical social worker with a practice address in Oakland, California, and NPI 1114223989, issued on Jan 26, 2011. Check the license (California ASW27532, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Sydney Elizabeth Ferris Williams
- Credential
- A.S.W.
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- ASW27532 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1800 Harrison St FL 7, Oakland, CA 94612
- Phone
- (510) 625-2856
- Enumerated
- Jan 26, 2011
- Record last updated
- Jan 11, 2022
- Fax
- (877) 738-4262
- Entity
- Type 1 · individual
Also registered at 1800 Harrison St FL 7
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sydney Elizabeth Ferris Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license ASW27532Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1,130 clinical social worker records list a practice address in Oakland
They are 1,130 of the 18,558 NPPES records with a practice address in Oakland, and 36,261 clinical social worker records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,130 in Oakland → All 36,261 in California → Every provider in Oakland →
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- Daisy Abarca, ACSWRoseville, CA1548124779
Common questions
What is Sydney Elizabeth Ferris Williams, A.S.W.'s NPI number?
Sydney Elizabeth Ferris Williams, A.S.W.'s National Provider Identifier (NPI) is 1114223989, issued on Jan 26, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Sydney Elizabeth Ferris Williams, A.S.W. located?
The NPPES record lists a practice address at 1800 Harrison St FL 7, Oakland, CA, 94612. Phone: (510) 625-2856. Providers update this record themselves, so call before visiting.
How can I verify Sydney Elizabeth Ferris Williams, A.S.W.'s license?
NPPES lists California license number ASW27532, 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. 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.