John Clayton Fenwick, LCSW
Clinical Social Worker · San Francisco, CA
John Clayton Fenwick, LCSW is a clinical social worker with a practice address in San Francisco, California, and NPI 1720332448, issued on Nov 2, 2012. Check the license (California LCS15850, 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
- John Clayton Fenwick
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- LCS15850 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1757 Waller St, San Francisco, CA 94117
- Phone
- (415) 387-3684
- Enumerated
- Nov 2, 2012
- Record last updated
- Mar 13, 2013 (not updated in 13 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 36,261 in California → Look up another NPI →
Also registered at 1757 Waller St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nikki BanifatemiDay Training/Habilitation Specialist1023993151
- Karen BlancoSocial Worker1013457555
- Jacqueline Bloom, LCSW, PH.D.Clinical Social Worker1992020374
- Rebecca ChaoMarriage & Family Therapist1073832424
- Melissa DangCounselor1932489556
- Charles DwyerCommunity Health Worker1902300601
Verify John Clayton Fenwick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license LCS15850Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Clayton Fenwick among 36,261 clinical social worker records in California
John Clayton Fenwick, LCSW 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 not. Its NPI, issued in 2012, is newer than 38% of them.
- NPI issued2012 · 38% of these records are older, 58% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileNo · 11% of these records are
- Record last updated2013 · 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).
1,358 clinical social worker records list a practice address in San Francisco
They are 1,358 of the 38,143 NPPES records with a practice address in San Francisco, 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 36,261 in California → Every provider in San Francisco → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Bernard Berger, MSWSan Francisco, CA 941171679629166
- Jacqueline Bloom, LCSW, PH.D.San Francisco, CA 941171992020374
- Rik Isensee, LCSWSan Francisco, CA 941171710102512
- Kamilah JonesSan Francisco, CA 941171447441183
- Carolyn Maloney, LCSWSan Francisco, CA 941171053486316
- Juana Marquez, MSW INTERNSan Francisco, CA 941171598099053
- Sherna Perez, LCSWSan Francisco, CA 941171639302342
- Deborah SamakeSan Francisco, CA 941171376737205
Common questions
What is John Clayton Fenwick, LCSW's NPI number?
John Clayton Fenwick, LCSW's National Provider Identifier (NPI) is 1720332448, issued on Nov 2, 2012. An NPI identifies a provider in billing; it is not a license.
Where is John Clayton Fenwick, LCSW located?
The NPPES record lists a practice address at 1757 Waller St, San Francisco, CA, 94117. Phone: (415) 387-3684. Providers update this record themselves, so call before visiting.
How can I verify John Clayton Fenwick, LCSW's license?
NPPES lists California license number LCS15850, 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.