About us

Dr. Gary J. Merlino, D.O. grew up in South Florida. He holds a Bachelor of the Arts Degree from the University of South Florida and a Bachelor of Science Degree from Florida International University. In 1992, he graduated from Southeastern University of the Health Sciences (now Nova Southeastern) with a Doctorate degree in Osteopathic Medicine. In 1996, Dr. Merlino completed his Internal Medicine Residency at the world-renown Mount Sinai Medical Center in Miami Beach. Dr. Merlino is board-certified by the American Board of Internal Medicine and is a Fellow of both the American College of Physicians – American Society of Internal Medicine and the American College of Osteopathic Internists.

In addition to his clinical practice, Dr. Merlino serves as Director of Medical Education Osteopathic Internal Medicine Residency Program at Mount Sinai Medical Center. He is also Assistant Dean of Clinical Studies at Nova Southeastern University College of Osteopathic Medicine.

Dr. Alejandro Del Valle, D.O. was born and raised in the Miami area. In 1993, he attended Boston University where he received a Bachelor’s Degree in Human Physiology in 1997. Upon graduating, he attended the New York College of Osteopathic Medicine and received a Doctorate degree in Osteopathic Medicine in 2001. He was fortunate to return home and completed his Internal Medicine residency training at Mount Sinai Medical Center in Miami Beach, FL, in 2004. He served as Chief Resident in Internal Medicine. Dr. Del Valle is currently board certified by the American Osteopathic Board of Internal Medicine and is a Fellow of the American College of Osteopathic Internists. Dr. Del Valle also serves Associate Director of Medical Education Osteopathic Internal Medicine Residency Program at Mount Sinai Medical Center. He is a partner at Primary Care Physicians Group.

Dr. Del Valle resides in the Miami Beach area with his family.