Dr. Felice Gersh

Board Certified: OB/GYN, Integrative Medicine

Felice L. Gersh, M.D. is that rare combination of a physician who is Board-Certified in both OB/GYN and Integrative Medicine who is able to utilize the most cutting-edge and high-tech diagnostic testing, while incorporating science-based therapies – from the herbal to the surgical – to assist in the healing process.

Bob Tygenhof

Certified Personal Trainer

Bob received his undergraduate degree from Princeton University and a Master’s degree from the University of Southern California, and continues to pursue his life-long love of physical fitness, exercise, and nutrition.

Mina Tohid

Vascular Ultrasound Technician

Mina Tohid is a highly skilled ultrasound technologist with over 30 years of medical experience. She has specialized training in performing ultrasound studies of the carotid artery to screen for stroke risk, the abdominal aorta to screen for abdominal aorta aneurysms, and lower extremities to screen for peripheral artery disease.

Karli Koval

Physician Assistant

Karli Koval, PA-C, is a board-certified physician assistant who has been passionate about integrative medicine since she stumbled upon it as a patient dealing with hormonal dysfunction in her teen years. Karli’s passion for the medical field comes from her desire to develop a meaningful relationship with each and every patient where the individual’s unique…

Cherie Rife, LMT, HHP, NCBTMB

Certified Licensed Massage Therapist

Cherie specializes in relieving pain caused by migraine headaches, arthritis, fibromyalgia, pre- and post-surgical procedures, automobile and sports injuries. She is highly adept at releasing impinged nerves and bound-up muscle fibers.

Alexandra Hemphill, NP-C

Certified Nurse Practitioner

Alex Hemphill, NP-C, brings over a decade of clinical experience to The Integrative Medical Group of Irvine. With an extensive background in preoperative and postoperative care at UCI Medical Center, including leadership as a Charge Nurse, she developed advanced assessment skills, strong clinical judgment, and the ability to navigate complex medical environments with clarity and composure.

Bonnie Aun, RN

Registered Nurse

Bonnie Aun, RN is a dedicated and compassionate Registered Nurse with extensive clinical experience in acute preoperative and postoperative care, as well as a variety of clinical settings. She is recognized for strong clinical judgment, a deep commitment to evidence-based practice, and exceptional collaborative skills, while always prioritizing patient-centered care, patient safety, and continuous quality improvement.