Kevin Diep, DO
Internal Medicine Physician · San Diego, CA
Kevin Diep, DO is an internal medicine physician with a practice address in San Diego, California, and NPI 1083117865, issued on Mar 17, 2018. Check the license (California 20A17657, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kevin Diep
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A17657 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4077 Fifth Ave, San Diego, CA 92103
- Phone
- (619) 260-7125
- Enumerated
- Mar 17, 2018
- Record last updated
- Aug 12, 2025
- Medicare enrollment
- Enrolled (PECOS I20210713003580); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 4077 Fifth Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kevin Diep in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A17657Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
177 Medicare Part D claims for 72 beneficiaries, against an average of 3,176 among the 108,855 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.
Bills Medicare through one group practice
- Scripps HealthLa Jolla, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kevin Diep among 17,696 internal medicine physician records in California
Kevin Diep, DO 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 2018, is newer than 84% of them.
- NPI issued2018 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2018 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 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).
961 internal medicine physician records list a practice address in San Diego
They are 961 of the 52,937 NPPES records with a practice address in San Diego, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Diego → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Hamid Amjadi, DOSan Diego, CA 921031700861333
- Donald Brandon, M.D.San Diego, CA 921031740272467
- Daniel Bressler, M.D.San Diego, CA 921031700887726
- Eric Dahms, M.D.San Diego, CA 921031306808464
- Janette Gray, M.D.San Diego, CA 921031295721876
- San Hsieh, MDSan Diego, CA 921031851388847
- Arthur Kingsbury, M.D.San Diego, CA 921031144216284
- Timothy O'Neill, M.D.San Diego, CA 921031831172295
Common questions
What is Kevin Diep, DO's NPI number?
Kevin Diep, DO's National Provider Identifier (NPI) is 1083117865, issued on Mar 17, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Kevin Diep, DO located?
The NPPES record lists a practice address at 4077 Fifth Ave, San Diego, CA, 92103. Phone: (619) 260-7125. Providers update this record themselves, so call before visiting.
How can I verify Kevin Diep, DO's license?
NPPES lists California license number 20A17657, 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 Kevin Diep, DO prescribe under Medicare Part D?
In 2024, Kevin Diep, DO had 177 Medicare Part D claims for 72 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.