Equine Staff

Equine Veterinarians

Martin G. Crabo, DVM
Co-Owner of Chaparral Veterinary Medical Center
Equine Sports Medicine
Equine General Practice

Dr. Crabo joined Chaparral Veterinary Medical Center in 1991. He graduated from the University of Minnesota, College of Veterinary Medicine in 1990 and subsequently completed an internship in Large Animal Medicine & Surgery at Washington State University. Dr. Crabo has been involved in breeding and developing Three Day Eventing horses with his family for the last twenty plus years. He continues to follow and support his daughter, Jordan, in her pursuit of a riding career. You will see them at horse shows throughout the West Coast and the entire country. Besides enjoying horse shows in his time off, Dr. Crabo is an avid skier, mountain biker and enjoys playing ice hockey, travel and the ocean. Professionally, Dr. Crabo's interests include equine sports medicine, lameness, and imaging as well general equine practice. He strives for an in-depth knowledge of equine ultrasound and anatomy through his membership in ISELP, the International Society of Equine Locomotor Pathology.

C. Renee Andrea, DVM, DACVS
Diplomate of the American College of Veterinary Surgeons (Large Animal)
Co-Owner of Chaparral Veterinary Medical Center
Equine Surgeon
Equine Sports Medicine​​​​​​​
Dr. Andrea was born and raised in the state of Washington where she held her first job cleaning kennels at the Gig Harbor Veterinary Hospital. She obtained her Associates Degree in Animal Health Technology and worked her way through college as a Certified Veterinary Technician. She then attended Washington State University where she graduated with a B.S. in Animal Science in 1990, and her DVM, with honors, in 1994. Dr. Andrea came to Arizona to complete an internship at Arizona Equine and thereafter, completed a residency in equine surgery at the University of California, Davis. She earned her Diplomate status as a Board Certified Equine Surgeon in 1999. Dr. Andrea joined Chaparral as an equine surgeon in 2001 and became a partner in the practice in 2003. She was grateful to help build the referral and surgical portion of the practice and the transition into Chaparral Veterinary Medical Center in 2008 was a dream come true. She has enjoyed growing with the practice over the years and continues to be a huge part of the Chaparral team.
Dr. Andrea has published research in equine orthopedics, as well as soft tissue reconstructive surgery. She specializes in all areas of lameness, sports medicine, and surgical conditions of the horse. Training in the southwest solidified her love of the acute abdomen (surgical colic), but her true passion is orthopedic and reconstructive surgery. Dr. Andrea brings a unique perspective to diagnosing and treating conditions of the equine athlete, being a barrel racer herself and having years of experience working on horses from all disciplines with performance-limiting lameness issues. She strives to provide the most cutting edge treatment modalities to her patients, staying current with advances in regenerative medicine and combining these treatments with surgical therapy when needed.
Dr. Andrea and her family (husband Mike Freeland, and sons Canon and Shea) currently have 9 horses that complete their rodeo team. When not making a run herself, she is keeping the rope horses working.
Christine Moyer, DVM, MS, DACVS
Diplomate of the American College of Veterinary Surgeons (Large Animal)
Equine Surgery and Critical Care interest​​​​​​​
Dr. Moyer grew up in Kansas showing hunter/jumper horses, and continued to ride on the Kansas State University NCAA Equestrian Team. She completed her undergraduate degree and veterinary school at Kansas State University, graduating summa cum laude in 2013. Dr. Moyer completed her internship at Rood and Riddle Equine Hospital in Lexington, Kentucky focusing in surgery, internal medicine, and anesthesia. She then completed a second internship in internal medicine at Marion duPont Scott Equine Medical Center in Leesburg, Virginia. She stayed at Marion duPont Scott EMC for her surgical residency until its completion in the summer of 2018. Concurrent with her surgery specialty training, she completed a master's degree focused in equine wound healing. Dr. Moyer has been a part of the team at Chaparral Veterinary Medical Center since July of 2018 and is eager to be a part of the Arizona community. Her clinical interests include a wide variety of emergency, critical care and surgical conditions, with a special interest in critical emergencies and triage care. She also has an interest in equine sinus pathologies and lameness. In her spare time, Dr. Moyer enjoys spending time with her husband, Chance, and German Shepherd, Docker.
Elyse Durket, DVM, DACVS
Diplomate of the American College of Veterinary Surgeons (Large Animal)
Equine Surgery and Sports Medicine interest​​​​​​​

Dr. Durket is originally from Ohio where she had her first job working with small animals and shadowed an ambulatory veterinarian as a high schooler. She went off to Miami University and got a bachelors degree in zoology. She also met her husband and became a “Miami merger.” After undergrad, she achieved her lifelong dream of becoming a true Buckeye. She graduated veterinary school from The Ohio State University. She came to Chaparral Veterinary Medical Center and discovered her love and passion for equine surgery during her internship. She then pursued further training at the University of Florida with an internship in surgery and sports medicine. After her year in Florida, she returned to the Midwest to complete a surgical residency at Iowa State University. She has a passion for lameness, sports medicine and colic surgery. She has published research in both orthopedics and post-operative colic management. Dr. Durket has a passion for horses and aspires to have a horse of her own soon; in the meantime, she is currently exploring which discipline is her favorite. She also may be a low- key crazy cat lady.

Anastasia Keyser, DVM
Equine General Practice​​​​​​​


Dr. Anastasia Keyser joins Chaparral from Texas. Although she did not get the opportunity to grow up on a ranch, her family always had horses. She was riding before she could walk and continues to maintain that passion for horses. Dr. Keyser initially received a BA in business administration majoring in business management. Her decision to pursue veterinary medicine followed a few years later after realizing that she wanted to do even more to help horses besides training them and running a 501(c)3 horse rescue. She attended Texas A&M University’s College of Veterinary Medicine and Biomedical Sciences. During her time in College Station, she was employed in the large animal ICU at Texas A&M Veterinary Medical Teaching Hospital. After veterinary school, she completed an internship at Reata Equine Hospital in Weatherford, TX. Dr. Keyser is an equine general practitioner who provides ambulatory and in-clinic services. Dr. Keyser enjoys all aspects of equine medicine with a special interest in dentistry, reproduction, and sports medicine/podiatry. She currently owns 7 horses and 3 dogs. Dr. Keyser often spends her free time trail riding, hiking, camping, scuba diving, skiing, traveling, and competing in horse shows.
Evan Scott, DVM
Equine General Practice and Sports Medicine​​​​​​​
Dr. Evan Scott is from Fort Worth Texas and attended Texas A&M University earning a Bachelor of Science majoring in Biomedical Sciences in 2011 and a Doctor of Veterinary Medicine from Texas A&M in 2016. He went on to a sports medicine fellowship in Pilot Point, Texas working on show horses across the US and Canada, and was one of the attending vets at AHA Canadian, Youth, and US Nationals as well as numerous regional shows across the country. He has been a practicing member of the International Society of Equine Locomotive Pathology and a Federation Equestre Internationale, FEI, Treating Veterinarian at CSI4*-W Longines world cup qualifier. He enjoys sports medicine including regenerative medicine and stem cell as well as general practice. He is trained in acupuncture and chiropractic and uses them in conjunction with western medicine to achieve the best possible result for his patients. Outside of work he plays on an adult league ice hockey team and enjoys scuba diving and spending time with his girlfriend who is also an equine veterinarian and their two horses Bertha and Kid, and three dogs Lou, Tuck, and Carlos.
Jillian Minuto, DVM, DACVIM
Equine Internal Medicine​​​​​​​
Dr. Minuto was born and raised in Pittsburgh, PA, where she rode recreationally before becoming active in 4H. She completed her undergraduate degree in animal science at the University of Vermont before graduating from the Ohio State University for veterinary school in 2018. Dr. Minuto completed a rotating internship at Mid-Atlantic Equine Medical Center in New Jersey, focusing on internal medicine, surgery, anesthesia, and ambulatory practice. She then completed a residency in large animal internal medicine at Tufts University in Grafton, MA. Dr. Minuto's clinical interests include medical causes of poor performance, neurological disease, neonatology, and emergency and critical care. She has completed extensive research looking for novel treatments of Equine Asthma. Outside of the office, Dr. Minuto enjoys spending time outdoors - skiing, mountain biking, and paddle boarding.
Kaylee DeBusk, DVM
Equine Intern Veterinarian​​​​​​​
Dr. DeBusk was born and raised in Orange County, CA where she spent most weekends at her local barn. She graduated from Washington State University with a bachelor's degree in Animal Science. Following undergraduate studies, she attended Ross University School of Veterinary Medicine on the Caribbean island of St. Kitts & Nevis where she held a coordinator position with the AAEP student chapter. She completed her clinical year at Texas A&M University before graduating in May of 2022. Veterinary interests include anything in the equine realm of medicine, specifically dentistry, lameness, and ambulatory practice. When she is off duty you can find her with her dog Rose, who likes to join in outdoor activities like paddle boarding.
Rebecca Abanto, DVM
Equine Intern Veterinarian​​​​​​​
Dr. Rebecca Abanto is a Peruvian veterinary graduate of the Universidad Cientifica del Sur. For as long as she can remember, Dr. Abanto has been interested in equine medicine and during her studies in Peru, she shadowed many equine veterinarians. Dr. Abanto worked with the Equitarian Initiative in Cusco multiple times getting to spend time with horses, donkeys, and mules. After graduating she moved to Miami, Florida where she worked with small animals in general practice, emergency, and Oncology. In 2021, she performed her first internship in California. Now she is doing her second internship in order to get a residency in internal medicine. In her spare time, she enjoys working out, running, and playing with her cat Tomas.
Julia Quental Caribe, MV
Equine Intern Veterinarian​​​​​​​
Dr. Quental is from Brazil and earned her Veterinary degree from the University of Sao Paulo. She has one horse and two dogs, and enjoys horseback riding, handball, and many other sports.
Luma Max, MV
Equine Intern Veterinarian​​​​​​​
Dr. Luma Max is from Mato-Grosso, Brazil, and went to Veterinary school at Minas Gerais. She enjoys car racing, especially Formula 1, studying, and self-development.
J Brent Rollins, DVM Emeritus
Dr. Rollins originally founded Chaparral in 1971 and retired at the end of 2012 after 45 years as an active practicing veterinarian. He is a 1967 graduate of Colorado State University where he received his DVM. He grew up in Phoenix, attending Osborn grade school, Washington High School and Arizona State University. His interest in horses came from his dad's Thoroughbred Racing Business (started on the end of a pitchfork and ended up with a trainer's license before Vet School).

After receiving his DVM, he served for three years as a captain in the US Army in Fort Detrick, MD. After the service, Dr. Rollins completed an Equine Internship at the University of California, Davis, Veterinary Teaching Hospital. In July 1971, he entered private equine practice in North Phoenix.
Dr. Rollins feels his greatest accomplishment is his family. Brent and Francie have been married since June 1st, 1963. They have five children and 25 grandchildren (at last count) and his days of retirement were spent keeping up with all their activities.

Dr. Rollins will be missed and forever memorialized as a part of our team at Chaparral. He passed away on January 27, 2018 surrounded by his loved ones.

Equine Technicians

Brooke Taranton
Clinical Operations Manager
Inventory Manager
Originally from San Diego, Brooke is a veteran member of the Chaparral team and has been with us since October 2008. Brooke is our clinical operations manager and also manages our pharmacy and inventory. She has gracefully stepped into this role and has remained a leader of the team, training others in anesthesia and day to day operations. Her love of horses began at the age of 3 and she has made horses her life. In her work life, she most enjoys the challenges of organizing the work flow and helping out where needed-she can always figure out a way to help. She loves to ride her horses and enjoys the comic relief of her donkey, Amos. She also has a soft heart for dogs. Needless to say, furry creatures have stolen her heart.
Krista Dupree
Imaging and Equipment Specialist
Equine Anesthesia Technician
Krista is an Arizona Native with a passion for horses for as long as she can remember.  Krista has been with Chaparral since 2011.  She is an equine anesthesia technician, she manages the equipment needs of the clinic and she runs the imaging department at the clinic.   You will likely see her out with Dr. Andrea or busy doing a bone scan or MRI. She is married, has three dogs, and a baby.  She enjoys riding and spending time with family and friends.
Lauren Lopez
Equine Anesthesia Technician
Lauren was born and raised in Phoenix and has always had a love for animals. It wasn't until 2016 that she discovered her interest in horses and veterinary medicine. Lauren completed the veterinary assisting program at Pima Medical Institute and was hired at Chaparral in September of 2018 as a pharmacy technician. Since then, she has advanced her career as an equine surgery technician and recently completed training for anesthesia. In her spare time, she enjoys spending time with her significant other and traveling whenever possible. She has three dogs; Zeus, Hux, and Willow and is expecting her first child in February 2023.

Taylor Taranton
Equine Anesthesia Technician
Advanced Imaging
Taylor is originally from San Diego, CA. She moved to Scottsdale when she was 3. She followed in her older sisters’ footsteps and fell in love with horses. Now she is a single mom to Tucker her son, they both lived in Melbourne, Australia for 2 years while she attended Swinburne University of Technology where she earned her Certificate in Early Childhood Education. She worked in that area for 5 years and had to follow her heart back to her love of horses.

Alexa Bernal
Equine Surgical Technician
Alexa is from Yuma, Arizona. She is currently studying the race track industry at U of A. She has two cats, Simon & Tino, and one dog, Daisy. In her spare time, she enjoys photography.
Kenzie Smalls
Equine Critical Care Technician
Kenzie brings smiles to our patients at night when nobody else is here. As a night tech, she takes advantage of the daylight hours by attending Equine Science undergrad courses. She loves her adorable dog named Gohan.

Kallie Smith
Equine Critical Care Technician
Kallie recently moved to Arizona from San Luis Obispo, California. Since arriving at Chaparral, she has distinguished herself by earning a scholarship from the American Association of Equine Veterinary Technicians for a certification program. When she isn't taking care of the hospitalized horses, Kallie spends time with her cat named Murphy and enjoys lacrosse, horseback riding, and hiking.

Larissa Pietrzak
Equine Ambulatory Technician
Larissa came to Chaparral from her hometown of Woodstock, Illinois in February of 2021. Previously, she attended Iowa State University where she majored in Animal Science. Outside of work, she enjoys trail riding with her 23-year-old Quarter Horse, Shadow, and photography.

Lauren Rosendahl
Equine Ambulatory Technician
Lauren was originally born in Washington, D.C. but has been in Arizona for 16 years. She has studied both political science at NAU and biology at ASU. Her children are her animals, lol, who include her horse Cash and her dogs Stella and Hellie. Lauren enjoys rock climbing and kayaking when she isn't helping to save horses' lives.

Taylor Rogers
Equine Ambulatory Technician
Taylor originally started work with us as a Practice Representative but is now working on the trucks with the Equine doctors. She is from Long Beach, California, and has been with us in Arizona for seven months. She has a Blue Heeler, Annie, and a Shepherd mix named Ace. She enjoys hiking, shooting, and riding the sand dunes on quads and dirt bikes.

Administration/Support

Brandt Cassel
Practice Administrator​​​​​​​
Brandt is originally from Southern California and has spent many years in healthcare management and operations positions. He has a BS in Organizational Management from the University of La Verne, and an MBA in Healthcare Administration from the University of Saint Mary. Brandt enjoys spending time with his dogs Elvira, Larry, and Zippy. He and his beautiful wife, Heather, enjoy beach camping and spending time with their two lovely granddaughters.
Holly Taranton
Lead Practice Representative
Holly is a pivotal part of the Chaparral team as a practice representative and master of many things. She has a long history of administrative work in the legal, real estate development, construction and shopping center management industries and has always had a love of animals. She started off her oldest daughter at the age of 3 riding horses and her love of horses continued with her other 2 daughters. She now enjoys spending time with her husband, 3 grown daughters, her grandson and their many rescue dogs and horses. She, her husband, middle daughter, and grandson recently moved back to the United States from living in Melbourne, Australia.
Cassidy Harper
Practice Representative
Cassidy has lived in Arizona her entire life. She has a Bachelor's degree in family and human development from ASU. When she isn't delighting our clients with her big smile and helpful demeanor on the phone or in person at the front desk, she is spending quality time with her three horses and three dogs.
Alexander Cota
Practice Representative
Alexander is from Scottsdale, Arizona. Prior to joining the Chaparral family, Alexander was a cosmetologist for several years. Alexander has studied equine science at Scottsdale Community College and he shares his spare time with his beautiful Egyptian mare, Misk, and Tony the black cat.
Suzan Rockvam
Accounts Receivable Specialist
Suzan is originally from central California, but she has lived in the Scottsdale area for decades. She has always had a passion for animals and raised poodles and Lhasa Apsos in the past. She satisfied her equine passion by completing the Equine Science program at Scottsdale Community College resulting in a degree in Equine Science. Suzan spent many years as the office manager at Southwest Equine Hospital in Scottsdale. She was also employed in administrative positions in retail, real estate, health care and she now has returned to the veterinary world. She is the proud owner of 2 rescue dogs: Sally (a jet-black corgi mix,) & Sunny (a buff cockapoo mix.) Her many hobbies include fitness, music, and travel, but she spends most of her time enjoying her home and teenage son, Robert.
Merle Black
Bookkeeper
Merle recently came to Chaparral Veterinary Medical Center as our new bookkeeper. She recently moved to Arizona from Southern California after many years working in the non-profit sector. The need to assist our fellow man and four-legged friends never leaves our heart, which makes Chaparral a perfect fit for her.
Addie Hill
Pharmacy Assistant
Addie is originally from a small town in Pennsylvania and has been in Arizona for four years. She is studying biological sciences at Paradise Valley Community College. She enjoys fishing, horseback riding, off-roading and has an extreme love for pickleball.
Amy Goda-Dieguez
Barn Staff
Amy has been working with horses for 29 years in many different venues and has been fortunate to have traveled around the United States and the world. She started out working with and riding racehorses and her dream has always been to help care for horses. Amy also loves working with a passionate group of people who love what they do. She enjoys spending time with her wonderful daughter, Mae, and husband, Wilson, who also works at CVMC. 
Kyrsten Gervais
Barn Staff
Ms. Gervais is originally from Boise, Idaho, and has been in Phoenix for four years. Before coming to Chaparral, she was a practicing Massage Therapist. Kyrsten is happily engaged and her children consist of two dogs, two cats, and nine shrimp! She has a life-long obsession with all kinds of animals, insects, biology, and conservation.
Cokie Gritus
Barn Staff
Cokie is a Phoenix native and has a bachelor's degree from ASU in Conservation Biology and Ecology. She has a Frenchie and a Siamese cat and enjoys traveling, wildlife photography, and kickball.
Terry Delaney
Facilities Maintenance and Groundskeeper
Terry recently moved from Michigan where he spent the last 15 years managing an 80-acre private horse farm. We are happy to have him at Chaparral where he has become our go-to guy for all our maintenance needs!

Consulting Veterinarians

Zoe ReedEye Care for Animals
Eye Care For Animals
Joanna Norman DVM, DACVO

Dr. Norman graduated from St. Andrew’s Presbyterian College majoring in both Biology and Chemistry. Prior to veterinary school, she worked in a large equine clinical and research facility in Southern Pines, North Carolina, where she gained valuable experience in clinical research. She also externed at the National Institute of Environmental Health Sciences and worked with a team of oncologists, researching squamous cell carcinoma of the skin. She then received her Doctorate in Veterinary Medicine in 2002 from North Carolina State University College of Veterinary Medicine.

After graduation, Dr. Norman completed a private practice rotating internship in small animal medicine and surgery. For two years prior to beginning her residency she continued as a small animal and exotics general practitioner in Albuquerque, New Mexico. Dr. Norman joined Eye Care for Animals in 2005 and completed her three-year residency in veterinary and comparative ophthalmology. In 2008, she was named Eye Care for Animals’ Resident of the Year. She became board certified and achieved Diplomate status in 2009. Dr. Norman has published literature in both national and international journals of veterinary medicine. Her primary clinical interests are in the management of ocular disease in the horse and corneal and cataract surgery in all species.

Zoe ReedEyeshine Veterinary
Eyeshine Veterinary
Zoe Reed, DVM, DACVO, MFA

Dr. Reed is one of less than five-hundred veterinary ophthalmologists certified by the American College of Veterinary Ophthalmology in the world. Dr. Reed recently opened Eyeshine Veterinary: Arizona’s only locally-owned, independent ophthalmology-only practice treating ‘anything with eyes’ in Phoenix. She treats small patients at Eyeshine and provides ophthalmology services for horses both at local equine hospitals and in-the-field. In addition to seeing patients, she has authored a number of journal articles and continues to participate in clinically-focused research. Dr. Reed attended UC Davis for her DVM degree and completed her comparative ophthalmology residency here in the Valley of the Sun. Experience working in various ophthalmology practices and multi-specialty veterinary hospitals in the western United States inspired Dr. Reed to start her own veterinary ophthalmology practice where she can create an environment focused on caring for animals and the people who love them.