Meet the Team
Dr. Gretchen Koch
Blending Skill with Soul
Dr. Koch’s professional path is adorned with notable accomplishments, including advanced surgery training through the Viticus Group and Arthrex, becoming a certified animal nutritionist, and pursuing ozone therapy certification. Her dedication to continuous learning and growth is paralleled by her ambition to enhance veterinary education, evident in her initiative to develop comprehensive training programs at her previous workplace. This blend of surgical skill, a commitment to lifelong learning, and a multifaceted life outside the clinic make Dr. Koch a pillar of expertise and inspiration at Kaibab Animal Hospital.
Exceptional Surgical Expertise
with Dr. Koch
Dr. Ashley Schwartz
Harmonizing Alternatives with
Western Medicine
she finds solace in fly fishing, hiking, and scent work with her loyal companion, Kaiser. Dr. Schwartz also enjoys the tranquility of grilling, relaxing by the fire, soaking in hot springs, and cultivating her garden, mirroring her deep-rooted connection to nature.
Dr. Schwartz’s journey is colored by her commendable service in the United States Marine Corps, with deployments in Afghanistan and Iraq, shaping her exceptional leadership skills and unique perspective on care. Her vision for veterinary medicine is one of personalized care and innovative solutions, always seeking to reduce the burden of conventional treatments on pets and their families.
Embrace Complimentary Healing
with Dr. Ashley Schwartz
Veterinary Specialist Partners
Dr. Megan Schaible
Vet SurgiCare
We are proud to partner with a board-certified veterinary surgeon from VetSurgiCare who travels to our clinic to perform advanced surgical procedures that go beyond the scope of general practice. This partnership allows us to offer a higher level of care while keeping your pet in a familiar, trusted environment. By working closely together, our team and the visiting specialist ensure seamless communication, personalized treatment planning, and continuity of care before, during, and after surgery.
Dr. Megan Schaible is an Arizona native and grew up in Chino Valley. She attended the University of Arizona for her Bachelor of Science (2003). Then attended Michigan State University and received her Doctorate of Veterinary Medicine (2007). Upon graduation she first worked in Arenas Valley, NM, and then Chino Valley and Flagstaff, AZ in mixed animal practice (2007-2011). She then elected to pursue advanced training completing a rotating internship at Sonora Veterinary Specialists in Phoenix and a surgical internship at VCA Advanced Veterinary Care Center in Indiana. Dr. Schaible then completed her 3-year surgical residency at Veterinary Specialty and Emergency Center in Levittown, PA (2016).
Dr. Schaible then returned to Arizona and received her Diplomate status with the American College of Veterinary Surgeons (2017). She spent six years at Southwest Veterinary Surgical Services as a staff surgeon. During that time, she worked with and helped train veterinary students, interns and specialty residents.
Ready for Exceptional Veterinary Care?
Benny
Benny, the beloved Kaibab mascot, joined the team as a stray in 2011. His days are filled with bird watching, napping, feasting, and grooming. As an expert greeter, his mission is to bring smiles to everyone’s faces.
Dafne Granados
Dafne, a skilled veterinary technician from Carrington College, joined Kaibab Animal Hospital in 2021. She excels in venipunctures and surgeries. At home, Dafne’s life is filled with her pets: energetic Peanut, bossy Dulce, awkward Brisa, chill Pepino, a cuddly hedgehog, and a pampered leopard gecko. Outside work, she enjoys video games, crafts, and poetry.
Tylo Dworsky
Tylo, born in China and raised in Phoenix, Arizona, has been a veterinary assistant at Kaibab Animal Hospital since July 2022. With a passion for science and animals, she studied veterinary assisting at the East Valley Institute of Technology. Tylo loves learning about animals, assisting with her roommate’s pets, and enjoys reading, socializing, and gaming in her free time.
Hayley Hannaman
Originally from Scottsdale, Hayley joined Kaibab as an intern while pursuing her dream of becoming a veterinarian. A University of Arizona graduate, she begins vet school at Midwestern in Fall 2025. She loves connecting with patients, learning daily, and spending time with her sweet pup, Willow.
Robert Bisig
Robert is an Arizona native who is excited to start his career in veterinary medicine. He is currently attending Pima Medical Institute to become a certified veterinary technician. One day he hopes to work with exotic animals such as reptiles, large cats, primates, and even elephants.
He shares his home with two cats, Macaroni and Percy. He used to be a member of team Allyoyo and has been yoyoing since 4th grade! In his spare time he enjoys attending music festivals and concerts, and cheering on his favorite sports teams, The New England Patriots and Phoenix Suns.
Angela Navarro
Angela transitioned to veterinary medicine, bringing her love for animals from San Diego to Phoenix. With six mischievous cats, she found her place at Kaibab Animal Hospital in 2022, cherishing customer interactions. Away from work, Angela’s world revolves around books and cherished moments with her grandkids.
Tina Nye
Tina joined Kaibab Animal Hospital in December 2023 with over 22 years of experience in the veterinary field. Tina grew up caring for the stray animals in her neighborhood, which eventually led her to a veterinary career. Aside from the love she has for caring for animals, she also greatly enjoys teaching the next generation of technicians. At home, she has two cats, Thor (a tripod) and Levi, as well as a Goldfish named Mr. P.
Tara
Tara is a skilled veterinary technician that joined us in 2025 with 25 years of experience in the field. She enjoys building close relationships with clients, as well as helping and watching the younger technicians improve their skills. She shares her home with her Greyhound, Ziva, and a tabby named Jaxen. In her free time, she enjoys reading, trying new foods, and spending time with friends.