Cathy Castillo

Cathy Anne Castillo, MD

Family Medicine

ARC Hutto Ages seen: 18 - 99 Languages: Spanish Joined ARC: 2006

512-846-1244 Look Up Insurance

About Cathy Anne Castillo, MD

  • Dr. Castillo is moving her practice to our new ARC Senior Care, opening on April 3, 2023. Her last day seeing patients at ARC Hutto will be Friday, March 31, 2023. Read letter.

    To continue your care at ARC Hutto, Dr. Castillo recommends the providers below.

    To continue your care with Dr. Castillo at ARC Senior Care, if you are 55 years or older with multiple chronic conditions, and insured through traditional Medicare or Medicare Advantage plans, you can book an appointment via ARC MyChart account or call 512-ARC-INFO (512-272-4636).

    Dr. Castillo grew up in the small south Texas town of Beeville. She received her undergraduate degree from Southwestern University and her graduate degree from The University of Texas Medical Branch in Houston. She lived in Southern California for five years and completed her residency program there. After completing her residency program, Dr. Castillo worked in urgent care in California for two years before moving back to Texas. She loves living in Hutto and being so close to Austin, and looks forward to a long career here.

I prefer to promote prevention. I like to address problems early on and head on so that we can avoid problems down the road. I am interested in treating diabetes. It is a very big problem in my family so I have personally seen its effects.

Locations & Hours


  • Board Certifications
    Board Certified in Family Practice
  • Medical School
    University of Texas Medical Branch, Houston, TX, 2000
  • Residency
    Ventura County Family Practice Residency Program Ventura, CA, 2003
  • Professional Positions
    • Best Family Doctors - 2020