Quick answers
- Does Timothy Gilligan accept Medicare assignment?
- Yes. Medicare's clinician data says Timothy Gilligan 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.
- What is Timothy Gilligan's NPI number?
- 1891216594. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Timothy Gilligan works
Medicare's Facility Affiliation Data lists Timothy Gilligan 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.
- Monument Health Rapid City HospitalRapid City, SD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 430077
Practice locations
Addresses where Timothy Gilligan is enrolled with Medicare (CMS data updated October 2, 2026).
- 2500 Fairway StDickinson, ND 58601 (701) 456‑4000
- 353 Fairmont BlvdRapid City, SD 57701 (605) 755‑8109
Group practices
Medicare enrollment lists Timothy Gilligan as a member of these groups (CMS data updated October 2, 2026).
- Monument Health Rapid City Hospital Inc564 clinicians in the group
- St. Joseph's Hospital and Health Center157 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Dickinson
Clinicians with the same Medicare primary specialty in Dickinson, ND — not a recommendation.
Other clinicians in Monument Health Rapid City Hospital Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Edward Via Col Of Osteo Medicine-Virginia Campus |
| Graduation year | 2017 (9 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891216594 |
| 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
- 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