Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ZAREH HAIGAZOUN VARTIVARIAN M.D.
NPI 1174544001
Specialist in Mission Hills, CA

Active since July 23, 2006PECOS EnrolledAccepts Medicare Assignment
11550 INDIAN HILLS RD STE 310, MISSION HILLS, CA 91345(818) 883-8477(818) 883-2223 Get Directions Write a Review

NPPES record last updated: October 13, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Zareh Haigazoun Vartivarian M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ZAREH HAIGAZOUN VARTIVARIAN M.D. (NPI 1174544001) is an individual specialist in Mission Hills, California, licensed in California (C40219) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1979).

NPPES Registry Identity

NPI1174544001
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameDR. ZAREH HAIGAZOUN VARTIVARIANCredential: M.D.
Location Address11550 INDIAN HILLS RD STE 310Mission Hills, CA 91345-1203
Mailing Address7320 Woodlake Ave, Suite 220West Hills, CA 91307-1468 · (818) 883-8477 · Fax (818) 883-2223
Fax(818) 883-2223
Sole ProprietorYes
Medical School CMSOtherGraduated 1979
Enumeration DateJuly 23, 2006
Last NPPES UpdateOctober 13, 2026
NPPES CertifiedOctober 13, 2026
✔ NPI 1174544001 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in CA · C40219
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
11550 INDIAN HILLS RD STE 310, Mission Hills, CA 91345

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Zareh Haigazoun Vartivarian M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5890969984
PECOS Enrollment IDI20111130000361
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
13 services13 patients

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Clinic/Center (Medical Specialty)
11550 INDIAN HILLS RD STE 310
MISSION HILLS, CA 91345
Surgery (Surgical Critical Care)
11550 INDIAN HILLS RD STE 310
MISSION HILLS, CA 91345
Surgery (Trauma Surgery)
11550 INDIAN HILLS RD STE 310
MISSION HILLS, CA 91345
Surgery (Trauma Surgery)
11550 INDIAN HILLS RD STE 310
MISSION HILLS, CA 91345
Surgery
11550 INDIAN HILLS RD STE 310
MISSION HILLS, CA 91345
Surgery (Vascular Surgery)
11550 INDIAN HILLS RD STE 310
MISSION HILLS, CA 91345

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Zareh Vartivarian's NPI number?

The NPI number for Zareh Vartivarian is 1174544001. It was assigned to this individual provider in the NPPES registry on July 23, 2006.

Where is Zareh Vartivarian located?

Zareh Vartivarian practices at 11550 Indian Hills Rd Ste 310, Mission Hills, CA 91345. The listed phone number is (818) 883-8477.

What is Zareh Vartivarian's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Zareh Vartivarian enrolled in Medicare?

Yes. Zareh Vartivarian is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Zareh Vartivarian was last updated on October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.