Registry data as of Aug 27, 2026

Kenneth Chan, M.D.

Internal Medicine Physician · San Gabriel, CA

Kenneth Chan, M.D. is an internal medicine physician with a practice address in San Gabriel, California, and NPI 1861422370, issued on Jul 3, 2006. Check the license (California G69784, 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
1861422370
Name
Kenneth Chan
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
G69784 CA
Self-reported in NPPES; status is on the state search
Practice location
207 S Santa Anita Ave, San Gabriel, CA 91776
Phone
(626) 943-3229
Enumerated
Jul 3, 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 207 S Santa Anita Ave

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

  1. Alisara Ateerat, MSGenetic Counselor (M.S.)1396029849
  2. Yu-Luen Hsu, M.D.Allergy & Immunology Physician1720054000
  3. David Kim, M.D.Obstetrics & Gynecology Physician1407810625
  4. Richard Kratz, MD MPHOphthalmology Physician1811988496
  5. Michael Lin, MDEndocrinology, Diabetes & Metabolism Physician1285661819
  6. Garry Pratt, MDInternal Medicine Physician1679592281

Verify Kenneth 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 G69784
    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 →

35% more Medicare Part D claims than the average internal medicine physician in 2024

3,747 Medicare Part D claims for 538 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Kenneth Chan3,747
  2. Specialty average2,785

Most prescribed

  1. Losartan Potassium343 claims
  2. Atorvastatin Calcium301 claims
  3. Amlodipine Besylate288 claims
  4. Metformin Hcl192 claims
  5. Nifedipine Er136 claims
  6. Levothyroxine Sodium124 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: $886.44

34 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. Kenneth Chan$886.44
  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. Garfield Health CenterMonterey Park, 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.

27 internal medicine physician records list a San Gabriel practice address

They are 27 of the 762 NPPES records with a San Gabriel 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 Kenneth Chan, M.D.'s NPI number?

Kenneth Chan, M.D.'s National Provider Identifier (NPI) is 1861422370, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kenneth Chan, M.D. located?

The NPPES record lists a practice address at 207 S Santa Anita Ave, San Gabriel, CA, 91776. Phone: (626) 943-3229. Providers update this record themselves, so call before visiting.

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

NPPES lists California license number G69784, 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 Kenneth Chan, M.D. prescribe under Medicare Part D?

In 2024, Kenneth Chan, M.D. had 3,747 Medicare Part D claims for 538 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.