Meet Your Providers

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Dr. Nelson X. Simmons

Board-Certifed Family Medicine

Dr. Simmons completed his specialty training in Family Medicine at Scott & White Hospital in Temple, Texas. He is board certified by the American Board of Family Practice Physicians, is a Fellow with the American Academy of Family Practice, and has been recognized as one of the thought leaders in innovative approaches to healthcare in Collin County. Dr. Simmons has been in private practice since 2000 and founded Personal MD in 2003.

Dr. Simmons is married and has three children; Justin, Rylie, and Evan.


Jill Arnold, P.A.

Jill Arnold, P.A. received her Physician Assistant degree from The Allied Health School at The University of Texas Southwestern Medical Center in Dallas.  She also holds a Master’s Degree in Biomedical Science from The University of North Texas Health Science Center of Fort Worth, and a Bachelor’s Degree in Science from Texas Christian University in Fort Worth. 

She has practiced in primary care since earning her PA license in 1999, in both Family and Internal Medicine.  Jill lives here in McKinney with her husband, Scott, and four children, Kaila, Jake, Sydney, and Mason.

Care Philosophy:

“I am committed to providing patients with compassionate health care.  I strive to develop a working relationship with each patient where they are informed and can participate in their own health and wellbeing.  I value my position as someone a patient can trust, as it is truly a privilege to take care of them.”