Quick answers
- Which hospitals does James S. Collison work at?
- Medicare's official clinician data lists James S. Collison at 2 hospitals: Aspirus Rhinelander Hospital and Aspirus Wausau Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James S. Collison see patients?
- Medicare's clinician data lists 9 practice locations, including Rhinelander, WI, Wittenberg, WI and Wausau, WI. Call before your visit to confirm the address.
- What is James S. Collison's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does James S. Collison accept Medicare assignment?
- Yes. Medicare's clinician data says James S. Collison 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 James S. Collison?
- (715) 361-5480, as listed in official Medicare / NPI Registry data.
- What is James S. Collison's NPI number?
- 1194734095. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James S. Collison works
Medicare's Facility Affiliation Data lists James S. Collison at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Aspirus Rhinelander HospitalRhinelander, WI · Acute Care Hospital · CCN 520019
- Aspirus Wausau HospitalWausau, WI · Acute Care Hospital · CCN 520030
Practice locations
Addresses where James S. Collison is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.
- 1630 N Chippewa DrRhinelander, WI 54501 (715) 361‑5480
- 1660 Sue Alan DrWittenberg, WI 54499 (715) 253‑2110
- 1901 Westwood Ctr BlvdWausau, WI 54401 (715) 847‑2020
- 3200 Westhill Dr, Suite 102Wausau, WI 54401 (715) 847‑2019
- 333 Pine Ridge BlvdWausau, WI 54401
Group practices
Medicare enrollment lists James S. Collison as a member of this group (CMS data updated 2026-10-02).
- Radiology Associates of Wausau SC23 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Rhinelander
Clinicians with the same Medicare primary specialty in Rhinelander, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Iowa, Rj & L Carver College Of Medicine |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194734095 |
| 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