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.

General Surgery

Rachel is a board certified Physician Assistant with a strong background in surgical services. Rachel joined the Mahaska Health general surgery team in 2020. She earned her Master of Science in Physician Assistant Studies from Marietta College in Ohio. She most recently worked at Fairfield Medical Center in Cardiothoracic Surgery and holds years of clinical…

Walk In Clinic, Pulmonology, Occupational & Employee Health

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.…

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 and 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…

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,…

Tara Stout, DNP, ARNP

Family Practice

Tara Stout, DNP, ARNP joined Mahaska Health in December 2019 after receiving her Doctorate of Nursing Practice from Clarke University in Dubuque, Iowa. Many may know her as she spent some time at Mahaska Health during her clinical rotations with Dr. O’Brien and Tonya Johannes. Tara grew up in Sully, Iowa and lives on a…

Esther Rose, LMT

Licensed Massage Therapist

Esther is a Licensed Massage Therapist who offers a wide variety of massage techniques, including stone massage. Esther enjoys helping her clients feel better, maintain a healthy lifestyle and manage their pain. As an Oskaloosa native who was born at Mahaska Health, she is honored to be treating patients in her home community. Specialty Massage…

Lea Rice RD, LDN, CDE

Medical Nutrition Therapy

Registered Dietitian and Certified Diabetes Educator Specialties Diabetes Education Medical Nutritional Therapy Board Status Academy of Nutrition and Dietetics Education University of Tennessee at Martin, Martin, TN Location Mahaska Health, Oskaloosa, IA

Geriatric Care

Lisa Nelson, ARNP, provides Geriatric and Skilled Nursing care at Mahaska Health. For Lisa, she was led to providing geriatric care while she was completing her nurse practitioner degree at the University of Iowa in 2003. Her grandmother received care at a long-term care facility, and she realized quickly that she wanted to provide this…