Dr. Mark K. Zlab

Douglas Hoisington is an Otolaryngologist in West Des Moines, Iowa. Dr. Hoisington is rated as a Distinguished provider by MediFind in the treatment of Grass Allergy. His top areas of expertise are Sinusitis, Empyema, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), and Allergic Rhinitis. Dr. Hoisington is currently accepting new patients.

A native of West Des Moines, Dr. Stevenson joined The Iowa Clinic in 2015. 'I am so excited to be back home. I'm thankful to be a part of a great group of physicians in such a wonderful city.' He places an emphasis on involving patients’ in their care; helping them understand what is going on and providing them with options in their treatment, 'Every patient is different and deserves a thoughtful, tailored approach.'. Dr. Stevenson is rated as an Advanced provider by MediFind in the treatment of Grass Allergy. His top areas of expertise are Infant Hearing Loss, Allergic Rhinitis, Sinusitis, Empyema, and Myringotomy.

Tyler Bertroche, MD, joined the Iowa Clinic because of our positive and collaborative atmosphere and unique focus on personalized care for every patient. Dr. Bertroche strongly believes in the importance of having a medical home and is proud that The Iowa Clinic brings together all the key providers and specialties to create this important place for patients. A native of Cedar Rapids, he is very excited to be back in Iowa after completing his Otolaryngology-Head and Neck Surgery residency training at Washington University in St. Louis. He received his medical degree from The University of Iowa where he graduated at the top of his class and was the president of the AOA Medical Honor Society and was also inducted into the Gold Humanism Honor Society. Dr. Bertroche enjoys taking care of patients of all ages and is passionate about otolaryngology due to the incredible breadth of both surgical and non-surgical options including various endoscopic and minimally invasive techniques. Dr. Bertroche is rated as an Experienced provider by MediFind in the treatment of Grass Allergy. His top areas of expertise are Nasal Polyps, Spasmodic Dysphonia, Vocal Cord Dysfunction, and Sinusitis.