Appalachian Veterinary Hospital, P.C.

Appalachian Veterinary Hospital, P.C. is a full-service veterinary medical facility, located in Newport, TN. Our professional and courteous staff seek to provide the best possible medical care, surgical care and dental care for their highly-valued patients.

We are committed to promoting responsible pet ownership, preventative health care and health-related educational opportunities for our clients. Appalachian Veterinary Hospital strives to offer excellence in veterinary care to Newport and surrounding areas.

Please take a moment to contact us today, to learn more about our veterinary practice and to find out more information about how Appalachian Veterinary Hospital can serve the needs of you and your cherished pet.

Appalachian Veterinary Hospital Sign
  • Mon-Fri: 8:00am - 5:30pm
  • Sat: 8:00am - 12:00pm
  • Sun: Closed
  • After Hours Emergencies:
  • Call (423) 581-9492
  • Five Rivers Pet ER Clinic
  • Mike LaMaster, MDVM

    Managing Veterinarian

    Dr. Mike LaMaster began his veterinary career as a veterinary assistant, prior to attending Purdue University and then veterinary school.  He received his Doctorate in Veterinary Medicine from St. Georges University in 2014.    After graduation, he moved to Tennessee and joined Appalachian Veterinary Hospital as an Associate Veterinarian.  Since joining our hospital, he’s become very interested in treating patient cases involving in internal medicine, cardiology, and neurology.  He also enjoys the occasional opportunity to work with exotics, such as sugar gliders.

    Dr. LaMaster grew up in Indiana, but always had a desire to move south to Tennessee.  Since moving here, he’s expanded his interests in hiking, fishing, trap shooting and bowling.  When he’s not busy doing these things, he’s spending quality time with his family of two Dobermans, a cat and 2 fish.


    Years in Practice:
    Jan 01, 2014
    St. Georges University School of Veterinary Medicine
  • Ashley Dennis, DVM

    Associate Veterinarian

    Dr. Ashley Dennis began her veterinary career by working at veterinary clinics in Jefferson County, TN while she was in high school.  She enjoyed the veterinary environment and received her Doctorate in Veterinary Medicine from the University of Tennessee in 2015.  She joined Appalachian Veterinary Hospital, as an Associate Veterinarian, immediately following graduation.  Since joining our hospital, she’s become quite interested in treating surgical and internal medicine cases.   She has a great enthusiasm for veterinary medicine and enjoys the day to day challenges and excitement that veterinary medicine brings.

    Dr. Dennis grew up in Dandridge, TN and is proud of the fact that she is helping pets near the community where she was raised.   Her interests include travel, reading and just “being outside”.  She is active in her local church and enjoys spending her free time with family, her 2 dogs and a cat.


    Years in Practice:
    Jan 01, 2015
    University of Tennessee School of Veterinary Medicine
  • Alex Sorohan, DVM

    Associate Veterinarian 

    Dr. Alex Sorohan, a Georgia native, has brought her talent, knowledge, and enthusiasm to East Tennessee! She's excited to be a part of the community and interact with the amazing clients and patients of AVH. Starting in 2021, she will begin taking exotic patients. She enjoys a challenge and meets every  case with the same positive attitude. 

    She enjoys reading, outdoor activities, and spending time with her fur babies. She currently has 2 cats and 2 dogs.

    Years in Practice:
    Dec 28, 2020
    University of Georgia
  • Lawrence E. "Larry" Dawson, DVM

    Relief Veterinarian 

    Dr. Dawson joined the AVH team in 2017. He's an experienced DVM and has served our nation for 20 years. He's a retired army test pilot and has worldwide experience.  He's a native of East Tennessee. He has vast knowledge in the veterinary field and a calm, friendly demeanor. We are very privileged to have him as an addition to our team. 

    Dr. Dawson enjoys flying, traveling, and a range of outdoor activities in his spare time. 
    Years in Practice:
    Jan 01, 1999
    Auburn University College of Veterinary Medicine
  • Lynn Straka, DVM

    Associate Veterinarian (Part time)

    Dr. Straka joined our practice in 2018. She is an experienced veterinarian and a talented jewelry artisan. She has a passion for medicine and a warm, caring personality. We are thankful to have her as an addition to our team!

    Dr. Straka enjoys outdoor activities and creating art in her spare time. 
    Years in Practice:
    Jan 01, 1995
    Ohio State University
  • Brooke Viera, DVM

    We are excited to welcome Dr. Viera, soon to be Dr. Barrett, to our family! She is a New York native that graduated from LMU college of Veterinary Medicine in Harrogate, TN. She's excited to meet all of the wonderful clients and patients at AVH. She enjoys practicing dentistry and surgery. We know all of our furry patients will love her as much as we do! 
    When not at work, Brooke enjoys spending time with her newly wedded husband and fur babies. 
    Years in Practice:
    Jun 15, 2021
    LMU school of Veterinary Medicine
  • null

    Justine Jusack, HM

    Hospital Manager

    Justine has been part of the AVH team since 2018. She was a veterinary assistant until October 2020 when she became hospital manager. She oversees the day to day operations of the hospital. She is available to our clients for any inquiries or input they have to help better serve the AVH community.

    Previous to joining the AVH team, she graduated from LMU with a Bachelors degree in Wildlife and Fisheries Conservation. She studied many different species of wildlife, but has a special place in her heart for bats. 
    She enjoys hiking, playing disc golf, and taking walks with her fur babies. She currently has 2 dogs and 2 cats. 
    Years in Practice:
    Jan 01, 2018
    Lincoln Memorial University
  • Support Team

    From left to right:

    Tessa Des Roches is a Veterinary Assistant that joined our team in 2019. She will perform any task we ask of her with care and excellence. She enjoys kayaking and spending time with her daughter. 

    Sandy Carrell is a Veterinary Assistant that joined our family in 2002. She has helped this practice grow and improve over the years. She is essential to our clinic and we appreciate her everyday. Sandy enjoys spending time with family and friends. 

  • Support Team

    From left to right:

    Keri Damron joined our family in 2016. She is currently a Veterinary Assistant working towards her license to become a Technician. She treats every patient with love and compassion.She mainly assists with surgery, but enjoys every aspect of her job. Keri loves reading novels and watching Sci-Fi movies. She will often quote lines from Star Wars, Harry Potter, and Lord of the Rings, which adds a pinch of magic to everyone's day. 

    Reyne Wood is a Veterinary Assistant that joined our practice in 2005. She is the backbone of this clinic and has helped train many employees over the years. Her main position is assisting with surgeries. We are grateful for her hard work and dedication. Reyne enjoys working on her house and spending time with her daughters. 
  • Support Team

    From left to right: 

    Rhonda Leffew joined our team in 2017. She is part of our friendly customer care team. She is one of the first smiling faces you see when entering our clinic. She enjoys movies and spending time with her family. We are grateful to have Rhonda and utilize all of her computer and people skills. 

    Rhonda Helms joined our family in 2020. She persevered through all the challenges the year brought. She is part of our customer care team and we are grateful to have her. She adds a fresh perspective and "paw-sitive" attitude. Rhonda enjoys outdoor activities and being with the ones she loves. 

    Michelle Finchum has grown with this clinic,since the beginning. She has been a key player since 1989. She can perform any role asked of her and helps the clinic improve every year. We are grateful for all of her hard work and dedication. Michelle enjoys watching football, kayaking, and spending time with family and friends. 
  • Support Team

    From left to right:

    Diane Maddron joined the AVH family in 2004. She adds a caring attitude and friendly smile to our customer care team. She is committed to helping every patient/client that walks through our doors. Diane enjoys spending time with her family in her spare time. We are grateful to have Diane on our team!

    Denise Holdway joined our team in 2012. She is part of our customer care team. She makes everyday a little brighter, due to her bubbly personality. Denise enjoys outdoor activities and spending time with friends and family. We are appreciative of all her hard work. 
  • Support Team

    From left to right: 

    Pam Dillion joined the AVH family in 2013. She is a knowledgeable and experienced Veterinary Assistant. We are grateful to have such a skillful and devoted employee on our team. Pam enjoys spending time with her human and fur babies during her spare time. 

    Hilary Martin joined our team in 2016. She started as a Kennel Technician and is now working towards her Veterinary Technician License. We are proud to see her grow and achieve new goals each year. She has a thirst for knowledge that is invaluable to our team. She enjoys spending time with her family and friends.