David W. Ball, M.D. received his medical degree from the University of Mississippi Medical School in Jackson. His internship and residency training was done at the University of Tennessee in Chattanooga. As one of the original founders of Tyler Internal Medicine, Dr. Ball is our leader in the latest technology gadgets. He also enjoys flying small engine airplanes and spending time with his wife Sarah and three children.

Jeff Pilette - Family Nurse Practitioner graduated from Texas Tech University in 2003 with his Masters in Nursing and is Board Certified as a Family Nurse Practitioner. Jeff was employed in his hometown of Jacksonville until 2008. He relocated to Tyler after finding an opportunity to work with Dr. Ball. Jeff enjoys spending time with his family and outdoor activities that include camping, fishing and hunting.

Dale J. Bradley, D.O. received his medical degree from the Kansas City University of Medicine and Biosciences and served his internship and residency in Warren, Ohio at St. Joseph Health Center. Dr. Bradley served his country in the U.S. Air Force as an active duty physician for four years. Today, his primary focus of patient care pertains to nutrition, health and wellness. Along with keeping up with his large family, Dr. Bradley plays the drums for a local praise and worship band.

Thomas M. Buzbee, M.D. received his medical degree from the University of Texas Medical School in Houston and did his internship and residency at the University of Texas Southwestern Medical School in Dallas. Dr. Buzbee is board certified in internal medicine and he promotes and lectures nationally on preventative medicine. During his leisure time you can find Dr. Buzbee working in his backyard garden, working out at the gym, or spending time with his active family.

Chris Williams, Physician Assistant, received his Masters degree from Texas Tech University in Lubbock, Texas. Chris was born and raised in Tyler, Texas. He is married and has two wonderful boys. His hobbies include playing golf, going on vacation with his family, riding four wheelers, and being active in his church.

Sandee Volatile, Family Nurse Practitioner received her Masters Degree in Nursing from Wilmington University in 1995. She is Board Certified by the American Nurse Credentialing and the American Academy of Nurse Practitioners. Over the past 12 years, she has worked in various practice settings including Internal Medicine, Gynecology, and Acute Care. Sandee and her family relocated from the Eastern Shore to Tyler in 2007. Sandee is an active member of the Junior League of Tyler and Smith County Medical Society. She volunteers with AFS Intercultural Program and Therapet. In her spare time she enjoys time with her family, travelling and playing tennis.

 Kelley Smith, Family Nurse Practitioner graduated from the University of Texas at Tyler in 2012 with Masters in Nursing and is
Board Certified as a Family Nurse Practitioner. She was born and raised in Tyler and is married with 2 active children. Kelly enjoy running, spending time with my family, and relaxing at her family's ranch.

Margaret R. Hayden, MD received her undergraduate degree from the University of
Texas at Austin. She received her medical degree from UT Southwestern Medical School in Dallas, Texas and Internal Medicine residency at Ochsner Foundation in New Orleans, Louisiana. Dr. Hayden practiced Internal Medicine in Irving, Texas for eight years before relocating to Tyler in 2001. Dr. Hayden sees patients age 15-115. Her special interests include wellness, women’s health, menopause management, and prevention and treatment of medical diseases. Dr. Hayden is certified by the American Board of Internal Medicine and a Fellow of the American College of Physicians. Her hobbies include sewing, knitting and spending time with her family.

Stephanie Adams Mowery - Nurse Practitioner graduated from Texas Tech University Health Sciences Center with her Bachelor of Nursing in 1998 and Master of Nursing with Nurse Practitioner training in 2002. Born and raised in Tyler, she returned from Lubbock to raise her two children near friends and family. Stephanie enjoys riding her mountain bike, running, and weight/circuit training in her free time.

D. Michael Park, M.D. received his medical degree from the University of Texas Medical Branch in Galveston. Dr. Park interned at Baylor University and finished his residency at Louisiana State University. He practiced emergency medicine for two years, one year of psychotherapy training at the University of Colorado Medical Center and completed an Integrative Medicine Fellowship at the University of Arizona under Dr. Andrew Weil. He is Board Certified in Internal Medicine and is certified in Integrative Medicine and Nutrition. Dr. Park has been in private practice in Tyler since 1982 and is an original founder of TIMA. He enjoys music, exercise, dance, travelling and spending time with his daughter Emily and his two dogs, Luke and Dollie.

Amy K. Simpson, M.D. a native of Texas, received her medical degree from the University of Texas Southwestern Medical School in Dallas. She spent her internship and residency at St. Paul Medical Center in Dallas. Dr. Simpson worked in private practice in Irving, Texas before returning to her roots here in East Texas. Dr. Simpson is an advocate of women’s wellness and continues to share her knowledge with the public through presentations and seminars. Dr. Simpson is certified by the American Board of Internal Medicine. Her hobbies include keeping up with her teenage sons, music, travel and gardening.

Ramiro Villena, M.D. is certified by the American Board of Internal Medicine and received his medical degree from the University of Buenos Aires, Argentina in 1998. He served his internal medicine residency at the Brooklyn Hospital Medical Center, which is affiliated with the Weill Medical College of Cornell University. Dr. Villena is fluent in both English and Spanish. Before becoming a physician, Dr. Villena, pitched for the National Argentine baseball team and now enjoys playing the saxophone and spending time with his family.

 Micah Jackson, Physician Assistant has enjoyed working in healthcare for the past decade. He worked as an EMT and Paramedic for 6 years before going back to school to get his masters degree in physician assistant studies from Texas Tech.  As a Physician Assistant, his medical philosophy centers on patient education, and making medical issues make sense to his patients. Originally from the Dallas/Ft, Worth metroplex, he moved to Tyler with his wife after graduating to start a career in a new place to call home.  In his free time, Micah enjoys time by the pool with his wife, golf with family and friends, hunting, shooting, making things, and "anything with an engine".