Sleep Medicine Director

Dr. Michael McCubbin is at Mahaska Health the 1st & 3rd Friday every month. To schedule an appointment, call Broadlawns at 515.282.4015. Specialty Sleep Medicine Board Status American Board of Allergy American Board of Pediatrics Education University of Iowa College of Medicine, Iowa City, IA Residency University of Iowa Hospital and Clinics, Iowa City, IA…

Occupational Health

Dr. Kym Life is an internist by training and enjoys working with her patients to determine the best treatment plan that fits their needs. Dr. Life values the importance of a healthy lifestyle and when not at work, enjoys spending time outdoors and riding her bicycle. Department Occupational Health Board Status American Board of Osteopathic…

Melissa Lamb, ARNP

Allergy/ Immunology/ Pulmonology

Melissa Lamb, ARNP-BC specializes in the areas of allergy, immunology and pulmonology and has been with Mahaska Health since 2006. Lamb joined the team at Mahaska Health after 5 years of extensive pulmonary specialty experience at Mayo Clinic in Rochester, Minnesota. Melissa can empathize with patients because she has been on the patient side of…

Greg Kronenberg, CRNA

Pain Management, Anesthesiology

Greg Kronenberg is a certified registered nurse anesthetist with over 20 years of nurse anesthesia experience and 10 years of pain management expertise. Greg practices integrative medicine which involves being open to any beneficial treatment options. He believes everyone’s experiences and beliefs are unique and therefore their treatment needs to be tailored to that individual.…

Family Practice

Gayle Johnson, ARNP joined Mahaska Health in November 2019. For more than 30 years, Gayle has been a caring nurse in Grinnell, Iowa. During her tenure there, she has worked in the Medical Surgical Unit as a charge nurse and served as clinical advisor for the medical surgical unit, intensive care unit, emergency department, and…