DR. MERI ANTOSSYAN (D.O) – Family Medicine Physician, NPI 1457738460

DR. MERI ANTOSSYAN (D.O) is a healthcare provider. based in Glendale, California. specializing in FAMILY PRACTICE. They hold the professional credentials D.O. They hold a License No. 20A13819 (CA). The NPI Number for DR. MERI ANTOSSYAN (D.O) is 1457738460

Main info

Female
Sole Proprietor
13 Years Of Experience
Accepts Medicare Assignment
Name
DR. MERI ANTOSSYAN (D.O)
NPI
1457738460
Phone
(747) 212-3441
Address
544 N Glendale Ave Ste B
Enumeration Date
28 April 2015
Last Update Date
6 January 2026

Doctor Profile

Medical School Name
OTHER
Secondary Phone
8185562700
Graduation Year
2013 (13 years ago)
PAC ID
4082902192
Group Practice PAC ID
1355248584
Professional Enrollment ID
I20161005001389
Address ID
CA915054044BU4323XDRXX400
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience51
Completeness85
Years active:11State licenses:1Digital endpointsOther names

13,194 FAMILY PRACTICE in CA

Provider Addresses for DR. MERI ANTOSSYAN (D.O)

  • 544 N Glendale Ave Ste B

    Glendale, CA 912063311

    Phone: (747) 212-3441

    Type: Location

  • 1975 Verdugo Blvd Ste A

    LA Canada Flintridge, CA 910113024

    Phone: (747) 212-3441

    Type: Location

  • 1204 S CENTRAL AVE

    GLENDALE, CA 912042504

    Phone: (818) 551-0001

    Fax: (818) 551-0074

    Type: Mailing

  • 801 S CHEVY CHASE DR STE 230

    GLENDALE, CA 912054436

    Phone: (818) 500-5586

    Fax: (818) 500-5587

    Type: Location

  • 5767 W CENTURY BLVD STE 400

    LOS ANGELES, CA 900455631

    Phone:

    Type: Mailing

  • 23861 MCBEAN PKWY STE E24

    VALENCIA, CA 913554457

    Phone: (661) 284-3100

    Type: Location

  • 2100 POWELL ST STE 400

    EMERYVILLE, CA 946081826

    Phone: (510) 350-2600

    Type: Mailing

  • 544 N GLENDALE AVE STE B

    GLENDALE, CA 912063311

    Phone: (747) 212-3441

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 11 Open Payments records for all available years, with a total value of $326.

Total Amount is formed as General ($326) + Research ($0) + Ownership ($0) = $326.

Last reported payment date: 2024-11-06 • Largest payer in this snapshot: Exact Sciences Corporation ($248).

Total Amount

$326

General + Research + Ownership

Payments

11

Total payment records

General Amount

$326

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-11-06

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2016-10-05

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20161005001389IFamily PracticeCATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes12146$0
99309Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes9938$0
99214Established patient office or other outpatient visit, 30-39 minutes7944$0
99223Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes3635$0
99239Hospital discharge day management, more than 30 minutes3030$0
View full utilization report →

Insurance plans in this area (ZIP 91206)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 1355248584View full group profile
NameSpecialtyState
Internal Medicine, HospitalistCA
Family PracticeCA
-CA
-CA
-CA
Emergency Medicine, Family PracticeCA
Medical Oncology, Hematology/OncologyCA
Hospitalist, Internal MedicineMA
A L L E R G Y/ I M M U N O L O G YCA
Hospitalist, Internal MedicineCA

Reviews

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Frequently asked questions

How do payers reference DR. MERI ANTOSSYAN (D.O)?
For DR. MERI ANTOSSYAN (D.O), use NPI 1457738460 as the unique 10-digit identifier.
Would DR. MERI ANTOSSYAN (D.O) appear as active to a payer?
You can treat DR. MERI ANTOSSYAN (D.O) as active for directory purposes; confirm clinical privileges separately.
How would a patient describe DR. MERI ANTOSSYAN (D.O)'s focus?
For DR. MERI ANTOSSYAN (D.O), the primary taxonomy reads as Family Medicine Physician. Clinical services aligned with this taxonomy classification.
Is DR. MERI ANTOSSYAN (D.O) located near Glendale?
DR. MERI ANTOSSYAN (D.O) currently maps to Glendale, California in this extract.
When was this NPI issued?
Enumeration for DR. MERI ANTOSSYAN (D.O) is noted as April 28, 2015 where the registry provides it.

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