Quick answers
- Which hospitals does Matthew C. Reynen work at?
- Medicare's official clinician data lists Matthew C. Reynen at 1 hospital: Avera St Lukes. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Matthew C. Reynen see patients?
- Medicare's clinician data lists 4 practice locations, including Aberdeen, SD, Groton, SD and Waubay, SD. Call before your visit to confirm the address.
- What is Matthew C. Reynen's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Matthew C. Reynen accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew C. Reynen 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. Reynen?
- (605) 397-4242, as listed in official Medicare / NPI Registry data.
- What is Matthew C. Reynen's NPI number?
- 1245236785. 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. Reynen works
Medicare's Facility Affiliation Data lists Matthew C. Reynen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Avera St LukesAberdeen, SD · Acute Care Hospital · CCN 430014
Practice locations
Addresses where Matthew C. Reynen is enrolled with Medicare (CMS data updated 2026-10-02).
- 305 S State StAberdeen, SD 57401
- 701 8th Ave NWAberdeen, SD 57401
- 8 E US Hwy 12Groton, SD 57445 (605) 397‑4242
- 80 N Main StWaubay, SD 57273 (605) 622‑2573
Group practices
Medicare enrollment lists Matthew C. Reynen as a member of this group (CMS data updated 2026-10-02).
- Avera St Lukes165 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Aberdeen
Clinicians with the same Medicare primary specialty in Aberdeen, SD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Sanford School Of Medicine Of University Of South Dakota |
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1245236785 |
| 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