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.

A vet clinic staff holding a pet dog


Leslie Appelbaum

Practice Manager

Leslie attended the University of Oklahoma, where she earned her bachelor’s degree in Public Administration, in 1993. She later earned a master’s degree in Education, from Oklahoma State University. After years of working in both the public and private sectors, she found the most joy while staying home with her two sons Ben and Max. Now that they are almost ready to fly the nest, she is enjoying working alongside her husband at Appelbaum Animal Clinic.

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.


Yayoi Usry Customer Relation Manager holding a dog


Customer Relations Manager

Yayoi began working in the veterinary field back in 2002. What started as a part-time job, soon became a career. She loves animals and enjoys the stories that the clients share. Yayoi attended Oklahoma State University and earned her Bachelor’s degree. She has worked with Dr. Appelbaum for close to 20 years. She enjoys team work and the family friendly atmosphere AAC has to offer. Yayoi has a daughter named Aleena and a Papillon named George. In her spare time, she is busy taking Aleena to her dance competitions, traveling, or attending many festivals in the Tulsa area.


Veterinary holding a newborn puppy


 Kennel Manager / Veterinary Nurse 

Abby found her dream job when she became a nurse at Appelbaum Animal Clinic. Taking care of animals has always been her passion. In Abby’s free time, she loves spending time with her three year-old son, Philip. Abby is also a fur mom to three dogs and two cats.


Animal clinic staff holding a dog



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.


A female veterinary nurse with her dog


Veterinary Nurse

Lynnsey started working in the veterinary industry in 2007, and shortly thereafter, attained a Veterinary Assistant degree from Community Care College. Lynnsey has a love for all animals, but her favorite is her Shih Tzu named Layla. She was the runt of the litter of adorable puppies, and after weeks of begging, her husband finally agreed to welcome Layla to their family. It has been a non-stop adventure ever since.


Veterinary Nurse








Kennel Technician



Kennel Technician



Master Groomer

Cat sitting on the couch


Milo Kitty

Clinic Kitty / Boss