DR. AARON T SAUNDERS MD
NPI 1902148208
Internal Medicine in Phoenix, AZ
About Dr. Aaron T Saunders Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AARON T SAUNDERS MD (NPI 1902148208) is an individual internal medicine provider in Phoenix, Arizona, licensed in Arizona (57930) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS and maintains a secondary practice location in Phoenix.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Aaron T Saunders Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Aaron Saunders reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mesa, AZ 85205
- Reassigned Medicare billing, Arizona enrollment
- 110 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 5
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 85008 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Aaron Saunders's NPI number?
The NPI number for Aaron Saunders is 1902148208. It was assigned to this individual provider in the NPPES registry on March 25, 2013.
Where is Aaron Saunders located?
Aaron Saunders practices at 4420 E Mcdowell Rd, Phoenix, AZ 85008. The listed phone number is (602) 858-4295.
What is Aaron Saunders's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Aaron Saunders enrolled in Medicare?
Yes. Aaron Saunders is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Aaron Saunders's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Saunders reassigns Medicare benefits to Archwell Health Professional Services Of Arizona, LLC (Mesa, AZ). The 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 Aaron Saunders'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 Aaron Saunders was last updated on August 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.