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About Services


Words from our patients

  • Yelp

    "Dr. Winkler and his Quantum Functional Medicine staff are full of humor, warmth, and practical approaches which are refreshing and effective."

    Joni D.
  • Yelp

    "I can assure you that you will find Dr. Winkler truly interested, caring and understanding of your well being than any other doctor."

    Maria S.
  • Vitals

    "Dr. Winkler is a Functional MD, and thank goodness for him and his team of wonderful, caring and efficient professionals."

    Self-verified patient
  • Vitals

    "Dr. Winkler has an excellent bedside manner. He is warm, caring, exceptionally knowledgeable and conscientious."

    Self-verified patient
  • Vitals

    "He is brilliant and keeps up to date with cancer research and treatments that don't "poison, burn and cut" the patient."

    Self-verified patient


Quantum Functional Medicine
5814 Van Allen Way, Suite 225
Carlsbad, CA 92008
Phone: 760-208-1853
Fax: 760-444-1858

Office Hours

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