Quick answers
- Which hospitals does Matthew C. Niesen work at?
- Medicare's official clinician data lists Matthew C. Niesen at 5 hospitals: Columbus Community Hospital, Marshfield Medical Center - Beaver Dam (MMC-BD), Reedsburg Area Medical Center, SSM Health St Clare Hospital - Baraboo and Stoughton Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Matthew C. Niesen see patients?
- Medicare's clinician data lists 1 practice location in Reedsburg, WI. Call before your visit to confirm the address.
- What is Matthew C. Niesen's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Matthew C. Niesen accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew C. Niesen 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 Matthew C. Niesen?
- (608) 524-6487, as listed in official Medicare / NPI Registry data.
- What is Matthew C. Niesen's NPI number?
- 1033349840. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Matthew C. Niesen works
Medicare's Facility Affiliation Data lists Matthew C. Niesen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Columbus Community HospitalColumbus, WI · Critical Access Hospital · CCN 521338
- Marshfield Medical Center - Beaver Dam (MMC-BD)Beaver Dam, WI · Acute Care Hospital · CCN 520076
- Reedsburg Area Medical CenterReedsburg, WI · Critical Access Hospital · CCN 521351
- SSM Health St Clare Hospital - BarabooBaraboo, WI · Acute Care Hospital · CCN 520057
- Stoughton HospitalStoughton, WI · Critical Access Hospital · CCN 521343
Practice locations
Addresses where Matthew C. Niesen is enrolled with Medicare (CMS data updated 2026-10-02).
- 2000 N Dewey AveReedsburg, WI 53959 (608) 524‑6487
Group practices
Medicare enrollment lists Matthew C. Niesen as a member of this group (CMS data updated 2026-10-02).
- Reedsburg Area Medical Center Inc59 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Wisconsin School Of Medicine |
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033349840 |
| 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