About Functional PharmRX
Clinical experience, personal attention, and a functional medicine lens.
Functional PharmRX is led by Dr. David Witten, a pharmacist who brings more than 20 years of acute and chronic care experience to wellness conversations.
Meet Dr. David Witten, Pharm.D.
Dr. Witten approaches chronic illness through a functional medicine lens, looking for the root causes that may be contributing to a patient’s health concerns. His own experience as a heart-disease survivor informs his interest in practical, long-term wellness support.
His public professional history includes pharmacy leadership roles across hospital and community settings, with a Doctor of Pharmacy degree from Texas Southern University and a background in biology and chemistry from the University of Texas at San Antonio.
Start with a free introduction
Beyond the practice
A life grounded in family, music, and movement.
Family
Dr. Witten has been married to Michelle Witten for 26 years. Together, they are raising their three daughters.
Musician & fitness enthusiast
Outside of his practice, Dr. Witten is a musician and a fitness enthusiast who values the everyday habits that support wellbeing.
Health coach
His health coaching brings practical encouragement to the routines and goals that matter most to each patient.
The approach
Start with the details that deserve more attention.
Listen
Begin with the concerns, goals, history, and questions that brought you here.
Review
Bring medications, supplements, relevant labs, and your broader wellness picture into the conversation.
Clarify
Look for root contributors, then leave with a better understanding of the available next steps and support that may fit your goals.