DR. ARMEN YEGHIA NERCESSIAN D.O.
NPI 1679534374
General Practice in West Covina, CA
About Dr. Armen Yeghia Nercessian D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ARMEN YEGHIA NERCESSIAN D.O. (NPI 1679534374) is an individual general practice provider in West Covina, California, licensed in California (20A6784) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1995).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Armen Yeghia Nercessian D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Armen Nercessian reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pomona, CA 91767
- Reassigned Medicare billing, California enrollment
- 119 clinicians in this Medicare group
Pasadena, CA 91104
- Reassigned Medicare billing, California enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 21
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 11
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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's NPI number?
The NPI number for Armen Nercessian is 1679534374. It was assigned to this individual provider in the NPPES registry on March 31, 2006.
Where is Armen Nercessian located?
Armen Nercessian practices at 2425 S Azusa Ave, West Covina, CA 91792. The listed phone number is (626) 839-9111.
What is Armen Nercessian's specialty?
The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.
Is Armen Nercessian enrolled in Medicare?
Yes. Armen Nercessian is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Armen Nercessian's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Armen Nercessian reassigns Medicare benefits to 2 organizations: Unicare Community Health Center, Inc. (Pomona, CA) and Armen Nercessian Do Inc (Pasadena, CA). Each 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 Armen Nercessian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Armen Nercessian was last updated on March 15, 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.