Our Team

Matthew A. Hendley, M.D.

Dr. Matt Hendley is originally from Merit, Texas where he graduated as the valedictorian of his high school class. He then completed his undergraduate education in Biomedical Sciences at Texas A&M University in 2004.  He attended medical school right here in San Antonio at UT Health Science Center and completed his residency at the CHRISTUS Santa Rosa Family Medicine Residency Program where he received training in ambulatory care, internal medicine, obstetrics, gynecology, pediatrics, and geriatrics with a special emphasis on wellness and continuity of care.  In addition, he served on multiple hospital, residency and clinic committees.  Dr. Hendley’s specific professional interests include adolescent medicine, disease prevention, nutrition and wellness.  Dr. Hendley and his wife Kim live in San Antonio.  They have two young children, Braelyn and Mason.  His personal interests include camping, hunting, golf, Texas A&M football and spending time with his family.

Marcy E. Youngdahl, M.D.

Dr. Marcy Youngdahl is originally from Austin, Texas and completed her undergraduate studies at the University of Texas.  She attended medical school right here in San Antonio at the UT Health Science Center and completed her residency at the CHRISTUS Santa Rosa Family Medicine Residency Program where she received training in ambulatory care, obstetrics, gynecology, pediatrics, and geriatrics with a special emphasis on continuity of care.  Dr. Youngdahl served as Co-Chief Resident during her final year of training.  Her professional interests include hospital medicine, women’s health, and using an integrative treatment approach.  Dr. Youngdahl and her husband John live in San Antonio with their dogs Beau and Penny.  Her personal interests include spending time with her family, enjoying the outdoors, and UT Football.

Staff Bios

11-18 photos (5)Tammie Manfull, Office Manager

Tammie has worked over 17 years in medical office systems, with 14 of them being in management. She has been married for 33 years and has 2 grown sons and 4 grandchildren. She and her husband recently moved to Texas from Oregon after military retirement to be near their grandchildren and enjoy warmer weather. She enjoys travel, hiking and church work and loves all things Disney! “The best thing about San Antonio is the wonderful people!”

jessicaJessica Chavez

Jessica was born and raised in San Antonio. This is her first time working in the medical field. She enjoys spending time with her family, boyfriend Nat and son Jonathan. Personal interests include dancing, arts & crafts and taking pictures.

MKMaryKae Cuellar, MA

MaryKae was born and raised in Minnesota. She has been working in the medical field since 2005 with experience in pediatrics, family medicine, military medicine and neurosurgery. She enjoys working with people and providing quality care. She enjoys spending time with her husband Leo, son Leonidus and daughter Leylani. Her personal interests include golf, fishing, hiking, baking and watching football.

janetJanet Duron

Janet was born and raised in San Antonio. Although this is her first time in the medical field, she has 7 years of experience in the health & wellness industry, along with customer service. She enjoys spending time with her husband Roque, one year old daughter Cyena and her Min Pin Buddy Love. Her personal interests include hiking, traveling, arts and crafts.

angelicaAngelica Ortiz, MA

Angelica is a proud Texan born and raised! She has been an MA for four years working with pediatrics and family medicine, hoping to fulfill her dream of becoming an RN. Her personal interests include dancing, listening to music, working out and just living lift to the fullest with her husband Tim and three daughters Alyssa, Chassidy and Bella.

amandaAmanda Saenz, MA

Amanda was born and raised in San Antonio. She was blessed enough to find a company as great as Hill Country Family Medicine to offer her employement right out of medical assistant school. She enjoys helping people of all ages and helping our patients better their health. She likes to spend her free time with her daughter Paisley and husband Ryan, as well as go to the gym, shop and bake.