Jennifer Chen, MD
Internal Medicine Physician · San Gabriel, CA
Jennifer Chen, MD is an internal medicine physician with a practice address in San Gabriel, California, and NPI 1548335516, issued on Nov 22, 2006. Check the license (California G74403, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jennifer Chen
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G74403 CA
Self-reported in NPPES; status is on the state search - Practice location
- 416 W Las Tunas Dr Ste 303, San Gabriel, CA 91776
- Phone
- (626) 571-0111
- Enumerated
- Nov 22, 2006
- Record last updated
- Apr 22, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (626) 571-5520
- Medicaid ID
- OG7440300 CA
- Medicare enrollment
- Enrolled (PECOS I20101113000100); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 1989
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Jennifer Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G74403Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
307 Medicare Part D claims for 26 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Alendronate Sodium35 claims
- Atorvastatin Calcium34 claims
- Amlodipine Besylate27 claims
- Jardiance21 claims
- Losartan Potassium17 claims
- Simvastatin17 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: $18.83
1 payment: food and beverage; the largest payer was Novo Nordisk 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Jennifer Chen among 17,696 internal medicine physician records in California
Jennifer Chen, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1989 · median 2004 among the 11,065 with a school on file
- Record last updated2020 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 internal medicine physician records list a practice address in San Gabriel
They are 24 of the 762 NPPES records with a practice address in San Gabriel, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Gabriel → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kenneth Chan, M.D.San Gabriel, CA 917761861422370
- Michelle Chan, M.D.San Gabriel, CA 917761043326283
- Araceli Chanbonpin, M.D.San Gabriel, CA 917761962572909
- Le-Young Lee, MDSan Gabriel, CA 917761861417586
- Su Lee, M.D.San Gabriel, CA 917761871510370
- Charles Lin, MDSan Gabriel, CA 917761982719225
- Garry Pratt, MDSan Gabriel, CA 917761679592281
- Etema Shilyansky, M.D.San Gabriel, CA 917761740375088
Common questions
What is Jennifer Chen, MD's NPI number?
Jennifer Chen, MD's National Provider Identifier (NPI) is 1548335516, issued on Nov 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Chen, MD located?
The NPPES record lists a practice address at 416 W Las Tunas Dr Ste 303, San Gabriel, CA, 91776. Phone: (626) 571-0111. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Chen, MD's license?
NPPES lists California license number G74403, 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 Jennifer Chen, MD prescribe under Medicare Part D?
In 2024, Jennifer Chen, MD had 307 Medicare Part D claims for 26 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.