IASO MEDICAL PROFESSIONAL GROUP
NPI 1306651559
Clinic/Center in Glendale, CA
About Iaso Medical Professional Group NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
IASO MEDICAL PROFESSIONAL GROUP (NPI 1306651559) is a healthcare organization registered as a clinic/center in Glendale, California and active in the NPI registry since February 2025. The organization lists Robert Zakaryan, Secretary, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Iaso Medical Professional Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
5Medicare enrollment records show 5 clinicians reassign Medicare billing to Iaso Medical Professional Group, which bills Medicare for the services they deliver. They are listed nearest first.
Clinicians, nearest first (5)
Covina, CA 91723
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 Iaso Medical Professional Group's NPI number?
The NPI number for Iaso Medical Professional Group is 1306651559. It was assigned to this organization in the NPPES registry on February 12, 2025.
Where is Iaso Medical Professional Group located?
Iaso Medical Professional Group is located at 401 N Brand Blvd Ste 726, Glendale, CA 91203. The listed phone number is (747) 215-9988.
What is Iaso Medical Professional Group's specialty?
The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.
Is Iaso Medical Professional Group enrolled in Medicare?
Yes. Iaso Medical Professional Group is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Iaso Medical Professional Group?
According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 3 Medicare specialties reassign their Medicare billing to Iaso Medical Professional Group. 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. The largest specialties are Internal Medicine (3), Family Practice (1) and Nurse Practitioner (1). Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Iaso Medical Professional Group was last updated on May 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Iaso Medical Professional Group · NPI 1306651559
Clinic/Center organization in Glendale, California. Organization record, active in the CMS NPPES registry since February 12, 2025.
## Identity
- **NPI:** 1306651559 (Entity type: Organization)
- **Enumerated:** February 12, 2025
- **Primary specialty:** Clinic/Center · taxonomy 261Q00000X
- **Organization subpart:** No
- **Authorized official:** Robert Zakaryan, SECRETARY
## Practice location
- **Address:** 401 N BRAND BLVD STE 726, Glendale, CA 91203-4476
- **Phone:** (747) 215-9988
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 5 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (3), Family Practice (1), Nurse Practitioner (1) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 6, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1306651559) · Data from the CMS NPPES public registry.