Learning and education are very important here at Appelbaum Animal Clinic.

We strive to have a state-of-the-art hospital with a staff trained in the latest medical advances.

Our patients deserve the very best veterinary care.


Mark Appelbaum


Dr. Appelbaum was born in Oklahoma City and graduated from Del City High School in 1986. He attended Oklahoma State University, where he attained his Bachelor’s degree in Agriculture in 1991 and his Doctor of Veterinary Medicine degree in 1995. His professional interests include internal medicine and soft tissue surgery. Dr. Appelbaum’s hobbies include sports, music, traveling, and spending time with his wife and 3 sons. His oldest son, Joseph, is a Finance/Accounting major at Oklahoma State University. His middle and youngest son, Ben and Max, attend Jenks Public Schools.


Leslie Appelbaum

Practice Manager


Meet our StaffMolly Kiser


Dr. Molly Kiser is from upstate New York. While in high school, she began working at a local zoo where her love for taking care of the animals helped solidify her goal of becoming a veterinarian. She attended SUNY Brockport to receive her Bachelor’s degree in Biochemistry and her Doctor of Veterinary Medicine degree is from Oklahoma State University. In her spare time, Molly enjoys reading, watching Buffalo Bills games, and spending time with her cat, Ellie. Her professional interests include internal medicine, preventive care, and ophthalmology

Meet our Staff

Lacey Loveless



Veterinary Nurse standing against the wall


Assistant Practice Manager/ Veterinary Nurse 

Peyton attended Oklahoma State University and received a Bachelor’s degree in Animal Science Biotechnology. She has worked in the veterinary field as a veterinary nurse for eight years. Peyton has two kitties, Feliz Navidad and Barbara, and two dogs, Steve and Nala. However, she considers herself a lover of all animals…from cats to cows.


Animal clinic staff holding a dogDenise 

Customer Service Manager Receptionist

Denise has worked in the veterinary medical field off and on since 2004. She loves meeting clients and their pets! She finds it rewarding to work in the veterinary field because it is ever changing and always offers something new to learn. She has an eleven-year-old son, Dylan, who is her pride and joy. She loves music and highly supports to local music scene here in Tulsa and surrounding areas. She also enjoys reading, binge watching awesome tv shows, being a cat (LOL), and anything to do with Donald Duck and sea turtles.



Kennel Manager / Veterinary Nurse


A female veterinary nurse with her dog


Veterinary Nurse



Veterinary Nurse


Veterinary Nurse












Kennel Technician


Kennel Technician


Master Groomer


Cat sitting on the couch

Milo Kitty

Clinic Kitty / Boss