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

DR. MARY UNANYAN DO
NPI 1457054694
Emergency Medicine in Glendale, CA

Active since March 27, 2023PECOS Enrolled
1812 VERDUGO BLVD, GLENDALE, CA 91208(312) 996-2933 Get Directions Write a Review

NPPES record last updated: August 20, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Aug 20, 2026, Aug 28, 2023, Apr 4, 2023 and 1 more (4 updates tracked since 2023).

About Dr. Mary Unanyan Do NPPES

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

DR. MARY UNANYAN DO (NPI 1457054694) is an individual emergency medicine provider in Glendale, California, licensed in California (20A24832) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1457054694
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDR. MARY UNANYANCredential: DO
Location Address1812 VERDUGO BLVDGlendale, CA 91208-1407
Mailing Address1812 Verdugo BlvdGlendale, CA 91208-1407 · (312) 996-2933
Phone(312) 996-2933
Sole ProprietorNo
Enumeration DateMarch 27, 2023
Last NPPES UpdateAugust 20, 20264 updates tracked since enumeration
NPPES CertifiedAugust 20, 2026
✔ NPI 1457054694 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · 20A24832
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
1812 VERDUGO BLVD, Glendale, CA 91208
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mary Unanyan Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91208 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

CHANDNISH K AHLUWALIA M D INC
Pathology (Anatomic Pathology & Clinical Pathology)
1812 VERDUGO BLVD
GLENDALE, CA 91208
Los Angeles County (818) 952-2286
USC VERDUGO HILLS HOSPITAL
General Acute Care Hospital
1812 VERDUGO BLVD
GLENDALE, CA 91208
Los Angeles County (818) 790-7100
DR. GIL Z SHLAMOVITZ MD
Emergency Medicine
1812 VERDUGO BLVD
GLENDALE, CA 91208
Los Angeles County (818) 790-7100
ERIN JOY TERHORST MCANOY NP
Nurse Practitioner (Family)
1812 VERDUGO BLVD
GLENDALE, CA 91208
Los Angeles County (818) 952-2222
JORGE FLORES M.D.
Emergency Medicine
1812 VERDUGO BLVD
GLENDALE, CA 91208
Los Angeles County (818) 790-7100
TYLER RONNFELDT MD
Emergency Medicine
1812 VERDUGO BLVD
GLENDALE, CA 91208
Los Angeles County (818) 790-7100
INESSA ARTSRUNYAN NP
Nurse Practitioner (Acute Care)
1812 VERDUGO BLVD
GLENDALE, CA 91208
Los Angeles County (818) 790-7100
SCOTT JOSEPH BYINGTON
Nurse Practitioner (Acute Care)
1812 VERDUGO BLVD
GLENDALE, CA 91208
Los Angeles County (818) 790-7100

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 Mary Unanyan's NPI number?

The NPI number for Mary Unanyan is 1457054694. It was assigned to this individual provider in the NPPES registry on March 27, 2023.

Where is Mary Unanyan located?

Mary Unanyan practices at 1812 Verdugo Blvd, Glendale, CA 91208. The listed phone number is (312) 996-2933.

What is Mary Unanyan's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Mary Unanyan enrolled in Medicare?

Yes. Mary Unanyan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mary Unanyan was last updated on August 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.