Quick answers
- Does Colin W. Fennell accept Medicare assignment?
- Yes. Medicare's clinician data says Colin W. Fennell 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 Colin W. Fennell see?
- In 2024, CMS data shows 63 Original Medicare patients and 244 services for Colin W. Fennell. This counts Original Medicare only and measures volume, not quality.
- What is Colin W. Fennell's NPI number?
- 1356313480. 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 Colin W. Fennell, 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 | 63 |
|---|---|
| Services billed to Medicare | 244 |
| Different services or procedures | 30 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)33 services
- Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg (J0702)24 services
- X-ray of shoulder, minimum of 2 views (73030)19 services
- Prosthetic repair of shoulder joint, total shoulder (23472)14 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)14 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 cholesterol73%
- High blood pressure68%
- Diabetes33%
- Chronic kidney disease29%
- Ischemic heart disease27%
Hospitals where Colin W. Fennell works
Medicare's Facility Affiliation Data lists Colin W. Fennell 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.
- Riverview HospitalCrookston, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241320
- Sanford Thief River Falls Medical CenterThief River Falls, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241381
Practice locations
Addresses where Colin W. Fennell is enrolled with Medicare (CMS data updated October 2, 2026).
- 1140 Vanrooy DrThief River Falls, MN 56701 (218) 281‑9200
Group practices
Medicare enrollment lists Colin W. Fennell as a member of this group (CMS data updated October 2, 2026).
- Riverview Healthcare Association47 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
- Hand Surgeryalso
Other orthopedic surgeons in Minnesota
Clinicians with the same Medicare primary specialty in Minnesota — not a recommendation.
Other clinicians in Riverview Healthcare Association
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1981 (45 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356313480 |
| 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