Ambartsum Gezalyan, PA
Physician Assistant · Panorama City, CA
Ambartsum Gezalyan, PA is a physician assistant with a practice address in Panorama City, California, and NPI 1639227523, issued on Jan 8, 2007. Check the license (California PA12001, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ambartsum Gezalyan
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA12001 CA
Self-reported in NPPES; status is on the state search - Practice location
- 13652 Cantara St, Panorama City, CA 91402
- Phone
- (818) 375-2000
- Enumerated
- Jan 8, 2007
- Record last updated
- Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050107000899); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 13652 Cantara St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Taha Ahmad, MDOccupational Medicine Physician1629126669
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Verify Ambartsum Gezalyan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA12001Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average physician assistant in 2024
11 Medicare Part D claims, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupPanorama City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ambartsum Gezalyan among 14,451 physician assistant records in California
Ambartsum Gezalyan, 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 2007, is newer than 13% of them.
- NPI issued2007 · 13% of these records are older, 78% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1987 · median 2018 among the 7,214 with a school on file
- 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).
16 physician assistant records list a practice address in Panorama City
They are 16 of the 1,412 NPPES records with a practice address in Panorama City, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Panorama City → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Mark Bell, PAPanorama City, CA 914021265591960
- Gary Davidson, PAPanorama City, CA 914021104027093
- Alberta Hampton Smith, PAPanorama City, CA 914021851449748
- Melissa Haney, PAPanorama City, CA 914021376669515
- Jeremiah Martinez, PA-CPanorama City, CA 914021255458386
- Bennie-John Milan, PA-CPanorama City, CA 914021093258956
- Arshia Mirzadeh, PAPanorama City, CA 914021326699398
- Maria Oculam, PAPanorama City, CA 914021164581872
Common questions
What is Ambartsum Gezalyan, PA's NPI number?
Ambartsum Gezalyan, PA's National Provider Identifier (NPI) is 1639227523, issued on Jan 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ambartsum Gezalyan, PA located?
The NPPES record lists a practice address at 13652 Cantara St, Panorama City, CA, 91402. Phone: (818) 375-2000. Providers update this record themselves, so call before visiting.
How can I verify Ambartsum Gezalyan, PA's license?
NPPES lists California license number PA12001, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ambartsum Gezalyan, PA prescribe under Medicare Part D?
In 2024, Ambartsum Gezalyan, PA had 11 Medicare Part D claims; 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.