Quick answers
- Where does Haroutioun D. Mesrobian see patients?
- Medicare's clinician data lists 1 practice location in Glendale, CA. Call before your visit to confirm the address.
- What is Haroutioun D. Mesrobian's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Haroutioun D. Mesrobian accept Medicare assignment?
- Yes. Medicare's clinician data says Haroutioun D. Mesrobian accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Haroutioun D. Mesrobian?
- (818) 243-9600, as listed in official Medicare / NPI Registry data.
- What is Haroutioun D. Mesrobian's NPI number?
- 1477536738. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Haroutioun D. Mesrobian is enrolled with Medicare (CMS data updated 2026-10-02).
- 660 W BroadwayGlendale, CA 91204 (818) 243‑9600
Group practices
Medicare enrollment lists Haroutioun D. Mesrobian as a member of this group (CMS data updated 2026-10-02).
- Heartbeat Cardiovascular Medical Group9 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in California →
Other cardiologists in Glendale
Clinicians with the same Medicare primary specialty in Glendale, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Foreign Dental Schools |
| Graduation year | 1984 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477536738 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians