About
Nelson Xavier Simmons, MD earned his Bachelor of Science from St. Mary's University in San Antonio before completing his medical degree at Texas A&M University Health Science Center in College Station, where he graduated with honors. His internship and Family Medicine residency both took place at Scott & White Hospital in Temple, Texas. During medical school, his classmates elected him President of his class. He also served as Chairman of the Distinguished Teaching Award Committee and as the first representative of the Texas A&M University Family Practice Society.
Dr. Simmons holds board certification from the American Board of Family Practice Physicians and earned fellowship status in the American Academy of Family Practice. He has practiced medicine since 2000 and founded Personal MD in 2003. Multiple Best Doctor recognitions across Collin County followed, including awards in 2003, 2005, 2007, 2012, and 2020. He belongs to the American Academy of Aesthetics and the Dallas Obesity Society, and serves as a provider in the Collin County Total Access indigent care program. His clinical passions span family medicine, medical weight loss, hormone therapy, and aesthetic procedures. He developed the practice's weight loss program drawing partly on his own personal journey with the process. Outside the office, Dr. Simmons is married and has three children: Justin, Rylie, and Evan.
Education & Training
Undergraduate
BS, St. Mary's University, San Antonio, Texas
Medical School
MD, Texas A&M University Health Science Center, College Station, Texas (graduated with honors)
Residency
Family Medicine Residency, Scott & White Hospital, Temple, Texas
Additional Training
Internship, Scott & White Hospital, Temple, Texas; Fellow, American Academy of Family Practice; Member, American Academy of Aesthetics; Member, Dallas Obesity Society
Certifications
Conditions Treated
Who is Dr. Simmons right for?
Dr. Simmons works well for adults and families seeking a single physician who handles primary care alongside specialized services. Patients managing chronic conditions, weight challenges, or hormone imbalances benefit from his broad clinical scope. Men and women interested in testosterone therapy or bio-identical hormone therapy will find his experience relevant. Patients who want aesthetic services like Botox, dermal fillers, or body contouring handled by a physician with 20-plus years of experience will also find a strong fit here.
Similar Doctors Nearby
Dr. Omomengbe OniMD, DABOM
PCOS, insulin resistance, perimenopause +6 more
Dr. Matthew SokolMD, IFMCP
hormone imbalances, thyroid disorders, gut health conditions +10 more
Dr. Arthur YangMD
chronic disease, diabetes, hypertension +3 more
Frequently Asked Questions
Dr. Simmons treats a wide range of acute and chronic conditions through his family medicine background. His clinical focus includes preventive care, chronic disease management, and urgent care needs. He also runs dedicated programs for medical weight loss and hormone therapy for men and women.
Yes, Dr. Simmons holds board certification from the American Board of Family Practice Physicians. He also earned fellowship status in the American Academy of Family Practice. He has practiced medicine since 2000.
Dr. Simmons earned his medical degree from Texas A&M University Health Science Center in College Station, graduating with honors. He completed both his internship and Family Medicine residency at Scott & White Hospital in Temple, Texas.
Dr. Simmons performs a full range of aesthetic procedures, including Botox and neurotoxin injections, dermal fillers, Morpheus8, EvolveX body contouring, Votiva vaginal rejuvenation, Kybella, PRP, and microneedling. He serves as lead injector at Personal MD and brings over 20 years of medical experience to every cosmetic procedure.
Yes, Dr. Simmons developed the Personal MD weight loss program himself. He drew partly on his own personal journey with the process. The program includes medical weight loss options such as Semaglutide.
Dr. Simmons offers hormone replacement therapy for both men and women. Services include testosterone therapy and bio-identical hormone therapy. These are available as pay-as-you-go specialty services separate from the monthly membership.
Yes, Collin County has recognized Dr. Simmons with multiple Best Doctor awards. He received the honor in 2003, 2005, 2007, 2012, and 2020. He also serves as a provider in the Collin County Total Access indigent care program.
Dr. Simmons holds fellowship in the American Academy of Family Practice. He also belongs to the American Academy of Aesthetics and the Dallas Obesity Society. These memberships reflect his focus on both primary care and specialized services.
Doctor profile last updated March 21, 2026