Mary Hammack, MD

Dr. Mary Hammack, a highly esteemed physician, joins our team from her previous role in private practice at Presbyterian Hospital of Dallas. With over two decades of experience in general Internal Medicine, she provides comprehensive medical care for adults of all ages.

A proud alumna of the University of Texas Health Sciences Center in San Antonio, Dr. Hammack earned her Doctor of Medicine degree in 1988. During her first year of medical school, she was honored with the Wallace McNutt Award for outstanding performance in Gross Anatomy and was inducted into the prestigious Alpha Omega Alpha Medical Honor Society. In addition to her rigorous coursework, she also served as a Teaching Assistant, sharing her knowledge and passion for anatomy with aspiring healthcare professionals.

Following her medical training, Dr. Hammack underwent postgraduate training at both the University of Texas Health Sciences Center in San Antonio and Presbyterian Hospital of Dallas, where she honed her skills and became board certified in Internal Medicine in 1995. Re-certified in 2005, Dr. Hammack has consistently been recognized as one of Dallas's best Geriatric physicians by her peers.

Beyond her clinical practice, Dr. Hammack is a dedicated community servant and has volunteered her time at the Collin County Adult Clinic, treating patients through Project Access, a Dallas County Medical Society program for the working uninsured. As a member of various medical organizations, including the Texas Medical Association, American College of Physicians, and Alpha Omega Alpha Medical Honor Society, Dr. Hammack stays current with the latest advancements in her field.

A native Dallasite, Dr. Hammack received her Bachelor of Science degree in Microbiology, graduating Summa Cum Laude, from Texas A&M University, where she was elected to Beta Beta Beta and Phi Kappa Phi Honor Societies. In her personal life, Dr. Hammack is a proud member of St. Mark the Evangelist Catholic Community and a loving owner of two Boston Terriers, Penelope and Pronto. She approaches each patient with a compassionate and caring demeanor, treating them as if they were her own family.