Zareh Haigazoun Vartivarian, M.D.
Specialist · West Hills, CA
Zareh Haigazoun Vartivarian, M.D. is a specialist with a practice address in West Hills, California, and NPI 1174544001, issued on Jul 23, 2006. Check the license (California C40219, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Zareh Haigazoun Vartivarian
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- C40219 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7320 Woodlake Ave, West Hills, CA 91307
- Phone
- (818) 883-8477
- Enumerated
- Jul 23, 2006
- Record last updated
- Nov 1, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (818) 883-2223
- Medicare enrollment
- Enrolled (PECOS I20111130000361); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 7320 Woodlake Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Zareh Haigazoun Vartivarian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license C40219Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average specialist in 2024
35 Medicare Part D claims for 19 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 11 claims were for opioids.
Most prescribed
- Cephalexin19 claims
- Acetaminophen-Codeine11 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.
Zareh Haigazoun Vartivarian among 5,749 specialist records in California
Zareh Haigazoun Vartivarian, M.D. is one of 5,749 specialist records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 60% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1979 · median 1989 among the 1,075 with a school on file
- Record last updated2011 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 specialist records list a practice address in West Hills
They are 16 of the 708 NPPES records with a practice address in West Hills, and 5,749 specialist records in California.
All 5,749 in California → Every provider in West Hills → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Shervin Aminpour, MDWest Hills, CA 913071326022708
- Cyrus Badii, M.D.West Hills, CA 913071134274350
- Renee Cotter, MD A PROFESSIONAL COWest Hills, CA 913071861569428
- Irene Faust, M.D.West Hills, CA 913071720019243
- Carol First, MDWest Hills, CA 913071417971185
- Douglas Gellerman, MDWest Hills, CA 913071639181530
- Marshall Graditor, M.D.West Hills, CA 913071275591349
- Niloufar Guiv, M.D.West Hills, CA 913071124028345
Common questions
What is Zareh Haigazoun Vartivarian, M.D.'s NPI number?
Zareh Haigazoun Vartivarian, M.D.'s National Provider Identifier (NPI) is 1174544001, issued on Jul 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Zareh Haigazoun Vartivarian, M.D. located?
The NPPES record lists a practice address at 7320 Woodlake Ave, West Hills, CA, 91307. Phone: (818) 883-8477. Providers update this record themselves, so call before visiting.
How can I verify Zareh Haigazoun Vartivarian, M.D.'s license?
NPPES lists California license number C40219, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Zareh Haigazoun Vartivarian, M.D. prescribe under Medicare Part D?
In 2024, Zareh Haigazoun Vartivarian, M.D. had 35 Medicare Part D claims for 19 beneficiaries; the average among specialist prescribers was 1,380. 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.