Dr. Jon Paa

Veterinarian / Owner

Dr. Jon Paa was born and raised in Carrollton, TX. After high school, he attended Oklahoma State University, where he earned an undergraduate degree in Biochemistry and Molecular Biology. Dr. Paa was granted early admittance to veterinary school in 2007 and graduated from the Oklahoma State University College of Veterinary Medicine in 2011. At the end of 2021, after working as a veterinarian at a large, progressive practice in the Dallas area for the past 10 years, he elected to take ownership of Lucas Veterinary Hospital and continue its reputation of offering personalized, compassionate, high-quality veterinary care to the surrounding area. Dr. Paa has a wide range of clinical interests including wellness care, internal medicine, pain management, cardiology, dermatology, soft tissue surgery, and ultrasonography, but he is most passionate about building strong relationships with families and their pets. He is currently a member of the American Animal Hospital Association, Texas Veterinary Medical Association, and the American Veterinary Medical Association. Outside of the clinic, he enjoys cheering for the Dallas and Oklahoma State University sports teams, outdoor activities, and spending time with his wife Sara and their son, Jackson.

Dr. Shannon Gaharan

Veterinarian

Dr. Gaharan is a Louisiana native and graduated from LSU in 2012 (Geaux Tigers!). She enjoys internal medicine, wellness/preventive care, and soft tissue surgery. She aims to provide the best possible patient care and preserve the human-animal bond for every family. She and her husband have three daughters, one dog, and one cat. With any free time, she loves being on the lake, engaging in water sports, enjoying live music, and traveling

Marcus

Practice Manager

Marcus started with LVH in the fall of 2008. Marcus was born and raised in Plano and came to us with several years of experience working in different hospitals in the area. Marcus spends a lot of his time assisting Dr. Paa and the technicians. He has two of his own dogs at home that typically keep him busy. Marcus is a huge sports fan and follows our local sports teams closely.

Jules

Jules started with LVH in 2007. As the long time “voice” of LVH she helps ensure that clients and pets receive the attentiveness and personalized service they need. When she is not at the hospital Jules enjoys traveling, discovering new places and spending time with her family and friends.

Nick

Technician

Nick joined the LVH team in February of 2021. As the resident hockey expert, Nick stays up to date on everything Dallas Stars hockey. With 6 dogs and 2 cats there is never a dull moment at home, and when he does have free time you will find him listening to classic rock music, playing video games with his fiance and attending Dallas Stars games.

Kali

Technician

Kali joined the LVH team in the summer of 2022. She graduated from Stephen F Austin State University in 2022. In her free time you can find Kali playing soccer in local leagues, reading her favorite books, and spending time with her family.

Christina

Technician

Christina joined the LVH team in early 2024. She was born and raised right here in Allen, and graduated from Allen High School. Christina has 2 dogs, 2 cats, 2 rabbits and 1 tortoise that keep her busy at home. In her free time, Christina enjoys hiking, kayaking, painting and cooking.

Ashlee

Technician

Ashlee joined the LVH team in 2025. She has been a veterinary technician for 10 years and loves for both pets and their people. When she is out of the hospital she enjoys spending time with her husband and bonus son. Outside of vet med, Ashlee enjoys reality TV, getting lost in a good book, and -most importantly- a crisp Diet Coke.

Natalie

Technician

Natalie joined the LVH team in the Fall of 2023. She was born in Corpus Christi and relocated to North Texas after graduating from Texas A&M. She has 5 pets at home, including Sammy the Jumping Spider. She enjoys traveling to new places with her husband and 2 daughters. She also stays busy as a Cub Scout Leader and Volleyball Coach.

Emma

Emma joined the LVH team in 2025. She is one of the friendly faces you will find at the front desk helping with scheduling and making sure your pets needs are taken care of. Outside of the hospital, Emma enjoys traveling, listening to music, shopping, and—most of all—spending quality time with her family.

Milo

Milo joined the LVH team in 2026. He came to us after spending several years volunteering and working with rescued tigers, lions and other wild cats. He currently lives with his 2 cats Tomie and Faye (don’t worry, they are domestic cats). Outside of the hospital Milo enjoys hiking, listening to music, cooking and taking care of his plants.