Our Veterinarians

Rebecca Aldoretta
DVM
Emergency Medicine
Rebecca Aldoretta
DVM
Emergency Medicine
Servicing Locations
Fond of all aspects of emergency medicine, Dr. Rebecca Aldoretta’s particular interests include endocrine emergencies, transfusion medicine and critical care nutrition.
  • Internship, Emergency & Critical Care, Veterinary Emergency and Critical Care, Las Vegas NV
  • Internship, Small Animal Medicine & Surgery, Miami Veterinary Specialists, FL
  • Doctor of Veterinary Medicine, Kansas State University, Manhattan
  • Bachelor of Science, Equine Science, Colorado State University, Fort Collins
Dr. Aldoretta likes to read, draw, and go hiking and exploring with her husband and German shepherd mix Maya.
Dr. Frederick Drazner is a board certified specialist in our internal medicine service. He is seen in an exam room with a dog patient.
Frederick Drazner
DVM, DACVIM
Internal Medicine
Frederick Drazner
DVM, DACVIM
Board Certified in Veterinary Internal Medicine
Internal Medicine
Servicing Locations
Dr. Frederick Drazner has a well-established career as a veterinary internist with multiple stints as a college professor, over 40 articles published in professional journals, and over 50 speaking appearances at national and international conferences. His particular clinical interests include endocrinology, gastroenterology and immune-mediated diseases.
  • Diplomate, American College of Veterinary Internal Medicine
  • Residency, Internal Medicine, Animal Medical Center, New York City
  • Internship, Small Animal Medicine & Surgery, Animal Medical Center, New York City
  • Doctor of Veterinary Medicine, University of Illinois, Urbana-Champaign
  • Bachelor of Science, Veterinary Science, University of Illinois, Urbana-Champaign
Dr. Drazner likes electric blues and rock guitar and weight training. He and his wife, a retired French instructor, have three adult children.
Breanna Erwin
DVM
Emergency Medicine
Breanna Erwin
DVM
Emergency Medicine
Servicing Locations
Dr. Breanna Erwin enjoys being able to provide support and care for clients and their pets during emergency situations.
  • Internship, Oncology, BluePearl Veterinary Partners, IL
  • Internship, Small Animal Medicine & Surgery, BluePearl Veterinary Partners, IL
  • Doctor of Veterinary Medicine, University of Missouri, Columbia
  • Bachelor of Arts, Zoology, Miami University, Oxford OH
Dr. Erwin's favorite pastimes include hiking, reading and visiting national parks with her husband. They have two dogs, Harvey and Emerson, and a cat named Addison.
William Fischbach
MS, DVM
Emergency Medicine
William Fischbach
MS, DVM
Emergency Medicine
Servicing Locations
Dr. William Fischbach enjoys all aspects of emergency medicine and has special interests in emergency surgery and trauma.
  • Internship, Sonora Veterinary Specialists, Phoenix AZ
  • Doctor of Veterinary Medicine, The Ohio State University, Columbus
  • Master of Science, The Ohio State University, Columbus
Dr. Fischbach enjoys golf, traveling and spending time with his wife and daughter.
Carlie Koonce
DVM
Emergency Medicine
Carlie Koonce
DVM
Emergency Medicine
Servicing Locations
Dr. Carlie Koonce worked a number of years with a livestock market, the USDA and in a rural mixed animal practice before coming to BluePearl. Some of her favorite conditions to treat include pancreatitis, endocrinopathies and feline urinary obstruction. Another clinical interest is enteral tube feeding.
  • Doctor of Veterinary Medicine, Iowa State University, Ames
  • Bachelor of Science, Animal and Veterinary Sciences, University of Wyoming, Laramie
  • Bachelor of Science, Zoology, University of Wisconsin, Madison
Dr. Koonce’s favorite pastimes include hiking, reading, photography, hunter/jumper horseback riding and museums. Roo is her border collie mix, and her three cats are Draco, Badger and Baby.
Dr. Emily Mettenburg is a clinician in our emergency service. She is pictured with her English bulldog.
Emily Mettenburg
DVM
Emergency Medicine
Emily Mettenburg
DVM
Emergency Medicine
Servicing Locations
Dr. Emily Mettenburg enjoys all aspects of emergency medicine, especially trauma cases and wound repairs.
  • Internship, Small Animal Medicine & Surgery, Premier Veterinary Group, Chicago IL
  • Doctor of Veterinary Medicine, Iowa State University, Ames
  • Bachelor of Arts, Biology, University of Iowa, Iowa City
Dr. Mettenburg’s hobbies include running, thrifting, hand embroidery and cross-stitch, usually while listening to podcasts. She has an English bulldog named Beef, and a cat named Artie Bertram Thumbcat II.
Jordan Yesesky
DVM
Emergency Medicine
Jordan Yesesky
DVM
Emergency Medicine
Servicing Locations
Dr. Jordan Yesesky is particularly interested in surgery and emergency stabilization.
  • Internship, Small Animal Surgery, BluePearl Veterinary Partners, Michigan
  • Internship, Small Animal Medicine & Surgery, BluePearl Veterinary Partners, Michigan
  • Doctor of Veterinary Medicine, Iowa State University, Ames
  • Bachelor of Science, Biology, University of Findlay, Ohio
Dr. Yesesky and his lab mix, Fitz, can often be found at the park playing with a tennis ball or walking around the city exploring. Kipper Noodleman Snugglesworth, III is the cat in the family. Dr. Yesesky, Fitz and Kip like to curl up on the couch reading a book or watching cooking shows.