Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Family Practice

Meri Antossyan, DO

Works at hospitals in Glendale, CA · California

Summary

Meri Antossyan, DO (Family Practice) is listed by Medicare at 1 hospital in Glendale, CA. NPI 1457738460. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Meri Antossyan, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Family PracticePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
13Years since medical school (graduated 2013)
FemaleGender (as listed)
The Regents of the University of CaliforniaGroup practice (+2 more)

Quick answers

Which hospitals does Meri Antossyan work at?
Medicare's official clinician data lists Meri Antossyan at 1 hospital: Glendale Adventist Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Meri Antossyan see patients?
Medicare's clinician data lists 5 practice locations, including Glendale, CA, Santa Monica, CA and Simi Valley, CA. Call before your visit to confirm the address.
What is Meri Antossyan's specialty?
Medicare lists Family Practice as the primary specialty.
Does Meri Antossyan accept Medicare assignment?
Yes. Medicare's clinician data says Meri Antossyan 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.
Does Meri Antossyan offer telehealth?
Medicare's clinician data says Meri Antossyan offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Meri Antossyan?
(818) 659-5000, as listed in official Medicare / NPI Registry data.
What is Meri Antossyan's NPI number?
1457738460. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Meri Antossyan works

Medicare's Facility Affiliation Data lists Meri Antossyan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Meri Antossyan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Meri Antossyan as a member of these groups (CMS data updated 2026-10-02).

  • The Regents of the University of California1,462 clinicians in the group
  • Adventist Health Physicians Network628 clinicians in the group
  • Regents of the University of California87 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in Glendale

Clinicians with the same Medicare primary specialty in Glendale, CA — not a recommendation.

All family doctors in Glendale →

Clinician information

CredentialDO
Graduation year2013
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1457738460
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians