NPPES file of Aug 9, 2026

Austin Marsh

Diagnostic Radiology Physician · Los Angeles, CA

Austin Marsh is a diagnostic radiology physician with a practice address in Los Angeles, California, and NPI 1346773850, issued on Apr 11, 2017. Check the license (California A158895, 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 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1346773850
Name
Austin Marsh
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License numbers
A158895 CA
40879 OK
Self-reported in NPPES; status is on the state search
Practice location
1510 Cotner Ave, Los Angeles, CA 90025
Phone
(424) 901-9100
Enumerated
Apr 11, 2017
Record last updated
Mar 14, 2023
Medicare enrollment
Enrolled (PECOS I20230624000094); accepts Medicare assignment
Medical or professional school
University Of California, San Diego School Of Medicine, 2017
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 1510 Cotner Ave

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

  1. Matthew Benjamin, MDDiagnostic Radiology Physician1871390575
  2. Howard Berger, M.D.Diagnostic Radiology Physician1851479315
  3. Joshua Davis, MDDiagnostic Radiology Physician1649701459
  4. Marshall Fisher, MDDiagnostic Radiology Physician1295760999
  5. Mohammed Izhar, M.D.Diagnostic Radiology Physician1437346244
  6. Joshua Rosengarten, MDDiagnostic Radiology Physician1467077255

Verify Austin Marsh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A158895
    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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The practice group's MIPS final score for 2023 (Medicare payment program): 78.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score61.6
  2. Costout of 100 · 30%65.1
  3. Promoting interoperabilityout of 100 · 25%98.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

6 hospitals and group practices

  1. Cherokee NationTahlequah, OK
  2. Choctaw Nation OF OklahomaTalihina, OK
  3. Creek Nation Hospital And ClinicsTulsa, OK
  4. Diagnostic Imaging Associates IncSanta Barbara, CA
  5. Lawton Indian HospitalLawton, OK · Acute Care Hospitals
  6. Pawnee Indian Health CenterPawnee, OK

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).

Austin Marsh among 4,500 diagnostic radiology physician records in California

Austin Marsh is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 85% of them.

  • NPI issued2017 · 85% of these records are older, 12% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2017 · median 2004 among the 3,130 with a school on file
  • Record last updated2023 · 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 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in California

There are 4,500 diagnostic radiology physician records in California.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Suzanne Bash, MDLos Angeles, CA 900251417998253
  2. John Crues, M.DLos Angeles, CA 900251255333480
  3. Nastaran Fatemi, MDLos Angeles, CA 900251861430373
  4. Vincent Fennell, MDLos Angeles, CA 900251497798839
  5. Gary Gray, MDLos Angeles, CA 900251073555009
  6. Irwin Jasper, MDLos Angeles, CA 900251174564710
  7. Steven Kapelov, MDLos Angeles, CA 900251982642690
  8. Alma Loya, M.D.Los Angeles, CA 900251194781054

Common questions

What is Austin Marsh's NPI number?

Austin Marsh's National Provider Identifier (NPI) is 1346773850, issued on Apr 11, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Austin Marsh located?

The NPPES record lists a practice address at 1510 Cotner Ave, Los Angeles, CA, 90025. Phone: (424) 901-9100. Providers update this record themselves, so call before visiting.

How can I verify Austin Marsh's license?

NPPES lists California license number A158895, 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.

What is Austin Marsh's MIPS final score?

The 2023 MIPS final score is 78.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.