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ARMEN NERCESSIAN DO INC
NPI 1417496332
General Practice in Pasadena, CA

Active since February 13, 2017
1710 E WASHINGTON BLVD, PASADENA, CA 91104(626) 345-9022(626) 345-9019 Get Directions Write a Review

NPPES record last updated: February 13, 2017. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Armen Nercessian Do Inc NPPES

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

ARMEN NERCESSIAN DO INC (NPI 1417496332) is a healthcare organization registered as a general practice in Pasadena, California and active in the NPI registry since February 2017. The organization lists Armen Yeghia Nercessian, President/ Owner, as its authorized official.

NPPES Registry Identity

NPI1417496332
Entity TypeOrganization
Primary Taxonomy208D00000X
Legal Business NameARMEN NERCESSIAN DO INC
Location Address1710 E WASHINGTON BLVDPasadena, CA 91104-2751
Mailing Address1710 E Washington BlvdPasadena, CA 91104-2751 · (626) 345-9022 · Fax (626) 345-9019
Phone(626) 345-9022
Fax(626) 345-9019
Organization SubpartNo
Authorized OfficialArmen Yeghia NercessianPresident/ Owner · (626) 345-9022
Enumeration DateFebruary 13, 2017
✔ NPI 1417496332 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
1710 E WASHINGTON BLVD, Pasadena, CA 91104
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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 Medicare15 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 1417496332. It was assigned to this organization in the NPPES registry on February 13, 2017.

Where is Armen Nercessian Do Inc located?

Armen Nercessian Do Inc is located at 1710 E Washington Blvd, Pasadena, CA 91104. The listed phone number is (626) 345-9022.

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 February 13, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years 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.