Hillside Primary Care

Welcome to Hillside Primary Care

Your health is our # 1 priority.

Providing compassionate and evidence based care to the members of the community is our number one priority. Please take a moment and browse our website to learn more about our providers. We look forward to serving you and your family with comprehensive medical care. Thank you for allowing us to participate in your care.

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Derin Patel MD
  • Name Dr. Derin Patel MD
  • Address 12410 Toepperwein Road, Live Oak, TX 782332339 E. Evans Road, San Antonio, TX 782596500 S. Flores Street, San Antonio, TX 78214
  • Email ucmedclinic@gmail.com
  • Phone +1 210-742-6555

Dr. Derin Patel MD

Dr. Derin Patel is Board Certified Internal Medicine physician with over 10 years of experience. After graduating from Ross University, school of medicine, he completed his residency training at the University of Kentucky for Internal Medicine.

Dr. Patel practiced as a hospitalist in Owensboro, Kentucky for 2 years and then in Evansville, Indiana before moving to Texas and starting his own practice in 2018. His passion to educate his patients on their plan of care while taking the time to listen to his patients makes Dr. Patel a caring and compassionate physician.


Board Certified Internal Medicine


Undergraduate - University of Illinois at Chicago

Medical School - Ross University School of Medicine

Residency Training - University of Kentucky


Board Certified Internal Medicine physician with over 8 years of experience

Garrick Naylor APRN

Garrick Naylor APRN

Mr. Garrick Naylor a Board Certified Nurse Practitioner originally from Brownsville, Texas. He obtained his undergraduate education through the University of Texas at Brownsville gaining experience in the long-term care setting and for over 6 years in the critical care realm. In 2015, he moved to San Antonio to continue working in the Intensive Care Unit. A growing desire for preventative care led him to pursue his Advanced Practice education through the University of Texas at Arlington. Garrick is fluent in English and Spanish and endeavors to provide quality, compassionate care as a Family Nurse Practitioner at Hillside Primary Care.

On his free time, he enjoys watching movies, hiking and most importantly traveling with his wife.

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Felicity M. Guajardo

Felicity M. Guajardo - FNP

Felicity M. Guajardo a Board Certified Nurse Practitioner born and raised in San Antonio, TX. She obtained her undergraduate education at the University of the Incarnate Word in 2007 gaining experience in Medical Surgical, Neuro Surgical & Neuro Critical Care setting for 10+ years. She later furthered her education by receiving her Masters degree in 2015 at the University of the Incarnate Word. Felicity shows great compassion and develops a great relationship with her patients promoting an increased compliance in their healthcare.

On her free time, Felicity enjoys horseback riding and spending time outdoors.

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Ms. Heena J. Rathod

Ms. Heena J. Rathod

Ms. Heena J. Rathod, is a Board Certified Family Nurse Practitioner, originally from Gujarat, India and moved to the United States in 2016. She obtained her undergraduate education from Gujarat, India and gained experience in the medical surgical setting for 4 years. Then she decided to further her education by obtaining a master's degree in 2016 at the Governors State University. She has done extensive training in primary care during her advanced nurse practitioner degree study. She can speak English, Hindi, and Gujarati.

In her free time, she enjoys reading, watching movies, exploring new food, places and traveling.

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