John Diep, M.D.
Family Medicine Physician · Los Angeles, CA
John Diep, M.D. is a family medicine physician with a practice address in Los Angeles, California, and NPI 1851308282, issued on Aug 1, 2006. Check the license (California A88167, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Diep
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A88167 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6000 N Figueroa St, Los Angeles, CA 90042
- Phone
- (323) 543-2531
- Enumerated
- Aug 1, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (323) 254-9026
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 6000 N Figueroa St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Olivia Dellinger, PA-CPhysician Assistant1558537159
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Verify John Diep in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A88167Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average family medicine physician in 2024
16 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
John Diep among 17,133 family medicine physician records in California
John Diep, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2007 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
829 family medicine physician records list a practice address in Los Angeles
They are 829 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Los Angeles → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jose Dalprat, D.O.Los Angeles, CA 900421013299627
- Janel Gracia, MDLos Angeles, CA 900421619591989
- Ana Hernandez Schneider, MDLos Angeles, CA 900421588770531
- Jonathan Kang, D.O.Los Angeles, CA 900421659829380
- Christopher Lau, M.D.Los Angeles, CA 900421548365968
- Maria Cynthia Lopez, M.D.Los Angeles, CA 900421205888922
- Armando Pacheco, M.D.Los Angeles, CA 900421336198605
- Christian PerezLos Angeles, CA 900421174100911
Common questions
What is John Diep, M.D.'s NPI number?
John Diep, M.D.'s National Provider Identifier (NPI) is 1851308282, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Diep, M.D. located?
The NPPES record lists a practice address at 6000 N Figueroa St, Los Angeles, CA, 90042. Phone: (323) 543-2531. Providers update this record themselves, so call before visiting.
How can I verify John Diep, M.D.'s license?
NPPES lists California license number A88167, 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 Diep, M.D. prescribe under Medicare Part D?
In 2024, John Diep, M.D. had 16 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.