William Chapman
Counselor · Oakland, CA
William Chapman is a counselor with a practice address in Oakland, California, and NPI 1922439777, issued on Dec 4, 2013. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Chapman
- Primary taxonomy
- Counselor 101Y00000X
- Practice location
- 2730 Adeline St, Oakland, CA 94607
- Phone
- (510) 446-7117
- Enumerated
- Dec 4, 2013
- Record last updated
- Dec 4, 2013 (not updated in 13 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest counselor records → All 13,723 in California → Look up another NPI →
Also registered at 2730 Adeline St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jerome Knox, IMFMarriage & Family Therapist1578686655
Verify William Chapman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William Chapman among 13,723 counselor records in California
William Chapman is one of 13,723 counselor records with a practice address in California. under 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2013, is newer than 43% of them.
- NPI issued2013 · 43% of these records are older, 53% newer
- In a Medicare fileNo · under 1% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2013 · 81% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101Y00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
764 counselor records list a practice address in Oakland
They are 764 of the 18,558 NPPES records with a practice address in Oakland, and 13,723 counselor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 13,723 in California → Every provider in Oakland → Counselor nationwide →
The 8 counselor records with the nearest ZIP codes
- Andria Carter, MSW, ASWOakland, CA 946071477698652
- George Charbak, MAOakland, CA 946071770833394
- Kaselah Crockett, M.A.Oakland, CA 946071396927927
- Pierre Harper, B.A.Oakland, CA 946071902943897
- Sharrae Hollans-EveretteOakland, CA 946071508118837
- Ciara Kimoto, IMFOakland, CA 946071275741589
- Lynitra LanzyOakland, CA 946071861779589
- Connie LeiOakland, CA 946071255541397
Common questions
What is William Chapman's NPI number?
William Chapman's National Provider Identifier (NPI) is 1922439777, issued on Dec 4, 2013. An NPI identifies a provider in billing; it is not a license.
Where is William Chapman located?
The NPPES record lists a practice address at 2730 Adeline St, Oakland, CA, 94607. Phone: (510) 446-7117. Providers update this record themselves, so call before visiting.
How can I verify William Chapman's license?
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.