Meet Our Team

Mahaska Health Provider Directory – Search by Name or Specialty

Matthew Gritters, MD

Emergency Room Medical Director

Melissa Lamb, ARNP
Melissa Lamb, ARNP-BC

Allergy/ Immunology/ Pulmonology

Michael Be, DO

Hospitalist, Inpatient Medicine

Michael McCubbin, MD

Sleep Medicine Director

Mike Shaw, PA-C, MPAS

Orthopaedic Specialist, Fellowship-trained

Mollie Waller, DO

Family Practice, Obstetrics

Nathan Schneider, DO

Orthopaedic Surgeon, Orthopaedics & Sports Medicine Specialist

Neil Schwimley, DO, FAANA

Board-certified, Fellowship trained Orthopaedic Surgeon

Paul Riggs, MD, FACS
Paul Riggs, MD, FACS

General Surgeon

Preston Sereg, MD, MPH

Family Practice

Rachel Sheetz, PA-C

General Surgery

Reid P. Turner, MD

Ophthalmology

Robyn Griffiths, ARNP-C

Hospitalist, Inpatient Medicine

Roger Harvey, DO

Infectious Disease

Ryan Vincent, MD

Ophthalmology

Sameer Tapryal, MD

Hospitalist, Inpatient Medicine

Scott Truhlar, MD

Radiology

Sean Crawford, DO

Adult Family Medicine

Shane Kirkegaard, DO

Hospitalist, Inpatient Medicine

Shane Kraske, MD

Radiology

Shawn Richmond, MD
Shawn Richmond, MD

Primary Care Medical Director, Family Practice, Obstetrics

Stephen Mineart, MD
Stephen Mineart, MD

Family Practice

Tara Stout, DNP, ARNP

Family Medicine

Taylar Swartz Summers, DO, MPH

OB GYN Physician,
OB, Birthing Center & GYN Co-Medical Director

Tim Breon, MD, FACS Chief Medical Officer, General Surgeon
Tim Breon, MD, FACS

Chief Medical Officer, General Surgeon

Todd Treimer, DO

Walk-In Clinic

Tonya Horn, CPNP-PC

Pediatrics & Family Medicine

Tonya Johannes, DNP, ARNP-BC
Tonya Johannes, DNP, ARNP-BC

Family Medicine

Trish Millner, MD

Family Practice, Obstetrics,
Graduate Medical Education Director

Wendelin Kreifels, MD

Emergency Medicine