MARC CHRISTIAN THORNE M.D.
NPI 1881893048
Otolaryngology - Pediatric Otolaryngology in Ann Arbor, MI
About Marc Christian Thorne M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARC CHRISTIAN THORNE M.D. (NPI 1881893048) is an individual pediatric otolaryngology provider in Ann Arbor, Michigan, licensed in Michigan (4301078164) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS.
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 (PECOS)
Marc Christian Thorne M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Marc Thorne reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ann Arbor, MI 48109
- Reassigned Medicare billing, Michigan enrollment
- 85 clinicians in this Medicare group
Waterford, MI 48328
- Reassigned Medicare billing, Michigan enrollment
- 139 clinicians in this Medicare group
Mason, MI 48854
- Reassigned Medicare billing, Michigan enrollment
- 916 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.
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.
ANN ARBOR, MI 48109
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 Marc Thorne's NPI number?
The NPI number for Marc Thorne is 1881893048. It was assigned to this individual provider in the NPPES registry on July 17, 2007.
Where is Marc Thorne located?
Marc Thorne practices at 1500 East Medical Center Drive 1st Floor Taubman Ctr Recp A, Ann Arbor, MI 48109. The listed phone number is (734) 936-8051.
What is Marc Thorne's specialty?
The primary specialty registered for this NPI is Otolaryngology, specializing in Pediatric Otolaryngology, with taxonomy code 207YP0228X.
Is Marc Thorne enrolled in Medicare?
Yes. Marc Thorne is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Marc Thorne's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marc Thorne reassigns Medicare benefits to 3 organizations: Regents Of The University Of Michigan (Ann Arbor, MI), Sjmh Medical Practice-Smhc (Waterford, MI) and Edward W. Sparrow Hospital Association (Mason, 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 Marc Thorne's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marc Thorne 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 Marc Thorne 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.
When was this NPI record last updated?
The NPPES record for Marc Thorne was last updated on August 6, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Marc Christian Thorne, M.D. · NPI 1881893048
Pediatric Otolaryngology physician in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since July 17, 2007.
## Identity
- **NPI:** 1881893048 (Entity type: Individual)
- **Enumerated:** July 17, 2007
- **Primary specialty:** Otolaryngology - Pediatric Otolaryngology · taxonomy 207YP0228X
- **State license:** 4301078164 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 EAST MEDICAL CENTER DRIVE, 1ST FLOOR TAUBMAN CTR RECP A, Ann Arbor, MI 48109-5312
- **Phone:** (734) 936-8051
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Regents Of The University Of Michigan (NPI 1033133525, Ann Arbor, MI); Sjmh Medical Practice-Smhc (NPI 1366644551, Waterford, MI); Edward W. Sparrow Hospital Association (NPI 1689683641, Mason, MI) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 6, 2008
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Source: [NPI Profile](https://npiprofile.com/npi/1881893048) · Data from the CMS NPPES public registry.