STEWARD MEDICAL GROUP OF ARIZONA
NPI 1518137520
Specialist in Phoenix, AZ
About Steward Medical Group Of Arizona NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEWARD MEDICAL GROUP OF ARIZONA (NPI 1518137520) is a healthcare organization registered as a specialist in Phoenix, Arizona and active in the NPI registry since March 2008. The organization lists Ashley Koch, Cfo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Steward Medical Group Of Arizona is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
30Medicare enrollment records show 30 clinicians reassign Medicare billing to Steward Medical Group Of Arizona, which bills Medicare for the services they deliver. Of these, 13 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 12
Nearest to this location (20)
See all 30Source: 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 Physician Group Of Arizona Inc's NPI number?
The NPI number for Physician Group Of Arizona Inc is 1518137520. It was assigned to this organization in the NPPES registry on March 5, 2008. The provider is doing business as Steward Medical Group Of Arizona.
Where is Physician Group Of Arizona Inc located?
Physician Group Of Arizona Inc is located at 4801 E Washington St Suite 200, Phoenix, AZ 85034. The listed phone number is (602) 507-4500.
What is Physician Group Of Arizona Inc's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Physician Group Of Arizona Inc enrolled in Medicare?
Yes. Physician Group Of Arizona Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Physician Group Of Arizona Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 30 clinicians in 12 Medicare specialties reassign their Medicare billing to Physician Group Of Arizona 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. The largest specialties are General Surgery (7), Orthopedic Surgery (5) and Obstetrics/Gynecology (4). Of these, 13 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Physician Group Of Arizona Inc was last updated on March 6, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Steward Medical Group Of Arizona · NPI 1518137520
Specialist organization in Phoenix, Arizona. Organization record, active in the CMS NPPES registry since March 5, 2008.
## Identity
- **NPI:** 1518137520 (Entity type: Organization)
- **Enumerated:** March 5, 2008
- **Primary specialty:** Specialist · taxonomy 174400000X
- **Legal business name:** Physician Group Of Arizona Inc
- **Organization subpart:** No
- **Authorized official:** Ashley Koch, CFO
## Practice location
- **Address:** 4801 E WASHINGTON ST, SUITE 200, Phoenix, AZ 85034-2004
- **Phone:** (602) 507-4500 · **Fax:** (602) 688-8311
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 30 clinicians in 12 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: General Surgery (7), Orthopedic Surgery (5), Obstetrics/Gynecology (4); 13 practice within 10 miles; [full list](https://npiprofile.com/npi/1518137520/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 6, 2020
- **Other identifiers:** Medicaid 323426 (AZ)
---
Source: [NPI Profile](https://npiprofile.com/npi/1518137520) · Data from the CMS NPPES public registry.