John Lin, M.D.
Internal Medicine Physician · South El Monte, CA
John Lin, M.D. is an internal medicine physician with a practice address in South El Monte, California, and NPI 1689602609, issued on Jun 29, 2006. Check the license (California G77035, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Lin
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G77035 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1701 Santa Anita Ave, South El Monte, CA 91733
- Phone
- (626) 350-7957
- Enumerated
- Jun 29, 2006
- Record last updated
- Jun 3, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (626) 448-0485
- Medicaid ID
- 00G770350 CA
- Medicare enrollment
- Enrolled (PECOS I20031210001131); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1701 Santa Anita Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sunanda Chatterjee, MDAnatomic Pathology & Clinical Pathology Physician1265491641
- Usha Gupta, MDAnesthesiology Physician1134151251
- Anh Mai, M.D.Emergency Medicine Physician1376706853
- Ma Myint, M.D.Anesthesiology Physician1942264585
Verify John Lin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G77035Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
143 Medicare Part D claims for 64 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen13 claims
- Cephalexin12 claims
- Donepezil Hcl12 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.
Bills Medicare through 2 group practices
- Gem Medical Group CorporationMonterey Park, CA
- Seven Star Hospital Associates IncHemet, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
3 internal medicine physician records list a practice address in South El Monte
They are 3 of the 106 NPPES records with a practice address in South El Monte, and 17,696 internal medicine physician records in California.
All 3 in South El Monte → All 17,696 in California → Every provider in South El Monte →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is John Lin, M.D.'s NPI number?
John Lin, M.D.'s National Provider Identifier (NPI) is 1689602609, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Lin, M.D. located?
The NPPES record lists a practice address at 1701 Santa Anita Ave, South El Monte, CA, 91733. Phone: (626) 350-7957. Providers update this record themselves, so call before visiting.
How can I verify John Lin, M.D.'s license?
NPPES lists California license number G77035, 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 John Lin, M.D. prescribe under Medicare Part D?
In 2024, John Lin, M.D. had 143 Medicare Part D claims for 64 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.