DR. THOMAS V O'HAGAN M.D.
NPI 1124273958
Orthopaedic Surgery - Sports Medicine in Traverse City, MI
About Dr. Thomas V O'hagan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THOMAS V O'HAGAN M.D. (NPI 1124273958) is an individual sports medicine provider in Traverse City, Michigan, licensed in Michigan (4301103987) and active in the NPI registry since November 2008. He is enrolled in Medicare PECOS, is affiliated with Munson Medical Center, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
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. Thomas V O'hagan 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 Reassignments
5Medicare enrollment records show Thomas O'hagan reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Traverse City, MI 49684
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: Great Lakes Orthopaedic Center PC
- 28 clinicians in this Medicare group
Traverse City, MI 49684
- Reassigned Medicare billing, Michigan enrollment
- 492 clinicians in this Medicare group
Traverse City, MI 49684
- Reassigned Medicare billing, Michigan enrollment
- 156 clinicians in this Medicare group
Kalkaska, MI 49646
- Reassigned Medicare billing, Michigan enrollment
- 90 clinicians in this Medicare group
Muskegon, MI 49444
- Reassigned Medicare billing, Michigan enrollment
- 79 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 17
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Munson Medical Center
Acute Care Hospitals · Traverse City, MIPaul Oliver Memorial Hospital
Critical Access Hospitals · Frankfort, MIKalkaska Memorial Health Center
Critical Access Hospitals · Kalkaska, MICharlevoix Area Hospital
Critical Access Hospitals · Charlevoix, MIReferred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
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 Thomas O'hagan's NPI number?
The NPI number for Thomas O'hagan is 1124273958. It was assigned to this individual provider in the NPPES registry on November 20, 2008.
Where is Thomas O'hagan located?
Thomas O'hagan practices at 4045 W Royal Dr, Traverse City, MI 49684. The listed phone number is (231) 935-0900.
What is Thomas O'hagan's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Sports Medicine, with taxonomy code 207XX0005X.
Is Thomas O'hagan enrolled in Medicare?
Yes. Thomas O'hagan 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 Thomas O'hagan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas O'hagan reassigns Medicare benefits to 5 organizations: Great Lakes Orthopaedic Center, P.C. (Traverse City, MI), Munson Medical Center (Traverse City, MI), Munson Healthcare Cadillac (Traverse City, MI), Kalkaska Memorial Health Center (Kalkaska, MI) and Orthopaedic Associates Of Muskegon, PC (Muskegon, 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 Thomas O'hagan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas O'hagan accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Thomas O'hagan 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 Thomas O'hagan affiliated with any hospitals?
According to CMS data, Thomas O'hagan is affiliated with Munson Medical Center, Paul Oliver Memorial Hospital, Kalkaska Memorial Health Center and Charlevoix Area Hospital.
When was this NPI record last updated?
The NPPES record for Thomas O'hagan was last updated on December 1, 2022. 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.