Registry data as of Aug 27, 2026

Alan Altman, M.D.

Gastroenterology Physician · Rancho Mirage, CA

Alan Altman, M.D. is a gastroenterology physician with a practice address in Rancho Mirage, California, and NPI 1598002750, issued on Jan 8, 2013. Check the license (California G28916, 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1598002750
Name
Alan Altman
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
G28916 CA
Self-reported in NPPES; status is on the state search
Practice location
10 Marseilles RD, Rancho Mirage, CA 92270
Phone
(760) 770-6065
Enumerated
Jan 8, 2013
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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Verify Alan Altman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G28916
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

Gastroenterology Physician providers in California

There are 1,749 gastroenterology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other gastroenterology physician records in California

  1. David Aarons, MDLodi, CA1619081379
  2. Constante Abaya, MDOxnard, CA1003918459
  3. Homan Abdollahzadeh, MDPalm Springs, CA1184634826
  4. John Abdulian, M.D.Fresno, CA1437114113
  5. Hussein Abidali, DORancho Cucamonga, CA1205274768
  6. Alaa Abousaif, MDOrange, CA1235124108
  7. Donald Abrahm, M.D.Newport Beach, CA1215022405
  8. Maria Abreu, M.D.West Hollywood, CA1598793374
  9. Safwat Absood, M.D.Modesto, CA1932113891
  10. Ronald Adamany, M.D.Mission Viejo, CA1992780688

Common questions

What is Alan Altman, M.D.'s NPI number?

Alan Altman, M.D.'s National Provider Identifier (NPI) is 1598002750, issued on Jan 8, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Alan Altman, M.D. located?

The NPPES record lists a practice address at 10 Marseilles RD, Rancho Mirage, CA, 92270. Phone: (760) 770-6065. Providers update this record themselves, so call before visiting.

How can I verify Alan Altman, M.D.'s license?

NPPES lists California license number G28916, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.