NPPES file of Aug 9, 2026

Martin Carr, M.D.

Gastroenterology Physician · Fullerton, CA

Martin Carr, M.D. is a gastroenterology physician with a practice address in Fullerton, California, and NPI 1326034265, issued on Sep 26, 2005. Check the license (California G59592, 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
1326034265
Name
Martin Carr
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
G59592 CA
Self-reported in NPPES; status is on the state search
Practice location
1837 Sunny Crest Dr, Fullerton, CA 92835
Phone
(714) 446-5831
Enumerated
Sep 26, 2005
Record last updated
Oct 20, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(714) 446-7910
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 gastroenterology physician records → All 2,140 in California → Look up another NPI →

Also registered at 1837 Sunny Crest Dr

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

  1. Maica Javien, NP-CFamily Nurse Practitioner1255086443
  2. Patrick Koo, MDGastroenterology Physician1801152772
  3. Thu Le, FNPFamily Nurse Practitioner1033698915
  4. Erica Lee, NPFamily Nurse Practitioner1013506740
  5. Sajen Mathews, MDGastroenterology Physician1326048323
  6. Jill Olmstead, N.P.Nurse Practitioner1740276732

Verify Martin Carr in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G59592    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.

Industry payments in 2024: $30.02

1 payment: food and beverage; the largest payer was Gilead Sciences, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Martin Carr$30.02
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Martin Carr among 2,140 gastroenterology physician records in California

Martin Carr, M.D. is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 93% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 72% of these records are
  • Record last updated2021 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in California

There are 2,140 gastroenterology physician records in California.

All 2,140 in California → Every provider in Fullerton → Gastroenterology Physician nationwide →

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Patrick Koo, MDFullerton, CA 928351801152772
  2. Sajen Mathews, MDFullerton, CA 928351326048323
  3. Yeeshun Miao, M.D.Fullerton, CA 928351518953983
  4. Kumkum Patel, M.D., MPHFullerton, CA 928351003178138
  5. Vijay Prabhakar, M.D.Fullerton, CA 928351932593167
  6. Scott Sainburg, M.D.Fullerton, CA 928351184610552
  7. Eugene Yoon, M.D.Fullerton, CA 928351861618449
  8. Richard McGuire, M.D.Fullerton, CA 928321437196730

Common questions

What is Martin Carr, M.D.'s NPI number?

Martin Carr, M.D.'s National Provider Identifier (NPI) is 1326034265, issued on Sep 26, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Martin Carr, M.D. located?

The NPPES record lists a practice address at 1837 Sunny Crest Dr, Fullerton, CA, 92835. Phone: (714) 446-5831. Providers update this record themselves, so call before visiting.

How can I verify Martin Carr, M.D.'s license?

NPPES lists California license number G59592, 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. Medicare files from data.cms.gov. 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.