Quick answers
- Which hospitals does Samuel L. Mortimer work at?
- Medicare's official clinician data lists Samuel L. Mortimer at 5 hospitals: Black Hills Surgical Hospital LLC, Monument Health Custer Hospital, Monument Health Spearfish Hospital, Monument Health Sturgis Hospital and Weston County Health Services. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Samuel L. Mortimer see patients?
- Medicare's clinician data lists 2 practice locations, including Spearfish, SD and Rapid City, SD. Call before your visit to confirm the address.
- What is Samuel L. Mortimer's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Samuel L. Mortimer accept Medicare assignment?
- Yes. Medicare's clinician data says Samuel L. Mortimer 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 Samuel L. Mortimer?
- (605) 791-7788, as listed in official Medicare / NPI Registry data.
- What is Samuel L. Mortimer's NPI number?
- 1073727897. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Samuel L. Mortimer works
Medicare's Facility Affiliation Data lists Samuel L. Mortimer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Black Hills Surgical Hospital LLCRapid City, SD · Acute Care Hospital · CCN 430091
- Monument Health Custer HospitalCuster, SD · Critical Access Hospital · CCN 431323
- Monument Health Spearfish HospitalSpearfish, SD · Acute Care Hospital · CCN 430048
- Monument Health Sturgis HospitalSturgis, SD · Critical Access Hospital · CCN 431321
- Weston County Health ServicesNewcastle, WY · Critical Access Hospital · CCN 531303
Practice locations
Addresses where Samuel L. Mortimer is enrolled with Medicare (CMS data updated 2026-10-02).
- 120 E Michigan StSpearfish, SD 57783 (605) 791‑7788
- 7220 Mount Rushmore RdRapid City, SD 57702 (605) 737‑9151
Group practices
Medicare enrollment lists Samuel L. Mortimer as a member of these groups (CMS data updated 2026-10-02).
- Black Hills Surgical Hospital LLC174 clinicians in the group
- Black Hills Orthopedic and Spine Center Inc72 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Spearfish
Clinicians with the same Medicare primary specialty in Spearfish, SD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Sanford School Of Medicine Of University Of South Dakota |
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1073727897 |
| 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