Andy Chen, MD
Internal Medicine Physician · Rosemead, CA
Andy Chen, MD is an internal medicine physician with a practice address in Rosemead, California, and NPI 1831153659, issued on Apr 17, 2006. Check the license (California A64741, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Andy Chen
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A64741 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8399 Garvey Ave, Rosemead, CA 91770
- Phone
- (888) 530-4415
- Enumerated
- Apr 17, 2006
- Record last updated
- Jan 13, 2024
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 8399 Garvey Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimberly Chen, DO, MPHGeriatric Medicine (Family Medicine) Physician1184116766
- Edwin Escueta, MSN, FNP-CNurse Practitioner1851702435
- Andrew Hua, DPTPhysical Therapist1336027473
- Dosun Kim, NURSE PRACTITIONERAcute Care Nurse Practitioner1508889064
- Sarah Kwon, OTR/LOccupational Therapist1881572931
- Xinping Park, DOFamily Medicine Physician1942878947
Verify Andy Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A64741Check 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
309 Medicare Part D claims for 35 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium23 claims
- Albuterol Sulfate Hfa12 claims
- Gabapentin12 claims
- Omeprazole12 claims
- Losartan Potassium11 claims
- Pregabalin11 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.
Andy Chen among 17,696 internal medicine physician records in California
Andy 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 fileNo · 63% of these records are
- Record last updated2024 · 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).
14 internal medicine physician records list a practice address in Rosemead
They are 14 of the 839 NPPES records with a practice address in Rosemead, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Rosemead → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kelvin Chen, MDRosemead, CA 917701225387137
- Josephine Choa, M.D.Rosemead, CA 917701356384408
- Han Duong, M.D.& D.O.Rosemead, CA 917701013070234
- Susan Heller, M.D.Rosemead, CA 917701720251929
- Harold Hsu, M.D.Rosemead, CA 917701770508111
- Son Le, M.D.Rosemead, CA 917701942290762
- Tam Le, M.DRosemead, CA 917701154480077
- Hong Liang, M.D.Rosemead, CA 917701598784340
Common questions
What is Andy Chen, MD's NPI number?
Andy Chen, MD's National Provider Identifier (NPI) is 1831153659, issued on Apr 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Andy Chen, MD located?
The NPPES record lists a practice address at 8399 Garvey Ave, Rosemead, CA, 91770. Phone: (888) 530-4415. Providers update this record themselves, so call before visiting.
How can I verify Andy Chen, MD's license?
NPPES lists California license number A64741, 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 Andy Chen, MD prescribe under Medicare Part D?
In 2024, Andy Chen, MD had 309 Medicare Part D claims for 35 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.