Meet Our Team

Dr. Jacob Torres PhD MPH DC

Founder of the Institute for Functional Health

After seeing family members struggle with health issues all of his life, Dr. Torres was inspired to research why people suffered from debilitating conditions and how the body could be restored to its natural state.

Dr. Torres has helped thousands of patients to find relief from chronic conditions such as high blood pressure, inflammatory disorders, chronic fatigue & pain, diabetes, and numerous autoimmune . . . Read more . . .

Dr. Brad Niewierowski DC, D.PSc

Dr. Niewierowski has been in practice for over 18 years and has helped thousands of patients achieve their goals of living a healthier, more fulfilling, higher quality of life.

Dr. Brad Niewierowski is a Midwestern transplant to San Antonio since 2008. He has brought with him over 2 decades of study, practice and passion in natural health and healing. He hopes to share with as many patients as possible the lifestyle keys for reducing the risk for chronic, degenerative diseases and for reversing the damage that can be caused by those conditions.

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Dr. Linda Esquivel, M.D.

Medical Director of the 

Institute for Functional Health

Dr. Esquivel was born in Laredo, TX. She attended St. Mary’s University in San Antonio, where she graduated Summa Cum Laude. She received her medical degree from the University of Texas School of Medicine at San Antonio and went on to complete her residency in Family Medicine at CHRISTUS Santa Rosa, where she graduated with honors.

Dr. Esquivel has been awarded “Most Compassionate Doctor” in 2009, 2010, 2011, 2012, 2013 and 2014. She is also a 5 year honoree of the “Patients Choice Award”. She has also been voted as one of “San Antonio’s Top 10 doctors” in 2014.

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Allison Stepanenko, MSN, RN, FNP-C 

Allison Stepanenko grew up in Southern California and moved to Texas for high school where she attended Americas High School in El Paso.

After graduation she moved to San Antonio to attend St. Mary’s University and pursue a Biology degree. During her undergraduate education Allison decided to volunteer at Christus Santa Rosa Hospital where she found a passion for healthcare and was particularly drawn to the nurse-patient relationship.

Allison decided to pursue the Family Nurse Practitioner's career after spending time in pediatrics and seeing the impact that parents and role models have on the learned behaviors of children.

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Stop the Cycle of Medications &
Get to the Root Cause