Quick answers
- Which hospitals does Thomas Callister work at?
- Medicare's official clinician data lists Thomas Callister at 1 hospital: Renown Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Thomas Callister see patients?
- Medicare's clinician data lists 1 practice location in Reno, NV. Call before your visit to confirm the address.
- What is Thomas Callister's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Thomas Callister accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas Callister 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 Callister?
- (775) 982-4000, as listed in official Medicare / NPI Registry data.
- What is Thomas Callister's NPI number?
- 1124011705. 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 Callister works
Medicare's Facility Affiliation Data lists Thomas Callister at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Renown Regional Medical CenterReno, NV · Acute Care Hospital · CCN 290001
Practice locations
Addresses where Thomas Callister is enrolled with Medicare (CMS data updated 2026-10-02).
- 1155 Mill StReno, NV 89502 (775) 982‑4000
Group practices
Medicare enrollment lists Thomas Callister as a member of this group (CMS data updated 2026-10-02).
- Community Care Services LLC641 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Reno
Clinicians with the same Medicare primary specialty in Reno, NV — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Utah School Of Medicine |
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1124011705 |
| 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