Leah VanLoon ARNP Joins Primary Care Team

Family Practice & Walk-In Clinic

  Leah VanLoon, ARNP serves as a provider for the Walk-In and Primary Care clinics at Mahaska Health. VanLoon is from the Eddyville area joined Mahaska Health with 16 years of prior nursing experience, most recently having worked as a Nursing Supervisor at ChildServe in Johnston, Iowa. She began her nursing education at Indian Hills…

Michael Johnston, PA-C

With over 30 years of orthopaedic experience, Michael Johnston enjoys coming into work each day knowing that he is improving the lives of his patients and getting them back to what they love to do. As a child, Johnston’s neighbor who was the Chief of Surgery at the VA Medical Center in Des Moines showed…

Mark Zacharjasz, MD

Family Practice, Hospice

Dr. Mark Zacharjasz chose a career in family medicine due to his love of helping people and science. At Mahaska Health, Dr. Zacharjasz believes in offering his patients the best possible treatments and advice while upholding their values and autonomy. He accomplishes this by understanding each patient as a whole through the context of their…

Arthur Zacharjasz, ARNP-BC

Walk In Clinic & Allergy, Immunology, Pulmonology

Arthur grew up in Illinois and spent the last 5 years as an intensive care unit nurse at Northwestern Memorial Hospital in Chicago. Arthur graduated with honors from DePaul University with a Master of Science in nursing and went on to earn his Advanced Registered Nurse Practitioner license from North Park University School of Nursing.…

Joseph Whitman, DO

Ear, Nose, Throat, Visiting Specialist

Specialty Ears, Nose, Throat Education A.T. Still University of Health Science, Kirksville, MO Residency A.T. Still University of Health Science, Kirksville, MO Location Visiting Specialist

Ryan Vincent, MD

Ophthalmology

Specialty Ophthalmology Board Status American Board of Ophthalmology Professional Associations American Academy of Ophthalmology American Glaucoma Society Association for Research in Vision and Ophthalmology Education University of Colorado, Denver School of Medicine Residency University of Missouri at Kansas City Fellowship Baylor College of Medicine, Clinical Glaucoma Fellowship Availability Dr. Ryan Vincent is at Mahaska Health…

Ophthalmology Dr Turner visiting specialist to Mahaska Health

Reid P. Turner, M.D., received his Bachelor of Arts at Central College and went on to receive his Medical Degree with a distinction in teaching at the University of Iowa. While doing his transition years at Iowa Methodist Medical Center, he even completed a rotation through Wolfe Eye Clinic. Dr. Turner excelled during his ophthalmology…

Jess Tokle

Family Practice

Family Nurse Practitioner Jessica Tokle decided to go into medicine because she enjoys helping patients and learning from them. Originally from Grinnell, Jessica is excited to be close to home again. During her first year of college, she discovered her passion for nursing and decided to obtain her masters in nursing. Jessica received her Family…

Anna Throckmorton, ARNP

Anna Throckmorton, ARNP began serving as a nurse practitioner at Mahaska Health in September 2019. For many patients, Anna will be a familiar face as she has been a part of the Mahaska Health family for the past 15 years serving in various capacities, most recently as a registered nurse in the Birthing Center. Anna,…

Registered Respiratory Therapist Director of Cardiopulmonary Services