(210) 731-4800
About Us
8542 Wurzbach Rd. | San Antonio, TX 78240-1241
Telephone: 210-616-7300 | Fax: 210-616-7359

Wurzbach Clinic

  • Dr. Marianna Ashe was born and raised in Sebastopol, California where she enjoyed the sun and fun outdoor activities.

  • After retiring from the United States Air Force as a Lieutenant Colonel and medical director of the Family Medicine Clinic at Randolph AFB, Dr. Tim Kosmatka brought his wealth of knowledge and expertise to HealthTexas Medical Group.He was born and raised in Sussex, Wisconsin where he enjoyed the outdoors as well as participated in multiple sporting activities. One of  the sports where he excelled was football. His dream was realized when he was able to play college football at the Air Force Academy.

  • Dr. Stella Yu began her career in health care as a registered nurse at St. Joseph Hospital in Houston. While working as a nurse for five years she decided to further her education. She received her Doctor of Medicine degree from the University of the Visayas Gullas College of Medicine, graduating Cum Laude. Dr. Yu completed her residency at the Scranton Temple Residency Program in Pennsylvania.

  • Dr. Clark was born and raised in San Antonio, Texas and earned her Doctor of Medicine from Texas Tech University School of Medicine in Lubbock, Texas. She completed her Internal Medicine Internship and Residency training at the University of Texas Health Science Center at San Antonio.

  • Ashley Hartman was raised in Fort Worth, Texas. Upon graduating high school, she attended Texas State University and received her Bachelor of Science in Radiation Therapy. While at Texas State, she was inducted into the nation’s oldest and largest honor society, Phi Eta Sigma National Honor Society.