NPPES file of Aug 9, 2026

Aaron M. Chapman, MD

Psychiatry Physician · San Francisco, CA

Aaron M. Chapman, MD is a psychiatry physician with a practice address in San Francisco, California, and NPI 1740409069, issued on Apr 25, 2007. Check the license (California G80138, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1740409069
Name
Aaron M. Chapman
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
G80138 CA
Self-reported in NPPES; status is on the state search
Practice location
1380 Howard St, San Francisco, CA 94103
Phone
(415) 255-3418
Enumerated
Apr 25, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(415) 252-3015
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1380 Howard St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jonas AbellaSpecialist1679760938
  2. Mark AbuanOther Technician1477413722
  3. Uday Chandra Reddy AellaOther Technician1710779988
  4. Rodolfo AguilarSpecialist1508047812
  5. Norman AlemanSpecialist1083801245
  6. Luis Alvarez, PHARMDStudent in an Organized Health Care Education/Training Program1487519377

Verify Aaron M. Chapman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G80138
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Aaron M. Chapman among 8,673 psychiatry physician records in California

Aaron M. Chapman, MD 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 not. Its NPI, issued in 2007, is newer than 33% of them.

  • NPI issued2007 · 33% of these records are older, 48% newer
  • In a Medicare fileNo · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 38% of these records are
  • Record last updated2007 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Joanna Bornstein, MDSan Francisco, CA 941031235310822
  2. Anna Budayr, MDSan Francisco, CA 941031760565840
  3. Ari Etheridge, M.D.San Francisco, CA 941031356361885
  4. Michael Ghaly, MDSan Francisco, CA 941031013106897
  5. William Kulka, M.D.San Francisco, CA 941031801949664
  6. Virginia Mommsen, MDSan Francisco, CA 941031083791503
  7. David Pine, MDSan Francisco, CA 941031164442273
  8. Thomas Quirk, MDSan Francisco, CA 941031699843698

Common questions

What is Aaron M. Chapman, MD's NPI number?

Aaron M. Chapman, MD's National Provider Identifier (NPI) is 1740409069, issued on Apr 25, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Aaron M. Chapman, MD located?

The NPPES record lists a practice address at 1380 Howard St, San Francisco, CA, 94103. Phone: (415) 255-3418. Providers update this record themselves, so call before visiting.

How can I verify Aaron M. Chapman, MD's license?

NPPES lists California license number G80138, 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.

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.