DR. AARON OVERLY D.O.
NPI 1861758880
Surgery in Auburn Hills, MI
About Dr. Aaron Overly D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AARON OVERLY D.O. (NPI 1861758880) is an individual surgery provider in Auburn Hills, Michigan, licensed in Michigan (5101019913) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS, is affiliated with Ascension St John Hospital, and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses 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. Aaron Overly D.o. 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
3Medicare enrollment records show Aaron Overly reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Southfield, MI 48075
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: Henry Ford Health St. John Hospital
- 520 clinicians in this Medicare group
Novi, MI 48374
- Reassigned Medicare billing, Michigan enrollment
- 41 clinicians in this Medicare group
Fort Gratiot, MI 48059
- Reassigned Medicare billing, Michigan enrollment
- 24 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 4
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension St John Hospital
Acute Care Hospitals · Detroit, MIAscension Macomb Oakland Hosp-Warren Campus
Acute Care Hospitals · Warren, MIAscension Providence Rochester Hospital
Acute Care Hospitals · Rochester, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48326 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
AUBURN HILLS, MI 48326
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 Overly's NPI number?
The NPI number for Aaron Overly is 1861758880. It was assigned to this individual provider in the NPPES registry on April 3, 2012.
Where is Aaron Overly located?
Aaron Overly practices at 2251 N Squirrel Rd Ste 201B, Auburn Hills, MI 48326. The listed phone number is (313) 647-3900.
What is Aaron Overly's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Aaron Overly enrolled in Medicare?
Yes. Aaron Overly 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 Aaron Overly's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Overly reassigns Medicare benefits to 3 organizations: Ascension St John Hospital (Southfield, MI), Henry Ford Semi Medical Group (Novi, MI) and Port Huron Physicians Medical Group PC (Fort Gratiot, MI). 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 Aaron Overly's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Aaron Overly accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 2 other insurers list Aaron Overly 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.
Is Aaron Overly affiliated with any hospitals?
According to CMS data, Aaron Overly is affiliated with Ascension St John Hospital, Ascension Macomb Oakland Hosp-Warren Campus and Ascension Providence Rochester Hospital.
When was this NPI record last updated?
The NPPES record for Aaron Overly was last updated on September 14, 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. Aaron Overly, D.O. · NPI 1861758880
Surgery physician in Auburn Hills, Michigan. Individual provider, active in the CMS NPPES registry since April 3, 2012.
## Identity
- **NPI:** 1861758880 (Entity type: Individual)
- **Enumerated:** April 3, 2012
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** 5101019913 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 2251 N SQUIRREL RD STE 201B, Auburn Hills, MI 48326-4602
- **Phone:** (313) 647-3900
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Ascension St John Hospital (NPI 1922397058, Southfield, MI); Henry Ford Semi Medical Group (NPI 1114133485, Novi, MI); Port Huron Physicians Medical Group PC (NPI 1598141640, Fort Gratiot, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** September 14, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1861758880) · Data from the CMS NPPES public registry.