NPPES file of Aug 9, 2026

Gary Lee Chan, M.D.

Internal Medicine Physician · San Francisco, CA

Gary Lee Chan, M.D. is an internal medicine physician with a practice address in San Francisco, California, and NPI 1699702324, issued on Jun 27, 2006. Check the license (California G34576, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1699702324
Name
Gary Lee Chan
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
G34576 CA
Self-reported in NPPES; status is on the state search
Practice location
909 Hyde St, San Francisco, CA 94109
Phone
(415) 474-7900
Enumerated
Jun 27, 2006
Record last updated
Jan 18, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(415) 474-7930
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 909 Hyde St

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

  1. Deborah Altemus, DODermatology Physician1821180993
  2. Azucena Arguelles, MDDermatology Physician1538265889
  3. Amy Bossen, M.D.Internal Medicine Physician1558371260
  4. Serana Chester, PH.D.Clinical Neuropsychologist1184984734
  5. Irene Chew, ODOptometrist1306963475
  6. Ronald Clark, M.D.Surgery Physician1477631919

Verify Gary Lee Chan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G34576
    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

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Industry payments in 2024: $247.48

2 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gary Chan$247.48
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

1,318 internal medicine physician records list a practice address in San Francisco

They are 1,318 of the 38,143 NPPES records with a practice address in San Francisco, and 17,696 internal medicine physician records in California.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is Gary Lee Chan, M.D.'s NPI number?

Gary Lee Chan, M.D.'s National Provider Identifier (NPI) is 1699702324, issued on Jun 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gary Lee Chan, M.D. located?

The NPPES record lists a practice address at 909 Hyde St, San Francisco, CA, 94109. Phone: (415) 474-7900. Providers update this record themselves, so call before visiting.

How can I verify Gary Lee Chan, M.D.'s license?

NPPES lists California license number G34576, 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. 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.