Quick answers
- Which hospitals does Thomas A. Roisum work at?
- Medicare's official clinician data lists Thomas A. Roisum at 5 hospitals: Avera St Lukes, Fairview Regional Medical Center Authority, INTEGRIS Baptist Medical Center, Inc, INTEGRIS Health Enid Hospital and St Mary's Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Thomas A. Roisum see patients?
- Medicare's clinician data lists 4 practice locations, including Enid, OK and Aberdeen, SD. Call before your visit to confirm the address.
- What is Thomas A. Roisum's specialty?
- Medicare lists Pathology as the primary specialty.
- Does Thomas A. Roisum accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas A. Roisum 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 Thomas A. Roisum?
- (580) 233-6100, as listed in official Medicare / NPI Registry data.
- What is Thomas A. Roisum's NPI number?
- 1528171964. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Thomas A. Roisum works
Medicare's Facility Affiliation Data lists Thomas A. Roisum at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Avera St LukesAberdeen, SD · Acute Care Hospital · CCN 430014
- Fairview Regional Medical Center AuthorityFairview, OK · Critical Access Hospital · CCN 371329
- INTEGRIS Baptist Medical Center, IncOklahoma City, OK · Acute Care Hospital · CCN 370028
- INTEGRIS Health Enid HospitalEnid, OK · Acute Care Hospital · CCN 370016
- St Mary's Regional Medical CenterEnid, OK · Acute Care Hospital · CCN 370026
Practice locations
Addresses where Thomas A. Roisum is enrolled with Medicare (CMS data updated 2026-10-02).
- 305 S 5th StEnid, OK 73701 (580) 233‑6100
- 305 S State StAberdeen, SD 57401
- 310 S Penn StAberdeen, SD 57401
- 600 S Monroe StEnid, OK 73701 (913) 396‑8509
Group practices
Medicare enrollment lists Thomas A. Roisum as a member of these groups (CMS data updated 2026-10-02).
- Avera St Lukes165 clinicians in the group
- Mawd Pathology Group Inc39 clinicians in the group
- Mawd Pathologists LLC28 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Oklahoma
Clinicians with the same Medicare primary specialty in Oklahoma — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of North Dakota School Of Medicine |
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1528171964 |
| 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