Meet the Providers

William C. Simon, D.O., M.R.O, M.C.I.M.E
Medical Director

D. C., Cleveland Chiropractic College
D. O., University of Health Sciences College of Osteopathic Medicine
B. S., Nutrition, Park College

Dr. Simon Co-founded New Medical in  2003 after years with the Via Christi Riverside Health System, and has decades of experience as a family practice physician and formerly as a chiropractor. He believes in a holistic, complementarian approach to health care and frequently includes homeopathy and prolotherapy when treating patients.

Dr. Simon is board-certified in Family Practice, certified Master Independent Medical Examiner, a Medical Review Officer, a Fellow in the American Academy of Medical Acupuncture, and is a DOT National Certified Medical Examiner and Reiki Master.

Roger Unruh, D.O.

Dr. Unruh joined New Medical Health Care at its inception in 2003 after years in private practice with the Via Christi Riverside Health System, where he served as Director of Medical Education. Dr. Unruh has practiced pediatrics for more than thirty years.

Donna Bethel (St. Clair), D.O.

D. O., Kansas City University of Medicine and Bioscience

A passionate advocate for osteopathy, Dr. Bethel (St. Clair) is a member of the Sedgwick County Osteopathic Society and the Kansas Association of Osteopathic Medicine, where she serves on the executive committee. In addition, she is a FAA Senior Aviation Medical Examiner and a DOT National Certified Medical Examiner. Dr. Bethel (St. Clair) has been part of New Medical Health Care since 2006.

Lisa M. Harris, PA-C

Lisa holds degrees from Friends University and Wichita State University, and is a 2002 graduate of the Wichita State University Physician Assistant Program. Having been a part of New Medical Health Care since 2004, Lisa is also a member of AAPA, KAPA, and NCCPA. She is a board certified physician assistant and is also a DOT National Certified Medical Examiner.

Thuy Nguyen, APRN-C

Thuy Nguyen is a board certified Nurse Practitioner and has her Bachelor and Graduate degrees from Wichita State University. She is board certified and a proud member of the American Association of Nurse Practitioners (AANP). Thuy is a DOT National Certified Examiner. She is bilingual and has been with New Medial Healthcare since 2015.