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Meet The Team

Our Dedicated Team of Doctors

Miguel Ortiz, DVM

Dr. Ortiz was born in Guatemala but has called Indiana, Seattle and now Pittsburgh home. He graduated in 2009 from the Purdue University School of Veterinary Medicine and has developed particular interest in animal behavior, dermatology and chronic disease management. When he is not at the hospital, Dr. Ortiz likes to hang out with family and friends, read books or watch documentaries about space, but mostly he can be found outdoors somewhere on a bike, on a hike or in hammock somewhere.


Dr. KockChristine Koch, DVM

Dr. Koch is originally from Michigan but moved to Pittsburgh when she was a teenager. She attended The Ohio State University College of Veterinary Medicine and graduated in 2011. While she enjoys all our four-legged friends, she especially loves working with cats. Dr. Koch currently lives in Wexford with her husband, daughter, twin boys, 2 cats and 2 dogs. In her spare time, she enjoys reading, watching movies, and spending time with family.


John Stoner, DVM

Dr. Stoner graduated from Vet school at Cornell University in 1985. He recently purchased Munhall Veterinary Hospital and plans to practice there on a limited basis, primarily working in an advisory role for the younger practitioners. Dr. Stoner owned and operated three animal hospitals for 25 years in Central Pennsylvania but sold his interest in them in late 2015. Realizing he missed the challenges and rewards of practice ownership and mentoring younger practitioners, Dr. Stoner decided to purchase the Munhall practice from Ron Bezak in May 2016. Still residing in Central Pennsylvania with his wife, 20 cows, 2 chickens, 2 dogs and a cat, he makes frequent visits to the Pittsburgh area to work at the hospital and visit with his son, daughter-in-law and grandson.


Elissa Allen, VMD


Veterinarian Technicians

Each staff member at Munhall Veterinary Hospital has attended and graduated from a veterinary technical program. Our staff members are also cross trained for front desk receptionist duties. You will see our staff members in each role, from answering phones, to trimming toe nails or assisting in surgery.

  • Dana Blazer
  • Kayla DeMarsico
  • Alexandra Finke
  • Tammy Grimm
  • Miranda Hennon
  • Megan Houghton
  • Megan Nemcik
  • Brittany Pavlinsky
  • Stephanie Peterson
  • Kristina Tyrrell

Office Staff

Morgan Diaz, Office Manager

Morgan was born and raised in Central Pennsylvania and received a bachelor’s degree in History and Political Science from Shippensburg University. Morgan moved to Pittsburgh with her husband in 2010 and attended graduate school at the University of Pittsburgh, obtaining a master’s degree in Public Administration in April 2013. When she is not at the hospital, you will find her spending time with her husband, son and two furbabies, Pippa and Sammy.