Malinda Bragg, RN

Cardiopulmonary Services

Physical Therapy

Dave Vanderhoff, PT, DPT is a licensed Physical Therapist at Mahaska Health. Dave earned his Doctor of Physical Therapy degree from Des Moines University. He earned his Master of Science in Physical Therapy from Des Moines University and completed his Bachelor of Science in Athletic Training at South Dakota State University. Dave brings more than…

Scotlan Peterson, MSN, CNM, ARNP is a Certified Nurse Midwife who provides comprehensive obstetric and women’s health care. She earned her Master of Science in Nursing from Frontier Nursing University and completed her midwifery training with UnityPoint Midwife Services. Scotlan is board certified through the American Midwifery Board Certification. Before becoming a Certified Nurse Midwife,…

Cardiology & EP Cardiology (Cardiac Electrophysiology)

Kofi Osei, MD, MSc is board-certified in Cardiovascular Disease and Clinical Cardiac Electrophysiology. He provides expert care for conditions including heart failure, hypertension, arrhythmias, coronary artery disease, and complex cardiac health needs. Dr. Osei earned his medical degree from the University of Ghana Medical School and completed his residency in Internal Medicine at St. Vincent’s…

Hospitalist, Inpatient Medicine

Ronald Collins, MD is a board-certified Hospitalist at Mahaska Health specializing in Internal Medicine. He earned his Doctor of Medicine at Ross University School of Medicine in Iselin, New Jersey and completed his Internal Medicine residency at the University of Illinois College of Medicine, Peoria OSF-Saint Francis Medical Center in Peoria, Illinois. He brings extensive…