Quick answers
- Which hospitals does James R. Thomas work at?
- Medicare's official clinician data lists James R. Thomas at 2 hospitals: Owensboro Health Muhlenberg Community Hospital and Owensboro Health Regional Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James R. Thomas see patients?
- Medicare's clinician data lists 6 practice locations, including Owensboro, KY, Powderly, KY and Greenville, KY. Call before your visit to confirm the address.
- What is James R. Thomas's specialty?
- Medicare lists Hematology/Oncology as the primary specialty.
- Does James R. Thomas accept Medicare assignment?
- Yes. Medicare's clinician data says James R. 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 James R. Thomas?
- (270) 377-2600, as listed in official Medicare / NPI Registry data.
- What is James R. Thomas's NPI number?
- 1578566410. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James R. Thomas works
Medicare's Facility Affiliation Data lists James R. Thomas at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Owensboro Health Muhlenberg Community HospitalGreenville, KY · Acute Care Hospital · CCN 180004
- Owensboro Health Regional HospitalOwensboro, KY · Acute Care Hospital · CCN 180038
Practice locations
Addresses where James R. Thomas is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1000 Breckenridge StOwensboro, KY 42303
- 1201 Pleasant Valley RdOwensboro, KY 42303
- 2025 W Everly Brothers Blvd, Suite 1aPowderly, KY 42367 (270) 377‑2600
- 2211 Mayfair DrOwensboro, KY 42301
- 420 Hopkinsville StGreenville, KY 42345 (270) 377‑2440
Group practices
Medicare enrollment lists James R. Thomas as a member of this group (CMS data updated 2026-10-02).
- Owensboro Health Medical Group Inc453 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Owensboro
Clinicians with the same Medicare primary specialty in Owensboro, KY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Tennessee, Hsc, College Of Medicine |
| Graduation year | 1985 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1578566410 |
| 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