Stone Oak Clinic | HealthTexas | Best Family Doctors In San Antonio

Stone Oak Clinic

Stone Ridge Shopping Center

Evening Clinic

Hours: Monday 7:30 am - 5:00 pm
Tuesday 7:30 am - 8:00 pm
Wednesday, Thursday, Friday 7:30 am - 5:00 pm
20821 US Hwy 281 N Ste 122 | San Antonio, TX 78258-7593
Telephone: (210) 546-1600 | Fax: (210) 546-1610

Aaron King M.D. is a board certified family practice physician with interests in the areas of diabetes, hyperlipidemia and metabolic syndrome. Dr. King started his career as a physician in the United States Navy from 2001 until 2007, serving in both domestic and overseas locations.


Dr. Dan Powell was born in Amarillo, Texas and was raised in the Dallas-Fort Worth area. Dr. Powell attended medical school at the University of Texas Health Science Center, where he received his degree in 1991 and completed his residency program at St. Joseph's Hospital in Denver, Colorado.


Mr. Hernandez was born and raised in Mission City, Texas of the beautiful Rio Grande Valley. Upon graduating high school, he attended undergraduate school to earn his Bachelor of Science in Biology at the University of Texas-Pan American. He continued his Physician Assistant degree at the University of Texas Rio Grande Valley.


Ms. Stauffer grew up in the Virginia Beach, Virginia area. Having been raised in a military family, she had the opportunity to live in Mississippi, Florida and Georgia.



Carolyn W

I always feel that my provider, Dr. Powell, genuinely cares about my health. He is also very easy to talk to.

William S

Dr. Powell is if not the best dr. I have ever had I am 79 yo & have seen plenty!!

Ruben M

NP Nichole Stauffer was AMAZING and so caring! Listened to everything I had to say and showed genuine concern for my health. The front desk staff Demi and Isabel were so nice and helpful. Michelle Buckle the triage MA was so friendly and funny. Michael Soto greeted me with compassion even though we didn't get him as our MA. I am definitely recommending NP Stauffer and the Stone Oak crew to all my family and friends. NP Stauffer is truly an blessing!

Gilberto S

Dr King if a phenomenal health care provider. I'm so lucky to have him in my corner to help me though my diabetes. He is a great coach and I respond very well to his "bed side manner." He listens patiently and provides great direction. He treats me with the utmost courtesy and respect.

Devin S

Dr. King is so informative. He is the first diabetes doctor that makes me feel empowered to control my diabetes and doesn't make me feel like walking out with my head down. He's all around the best, in my book.

Danielle F

Dr. King is the best doctor I have ever had. He has recently become my regular PCP and I can not brag about him enough. He always listens to what I have to say, is personable, and gives me the best service possible. I recommend him to all of my family and friends. Dr. Aaron King is phenomenal! I am so grateful for him.