Meet Our Team

  • Dr. Dave Sheen

    Dr. Sheen graduated from Texas A&M College of Veterinary Medicine in 1977, and since graduation he has spent his career providing high quality veterinary medicine to the public of West Texas.  He owned a successful practice in Odessa, TX for 27 years before retiring.  However, Dr. Sheen found that he missed small animal practice and took over Knickerbocker Road Animal Hospital in January of 2009 to once again pursue his passion of veterinary medicine.

    Dr. Sheen is a member of the American Veterinary Medical Association and has served on the Board of Directors for the Texas Veterinary Medical Association.

    In his spare time, Dr. Sheen enjoys showing his cutting horses with the National Cutting Horse Association alongside his lovely wife, Stephanie.  Together they have two children and two grandchildren with more on the way!

  • Dr. Karen Frembgen

    Originally from Texas, Dr. Frembgen is a 2007 graduate of St. George's University School of Veterinary Medicine.  After graduation Dr. Frembgen practiced for several years in California and Seattle, WA.  In 2012 Dr. Frembgen moved back to Texas to get back to her home state and to focus her attention on good medicine. Since she arrived at Knickerbocker Road Animal Hospital, she has developed a devoted clientele.  Her patients include companion animals as well as wildlife and small exotics, such as hamsters, snakes, and reptiles.  Dr. Frembgen is also a member of the American Veterinary Medical Association.

  • Dr. Tyler Cochran

    Dr. Cochran originally started working at Knickerbocker Road Animal Hospital as a veterinary technician while attending graduate school at Angelo State University. After graduating from Texas A&M College of Veterinary medicine in 2016, he moved back to San Angelo with his wife, two children, and 3 dogs. Dr. Cochran has interest in a wide variety of animal species from dogs and cats, to reptiles, birds, small mammals, and wildlife. In his spare time, Dr. Cochran enjoys spending time with his family and adventuring outdoors. Dr. Cochran is a member of the American Veterinary Medical Association and Texas Veterinary Medical Association.


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Office Hours

Our Regular Schedule


8:00 am - 6:00 pm


8:00 am - 6:00 pm


8:00 am - 6:00 pm


8:00 am - 6:00 pm


8:00 am - 6:00 pm


8:00 am - 12:00 pm

12 pm




Read What Our Clients Say

  • "I have always recieved great service from them. From new born kittens, to my dog, to ferrets...I've never felt so comfortable leaving my babies in their hands."