NPPES file of Aug 9, 2026

Gema Montana, M.D.

Anesthesiology Physician · Los Angeles, CA

Gema Montana, M.D. is an anesthesiology physician with a practice address in Los Angeles, California, and NPI 1063738136, issued on Apr 14, 2010. Check the license (California A130562, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1063738136
Name
Gema Montana
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
A130562 CA
Self-reported in NPPES; status is on the state search
Practice location
5900 W Olympic Blvd, Los Angeles, CA 90036
Phone
(310) 657-5900
Enumerated
Apr 14, 2010
Record last updated
Jan 4, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210714000503); accepts Medicare assignment
Medical or professional school
University Of South Florida College Of Medicine, 2010
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 5900 W Olympic Blvd

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

  1. Deborah Castine, MDAnesthesiology Physician1083727267
  2. Jonathan Choi, DOAnesthesiology Physician1245422435
  3. Allen Cohen, MDAnesthesiology Physician1700874187
  4. Michael Daignault, M.D.Emergency Medicine Physician1366731911
  5. Guillermo Galindo, M.D.Anesthesiology Physician1154556355
  6. Paul Gavini, RRTRegistered Respiratory Therapist1003310145

Verify Gema Montana in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A130562
    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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Bills Medicare through one group practice

  1. Ams National LLCClearwater, FL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gema Montana among 7,571 anesthesiology physician records in California

Gema Montana, M.D. is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 65% of them.

  • NPI issued2010 · 65% of these records are older, 32% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2010 · median 2006 among the 4,868 with a school on file
  • Record last updated2017 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiology Physician providers in California

There are 7,571 anesthesiology physician records in California.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Deborah Castine, MDLos Angeles, CA 900361083727267
  2. Jonathan Choi, DOLos Angeles, CA 900361245422435
  3. Allen Cohen, MDLos Angeles, CA 900361700874187
  4. Dwayne Cox, M.D.Los Angeles, CA 900361568490951
  5. Linda Donofrio, M.D.Los Angeles, CA 900361619138575
  6. Guillermo Galindo, M.D.Los Angeles, CA 900361154556355
  7. Douglas Mayfield, MDLos Angeles, CA 900361174636245
  8. Cyrus Pirnazar, MDLos Angeles, CA 900361356454458

Common questions

What is Gema Montana, M.D.'s NPI number?

Gema Montana, M.D.'s National Provider Identifier (NPI) is 1063738136, issued on Apr 14, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Gema Montana, M.D. located?

The NPPES record lists a practice address at 5900 W Olympic Blvd, Los Angeles, CA, 90036. Phone: (310) 657-5900. Providers update this record themselves, so call before visiting.

How can I verify Gema Montana, M.D.'s license?

NPPES lists California license number A130562, 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.

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.