Quick answers
- Which hospitals does Derrick R. Siebert work at?
- Medicare's official clinician data lists Derrick R. Siebert at 5 hospitals: Aspirus Medford Hospital & Clinics, Inc, Aspirus Rhinelander Hospital, Aspirus Riverview Hospital & Clinics Inc, Aspirus Wausau Hospital and Howard Young Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Derrick R. Siebert see patients?
- Medicare's clinician data lists 19 practice locations, including Antigo, WI, Medford, WI and Rhinelander, WI. Call before your visit to confirm the address.
- What is Derrick R. Siebert's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Derrick R. Siebert accept Medicare assignment?
- Yes. Medicare's clinician data says Derrick R. Siebert 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 Derrick R. Siebert?
- (715) 847-2019, as listed in official Medicare / NPI Registry data.
- What is Derrick R. Siebert's NPI number?
- 1063674224. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Derrick R. Siebert works
Medicare's Facility Affiliation Data lists Derrick R. Siebert at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Aspirus Medford Hospital & Clinics, IncMedford, WI · Critical Access Hospital · CCN 521324
- Aspirus Rhinelander HospitalRhinelander, WI · Acute Care Hospital · CCN 520019
- Aspirus Riverview Hospital & Clinics IncWisconsin Rapids, WI · Acute Care Hospital · CCN 520033
- Aspirus Wausau HospitalWausau, WI · Acute Care Hospital · CCN 520030
- Howard Young Medical CenterWoodruff, WI · Acute Care Hospital · CCN 520091
Practice locations
Addresses where Derrick R. Siebert is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 19; the Medicare profile lists all.
- 110 E 5th AveAntigo, WI 54409 (715) 847‑2019
- 112 E 5th AveAntigo, WI 54409 (715) 623‑2331
- 135 S Gibson StMedford, WI 54451 (715) 748‑8100
- 1630 N Chippewa DrRhinelander, WI 54501 (715) 361‑5480
- 1660 Sue Alan DrWittenberg, WI 54499 (715) 253‑2110
Group practices
Medicare enrollment lists Derrick R. Siebert 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 Antigo
Clinicians with the same Medicare primary specialty in Antigo, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1063674224 |
| 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