Clinicians affiliated with Pioneer Memorial Hospital - Cah

Critical Access Hospitals · Voluntary non-profit - Private · 315 N Washington Ave Post Office Box 368, Viborg, SD 57070 · Sioux Falls, SD-MN · CCN 431328

Affiliation snapshotNovember 2, 2026CMS Doctors and Clinicians Facility Affiliation file, current snapshot (no end-of-2024 archive), applied to 2024
Activity year2024Medicare Part B claims, Original Medicare fee-for-service

11 clinicians affiliated with Pioneer Memorial Hospital - Cah are in the 2024 Medicare Part B data (15 listed in the affiliation file).

Each clinician's exact figures are in their Physician Report, from their page. View sample report · Already purchased? Open your report (earlier Local report and passes)

Affiliated clinicians by specialty, 2024

All specialties · Nurse Practitioner (5) · Family Practice (2) · Cardiology (1) · General Surgery (1) · Orthopedic Surgery (1) · Podiatry (1)

Clinicians affiliated with Pioneer Memorial Hospital - Cah, 2024

Alphabetical by last name; 11.

NameSpecialtyCity
Meggan Crisp, BSN, RN, MSN, FNP-CNurse PractitionerSioux Falls, SD
Chelsea A Dewaard, DNP, NP-CNurse PractitionerSioux Falls, SD
Thomas H Flesher, M.D.Orthopedic SurgerySioux Falls, SD
Gabriel D Johnson, D.OFamily PracticeViborg, SD
Alex Kalsbeck, CNPNurse PractitionerViborg, SD
Victoria Matteson, CNPNurse PractitionerParker, SD
Kayla M Mehlhaf, CNPNurse PractitionerViborg, SD
Naveen Rajpurohit, M.D.CardiologySioux Falls, SD
Darrel Richards, DPMPodiatrySioux Falls, SD
Melody A Shrack, M.D.Family PracticeViborg, SD
Matthew J Sorrell, MDGeneral SurgerySioux Falls, SD

Affiliation comes from the CMS Doctors and Clinicians Facility Affiliation file, hospital rows only; name, address and type from the CMS Hospital General Information file. CMS does not publish an end-of-year archive of the affiliation file, so the current snapshot is applied to the latest data year. A clinician listed with several hospitals or groups appears on each of their pages. How hospital pages are built