Mari Anna Hareyan, PA
Physician Assistant · Van Nuys, CA
Mari Anna Hareyan, PA is a physician assistant with a practice address in Van Nuys, California, and NPI 1255004503, issued on Jul 30, 2021. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mari Anna Hareyan
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 14232 Gilmore St # 101, Van Nuys, CA 91401
- Phone
- (818) 391-8835
- Enumerated
- Jul 30, 2021
- Record last updated
- Jul 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Verify Mari Anna Hareyan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average physician assistant in 2024
345 Medicare Part D claims for 85 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Azithromycin19 claims
- Methylprednisolone18 claims
- Diazepam17 claims
- Promethazine Hcl16 claims
- Tramadol Hcl13 claims
- Gabapentin12 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.
Mari Anna Hareyan among 14,451 physician assistant records in California
Mari Anna Hareyan, PA 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 2021, is newer than 67% of them.
- NPI issued2021 · 67% of these records are older, 27% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2021 · 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).
56 physician assistant records list a practice address in Van Nuys
They are 56 of the 4,323 NPPES records with a practice address in Van Nuys, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Van Nuys → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Lili Barajas, PA-CVan Nuys, CA 914011144995465
- Elizabeth CohanimVan Nuys, CA 914011366389538
- Mary Grace Justiniani, PA-CVan Nuys, CA 914011619012689
- Linda Richards, PA-CVan Nuys, CA 914011316074529
- Mark Bell, PAPanorama City, CA 914021265591960
- Ambartsum Gezalyan, PAPanorama City, CA 914021639227523
- Alberta Hampton Smith, PAPanorama City, CA 914021851449748
- Melissa Haney, PAPanorama City, CA 914021376669515
Common questions
What is Mari Anna Hareyan, PA's NPI number?
Mari Anna Hareyan, PA's National Provider Identifier (NPI) is 1255004503, issued on Jul 30, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Mari Anna Hareyan, PA located?
The NPPES record lists a practice address at 14232 Gilmore St # 101, Van Nuys, CA, 91401. Phone: (818) 391-8835. Providers update this record themselves, so call before visiting.
How can I verify Mari Anna Hareyan, PA's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Mari Anna Hareyan, PA prescribe under Medicare Part D?
In 2024, Mari Anna Hareyan, PA had 345 Medicare Part D claims for 85 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
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.