John William Fenton, M.D.
Psychiatry Physician · San Leandro, CA
John William Fenton, M.D. is a psychiatry physician with a practice address in San Leandro, California, and NPI 1154478550, issued on Jan 5, 2007. Check the license (California A96589, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John William Fenton
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A96589 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2060 Fairmont Dr, San Leandro, CA 94578
- Phone
- (510) 346-1446
- Enumerated
- Jan 5, 2007
- Record last updated
- Aug 2, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120202000788); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 2060 Fairmont Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Shabeg Gondara, M.DPsychiatry Physician1912331489
- Rupinder Kaur, MDPsychiatry Physician1033356399
- Nandan Kumar, MDGeriatric Psychiatry Physician1558469965
Verify John William Fenton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A96589Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average psychiatry physician in 2024
106 Medicare Part D claims for 26 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 91 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Alameda Health SystemCastro Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John William Fenton among 8,673 psychiatry physician records in California
John William Fenton, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 33% of them.
- NPI issued2007 · 33% of these records are older, 48% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2002 · median 2005 among the 3,295 with a school on file
- Record last updated2012 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in San Leandro → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Lorna Bland, MDSan Leandro, CA 945781124079686
- Suzanne Bruch, M.D.San Leandro, CA 945781215050190
- Alan Cohen, MDSan Leandro, CA 945781538139860
- Dina Frid, M.D.San Leandro, CA 945781134253594
- Sukhi Johal, MDSan Leandro, CA 945781417158981
- Peter Lavalle, M.D.San Leandro, CA 945781114907995
- Joshua Niclas, M.D.San Leandro, CA 945781013063999
- Lawrence Novis, M.D.San Leandro, CA 945781316018096
Common questions
What is John William Fenton, M.D.'s NPI number?
John William Fenton, M.D.'s National Provider Identifier (NPI) is 1154478550, issued on Jan 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John William Fenton, M.D. located?
The NPPES record lists a practice address at 2060 Fairmont Dr, San Leandro, CA, 94578. Phone: (510) 346-1446. Providers update this record themselves, so call before visiting.
How can I verify John William Fenton, M.D.'s license?
NPPES lists California license number A96589, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John William Fenton, M.D. prescribe under Medicare Part D?
In 2024, John William Fenton, M.D. had 106 Medicare Part D claims for 26 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is John William Fenton, M.D.'s MIPS final score?
The 2023 MIPS final score is 91 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.