Fumi Mitsuishi, M.D., M.S.
Psychiatry Physician · San Francisco, CA
Fumi Mitsuishi, M.D., M.S. is a psychiatry physician with a practice address in San Francisco, California, and NPI 1962656439, issued on Nov 11, 2008. Check the license (California A104953, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Fumi Mitsuishi
- Credential
- M.D., M.S.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A104953 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1263 Mission St, San Francisco, CA 94103
- Phone
- (415) 502-3000
- Enumerated
- Nov 11, 2008
- Record last updated
- Apr 28, 2026
- Fax
- (415) 514-6466
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 1263 Mission St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Omar AcevedoRehabilitation Practitioner1730239500
- Shirin AhmadiehStudent in an Organized Health Care Education/Training Program1295608404
- Andres Anderson, LCSWClinical Social Worker1740856459
- Nealesh AnejaSocial Worker1528613791
- Sergio ArmasClinical Social Worker1477099158
- Maia Asiano, RNCase Manager/Care Coordinator1558013441
Verify Fumi Mitsuishi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A104953Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average psychiatry physician in 2024
55 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Haloperidol Decanoate17 claims
- Abilify Maintena11 claims
- Sertraline Hcl11 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.
Fumi Mitsuishi among 8,673 psychiatry physician records in California
Fumi Mitsuishi, M.D., M.S. 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 2008, is newer than 52% of them.
- NPI issued2008 · 52% of these records are older, 43% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2026 · 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).
763 psychiatry physician records list a practice address in San Francisco
They are 763 of the 38,143 NPPES records with a practice address in San Francisco, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in San Francisco → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Joanna Bornstein, MDSan Francisco, CA 941031235310822
- Anna Budayr, MDSan Francisco, CA 941031760565840
- Aaron Chapman, MDSan Francisco, CA 941031740409069
- Ari Etheridge, M.D.San Francisco, CA 941031356361885
- Michael Ghaly, MDSan Francisco, CA 941031013106897
- William Kulka, M.D.San Francisco, CA 941031801949664
- Virginia Mommsen, MDSan Francisco, CA 941031083791503
- David Pine, MDSan Francisco, CA 941031164442273
Common questions
What is Fumi Mitsuishi, M.D., M.S.'s NPI number?
Fumi Mitsuishi, M.D., M.S.'s National Provider Identifier (NPI) is 1962656439, issued on Nov 11, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Fumi Mitsuishi, M.D., M.S. located?
The NPPES record lists a practice address at 1263 Mission St, San Francisco, CA, 94103. Phone: (415) 502-3000. Providers update this record themselves, so call before visiting.
How can I verify Fumi Mitsuishi, M.D., M.S.'s license?
NPPES lists California license number A104953, 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 Fumi Mitsuishi, M.D., M.S. prescribe under Medicare Part D?
In 2024, Fumi Mitsuishi, M.D., M.S. had 55 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions 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.