THERESA M THOMAS D.O.
NPI 1407977200
Family Medicine in Clarkston, MI
About Theresa M Thomas D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THERESA M THOMAS D.O. (NPI 1407977200) is an individual family medicine provider in Clarkston, Michigan, licensed in Michigan (5101016607) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS, is affiliated with Trinity Health Oakland Hospital, and is a graduate of Michigan State University College Of Osteopathic Medicine (2005).
NPPES Registry Identity
Specialties & Licenses
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
Theresa M Thomas 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
2Medicare enrollment records show Theresa Thomas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Burton, MI 48519
- Reassigned Medicare billing, Michigan enrollment
- 66 clinicians in this Medicare group
Burton, MI 48519
- Reassigned Medicare billing, Michigan enrollment
- 98 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 11
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.
Trinity Health Oakland Hospital
Acute Care Hospitals · Pontiac, MIHenry Ford Health Hospital
Acute Care Hospitals · Detroit, MIAscension Genesys Hospital
Acute Care Hospitals · Grand Blanc, MIMclaren Oakland
Acute Care Hospitals · Pontiac, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48346 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 4
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 4
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 Theresa Thomas's NPI number?
The NPI number for Theresa Thomas is 1407977200. It was assigned to this individual provider in the NPPES registry on April 2, 2007.
Where is Theresa Thomas located?
Theresa Thomas practices at 5900 Waldon Rd, Clarkston, MI 48346. The listed phone number is (248) 625-1058.
What is Theresa Thomas's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Theresa Thomas enrolled in Medicare?
Yes. Theresa Thomas 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 Theresa Thomas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Theresa Thomas reassigns Medicare benefits to 2 organizations: Genesys Pho LLC (Burton, MI) and Henry Ford Medical Group Genesys (Burton, 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 Theresa Thomas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Theresa Thomas accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Theresa Thomas 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 Theresa Thomas affiliated with any hospitals?
According to CMS data, Theresa Thomas is affiliated with Trinity Health Oakland Hospital, Henry Ford Health Hospital, Ascension Genesys Hospital and Mclaren Oakland.
When was this NPI record last updated?
The NPPES record for Theresa Thomas was last updated on January 21, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.