Geoffrey Chen, MD
Student in an Organized Health Care Education/Training Program · Los Angeles, CA
Geoffrey Chen, MD is a student in an organized health care education/training program with a practice address in Los Angeles, California, and NPI 1366133464, issued on May 18, 2023. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Geoffrey Chen
- Credential
- MD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 1720 E Cesar E Chavez Ave, Los Angeles, CA 90033
- Phone
- (323) 260-5810
- Enumerated
- May 18, 2023
- Record last updated
- May 18, 2023
- Fax
- (323) 881-8601
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 40,652 in California → Look up another NPI →
Also registered at 1720 E Cesar E Chavez Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Maritza Alvarado, MD PHDFamily Medicine Physician1558803999
- Antranig Andonian, DOStudent in an Organized Health Care Education/Training Program1487409983
- Austin Apramian, DOInternal Medicine Physician1598119497
Verify Geoffrey Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
29 Medicare Part D claims for 18 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D.
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.
Geoffrey Chen among 40,652 student in an organized health care education/training program records in California
Geoffrey Chen, MD is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 42% of them.
- NPI issued2023 · 42% of these records are older, 47% newer
- In a Medicare fileYes · 16% of these records are
- In the CMS Doctors and Clinicians fileNo · 6% of these records are
- Record last updated2023 · 26% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6,770 student in an organized health care education/training program records list a practice address in Los Angeles
They are 6,770 of the 69,537 NPPES records with a practice address in Los Angeles, and 40,652 student in an organized health care education/training program records in California.
All 40,652 in California → Every provider in Los Angeles → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Wipapat Apichairuk, M.D.Los Angeles, CA 900331679739601
- Nicole EllisLos Angeles, CA 900331053555995
- Maria Gonzalez, LVNLos Angeles, CA 900331588836910
- John JimenezLos Angeles, CA 900331730313388
- Aarti Kaushik, MDLos Angeles, CA 900331740486323
- Martina Kennedy, D.O.Los Angeles, CA 900331417191073
- Seran Kim, MDLos Angeles, CA 900331083897573
- Megan Kordyak, M.D.Los Angeles, CA 900331235373200
Common questions
What is Geoffrey Chen, MD's NPI number?
Geoffrey Chen, MD's National Provider Identifier (NPI) is 1366133464, issued on May 18, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Geoffrey Chen, MD located?
The NPPES record lists a practice address at 1720 E Cesar E Chavez Ave, Los Angeles, CA, 90033. Phone: (323) 260-5810. Providers update this record themselves, so call before visiting.
How can I verify Geoffrey Chen, MD's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Geoffrey Chen, MD prescribe under Medicare Part D?
In 2024, Geoffrey Chen, MD had 29 Medicare Part D claims for 18 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.