NPPES file of Aug 9, 2026

Alex Matthew Matavosian, PA-C

Physician Assistant · Thousand Oaks, CA

Alex Matthew Matavosian, PA-C is a physician assistant with a practice address in Thousand Oaks, California, and NPI 1861966418, issued on Jan 16, 2019. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1861966418
Name
Alex Matthew Matavosian
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
Practice location
558 Saint Charles Dr, Thousand Oaks, CA 91360
Phone
(805) 449-8781
Enumerated
Jan 16, 2019
Record last updated
Jan 16, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190409000451); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 558 Saint Charles Dr

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

  1. Eric Harouni, DCChiropractor1447413158
  2. Robert Henry, M.D., M.S.Physical Medicine & Rehabilitation Physician1306970900
  3. James Lin, M.D.Anesthesiology Physician1821009580
  4. David Shirazi, D.D.S.Dentist1659422194

Verify Alex Matthew Matavosian in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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

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98% more Medicare Part D claims than the average physician assistant in 2024

1,645 Medicare Part D claims for 272 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 70 claims were for opioids.

  1. Alex Matavosian1,645
  2. Specialty average830

Most prescribed

  1. Rosuvastatin Calcium92 claims
  2. Atorvastatin Calcium88 claims
  3. Metformin Hcl69 claims
  4. Meloxicam53 claims
  5. Lisinopril47 claims
  6. Losartan Potassium42 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 MIPS final score for 2023 (Medicare payment program): 3.5 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score0.0
  2. Costout of 100 · 30%11.8
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

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

Bills Medicare through 2 group practices

  1. Elite Urgent Care IncEncino, CA
  2. Verdugo Medical Care IncBurbank, CA

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

Alex Matthew Matavosian among 14,451 physician assistant records in California

Alex Matthew Matavosian, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 56% of them.

  • NPI issued2019 · 56% of these records are older, 38% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2018 · median 2018 among the 7,214 with a school on file
  • Record last updated2019 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

40 physician assistant records list a practice address in Thousand Oaks

They are 40 of the 2,434 NPPES records with a practice address in Thousand Oaks, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Byron Caballeros, PA-CThousand Oaks, CA 913601578091575
  2. Christine Caldwell, PAThousand Oaks, CA 913601215056114
  3. Amanda Cowden, PA-CThousand Oaks, CA 913601568177236
  4. Erica Everett, PA-CThousand Oaks, CA 913601891252334
  5. Alexis HadaThousand Oaks, CA 913601679318711
  6. Kelly Hall, PA-CThousand Oaks, CA 913601710989439
  7. Breanne Hesseltine, PA-CThousand Oaks, CA 913601235708975
  8. Asma Hussaini, PAThousand Oaks, CA 913601588893838

Common questions

What is Alex Matthew Matavosian, PA-C's NPI number?

Alex Matthew Matavosian, PA-C's National Provider Identifier (NPI) is 1861966418, issued on Jan 16, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Alex Matthew Matavosian, PA-C located?

The NPPES record lists a practice address at 558 Saint Charles Dr, Thousand Oaks, CA, 91360. Phone: (805) 449-8781. Providers update this record themselves, so call before visiting.

How can I verify Alex Matthew Matavosian, PA-C's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Alex Matthew Matavosian, PA-C prescribe under Medicare Part D?

In 2024, Alex Matthew Matavosian, PA-C had 1,645 Medicare Part D claims for 272 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Alex Matthew Matavosian, PA-C's MIPS final score?

The 2023 MIPS final score is 3.5 of 100. 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.