Quick answers
- Does Theresa M. Thomas accept Medicare assignment?
- Yes. Medicare's clinician data says Theresa M. Thomas accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Theresa M. Thomas see?
- In 2024, CMS data shows 119 Original Medicare patients and 3,209 services for Theresa M. Thomas. This counts Original Medicare only and measures volume, not quality.
- What is Theresa M. Thomas's NPI number?
- 1407977200. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Theresa M. Thomas, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 119 |
|---|---|
| Services billed to Medicare | 3,209 |
| Different services or procedures | 43 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, methylprednisolone acetate, 1 mg (J1010)2,201 services
- Insertion of needle into vein for collection of blood sample (36415)198 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)196 services
- Injection of drug or substance under skin or into muscle (96372)120 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)91 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis45%
- Diabetes29%
- Ischemic heart disease29%
- Chronic kidney disease29%
Hospitals where Theresa M. Thomas works
Medicare's Facility Affiliation Data lists Theresa M. Thomas at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Ascension Genesys HospitalGrand Blanc, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230197
- Henry Ford Health HospitalDetroit, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230053
- McLaren OaklandPontiac, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 230207
- Trinity Health Oakland HospitalPontiac, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 230029
Practice locations
Addresses where Theresa M. Thomas is enrolled with Medicare (CMS data updated October 2, 2026).
- 5900 Waldon RdClarkston, MI 48346 (248) 625‑1058
Group practices
Medicare enrollment lists Theresa M. Thomas as a member of this group (CMS data updated October 2, 2026).
- Henry Ford Medical Group Genesys97 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Clarkston
Clinicians with the same Medicare primary specialty in Clarkston, MI — not a recommendation.
Other clinicians in Henry Ford Medical Group Genesys
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Michigan State University College Of Osteopathic Medicine |
| Graduation year | 2005 (21 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407977200 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians