Quick answers
- Does Nicholas L. Tolsma accept Medicare assignment?
- Yes. Medicare's clinician data says Nicholas L. Tolsma 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.
- How many Medicare patients does Nicholas L. Tolsma see?
- In 2024, CMS data shows 342 Original Medicare patients and 11,774 services for Nicholas L. Tolsma. This counts Original Medicare only and measures volume, not quality.
- What is Nicholas L. Tolsma's NPI number?
- 1669891412. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Nicholas L. Tolsma, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 342 |
|---|---|
| Services billed to Medicare | 11,774 |
| Different services or procedures | 62 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, methylprednisolone acetate, 1 mg (J1010)10,440 services
- Aspiration and/or injection of fluid from large joint (20610)155 services
- X-ray of shoulder, minimum of 2 views (73030)125 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)122 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)95 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- Arthritis75%
- High blood pressure68%
- High cholesterol67%
- Osteoporosis22%
- Diabetes19%
- Anxiety19%
Hospitals where Nicholas L. Tolsma works
Medicare's Facility Affiliation Data lists Nicholas L. Tolsma 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.
- Black Hills Surgical Hospital LLCRapid City, SD · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 430091
- Fall River Hospital - CAHHot Springs, SD · Critical Access Hospital · Emergency services: listed by Medicare · CCN 431322
- Hans P Peterson Memorial Hospital - CAHPhilip, SD · Critical Access Hospital · Emergency services: listed by Medicare · CCN 431319
- Monument Health Custer HospitalCuster, SD · Critical Access Hospital · Emergency services: listed by Medicare · CCN 431323
- 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 Nicholas L. Tolsma is enrolled with Medicare (CMS data updated October 2, 2026).
- 216 Anamaria DrRapid City, SD 57701
- 353 Fairmont BlvdRapid City, SD 57701
- 4141 5th StRapid City, SD 57701 (605) 341‑1414
- 503 W Pine StPhilip, SD 57567 (605) 721‑4800
- 7220 Mount Rushmore RdRapid City, SD 57702 (605) 737‑9151
Group practices
Medicare enrollment lists Nicholas L. Tolsma as a member of these groups (CMS data updated October 2, 2026).
- Monument Health Rapid City Hospital Inc564 clinicians in the group
- Black Hills Surgical Hospital LLC174 clinicians in the group
- Black Hills Orthopedic and Spine Center Inc72 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Rapid City
Clinicians with the same Medicare primary specialty in Rapid City, SD — 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 | PA |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1669891412 |
| 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
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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