DR. ARMEN DERIAN M.D.
NPI 1275978876
Physical Medicine & Rehabilitation in Mesa, AZ
About Dr. Armen Derian M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ARMEN DERIAN M.D. (NPI 1275978876) is an individual physical medicine & rehabilitation provider in Mesa, Arizona, licensed in Arizona (53494) and active in the NPI registry since May 2013. He is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses 6
Secondary Practice Locations 4
Other Identifiers 2
Accepted Insurance
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 Derian M.d. 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
5Medicare enrollment records show Armen Derian reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mesa, AZ 85212
- Reassigned Medicare billing, Arizona enrollment
- 3 clinicians in this Medicare group
Chandler, AZ 85224
- Reassigned Medicare billing, Arizona enrollment
- 2 clinicians in this Medicare group
Scottsdale, AZ 85255
- Reassigned Medicare billing, Arizona enrollment
- 2 clinicians in this Medicare group
Surprise, AZ 85378
- Reassigned Medicare billing, Arizona enrollment
- 15 clinicians in this Medicare group
Miami, FL 33186
- Reassigned Medicare billing, Florida enrollment
- 8 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.
Referred Medical Equipment & Supplies CMS DME claims 10
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MESA, AZ 85212
MESA, AZ 85212
MESA, AZ 85212
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 Derian's NPI number?
The NPI number for Armen Derian is 1275978876. It was assigned to this individual provider in the NPPES registry on May 8, 2013.
Where is Armen Derian located?
Armen Derian practices at 2919 S Ellsworth Rd Ste 109, Mesa, AZ 85212. The listed phone number is (480) 597-4321.
What is Armen Derian's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.
Is Armen Derian enrolled in Medicare?
Yes. Armen Derian 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 Derian's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Armen Derian reassigns Medicare benefits to 5 organizations: Ellsworth Physician Services (Mesa, AZ), Ron Morris Dc LLC (Chandler, AZ), Pinnacle Physical Medicine And Chiropractic LLC (Scottsdale, AZ), Post-Acute Physicians Of Arizona PLLC (Surprise, AZ) and Family Medical Group Kendall, LLC (Miami, FL). 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 Derian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Armen Derian accept?
Health plans from Ambetter Health, Ambetter from Superior HealthPlan, Blue Cross Blue Shield of Arizona and Oscar Health Maintenance Organization of Florida list Armen Derian as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Armen Derian was last updated on July 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.