DR. ARMEN GREGORIAN MD
NPI 1093909624
Surgery in Glendale, CA
About Dr. Armen Gregorian Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ARMEN GREGORIAN MD (NPI 1093909624) is an individual surgery provider in Glendale, California, licensed in California (A97331) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses
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 Gregorian Md 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
4Medicare enrollment records show Armen Gregorian reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Glendale, CA 91208
- Reassigned Medicare billing, California enrollment
- 2 clinicians in this Medicare group
La Canada, CA 91011
- Reassigned Medicare billing, California enrollment
- 139 clinicians in this Medicare group
Glendale, CA 91206
- Reassigned Medicare billing, California enrollment
- 164 clinicians in this Medicare group
Los Angeles, CA 90057
- Reassigned Medicare billing, California enrollment
- 840 clinicians in this Medicare group
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 10
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.
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.
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.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GLENDALE, CA 91208
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 Gregorian's NPI number?
The NPI number for Armen Gregorian is 1093909624. It was assigned to this individual provider in the NPPES registry on August 27, 2007.
Where is Armen Gregorian located?
Armen Gregorian practices at 2101 Broadview Dr, Glendale, CA 91208. The listed phone number is (818) 744-6407.
What is Armen Gregorian's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Armen Gregorian enrolled in Medicare?
Yes. Armen Gregorian 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 Gregorian's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Armen Gregorian reassigns Medicare benefits to 4 organizations: Armen Christopher Gregorian MD Inc (Glendale, CA), Adventist Health Physicians Network (La Canada, CA), Glendale Adventist Medical Center (Glendale, CA) and Pih Health Physicians (Los Angeles, 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 Gregorian'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 Gregorian was last updated on March 2, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Armen Gregorian, MD · NPI 1093909624
Surgery physician in Glendale, California. Individual provider, active in the CMS NPPES registry since August 27, 2007.
## Identity
- **NPI:** 1093909624 (Entity type: Individual)
- **Enumerated:** August 27, 2007
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** A97331 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2101 BROADVIEW DR, Glendale, CA 91208-1313
- **Phone:** (818) 744-6407
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Armen Christopher Gregorian MD Inc (NPI 1245930882, Glendale, CA); Adventist Health Physicians Network (NPI 1003217654, La Canada, CA); Glendale Adventist Medical Center (NPI 1336138403, Glendale, CA); Pih Health Physicians (NPI 1881342087, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** March 2, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1093909624) · Data from the CMS NPPES public registry.