Quick answers
- Which hospitals does James L. Deterding work at?
- Medicare's official clinician data lists James L. Deterding at 5 hospitals: Aspirus Rhinelander Hospital, Aspirus Riverview Hospital & Clinics Inc, Aspirus Stevens Point Hospital & Clinics, Inc., Aspirus Tomahawk Hospital and Aspirus Wausau Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James L. Deterding see patients?
- Medicare's clinician data lists 2 practice locations, including Wausau, WI and Stevens Point, WI. Call before your visit to confirm the address.
- What is James L. Deterding's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Nephrology.
- Does James L. Deterding accept Medicare assignment?
- Yes. Medicare's clinician data says James L. Deterding 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 L. Deterding?
- (715) 847-2019, as listed in official Medicare / NPI Registry data.
- What is James L. Deterding's NPI number?
- 1396785994. 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 L. Deterding works
Medicare's Facility Affiliation Data lists James L. Deterding 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 Riverview Hospital & Clinics IncWisconsin Rapids, WI · Acute Care Hospital · CCN 520033
- Aspirus Stevens Point Hospital & Clinics, Inc.Stevens Point, WI · Acute Care Hospital · CCN 520002
- Aspirus Tomahawk HospitalTomahawk, WI · Critical Access Hospital · CCN 521313
- Aspirus Wausau HospitalWausau, WI · Acute Care Hospital · CCN 520030
Practice locations
Addresses where James L. Deterding is enrolled with Medicare (CMS data updated 2026-10-02).
- 3200 Westhill Dr, Suite 102Wausau, WI 54401 (715) 847‑2019
- 824 Illinois AveStevens Point, WI 54481 (715) 344‑1600
Group practices
Medicare enrollment lists James L. Deterding as a member of these groups (CMS data updated 2026-10-02).
- Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc.574 clinicians in the group
- Aspirus Medical Group, Inc.268 clinicians in the group
Specialties
- Internal Medicineprimary
- Nephrologyalso
Other internal medicine doctors in Wausau
Clinicians with the same Medicare primary specialty in Wausau, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Nebraska College Of Medicine |
| Graduation year | 1979 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1396785994 |
| 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