6110 Creston Avenue
Des Moines, Iowa 50321
Phone(515) 280-3100

ISU Student Experience


Iowa Veterinary Specialties employs only the finest Emergency and Specialty doctors. Come see how our doctors can exceed your expectations.


Angie Gearhart

Angie Gearhart, Medical Director, Emergency Veterinarian

Dr. Gearhart is a 1999 graduate of Louisiana State University. She practiced for eight years in Arkansas before moving to Iowa in 2007. She works part-time for IVS and periodically fills in at other clinics in the area. She is a member of IVMA, American Heartworm Association and the Arkansas Veterinary Medical Association.

Kevin Pottorff

Kevin Pottorff, Emergency Veterinarian

Dr. Pottorff graduated from Iowa State University College of Veterinary Medicine in 1982. He joined Iowa Veterinary Specialties as a staff veterinarian in April 2011. He practiced in Oelwein, Iowa, for four years before moving to Corning, Iowa, where he was a founding partner of Southern Hills Veterinary Services. Dr. Pottorff is a member of the American Veterinary Medical Association and the Iowa Veterinary Medical Association.

Shawna Greene

Shawna Greene, DVM, DACVIM

Shawna Greene, DVM, DACVIM received her DVM from Iowa State University in 2003. After an internship in Northern Colorado, Dr. Greene then completed her residency and received her master’s degree from Purdue University. Board certified since 2008, Dr. Greene diagnoses, stages, and treats all cancer types using the latest equipment and state-of-the-art techniques. Beginning October 5, 2015, Dr. Greene will head Iowa Veterinary Specialties' Oncology Department. Dr. Greene will be seeing patients by appointment Monday-Thursday exclusively at Iowa Veterinary Specialties.

Leah Braas

Leah Braas, DVM, CVA

Emergency Veterinarian, Hospice and Palliative Care. Dr. Braas graduated from Iowa State University College of Veterinary Medicine in 2002.  Dr. Braas enjoys emergency medicine because the atmosphere is constantly changing presenting new challenges. Recently, Dr. Braas has become a Certified Veterinary Acupuncturist and heads Iowa Veterinary Specialties' Hospice and Palliative Care Department.

Shelby Mangus

Shelby Mangus, Emergency Veterinarian

Dr. Mangus graduated from Kansas State University College of Veterinary Medicine in 2016. After working in general practice, Dr. Mangus discovered a strong passion for emergency medicine. She has a special interest in internal medicine, feline medicine, and soft tissue surgery. During her free time she enjoys gardening, canoeing, and spending time with her husband, Devin, as well as their two Cavalier King Charles Spaniels, Ava and Meadow, and two cats Pharaoh and Iris. Dr. Mangus is a member of the American Veterinary Medical Association, Iowa Veterinary Medical Association, and the American Association of Feline Practitioners.

Autumn Chrouser

Autumn Chrouser, Emergency Veterinarian

Dr. Chrouser graduated from Iowa State University College of Veterinary Medicine in 2011.  She joined Iowa Veterinary Specialties in 2016 after spending time in shelter medicine and an AAHA accredited practice.  Dr. Chrouser enjoys emergency medicine as no two days are the same.  She is a member of the AVMA, IVMA, and AAHA. 

Abbey Rupiper

Abbey Rupiper, Emergency Veterinarian

Dr. Rupiper graduated from Iowa State University College of Veterinary Medicine in 2019 and has been working at IVS ever since. Dr. Rupiper has a special interest in soft tissue surgery and exotic animal medicine. She is a member of IVMA, AVMA,  Association of Avian Veterinarians, and the Association of Reptile and Amphibian Veterinarians.

Joseph Nitcher

Joseph Nitcher, Emergency Veterinarian

Dr. Nitcher graduated from Iowa State University College of Veterinary Medicine in 2019. After graduation, he completed a rotating internship in the Milwaukee, Wisconsin area in emergency/critical care and specialty medicine. He is excited to return to Iowa following this internship and continue practicing in the emergency setting. Dr. Nitcher has a special interest in fluid therapy, point-of-care ultrasound, and coagulative disorders. During his free time, Dr. Nitcher enjoys watching soccer, consuming popular culture and spending time with his two cats.

Courtney Blake

Courtney Blake, Emergency Veterinarian

Dr.Courtney Blake is a 2012 graduate of Iowa State University College of Veterinary Medicine. Before joining IVS in 2020, she practiced large and small animal medicine at a mixed animal practice in Western Iowa for 7 years. Dr. Blake enjoys the variety of cases associated with emergency medicine.

Cancer In Pets

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IVS Partner's in Progress CE Event 2019

On April 3, 2019 there were twenty-one speakers offering the second annual ISU – IVS Partners in Progress CE Event at the Des Moines Botanical Center. This CE Event was open to all... read more >

"All the Vet techs and receptionists were nothing but phenomenal and soooo understanding!"

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