Quick answers
- Which hospitals does Michael J. Thomas work at?
- Medicare's official clinician data lists Michael J. Thomas at 2 hospitals: Ascension St Vincent Evansville and Ascension St Vincent Warrick. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael J. Thomas see patients?
- Medicare's clinician data lists 3 practice locations, including Evansville, IN. Call before your visit to confirm the address.
- What is Michael J. Thomas's specialty?
- Medicare lists Cardiac Surgery as the primary specialty, and also Thoracic Surgery.
- Does Michael J. Thomas accept Medicare assignment?
- Yes. Medicare's clinician data says Michael J. Thomas accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Michael J. Thomas?
- (812) 491-3236, as listed in official Medicare / NPI Registry data.
- What is Michael J. Thomas's NPI number?
- 1386872307. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael J. Thomas works
Medicare's Facility Affiliation Data lists Michael J. Thomas at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension St Vincent EvansvilleEvansville, IN · Acute Care Hospital · CCN 150100
- Ascension St Vincent WarrickBoonville, IN · Critical Access Hospital · CCN 151325
Practice locations
Addresses where Michael J. Thomas is enrolled with Medicare (CMS data updated 2026-10-02).
- 3700 Washington AveEvansville, IN 47714
- 801 Saint Marys Dr, 505eEvansville, IN 47714 (812) 491‑3236
- 901 Saint Marys Dr, Suite 300Evansville, IN 47714 (812) 473‑2642
Group practices
Medicare enrollment lists Michael J. Thomas as a member of this group (CMS data updated 2026-10-02).
- St Marys Medical Group LLC228 clinicians in the group
Specialties
- Cardiac Surgeryprimary
- Thoracic Surgeryalso
Other cardiac surgeons in Indiana
Clinicians with the same Medicare primary specialty in Indiana — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Southern Illinois University School Of Medicine |
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1386872307 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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