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.
- 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
- Record last updated
- Feb 23, 2026
- Medicare enrollment
- Enrolled (PECOS I20220314000881); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
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.
- John Aldrich Alejandro, NPFamily Nurse Practitioner1891242293
- Joan Yildirimer, FNPFamily Nurse Practitioner1285827956
- Fatimah Zaghari, PAMedical Physician Assistant1194295519
Verify Steven Montenegro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA60025Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% 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 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Cephalexin68 claims
- Albuterol Sulfate Hfa50 claims
- Prednisone38 claims
- Amoxicillin-Clavulanate Potass23 claims
- Ibuprofen21 claims
- 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 MIPS final score for 2023 (Medicare payment program): 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 3 group practices
- Emergency Physicians Urgent Care IncChino, CA
- Exer Medical CorporationRedlands, CA
- Southern California Permanente Medical GroupVictorville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven Montenegro among 3,376 medical physician assistant records in California
Steven Montenegro, PA-C is one of 3,376 medical physician assistant records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 77% of them.
- NPI issued2020 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2021 · median 2012 among the 1,347 with a school on file
- Record last updated2026 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in California
There are 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in Irvine → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Nelson Aguilar, PAIrvine, CA 926181477995504
- Madison CampbellIrvine, CA 926181518773274
- Both Huk, PAIrvine, CA 926181902015076
- Kathy McGraw, P.A.Irvine, CA 926181477784874
- Kay Tran, PA-CIrvine, CA 926181710904693
- Fatimah Zaghari, PAIrvine, CA 926181194295519
- Samantha Cohen, PAIrvine, CA 926141487949251
- William Jason, P.A.Irvine, CA 926141144252230
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 1,148. Part D covers Medicare prescriptions only.
What is Steven Montenegro, PA-C's MIPS final 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), 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.