4100 Kirkpatrick Lane

Flower Mound, TX 75028 US

(972) 355-0008

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  • Susan Bates Brashear, DVM

    Dr. Susan Bates Brashear is the medical director for Main Street Veterinary Hospital, she joined the team here in 2003. Dr. Brashear has enjoyed mentoring and training doctors for many years. She was reared in El Dorado, Arkansas, and received her Bachelor of Science in Biology from Abilene Christian University in 1999. In 2003 Dr. Brashear was awarded her Doctor of Veterinary Medicine from Louisiana State University.

    Dr. Brashear is the exotics contributor at the Mark Francis Museum of Veterinary History in Austin, Texas. Her studies at LSU had an emphasis on avian, exotic, zoo and aquarium medicine, and she held externships at the Baton Rouge Zoo and the Audubon Aquarium of the Americas in New Orleans. She also participated in a clerkship at Sea World in Orlando, Florida. You’ll often see her on our social media with creatures of all types!

    Through extensive additional training Dr. Brashear is also an experienced ultrasonographer, she performs our abdominal ultrasounds in-house. An ultrasound, or sonogram, allows us to get more imaging inside your pet’s organs and can be a very valuable tool in diagnosing disease. Her other professional interests include geriatric medicine, pain management, gastrointestinal diseases, endocrinology (hormonal diseases), dermatology and ophthalmology.

    Dr. Brashear is married to Clint Brashear, also a veterinarian. They have one very spirited little girl at home. Dr. Brashear counts reading, scrapbooking, traveling, gourmet cooking, photography and scuba diving among her favorite pastimes. She and her husband share their home with Nigel, a Shih Tzu; Belle, a Cockatiel with special needs; Callaway, a Maine Coon mix found as a kitten on a golf course and Minerva (McGonagall), a 3-legged rescue cat.

  • Heidi Lobprise, DVM, Diplomate AVDC

    Dr. Heidi Lobprise is a Veterinary Dentist that has been a member of the Main Street Veterinary Hospital medical staff since April of 2010. Born in Gary, Indiana, she grew up in Orlando, Florida and then Richardson, Texas, where she graduated from Richardson High School.

    Dr. Lobprise says that she knew from age seven that she wanted to spend her life as a veterinarian simply because she has always loved animals. She began her journey toward her current career at Texas A&M University where she earned a Bachelor of Science in Biomedical Science in 198 and received her Doctorate of Veterinary Medicine in 1983. Her areas of special professional focus include dentistry and senior care. She is also a Diplomate of the American Veterinary Dental College (AVDC.) Dr. Lobprise is the author/co-author of several dental and senior care texts and has lectured internationally. She has served on a short-term mission trip to Mongolia through Christian Veterinary Missions and hopes to travel to other destinations.

    Dr. Lobprise and her ‘hubby-wubby', Joe Kautz, a gunsmith, have a Greyhound named Buddy and two cats named George and Spot. Dr. Lobprise’s daughter Holly, is a financial analyst currently in NYC but moving to South Africa.

  • Jessica Johnson, DVM
    Practice Limited to Dentistry & Oral Surgery

    Dr. Jessica Johnson joined the Main Street Vet team in November of 2016. She was raised in Southlake, TX and received her Bachelor’s Degree in Animal Science from The University of Arkansas. She graduated with honors from Texas A&M College of Veterinary Medicine in 2008.

    Over the course of ten years as a small animal general and emergency practitioner, she developed a special interest in dentistry and oral surgery. She feels blessed to have joined the highly skilled and compassionate Dental Team at Main Street.

    In 2020, Dr. Johnson completed her residency with Dr. Heidi Lobprise DVM, DAVDC to specialize in dentistry and oral surgery. She will be taking short, temporary leaves of absence from Main Street to prepare for the board examinations in 2021 and 2022. 

    Her interests include oral maxillofacial trauma, complicated extractions, oral tumors, periodontal therapy, pediatric dentistry, and endodontics. 

    Her objective is to advocate for her patient’s quality of life through the education of their pet owners. She aims to help her patients achieve a comfortable bite and a mouth that is free of infection and pain. She has repeatedly witnessed the new lease on life that her patients achieve once the chronic inflammation and discomfort in their mouths is resolved. 

    Dr. Johnson also has a passion for providing continuing education to general practitioners.  She writes monthly articles for the local veterinary medical associations, performs in-clinic education at DFW hospitals, and was invited to speak about small animal dentistry at Canada’s largest veterinary conference in 2021.

    She has three children and they share their home with a rambunctious and mischievous shepherd-mix named Biscuit.

  • Geneva Kernaghan, DVM

    Dr. Geneva Kernaghan grew up in Fort Worth, TX wanting to be a Zookeeper. She received her bachelor's degree in Zoology from Texas A&M University in 2015. After deciding to pursue a career in the veterinary field, she attended Kansas State University College of Veterinary Medicine. She graduated in May 2019 and joined Main Street as an associate veterinarian in July 2019. During her clinical year, she completed externships at various exotic animal hospitals and in Tanzania. Her professional interests include exotic animal medicine, soft tissue surgery, and shelter medicine. Her favorite part of being a veterinarian is honoring the human-animal bond no matter the species. She and her husband care for three rescue labs (Walle, Oliver, and Mozzie), two bunnies (Mac and Lenny), and a Leopard Gecko (Midna). She is very excited to be a part of the Main Street team and looks forward to caring for your loved pets and helping them to have a happy, healthy, long life!

  • Jill Langston, DVM

    Dr. Jill Langston grew up in Denver, CO. She stayed within her home state for her education, receiving both her undergraduate and Doctor of Veterinary Medicine degree from Colorado State University. Until recently, she resided in Rochester, NY until a change in job for her husband brought her to Dallas, TX, where she has been extremely grateful for the warmer sunshine and significantly less snow. When she isn't at work, Dr. Langston enjoys traveling and attending other activities with her husband and two daughters. She is also a proud parent to both a cat named Sunshine and a standard poodle named Flurry.

  • Sergio Hernandez, DVM

    Dr. Sergio Hernandez graduated from the Autonomous University of Queretaro Veterinary School in 1990 and went on to practice for seven years in his native city of Queretaro, Mexico in a mixed animal practice. After arriving in the United States in 1997, he pursued and ultimately obtained his EFVCG certification to practice as a DVM in the United States from Oklahoma State University in 2007.  He has trained in soft tissue, orthopedics, internal medicine, and neurology previously.  His passion is in preventative and corrective veterinary medicine as a whole.  He is happily married to a fellow DVM and they have one daughter and share their property with several farm animals.

Mention that you found us from a Google Ad and your pet's First Wellness Exam is Free!

Office Hours


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7:00 am-6:00 pm


7:00 am-6:00 pm


7:00 am-6:00 pm


8:00 am-1:00 pm




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  • "I like the fact that the staff at Main Street Veterinary Hospital is friendly, knowledgeable, and helpful. I would recommend them to my friends and family."
    Kathy Lemoine - Flower Mound, TX
  • "I appreciate the convenience and quality care offered at Main Street Veterinary Hospital. They are very thorough and they are always able to work us in any day. Our dog seem comfortable here. I would recommend them."
    Rauny Ruiz - Flower Mound, TX
  • "I have never been to a vet that was so caring ; the entire staff was amazing. I felt like they treated my dog Rascal like he was one of their own and answered all my questions in great detail. I felt blessed to have been referred here."
    Alexis C. - Flower Mound, TX
  • "Joshua came for shots and a heart worm test, which ended up positive. I am thankful for Dr. Pierson and the vet tech that helped Joshua and I to understand his diagnosis."
    Heather Markanovic - Flower Mound, TX
  • "Polly enjoys her weekly visits for her bath! Everyone seems to like Polly and spoils here rotten! I love it! You all are the BEST! Keep up the GREAT work!"
    Martha Balderston - Flower Mound, TX

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