NPPES file of Aug 9, 2026

David Zamora Diaz, MD

Infectious Disease Physician · Los Angeles, CA

David Zamora Diaz, MD is an infectious disease physician with a practice address in Los Angeles, California, and NPI 1396448577, issued on Mar 24, 2023. Check the license (California A207908, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1396448577
Name
David Zamora Diaz
Credential
MD
Primary taxonomy
Infectious Disease Physician 207RI0200X
License numbers
A207908 CA
125.082925 IL
Self-reported in NPPES; status is on the state search
Practice location
757 Westwood Plz, Los Angeles, CA 90095
Phone
(310) 825-8373
Enumerated
Mar 24, 2023
Record last updated
Jun 19, 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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Also registered at 757 Westwood Plz

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

  1. Gihad AbdelhadyStudent in an Organized Health Care Education/Training Program1528760956
  2. Mohamed Abdelrahim, MDStudent in an Organized Health Care Education/Training Program1699577684
  3. Ridwa AbdiStudent in an Organized Health Care Education/Training Program1093195208
  4. Fatemeh Abdollahi Mofakham, MDDiagnostic Radiology Physician1659652915
  5. Sebiha AbdullahiStudent in an Organized Health Care Education/Training Program1457938235
  6. Tatiana AbdulnourStudent in an Organized Health Care Education/Training Program1700724648

Verify David Zamora Diaz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A207908
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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80% fewer Medicare Part D claims than the average infectious disease physician in 2024

140 Medicare Part D claims for 43 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.

  1. David Zamora Diaz140
  2. Specialty average689

Most prescribed

  1. Atorvastatin Calcium12 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.

David Zamora Diaz among 1,119 infectious disease physician records in California

David Zamora Diaz, MD is one of 1,119 infectious disease 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 2023, is newer than 99% of them.

  • NPI issued2023 · 99% of these records are older, under 1% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2026 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in California

There are 1,119 infectious disease physician records in California.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Oladunni Adeyiga, MDLos Angeles, CA 900951801809751
  2. Timothy Brewer, MDLos Angeles, CA 900951174523245
  3. Judith Currier, MDLos Angeles, CA 900951508882614
  4. Milan Fiala, MDLos Angeles, CA 900951730270737
  5. Aric Gregson, MDLos Angeles, CA 900951588683007
  6. Bernard Kubak, MDLos Angeles, CA 900951831118876
  7. Michael Lovett, MDLos Angeles, CA 900951053330902
  8. Glenn Mathisen, MDLos Angeles, CA 900951376564948

Common questions

What is David Zamora Diaz, MD's NPI number?

David Zamora Diaz, MD's National Provider Identifier (NPI) is 1396448577, issued on Mar 24, 2023. An NPI identifies a provider in billing; it is not a license.

Where is David Zamora Diaz, MD located?

The NPPES record lists a practice address at 757 Westwood Plz, Los Angeles, CA, 90095. Phone: (310) 825-8373. Providers update this record themselves, so call before visiting.

How can I verify David Zamora Diaz, MD's license?

NPPES lists California license number A207908, 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 David Zamora Diaz, MD prescribe under Medicare Part D?

In 2024, David Zamora Diaz, MD had 140 Medicare Part D claims for 43 beneficiaries; the average among infectious disease physician prescribers was 689. 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.