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Sentinel Veterinary Specialists & EmergencySentinel Veterinary Specialists & Emergency

Phone: (406) 218‑2800
Address: 1704 S Reserve St, Missoula, MT 59801
Email: info@sentinelvse.com

Exceptional Veterinary Services with a Kind Heart

We are a team of board-certified specialists, highly trained emergency doctors and top veterinary professionals dedicated to providing world-class medicine and care. We aim to be an integral part of Western Montana’s veterinary community, caring for patients that need extra attention and an after-hours presence.

Meet Our Staff

Our Specialists

Joshua Jackson

Dr. Joshua Jackson
DVM, DACVS

Dr. Josh Jackson is a board-certified, Diplomate of the American College of Veterinary Surgeons. Having grown up on a ranch in Northern New Mexico, he developed an early love for all animals. His father’s influence as a General Surgeon for people led to an early interest in surgery. Dr. Jackson went to veterinary school at Colorado State University where he graduated a member of the Phi Zeta honor society. He went on to perform a rotating internship at the Veterinary Specialty Hospital of San Diego and a residency in surgery at the University of California, Davis. Dr. Jackson returned to San Diego and founded the surgery service at the Veterinary Specialty Hospital. Under his directorship, the service has grown to seven surgeons performing thousands of surgeries every year. As an active mentor to over 140 interns and residents, Dr. Jackson has helped many young surgeons achieve diplomate status. Dr. Jackson has broad clinical interests in surgery, ranging from total hip replacements to advanced soft tissue and reconstructive techniques. He has lectured nationally and internationally on cruciate ligament disease, total hip replacement and orthopedic implants and published numerous scientific articles on a variety of soft tissue and orthopedic topics. Dr. Jackson was founder of the Veterinary Specialty Hospital of Hong Kong, the first specialty referral-only hospital in Asia. He was also founder of FACE, a non-profit organization that has saved thousands of pets in the San Diego region from euthanasia for economic reasons.

Dr. Jackson is now happy to bring his years of experience to the pets and people of Montana. He is excited to bring 24-hr, specialty care to the region and looks forward to expanding the services currently available in the area. His free time is spent exploring the rivers, trails and slopes of Montana with his family and his two black labs, Django and Madison.

Jason Wheeler

Dr. Jason Wheeler
DVM, MS, DACVS

Dr. Jason Wheeler was born and raised in Ft. Myers on Florida’s gulf coast. Dr. Wheeler returned to the University of Florida for a combined master’s degree and residency in small animal surgery. During his residency he won several awards for excellence in clinical research from the University of Florida, the American College of Veterinary Surgeons, and the Veterinary Orthopedic. He has been involved in multiple research studies and has authored or coauthored over 20 peer reviewed scientific publications. Dr. Wheeler has since worked at a large referral center in Denver and co-founded a multispecialty clinic in Virginia. Dr. Wheeler and his wife Marion have 3 wonderful daughters who all enjoy the sense of community and love of the outdoors found in Bozeman.

Dr. Wheeler has a broad interest in veterinary surgery including wound management, cranial cruciate ligament instability, joint replacement, elbow dysplasia, fracture repair and oncologic surgery. In his free time, Dr. Wheeler and his wife Marion stay busy with their girls who enjoy camping, hiking and their corgi, Meatball.

Annie Wright

Dr. Annie Wright
Veterinarian, Board Certified Criticalist

Dr. Annie Wright grew up in Quebec, Canada. She earned her Doctorate of Veterinary Medicine from the University of Montreal in 2000. She is a Board Certified Criticalist and has been a member of the American College of Veterinary Emergency and Critical Care since 2006. Her professional interests include the treatment of shock, acute renal failure, electrolyte disturbances, critically ill cats and diagnostic ultrasound. She is published in the Journal of Veterinary Emergency and Critical Care and has written chapters in several small animal textbooks. Throughout her career she has been involved in the medical care of military and police working dogs and the training of K9 handlers and medics who work with them. She is a founder and board member of the National Association of Veterinary Medical Services. Dr. Wright lives in Missoula with her husband and two children. They have one dog, Angie; 2 cats, Blueberry and Don Williams and 2 beta fish. She loves exploring the outdoors, running, riding her bike and photography.

Our Emergency Veterinarians

Luke Anderson

Dr. Luke Anderson
Veterinarian

Luke grew up in New Orleans, Louisiana and graduated with his DVM from Ross University in 2012. He has practiced in many settings, from chasing South African wildlife to shelter medicine to day practice. He found a passion for critical care while working in a specialty referral practice for 2+ years as an emergency veterinarian. He loves the science of medicine and helping to guide owners and their animals through hard times. He has always had a dream of combining science and service under one roof. He loves to rock climb, build things, and adventure with his wife, two dogs, and son.

Ryan Boharski

Dr. Ryan Boharski
Veterinarian

Dr. Ryan Boharski was born and raised in the Flathead Valley of Montana. He moved to the Pacific Northwest to earn his Doctor of Veterinary Medicine degree at Oregon State University. Dr. Boharski has put his training to use throughout Oregon and Montana helping a variety of species from companion animals and livestock to Golden eagles and Peregrine falcons. Dr. Boharski has honed his interest in the practice of veterinary surgery and is in training to achieve Diplomate status with the American College of Veterinary Surgeons. His surgical interests include cruciate ligament disease, fracture repair, minimally invasive soft-tissue and orthopedic surgery, oncologic surgery, wound management, and reconstructive surgery. Dr. Boharski and his wife Rachel spend their free time in the mountains, prairies and rivers of Montana with their Labrador, Judy.

Cassidy Briggs

Dr. Cassidy Briggs
Veterinarian

Dr. Cassidy Briggs is a Montana native, hailing from Grass Range. She holds a BA in Biology from Johns Hopkins University, earned her DVM and Certificate in Global Animal Health from Washington State University, and is certified in veterinary acupuncture through IVAS. After working for several years in Broadway theatrical management, she returned home to pursue a career as a veterinarian and has never looked back! Along with her partner, Travis, son Gage, and her Australian Shepherd, Jackson, she enjoys hiking, skiing, yoga, knitting, and all the other adventures Missoula has to offer.

Teena Drivdahl

Dr. Teena Drivdahl
Veterinarian

Dr. Drivdahl was born in Missoula and raised in Butte. She graduated from the University of Montana in Microbiology and Chemistry. Christina then spend 3 years doing pharmaceutical research in ischemia reperfusion injury. She then persued a Doctorate of Veterinary Medicine at Washington State University.

Rebecca Kerscher

Dr. Rebecca Kerscher
Veterinarian

Dr. Rebecca Kerscher was born and raised in Red Lodge, Montana. She studied wildlife biology in Missoula and graduated as a veterinarian from Colorado State University in 2007. She began work with horses and then moved to Billings where she focused on small animal medicine, surgery, and urgent care at a busy 24-hour care facility. Dr. Kerscher loves providing urgent and emergent medicine when your pet requires it and keeps raising the bar for patient care. She spends her personal time chasing after her two children, baking, hiking, running, and hopes to someday complete her kid’s baby books despite the fact that they are no longer babies!

Anna Odash

Dr. Anna Odash
Veterinarian

Dr. Odash grew up in Western Washington and began her professional nursing career as an RN for 5 years, mostly in the pediatric field. She earned her Doctorate of Veterinary Medicine from Washington State University . Her professional passions include orthopedic and soft tissue surgery, emergency and critical care, and working with owners to provide individualized care for their pets’ specific needs. Dr. Odash lives in Missoula with her 2 labradors, Dixie and Drake, her Wire-haired Pointing Griffon Brook, and 2 orange fluffballs, Pumpkin and Juice. In her free time she enjoys skiing, fly-fishing, camping, hiking, sports and traveling the world.

Steve Peterson

Dr. Steve Peterson
Veterinarian

Dr. Steve Peterson graduated from Veterinary School at Colorado State University and then continued his education as a Veterinary Intern at Angell Animal Medical Center in Boston and as a Small Animal Surgery Resident at the University of California, Davis. He then became a Diplomate of the American College of Veterinary Surgeons and practiced in Massachusetts and California before returning to school 10 years later to attend medical school at the University of Colorado. Post-graduate surgical training in Colorado and Oklahoma led to a career in reconstructive and hand surgery in Colorado and Oregon in both academic and private practice settings. During his 15 years in Oregon his family relocated to Missoula, an ideal place to raise two outdoor oriented kids, while Dr. Peterson commuted weekly. During his tenure as a human surgeon Dr. Peterson strove to stay in touch with his veterinary roots by keeping up-to-date with veterinary continuing education and by periodically operating with local veterinarians. When the opportunity came up to come full circle and work with Drs. Wheeler and Jackson at Sentinel Veterinary Specialists and Emergency, it was an opportunity he could not pass up. During his professional career Dr. Peterson published over 40 peer reviewed publications and authored or co-authored over 10 book chapters in both the human and veterinary surgical literature.

Ann Vestal

Dr. Ann Vestal
Veterinarian

Dr. Ann Vestal grew up in Tulsa, Oklahoma, and obtained her DVM from Oklahoma State University in 2007. She has practiced veterinary medicine in Missoula, downtown Chicago, different locations in Colorado, and has been back in Missoula for the past three years. She loves emergency medicine and surgery and is honored to be certified in equine and small animal acupuncture. Dr. Ann lives in Missoula with her husband, Trevor, and their beloved dogs, silly horse, and ridiculous chickens. In her free time, she enjoys spending time with her beloved family, yoga, hiking, floating the river, paddle boarding, mountain biking, and horseback riding. Dr. Ann is proud to call Missoula her forever home and looks forward to her exciting future with Sentinel.

Our Staff

Stefani

Stefani
Technician

Stefani is an Licensed Veterinary Technician and Michigan native who moved to Missoula in October 2018. She has been in the veterinary profession for 10+ years and although she loves all animals, she has a special fondness and adoration for cats! Stefani is passionate about Emergency Medicine and is currently pursuing her Specialty Degree (VTS) in Emergency and Critical Care. When she is not working she enjoys spending time with her husband, Oliver.

Morgan
Technician

Morgan moved to Missoula from western Washington in the fall of 2021 to further her career. Prior to that, she worked at a general practice veterinary clinic for a little over 2 years. She grew up in 4-h and FFA showing cattle. She is currently going to school to become a licensed technician. In her free time, she likes to go on adventures with her dog, Tilly Moo and horse, Coal.

Ciara

Ciara
Technician

Ciara grew up in Western Washington and has been working as a technician since 2017. She has worked in general practice as well as emergency. Ciara’s professional interests include animal behavior and stress management in a hospital setting, soft tissue surgery and emergency triage. She will soon be attending veterinary school and someday hopes to have her own practice. Ciara has three of her best friends here with her– her border collie mix, Maya, her cat, Onyx, and her paint horse, Stratus. Together they enjoy dog agility, horse showing and hiking.

Toni

Toni
Technician

Toni has been a tech for 18 years in Texas, Washington and Montana. Her passions are exotics and surgery. She lives on a small farm in St. Ignatius where they raise sheep, geese, goats, ducks, turkeys and chickens. She also has 5 dogs, 4 cats and rabbit named Bunny White.

Vanessa

Vanessa
Technician

Demetrius
Technician

Katie

Katie
Technician

Katie has been in veterinary medicine for almost 12 years. She enjoys being a part of a field that allows her to challenge herself in many aspects, all while helping those who cannot help themselves. Honing technical skills and applying practical skills alongside intelligent, caring and funny coworkers is the icing on the cake.

Michaella

Michaella
Technician

Michaella moved from Colorado to Montana in fall of 2019. She recently completed her associates of applied science and is a certified veterinary technician. Michaella has experience in the field with small animals, exotic pets, and even some wildlife. Her passion for emergency care brought her back to Sentinel after graduating. She is fear free certified and certified for basic and advanced life support. She hopes to continue her work in the veterinary field for many years to come and is very excited to see what the future holds for her. When she isn’t at work, she enjoys painting, exploring, or picking up a new hobby altogether.

Shelby
Technician

Shelby has been working in the veterinary field close to three years now. She has experience with small and large animal medicine. She graduated from Pima Medical Institute in January of 2021 and has become a Certified Veterinary Technician. Shelby has an interest in becoming a specialist in either equine nursing or emergency critical care. She spends her free time hiking, camping, fishing, and hunting. She has two dogs, a cat, and a leopard gecko at home.

Shellina

Shellina
Technician

Shellina started her career in veterinary medicine when she left Montana and moved to Texas. She returned to Montana in November 2019 and now has nearly 10 years of experience in the veterinary field. She is particularly interested in equine medicine and emergency and critical care. Shellina enjoys riding horses or spending time outdoors with her two dogs Pandora and Zodiac when not at work.

Aliedra (Alie)

Aliedra (Alie)
Technician

Alie has been working in veterinary medicine since 2014. She continued on to achieve her Certified Veterinary Assistant in 2017, and graduated as a Certified Veterinary Technician in 2019. A few of her professional interests include the human-animal bond, anesthesiology, emergency/critical care, orthopedics, multimodal pain management, and exemplary patient care. Alie’s future plans include completing a bachelor’s degree as a Veterinary Technologist and specializing in either emergency/critical care medicine, anesthesiology, or both!

Shelby

Shelby
Technician

Shelby has been working in the veterinary field for the past three years and has experience with small and large animal medicine. She graduated from Pima Medical Institute in January of 2021 and has become a Certified Veterinary Technician. Shelby is interested in becoming a specialist in either equine nursing or emergency critical care. She spends her free time hiking, camping, fishing, and hunting. She has two dogs, a cat, and a leopard gecko at home.

Elizabeth
Technician

Liz is a Missoula native that has just recently returned to the area. She grew up riding horses and showing cattle in 4H. At home she has two rambunctious young sons and a lot of animals to keep her busy. She loves to read, knit, hike and bake in her off time. She also loves to travel and try new things. If you see her out and about with her two dogs, The Old Man and Doug, say hello!

Jodie

Jodie
Technician

Jodie is a licensed technician & has been working in veterinary medicine for 9 years now. In the veterinary field her passions lie in anesthesiology & surgery. Jodie loves to get out & adventure with her dogs, ride dirt bikes with her husband, & spend time with friends.

Sigourney

Sigourney
Technician

Sigourney graduated from veterinary technician school in Spring of 2020 and moved to Montana to pursue her bachelors degree in Animal Science. Growing up she was involved in 4-H. She has a 16 year old cat named Smudge and is interested in large animal medicine, emergency, and cardiology. In her free time she likes baking, being outdoors, and learning new skills to better herself.

Arianne

Arianne
Assistant

Linda
Assistant

Linda has long loved animals and has worked as a certified dog trainer and certified medication technician before becoming a veterinary assistant at Sentinel. When not at work, she and her husband of 42 years embark on woodworking projects and spend time with their three sons and two grandsons. 

Natasha
Assistant

Chesney

Chesney
CSC/Assistant

Chesney grew up in western Washington and attended college at Oregon State University where she quickly learned she wanted to work with animals, specifically cattle and horses. She bounced around working at various cattle ranches where she met her husband. She and her husband married in Montana where they now have three children. They feel at home here with their “herd” of dogs and kids!

Maggie
CSC/Assistant

Maggie is a fourth year Wildlife biology student at UM. She has worked in veterinary medicine for about two years and loves getting to meet all of the animals and learning their personalities. When not working she likes to go hiking, backpacking, and biking with her black lab Opal.

Ivan

Ivan
CSC

Ivan knows that we all grow up in different situations, and his circumstances led him to be a kind, caring individual. He loves getting to be there for people when they need help most, when their best friend is sick and they need someone to lean on. He works at Sentinel so that people can have a reassuring voice to keep their hearts and minds whole if their world starts to crumble.

Kate

Kate
CSC

Kate has worked coordinating care for both humans and dogs for many years now. After retiring from a successful career in healthcare & human services, she’s enjoyed the fast pace at Sentinel Veterinary. As a passionate animal lover - ask her about her dogs! She loves getting to meet new and returning clients every day. When Kate isn’t at work, she’s spending time outside hiking and walking with her Corgi, Bart, and teaching her grandsons how to have fun!

Michelle

Michelle
CSC

Michelle has worked in the human medical field for 20 years. She loves animals and decided the time was right to expand her medical knowledge by helping animals.

Sarah

Sarah
CSC

Sarah has a degree in Anthropology and an extensive background in law, technical writing, and administrative services. She has also worked as an EMT for ~3 years on the ambulance in Missoula. She loves animals of all shapes and sizes, so Sentinel is a natural fit for her!

Violet

Violet
CSC

Violet recently moved from Kansas City to Missoula to pursue a career in real estate. Her heart has always been with animals, so she decided to work somewhere that brings her fulfillment and happiness until she is ready for the next chapter of her life. Her pride and joy are her dog, Penni, and her cat, Frankenstein.