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Our Veterinarians

Illustration of a silhouette of a figure with a stethoscope draped around their neck.
Rhonda Aper
MS, DVM, DACVS-SA
Surgery
Rhonda Aper
MS, DVM, DACVS-SA
BluePearl Veterinarian
Board Certified in Veterinary Surgery-Small Animal
Surgery
Servicing Locations
  • Diplomate, American College Veterinary Surgeons-Small Animal
  • Residency, Surgery, The Ohio State University, Columbus
  • Doctor of Veterinary Medicine, Iowa State University, Ames
  • Master of Science, Biomedical Engineering, University of Iowa, Iowa City
  • Bachelor of Science, Mechanical Engineering, Michigan Tech University
Illustration of a silhouette of a figure with a stethoscope draped around their neck.
Christine Graham
MS, DVM, DACVD
Dermatology
Christine Graham
MS, DVM, DACVD
BluePearl Veterinarian
Board Certified in Veterinary Dermatology
Dermatology
Servicing Locations
  • Diplomate, American College of Veterinary Dermatology
  • Residency, Dermatology, Michigan State University, East Lansing
  • Internship, Dermatology, University of Columbia, Columbia MO
  • Doctor of Veterinary Medicine, Iowa State University, College of Veterinary Medicine, Ames
  • Master of Science, Human Animal Bond and Grief Counseling, Iowa State University, Ames
Dr. Janelle Karau is an emergency medicine veterinarian.
Janelle Karau
DVM
Emergency Medicine
Janelle Karau
DVM
BluePearl Veterinarian
Emergency Medicine
Servicing Locations
Dr. Janelle Karau loves emergency medicine because every day is different. She welcomes the opportunity to continuously enhance her knowledge and skills, which ultimately allows her to offer the very best medical and surgical care to her patients.
  • Doctor of Veterinary Medicine, Iowa State University, Ames
  • Bachelor of Science, Biology, South Dakota State University, Brookings
Dr. Karau enjoys spending family time with her husband, son, dog and three cats. Her hobbies include cooking and baking, gardening and yoga.
Illustration of a silhouette of a figure with a stethoscope draped around their neck.
Teresa Obr
DVM, DACVIM
Internal Medicine
Teresa Obr
DVM, DACVIM
BluePearl Veterinarian
Board Certified in Veterinary Internal Medicine
Internal Medicine
Servicing Locations
  • Diplomate, American College of Veterinary Internal Medicine
  • Residency, Small Animal Internal Medicine, Gulf Coast Veterinary Specialists, Houston, TX
  • Internship, Small Animal Internal Medicine, Gulf Coast Veterinary Specialists, Houston, TX
  • Internship, Small Animal Medicine & Surgery, Animal Hospital Specialty Center, Denver, CO
  • Doctor of Veterinary Medicine, Iowa State University, Ames
  • Bachelor of Science, Biology, University of Iowa, Iowa City
Dr. Leo Roa is a veterinarian in our emergency and critical care service. He is holding a black and white dog.
Leo B. Roa Guzman
MVD
Critical Care
Leo B. Roa Guzman
MVD
BluePearl Veterinarian
Critical Care
Servicing Locations
Dr. Leo Roa Guzman has been practicing emergency medicine since 2007 and finds the field particularly gratifying, especially the technological advancements that have allowed for better patient care. His clinical interests include trauma cases, mechanical ventilation and transfusion medicine.
  • Residency, Emergency & Critical Care, Eastern Iowa Veterinary Specialty Center, Cedar Rapids
  • Doctor of Veterinary Medicine, Universidad Nacional Pedro Henriquez Urena, Santo Domingo, Dominican Republic
Dr. Roa Guzman spends most of his free time with his family and pets. He also enjoys travelling and finding places to go hiking and biking.
Dr. Amie Roberts is an emergency medicine veterinarian.
Amie Roberts
DVM
Emergency Medicine
Amie Roberts
DVM
BluePearl Veterinarian
Emergency Medicine
Servicing Locations
Dr. Amie Roberts started her emergency medicine career as a receptionist at an e-clinic, continuing as a veterinary assistant throughout her education. She has over a decade of emergency experience.
  • Doctor of Veterinary Medicine, Iowa State University, Ames
  • Bachelor of Science, Biology and International Studies, Iowa State University, Ames
Dr. Roberts and her family enjoy traveling, hiking and biking in Iowa's famous RAGBRAI. Outside of her work at the hospital, she holds an active position in the state Veterinary Medicine Association.
Dr. Holly Salzbrenner is a clinician in our emergency medicine service.
Holly Salzbrenner
DVM
Emergency Medicine
Holly Salzbrenner
DVM
BluePearl Veterinarian
Emergency Medicine
Servicing Locations
Dr. Holly Salzbrenner enjoys fostering the human-animal bond by providing the best care possible to pets when they are sick. She appreciates the diversity of cases that emergency medicine offers as well as the challenges of surgery.
  • Doctor of Veterinary Medicine, Iowa State University, Ames
  • Bachelor of Science, Biology, University of Northern Iowa, Cedar Falls
Dr. Salzbrenner enjoys spending time with her husband, their two dogs, two horses and family and friends. She likes to travel, hike, run, trail ride with her horses and spend time outdoors.
Dr. Elizabeth Streeter is a veterinarian in our emergency and critical care service.
Elizabeth Streeter
DVM, DACVECC
Critical Care
Elizabeth Streeter
DVM, DACVECC
BluePearl Veterinarian
Board Certified in Veterinary Emergency & Critical Care
Critical Care
Servicing Locations
Dr. Elizabeth Streeter is the medical director of our Cedar Rapids hospital. Previously, she was a faculty member at Iowa State and her research interests – head trauma, point of care testing, and injury severity scores – have resulted in a number of published articles, book chapters and requests for presentations around the world. She particularly enjoys treating trauma and cardiac cases.
  • Diplomate, American College of Veterinary Emergency & Critical Care
  • Residency, Emergency & Critical Care, Tufts University, North Grafton, MA
  • Internship, Small Animal Medicine & Surgery, Mesa Veterinary Hospital, Phoenix, AZ
  • Doctor of Veterinary Medicine, Iowa State University, Ames
  • Bachelor of Science, Psychology/Pre-Medicine, University of Iowa, Iowa City
Dr. Streeter enjoys crafting, traveling and running and is working toward a goal of running a half marathon in each of the 50 states. She has eight rescued animals: six dogs and two cats.