Clinicians affiliated with Avera Gregory Hospital

Critical Access Hospitals · Voluntary non-profit - Private · 110 S Logan Ave, Gregory, SD 57533 · CCN 431338

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

48 clinicians affiliated with Avera Gregory Hospital are in the 2024 Medicare Part B data (49 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 (9) · Family Practice (8) · Hematology-Oncology (5) · Physician Assistant (5) · General Surgery (4) · Diagnostic Radiology (3) · Emergency Medicine (2) · Urology (2) · Certified Registered Nurse Anesthetist (CRNA) (1) · Interventional Cardiology (1) · Nephrology (1) · Neurosurgery (1) · Obstetrics & Gynecology (1) · Orthopedic Surgery (1) · Otolaryngology (1) · Podiatry (1) · Sports Medicine (1) · Vascular Surgery (1)

Clinicians affiliated with Avera Gregory Hospital, 2024

Alphabetical by last name; 48.

NameSpecialtyCity
Katrina Almeida, D.P.M.PodiatryDes Moines, IA
Jada L Bakker, CNPNurse PractitionerSioux Falls, SD
Melissa Bartling, M.D.Family PracticeGregory, SD
Kelsey M Bender, PHYSICIAN ASSISTANTPhysician AssistantMitchell, SD
Jeffrey W Boyle, MD/PHDNeurosurgerySioux Falls, SD
Kevin B Bray, MDObstetrics & GynecologyYankton, SD
Jonathan Buchanan, MDSports MedicineSioux Falls, SD
Bishan Chakravarty, M.D.NephrologyFarmington, MO
Richard L Endorf, M.D.Diagnostic RadiologyRock Springs, WY
Lisa A Even, M.D.Family PracticeGregory, SD
Melissa A Fullner-Marshall, PAPhysician AssistantYankton, SD
Kelli L Greenfield, CNPNurse PractitionerSioux Falls, SD
Regg A Hagge, MDFamily PracticeKemmerer, WY
Nicholas J Harms, M.D.General SurgeryWatertown, SD
Megan J Heyden, CNPNurse PractitionerGregory, SD
Alexandra HigginsHematology-OncologyRochester, MN
Susan M Hogue, C.N.PNurse PractitionerGregory, SD
Waqas Jehangir, MD, MBBSHematology-OncologySioux Falls, SD
Jason M Jones, MDHematology-OncologyCincinnati, OH
Amy S Juracek, CNPNurse PractitionerBurke, SD
Richard L Kafka, M.D.Family PracticeGregory, SD
Philip R Kilmer, M.D.Emergency MedicineGregory, SD
Megan B Knoll, PA-CPhysician AssistantGregory, SD
Chris C Krouse, DOOrthopedic SurgeryMitchell, SD
Dennis G Leland, MDGeneral SurgeryMitchell, SD
Rachele J Lyons, CNPNurse PractitionerGregory, SD
Tarek H Mahrous, MDInterventional CardiologySioux Falls, SD
Teresa A Marts, M.D.Family PracticeWinner, SD
Timothy A Mikesell, M.D.Diagnostic RadiologySpringfield, IL
Lucas J Mikkelsen, PA-CPhysician AssistantSioux Falls, SD
Kaylyn J Miller, CNPNurse PractitionerWinner, SD
Arthur Moeller, D.O.OtolaryngologyMadison Heights, MI
Melissa Nietert, AGPCNP-BCNurse PractitionerChicago, IL
Gregory K NissenVascular SurgerySioux Falls, SD
Xenofon Papadopoulos, M.D.UrologyMitchell, SD
Leah Prestbo, M.D.Family PracticeSioux Falls, SD
Amelia K Rew, PA-CPhysician AssistantMitchell, SD
Andrew Y Reynolds, MDGeneral SurgeryMitchell, SD
April J Schnieder, CNPNurse PractitionerSioux Falls, SD
Megan M Smith, M.D.Family PracticeBurke, SD
Daniel L Stanton, M.D.Diagnostic RadiologySpringfield, IL
Hau V Tran, DOFamily PracticePlatte, SD
Shristi Upadhyay Banskota, MDHematology-OncologySioux Falls, SD
Nathan P Vakharia, MDEmergency MedicineNiagara, WI
Mary Lee H Villanueva, MDHematology-OncologyYankton, SD
Christopher Vogl, M.D.General SurgeryDes Moines, IA
Joseph Werner, CRNACertified Registered Nurse Anesthetist (CRNA)Rapid City, SD
Joseph O Wyatt, MDUrologyPierre, 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