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Main Street Animal Clin​ic

Meet Our Team

Veterinarian & Owner

Kerbey Joha​nsen, DVM

Dr. Kerbey Johansen has always been interested in healing, and she pursued a career in veterinary medicine at Texas A&M University at College Station. The journey began with Vet Camp as a high school student, then graduating summa cum laude from Texas A&M with a bachelor’s in Biomedical Science in 2003, and on to graduating cum laude with her doctorate in veterinary medicine from Texas A&M in 2007.

Since that time, she has practiced in Temple, Amarillo, Plainview, and Lubbock before coming to San Angelo. She has also done relief work in Christoval and Midland. After that first year in practice, she has worked exclusively with dogs and cats. Her passions are geriatric care, cardiac care, and lifelong wellness through preventative medicine and high-quality nutrition.


Tanna Villarreal, DVM

Born and raised in the Concho Valley, this small town girl grew to love and respect all animals from an early age. Growing up on her family’s cattle ranch in Mertzon gave her ample opportunity to care for and learn from animals both large and small. She decided from a very young age that being a veterinarian was her dream and passion. She pursued that dream through attendance at Texas A&M where she graduated with a Biomedical Science degree in 2008 then subsequently graduated from Texas A&M School of Veterinary Medicine in 2011.

She has practiced at both mixed animal and small animal exclusive practices since graduation and still continues to see animals both large and small. Dr. Villarreal has experience in both traditional veterinary medicine and surgery and has recently expanded her knowledge to include Traditional Chinese Veterinary Medicine to offer a more holistic and individualized approach to each patient through acupuncture, herbs and diet.

In her free time, Dr. Villarreal loves to hang out with her husband, three children, dog Hobo and flock of chickens as well as help out on her family ranch.


Office Manager

Siarah started in the veterinary field as a kennel technician, in the Houston area. After being in the kennel for 3 years, she moved to the front desk. She has now been a veterinary receptionist for 5 years. She has experience in emergency, specialty, and exotics. She was a photojournalist in the Air National Guard, and her spouse is active duty Air Force, stationed here at Goodfellow since 2020. They have 4 dogs. Rocket, Emmylou, Mowgli, who are all dachshunds, and Waverly, who is a heeler border collie mix. Siarah looks forward to meeting all your pets and helping you provide them with the best possible care.


Vet Technician

Andrea is from San Angelo, Texas, and has always had a passion for animals since her childhood. She has grown up with dogs in her home and has recently become a cat mom. She recently graduated this year from Angelo State University with a Bachelor's of Science in Pre-Vet. She has joined the Main Street Animal Clinic team without any prior experience with small animals, as she has worked with large animals at Angelo State. Andrea is enthusiastic about having the opportunity to gain experience with small animal medicine. She hopes to continue on and plans to go to Vet school in the future.


Vet Technician

Brittany is originally from Florida and has always had a passion for animals. She grew up with horses and many pocket pets as well as dogs and cats. Brittany moved to North Texas in 2004. Brittany started as a kennel assistant in 2011, by 2013 she received her CVA from the state of Texas. She has worked in Emergency medicine and day practice. She's worked in North Texas as a kennel assistant/vet assistant, El Paso as a tech/surgery tech, Germany as a tech/ receptionist and Virginia as a receptionist/assistant. She is new to the San Angelo area and is so happy to be back in the state of Texas! Her family consists of her husband Caleb and their son Callum. She also Has a wired hair chihuahua named Pumpkin and 2 cats Sashimi and Birkenstock. She is currently pursuing her RVT and hopes to one day become a veterinarian and open her own practice. She has a passion for preventative health. She looks forward to expanding her knowledge and helping all the patients of the main street animal hospital. 



Brianna is originally from Del Rio, Texas. Her and her boyfriend, Alec make up a family of 3, with their pit bull puppy, Cash. She currently attends Howard College for Border and Homeland Security. With her current studies aside, Brianna decided to join the veter​inary field because of her love of animals. Growing up and even now, Brianna and her family have had a love for Boxers, always havi​ng one in the family. Brianna has 5 years of customer service. She is excited to learn all that she can in the veterinary field, and meet all your pets along the way!


 Vet Assistant

Hi! My name is Bianca. I was born and raised here in San Angelo, Tx. I graduated from Lake View and I attended Howard College and I received my license in cosmetology, but ever since I was a little girl I have had a passion for animals. I moved to San Antonio for about 3 years and I had my son there. My son is my life. He also loves all animals. We both are definitely cat people, but we love our dogs very much too. We moved back to Angelo when he was about 2 and I worked but I didn't love what I did. It had always been a dream of mine to work in the veterinary field and I finally got an opportunity to work at a clinic. I was there for about 4 years and I loved it and still to this day I LOVE what I do.

Our Humble Beginnings

Doctor Johansen purchased this clinic in December of 2020 and is excited to help your fur babies gracefully grow and age so you can enjoy a long and loving relationship!