ARMEN NERCESSIAN DO INC
NPI 1023390770
General Practice in Glendale, CA

Q: What is Armen Nercessian Do Inc's NPI number?

The NPI number for Armen Nercessian Do Inc is 1023390770. It was assigned to this organization in the NPPES registry on September 19, 2011.

Q: What is Armen Nercessian Do Inc's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Active since September 19, 2011

1139 N BRAND BLVD STE C, GLENDALE, CA 91202(818) 552-2011(818) 552-2012 Get Directions Write a Review

NPPES record last updated: August 22, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Armen Nercessian Do Inc NPPES

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

ARMEN NERCESSIAN DO INC (NPI 1023390770) is a healthcare organization registered as a general practice in Glendale, California and active in the NPI registry since September 2011. The organization lists Armen Yeghia Nercessian, President, Owner, Physician, as its authorized official.

NPPES Registry Identity

NPI1023390770

Entity TypeOrganization

Primary Taxonomy208D00000X

Legal Business NameARMEN NERCESSIAN DO INC

Location Address1139 N BRAND BLVD STE CGlendale, CA 91202-3014

Mailing Address1139 N Brand Blvd Ste CGlendale, CA 91202-3014 · (818) 552-2011 · Fax (818) 552-2012

Phone(818) 552-2011

Fax(818) 552-2012

Organization SubpartNo

Authorized OfficialArmen Yeghia NercessianPresident, Owner, Physician · (818) 552-2011

Enumeration DateSeptember 19, 2011

Last NPPES UpdateAugust 22, 2025

NPPES CertifiedAugust 22, 2025

✔ NPI 1023390770 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians

Taxonomy Code208D00000X

License✔ Licensed in CA · 20A6784

Definition

A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

1139 N BRAND BLVD STE C, Glendale, CA 91202

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Armen Nercessian Do Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by February 28, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date

StateCaliforniaEnrollment IDO20120425000693Non-DME Part B · Clinic/Group PracticeDue dateFebruary 28, 2027

Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Armen Nercessian Do Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Armen Nercessian, D.O.

General Practice

NPI 1679534374

2425 S AZUSA AVE
West Covina, CA 91792

(626) 839-9111

✔ PECOS✔ Accepts Medicare22 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Armen Nercessian Do Inc's NPI number?

The NPI number for Armen Nercessian Do Inc is 1023390770. It was assigned to this organization in the NPPES registry on September 19, 2011.

Where is Armen Nercessian Do Inc located?

Armen Nercessian Do Inc is located at 1139 N Brand Blvd Ste C, Glendale, CA 91202. The listed phone number is (818) 552-2011.

What is Armen Nercessian Do Inc's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Armen Nercessian Do Inc enrolled in Medicare?

Yes. Armen Nercessian Do Inc is registered in the Medicare PECOS enrollment system.

When is Armen Nercessian Do Inc's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by February 28, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Armen Nercessian Do Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (General Practice) reassigns their Medicare billing to Armen Nercessian Do Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Armen Nercessian Do Inc was last updated on August 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.