Registry data as of Aug 27, 2026

Steven Montenegro, PA-C

Medical Physician Assistant · Irvine, CA

Steven Montenegro, PA-C is a medical physician assistant with a practice address in Irvine, California, and NPI 1275157802, issued on May 29, 2020. Check the license (California PA60025, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1275157802
Name
Steven Montenegro
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License numbers
PA60025 CA
60025 CA
Self-reported in NPPES; status is on the state search
Practice location
16205 Sand Canyon Ave Ste 100, Irvine, CA 92618
Phone
(909) 646-2746
Enumerated
May 29, 2020
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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Also registered at 16205 Sand Canyon Ave Ste 100

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

  1. John Aldrich Alejandro, NPFamily Nurse Practitioner1891242293
  2. Joan Yildirimer, FNPFamily Nurse Practitioner1285827956
  3. Fatimah Zaghari, PAMedical Physician Assistant1194295519

Verify Steven Montenegro in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PA60025
    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
Find 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 →

63% fewer Medicare Part D claims than the average medical physician assistant in 2024

418 Medicare Part D claims for 302 beneficiaries, against an average of 1,139 among the 25,090 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Steven Montenegro418
  2. Specialty average1,139

Most prescribed

  1. Cephalexin68 claims
  2. Albuterol Sulfate Hfa50 claims
  3. Prednisone38 claims
  4. Amoxicillin-Clavulanate Potass23 claims
  5. Ibuprofen21 claims
  6. Azithromycin20 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's Medicare quality score for 2023: 84.4 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 score90.7
  2. Costout of 100 · 30%57.4
  3. Promoting interoperabilityout of 100 · 25%100.0
  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).

3 hospital and facility affiliations

  1. Emergency Physicians Urgent Care IncChino, CA
  2. Exer Medical CorporationRedlands, CA
  3. Southern California Permanente Medical GroupVictorville, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Medical Physician Assistant providers in California

There are 3,489 medical physician assistant records in California.

Other medical physician assistant records in California

  1. Bridget Abajian, PA-CLos Angeles, CA1518677061
  2. Crispin Abbott, PHYSICIAN ASSISTANTThousand Oaks, CA1063467926
  3. Abdol Hamid Abdali Hajiabadi, P.A.Santa Ana, CA1285747964
  4. Jilbert Abnoosian, PALynwood, CA1447300314
  5. Reema Aboelrish, PA-CFresno, CA1376466144
  6. Sakina Abowath, P.A.Diamond Bar, CA1326287525
  7. Selin Abraamyan, PA-CGlendale, CA1144795899
  8. Antonious Abraham, PA-CCovina, CA1003434275
  9. Michelle AbrahamSacramento, CA1952875957
  10. Therese Abraham, P.A.-CGlendale, CA1063726586

Common questions

What is Steven Montenegro, PA-C's NPI number?

Steven Montenegro, PA-C's National Provider Identifier (NPI) is 1275157802, issued on May 29, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Steven Montenegro, PA-C located?

The NPPES record lists a practice address at 16205 Sand Canyon Ave Ste 100, Irvine, CA, 92618. Phone: (909) 646-2746. Providers update this record themselves, so call before visiting.

How can I verify Steven Montenegro, PA-C's license?

NPPES lists California license number PA60025, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Steven Montenegro, PA-C prescribe under Medicare Part D?

In 2024, Steven Montenegro, PA-C had 418 Medicare Part D claims for 302 beneficiaries; the average among medical physician assistant prescribers was 1,139. Part D covers Medicare prescriptions only.

What is Steven Montenegro, PA-C's Medicare quality score?

The 2023 MIPS final score is 84.4 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), loaded Aug 27, 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.

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.