Shawn Penn, DVM

Dr. Penn, a Lufkin native, worked at Southwood Drive Animal Clinic before receiving his veterinary license and coming to the practice as full-time veterinarian in 1999. As early as his sophomore year of high school, Dr. Penn knew he wanted to practice veterinary medicine, and that goal took him down the road to College Station, home of Texas A&M University. Dr. Penn earned Bachelor of Science degrees from Texas A&M in Agricultural Economics and Veterinary Science in 1993 and 1997 respectively. He also chose to pursue his doctorate at his alma mater and graduated from veterinary school in 1999 with a Doctorate in Veterinary Medicine. After leaving Texas A&M, Dr. Penn worked a short time in Missouri and Illinois before he moved his family back to Lufkin and came to work at Southwood Drive Animal Clinic. In 2005, he became partners with Dr. Ashburn when he purchased part of the practice. He became a 100% owner in 2015. When Dr. Penn isn’t practicing veterinary medicine, he can be found with his wife Stephanie and two boys, Wade and Ben. He participates with his family in 4-H and sports activities and can be seen trudging through East Texas’ backwoods, ponds and lakes where he hunts and fishes. His family enjoys two dogs, Belle, an English Springer Spaniel and Sadie, a Shih Tzu. They also have two cats, Ninja and Rascal. He is an active member of Timberland Drive Church of Christ and enjoys activities with friends and family.

Doug Ashburn, DVM

Dr. Ashburn graduated from Texas A&M University with a Doctorate in Veterinary Medicine in 1981. After graduation he practiced at Glenwood Animal Hospital in Tyler, Texas. In 1983 Dr. Ashburn moved to Lufkin and began practicing at East Texas Veterinary Clinic. During this time he also became a managing partner in the Diboll Veterinary Clinic, Inc. In 1988 he purchased 20 acres and a small house just outside the loop on Southwood Drive. After an extensive remodel of the house he opened Southwood Drive Animal Clinic in August 1988. Over the years Southwood Drive Animal Clinic has undergone a metamorphosis from a simple clinic with 2 exam rooms to the modern state of the art animal medical clinic you see today. He sold his shares to Dr. Penn in 2015 and is currently working at the clinic on a part time basis. He lives in Lufkin with his wife Susan and their Miniature Schnauzer, Tess. The Ashburns have a grown daughter, Elyse, who lives and works in Washington D.C. with her husband Paul. Dr. Ashburn has always been active in local civic organizations. He has served as Veterinary Science Leader for the Angelina County 4-H, member and president of the Lufkin Host Lions Club, board member of Hospice in the Pines, board member and president of the Lufkin Independent School District as well as many more. He is also an active member in his church. In his spare time Dr. Ashburn enjoys woodworking. You can see his craftsmanship throughout the clinic. He also enjoys traveling with Susan, especially to Washington D.C. to visit family.

Wendy Blount, DVM

Dr. Blount graduated from Texas A&M College of Veterinary Medicine in 1992 and completed a residency in Small Animal Interrnal Medicine at Texas A&M in 1997. She began practicing at Southwood in 1998. She treats dogs and cats only, and currently sees appointments at Southwood Drive Animal Clinic two days each week. Dr. Blount provides Continuing Education Seminars to veterinarians, veterinary technicians and animal control officers. She has recently served as Medical Director & Surgeon for SpayNeuterNac and O’Malley PET low cost spay-neuter clinics. As well, she taught a college course on “Medicine and Behavior in the Animal Sheltering Environment” for Duquesne University, for 7 years. In 2012 she was named the Texas Veterinary Medical Association (TVMA) Companion Animal Practitioner of the year, for recognition in the areas of: distinctive contributions to advancing the standards of professional practice; leadership and contributions to advancing organized veterinary medicine at the local, state and national levels; involvement in civic activities and contributions to community life outside veterinary medicine; contributions to continuing education through seminars and papers presented and published; and contributions to refining techniques and improving methods of veterinary practice.

Tammy Carlton, Clinic Manager

Tammy began her service with us in 2002 after working for 16 years at another local veterinary clinic. She is a lifelong resident of Trinity County and graduated from Centerville High School. She is currently working on her certification as a veterinary practice manager. She and her husband are co-owners of TOY Ranch, a cow-calf operation. In her free time she enjoys spending time with her husband, three children and two grandchildren. She enjoys fishing, sports and showing livestock.


Kathleen Geye, RVT

Kathleen joined the staff of Southwood Drive Animal Clinic in 1990. She was born in California and was raised in Houston. She is a graduate of Texas A&M University, with a degree in Animal Science. She became a Registered Veterinary Technician in 1991. She enjoys gardening, reading, stained glass, jewelry making and has recently started quilting. She shares her home with two dogs, a cat and several goldfish.

Kaylee Floyd

Kaylee is 2014 graduate from Apple Springs High School. She has always wanted to work with animals and came to work at Southwood in March 2016. Kaylee spends her free time with her daughter, friends and family. One of her favorite hobbies is horseback riding.


Kerbie Holmes

Kerbie has been with Southwood since 2014. Originally from Arkansas, she moved to Lufkin in 1996 and graduated from Central High School in 2002. She trained to become a national registered EMT and and is currently attending Stephen F. Austin University to become a registered dietician. In her spare time she enjoys gardening, kayaking and spending time with her boyfriend Scott, golden retrievers named Kody and Mattie, cats Kali and Lucy and her chickens.

Monica Dawson

Monica was raised in Diboll and graduated in 2007 from Diboll High School. She enjoys spending time with her husband and two young sons. She likes to fish, hunt and ride 4-wheelers. She has two dogs that she loves to spoil. Monica feels very blessed to work at Southwood.

Kennel Attendants

Paula Staton

Paula joined our staff in August 2015 after moving to Lufkin from Northern Illinois. She has been married for 30 years and has two sons. Paula has worked in the Veterinary field for fourteen years and animals are her passion. She currently has one dog and one cat.

Becca Werner

Becca is a native of Lufkin and is a graduate of Hudson High School. She is currently enrolled at Angelina College doing basic studies. She hopes to transfer to Texas A&M and pursue a career in Veterinary Medicine. In her free time she enjoys outdoor physical activities with her friends, family and dogs.