Meet the Team

Get to Know Us a Bit Better

Our Practice

At West River Ear, Nose & Throat, we’re committed to providing you and your loved ones with exceptional care in a compassionate and friendly atmosphere. Located in Rapid City, West River Ear, Nose & Throat is known to be the best Medical Clinic in the area. We believe that our patients deserve the best care, and we make an effort to make sure you always feel welcome and at ease.
Whether you’re coming in for a simple checkup or a more complex treatment regimen, our dedicated team of health practitioners has the skills and resources to manage all your health needs. We can’t wait to help you feel better today!

Dr. Rob Schleiffarth MD


Dr. Rob Schleiffarth received his Doctor of Medicine degree from the University of Minnesota and completed his residency at the University of Iowa. His specialties include allergies, head and neck cancer, pediatrics, sialendoscopy and sinus problems.

He is a member of the South Dakota Medical Association, The American Academy of Otolaryngology, Head and Neck Surgery, and The American Academy of Otolaryngic Allergy.

Dr. Rob Schleiffarth enjoys working in the pediatric ENT field and helping children with ear, nose and throat problems even providing a prescription of an ice cream cone to some of his patients.

He will diagnose ear, nose and throat issues that can lead to snoring problems, balance issues, headaches and even bed wetting in children.

Dr. Schleiffarth loves what he does and has received numerous awards including:

  • 2014 5th Year Resident Teaching Award
  • 2013 Chief Resident
  • 2011 University of Iowa Hospital and Clinics Service Award
  • 2011 2nd Year Resident Teaching Award
  • 2010 Alfreda Van Wart Resident Research Award
  • 2009 Robert R. Updegraft Resident Travel Grant Award
  • 2007 Graduating Medical Student Research Award

Dr. Schleiffarth enjoys spending time outdoors with his wife and two daughters. Among his passions are hiking, camping, and the St. Louis Cardinals.

Dr. Mark Guy MD


Dr. Guy is a hometown guy coming back to his roots. He was born and raised in Rapid and is a Stevens graduate. He joined the WRENT team in March and brings with him over 25 years of ENT experience. He is excited to be practicing in his hometown and looks forward providing the Black Hills area with exceptional ENT care. His interests lie in management of sinus disease and sleep apnea.

Dr. Agelia (Aggie) Stout Au.D, CCC-A, F-AAA


Dr. Agelia (Aggie) Stout Au.D, CCC-A, F-AAA  received her Doctor of Audiology degree from the University of South Dakota. She completed her clinical fellow/externship at Sanford ENT and Audiology. Dr. Stout provides services for adults and children. Those services include diagnostic audiologic testing, fitting and servicing of hearing aids, programing cochlear implants and programming osseointegrated devices. She has a special interest in pediatric audiology and cochlear implants. Dr. Stout is passionate about helping others with their communication and hearing needs.

ENT and Audiology Hours

Mon-Thurs 8am-5pm I Fri: 8am - 4pm

Allergy Clinic Walk-in Shots

Mon-Thurs 8am-4pm I Fridays Closed