MARY AGNES HUNTER M.D.
NPI 1740668474
Surgery - Surgical Critical Care in Ann Arbor, MI
About Mary Agnes Hunter M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY AGNES HUNTER M.D. (NPI 1740668474) is an individual surgical critical care provider in Ann Arbor, Michigan, licensed in Michigan (4301509194) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS, is affiliated with University Of Michigan Health System, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Locations 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
Mary Agnes Hunter 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 Reassignment
Medicare enrollment records show Mary Hunter reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Ann Arbor, MI 48109
- Reassigned Medicare billing, Michigan enrollment
- 2,377 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 3
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Michigan Health System
Acute Care Hospitals · Ann Arbor, MIOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
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 Mary Hunter's NPI number?
The NPI number for Mary Hunter is 1740668474. It was assigned to this individual provider in the NPPES registry on May 14, 2015. The provider is also known as Mary Agnes Palilonis MD.
Where is Mary Hunter located?
Mary Hunter practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The listed phone number is (734) 647-5299.
What is Mary Hunter's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Surgical Critical Care, with taxonomy code 2086S0102X.
Is Mary Hunter enrolled in Medicare?
Yes. Mary Hunter 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 organization bills Medicare for Mary Hunter's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Hunter reassigns Medicare benefits to Regents Of The University Of Michigan (Ann Arbor, MI). 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 Mary Hunter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Hunter 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 1 other insurer list Mary Hunter 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 Mary Hunter affiliated with any hospitals?
According to CMS data, Mary Hunter is affiliated with University Of Michigan Health System.
When was this NPI record last updated?
The NPPES record for Mary Hunter was last updated on August 21, 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.
# Mary Agnes Hunter, M.D. · NPI 1740668474
Surgical Critical Care physician in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since May 14, 2015.
## Identity
- **NPI:** 1740668474 (Entity type: Individual)
- **Enumerated:** May 14, 2015
- **Primary specialty:** Surgery - Surgical Critical Care · taxonomy 2086S0102X
- **State license:** 4301509194 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 E MEDICAL CENTER DR, Ann Arbor, MI 48109-5000
- **Phone:** (734) 647-5299
## 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:** Regents Of The University Of Michigan (NPI 1003848144, Ann Arbor, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Wake Forest University School Of Medicine, class of 2015
## Record status
- **NPPES last updated:** August 21, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1740668474) · Data from the CMS NPPES public registry.