NPPES file of Aug 9, 2026

David Patrick Ashley, DO, MPH, MS

Internal Medicine Physician · San Diego, CA

David Patrick Ashley, DO, MPH, MS is an internal medicine physician with a practice address in San Diego, California, and NPI 1578251328, issued on Apr 28, 2023. Check the license (California 20A23305, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1578251328
Name
David Patrick Ashley
Credential
DO, MPH, MS
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
20A23305 CA
Self-reported in NPPES; status is on the state search
Practice location
300 Fir St, San Diego, CA 92101
Phone
(858) 499-2600
Enumerated
Apr 28, 2023
Record last updated
Jul 22, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →

Also registered at 300 Fir St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Corrie Broudy, MDRheumatology Physician1558467514
  2. Grace Buenaventura, O.D.Optometrist1225047541
  3. Colleen Buono, MDEmergency Medicine Physician1467494179
  4. Ulysses Carino, M.D.Family Medicine Physician1265441596
  5. Mahshid ChehrehraziPhysical Therapist1073231510
  6. Chivano Chhieng, M.D.Family Medicine Physician1336207505

Verify David Patrick Ashley in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A23305    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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David Patrick Ashley among 17,696 internal medicine physician records in California

David Patrick Ashley, DO, MPH, MS 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 not. Its NPI, issued in 2023, is newer than 98% of them.

  • NPI issued2023 · 98% of these records are older, under 1% newer
  • In a Medicare fileNo · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2026 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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

  1. Alicia Benjamin, M.D.San Diego, CA 921011790793040
  2. John Chau, M.D.San Diego, CA 921011740375070
  3. Michael Duffy, DOSan Diego, CA 921011851399802
  4. Brij Gupta, M.D.San Diego, CA 921011174532543
  5. William Harless, M.D.San Diego, CA 921011366452823
  6. Paul Hazelbaker, DOSan Diego, CA 921011831106103
  7. Mark Jabro, M.D.San Diego, CA 921011326058330
  8. Wayne Kurisu, M.D.San Diego, CA 921011881606309

Common questions

What is David Patrick Ashley, DO, MPH, MS's NPI number?

David Patrick Ashley, DO, MPH, MS's National Provider Identifier (NPI) is 1578251328, issued on Apr 28, 2023. An NPI identifies a provider in billing; it is not a license.

Where is David Patrick Ashley, DO, MPH, MS located?

The NPPES record lists a practice address at 300 Fir St, San Diego, CA, 92101. Phone: (858) 499-2600. Providers update this record themselves, so call before visiting.

How can I verify David Patrick Ashley, DO, MPH, MS's license?

NPPES lists California license number 20A23305, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.