Registry data as of Aug 27, 2026

Edward Chan, M.D.

Internal Medicine Physician · San Francisco, CA

Edward Chan, M.D. is an internal medicine physician with a practice address in San Francisco, California, and NPI 1033155213, issued on Jun 22, 2006. Check the license (California 00G307720, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1033155213
Name
Edward Chan
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
00G307720 CA
Self-reported in NPPES; status is on the state search
Practice location
728 Pacific Ave, San Francisco, CA 94133
Phone
(415) 989-3390
Enumerated
Jun 22, 2006
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 728 Pacific Ave

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

  1. Celeste Chang, MD, FACPNephrology Physician1245633825
  2. Kenneth Chang, MDInternal Medicine Physician1609832724
  3. Jennifer Chin, MS, OTR/LOccupational Therapist1174112312
  4. Robert Choy, DPMPodiatrist1831148618
  5. Paul Chu, M.D.Family Medicine Physician1215965355
  6. William Chung, M.D.Internal Medicine Physician1831204486

Verify Edward 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 00G307720
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

53% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,303 Medicare Part D claims for 201 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 24 claims were for opioids.

  1. Edward Chan1,303
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium93 claims
  2. Tamoxifen Citrate84 claims
  3. Losartan Potassium80 claims
  4. Anastrozole77 claims
  5. Tagrisso76 claims
  6. Metformin Hcl73 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.

Industry payments in 2024: $1,380.72

46 payments, mostly food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Edward Chan$1,380.72
  2. Specialty average$2,536.66

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

One hospital or facility affiliation

  1. Chinese Hospital AssociationSan Francisco, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

1,593 internal medicine physician records list a San Francisco practice address

They are 1,593 of the 38,143 NPPES records with a San Francisco practice address, and 20,403 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 Edward Chan, M.D.'s NPI number?

Edward Chan, M.D.'s National Provider Identifier (NPI) is 1033155213, issued on Jun 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Edward Chan, M.D. located?

The NPPES record lists a practice address at 728 Pacific Ave, San Francisco, CA, 94133. Phone: (415) 989-3390. Providers update this record themselves, so call before visiting.

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

NPPES lists California license number 00G307720, 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 Edward Chan, M.D. prescribe under Medicare Part D?

In 2024, Edward Chan, M.D. had 1,303 Medicare Part D claims for 201 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.