NPPES file of Aug 9, 2026

William Carter, M.D.

Emergency Medicine Physician · San Diego, CA

William Carter, M.D. is an emergency medicine physician with a practice address in San Diego, California, and NPI 1457329062, issued on Mar 9, 2006. Check the license (California A78301, 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
1457329062
Name
William Carter
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
A78301 CA
Self-reported in NPPES; status is on the state search
Practice location
7901 Frost St, San Diego, CA 92123
Phone
(619) 541-3400
Enumerated
Mar 9, 2006
Record last updated
Jul 13, 2026
Fax
(619) 285-5999
Medicaid ID
00A783010 CA
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.
Download card Updates feed

8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →

Also registered at 7901 Frost St

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

  1. Aileen Afshar, MDInternal Medicine Physician1134689946
  2. Saad Alkhider, MDInternal Medicine Physician1447712062
  3. Mustafa Alwash, M.DHospitalist Physician1679936439
  4. Alexandra Anjier, MDEmergency Medicine Physician1467087510
  5. Anna Astashchanka, MDPulmonary Disease Physician1821594359
  6. Amir Bahreman, M.D.Internal Medicine Physician1124249388

Verify William Carter in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A78301    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

William Carter among 7,751 emergency medicine physician records in California

William Carter, M.D. is one of 7,751 emergency 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 not. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 60% newer
  • In a Medicare fileNo · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% 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 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in California

There are 7,751 emergency medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 7,751 in California → Every provider in San Diego → Emergency Medicine Physician nationwide →

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Joseph Bellezzo, M.D.San Diego, CA 921231760450340
  2. Delbert Clark, D.O.San Diego, CA 921231194799593
  3. Heather Conrad, M.D.San Diego, CA 921231205813409
  4. Andrew Desjardins, M.D.San Diego, CA 921231396713103
  5. William Fornaciari, M.D.San Diego, CA 921231083682546
  6. Lolie Fromm, M.D.San Diego, CA 921231457329096
  7. Arthur Gruen, M.D.San Diego, CA 921231376511303
  8. Christopher Ho, M.D.San Diego, CA 921231821066457

Common questions

What is William Carter, M.D.'s NPI number?

William Carter, M.D.'s National Provider Identifier (NPI) is 1457329062, issued on Mar 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Carter, M.D. located?

The NPPES record lists a practice address at 7901 Frost St, San Diego, CA, 92123. Phone: (619) 541-3400. Providers update this record themselves, so call before visiting.

How can I verify William Carter, M.D.'s license?

NPPES lists California license number A78301, 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.