Our Physicians

Alejandro Del Valle, DO

Alejandro Del Valle, DO

Dr. Alejandro Del Valle was born and raised in the Miami area. He attended Boston University where he received a Bachelor’s Degree in Human Physiology in 1997. He then attended the New York College of Osteopathic Medicine where he received a Doctorate degree in Osteopathic Medicine in 2001. He subsequently completed his Internal Medicine residency at Mount Sinai Medical Center in Miami Beach, FL, in 2004, where 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 has also served as the Associate Program Director of the Internal Medicine Residency Program at Mount Sinai Medical Center. He is currently a partner at Primary Care Physicians Group and Beach Medical Associates.

Alejandro Del Valle, DO

Gary Merlino, DO

Dr. Gary J. Merlino grew up in South Florida. He holds a Bachelor of 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 Mount Sinai Medical Center in Miami Beach. As a founding partner, he was instrumental in establishing Primary Care Physicians Group as one of the top Internal Medicine practices 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. Merlino is active within professional and charitable organizations. He is one of the founders of the Sabina Merlino Memorial Fund, a charity that assists local cancer patients.

Dr. Esther Amador-Del Valle

Esther Amador-Del Valle, DO

Dr. Esther Amador-Del Valle has been a proud South Florida resident for many years. She holds a Bachelor of the Arts Degree from the University of Miami and a Master’s Degree in Public Health from Nova Southeastern University (NSU). In 2005, She received her Doctorate degree in Osteopathic Medicine from NSU. Upon medical school graduation, Dr. Amador-Del Valle chose to stay in South Florida and completed her Internal Medicine Residency at Mount Sinai Medical Center in Miami Beach.  Over the years, she has garnered extensive experience in outpatient and hospital medical care, making her highly qualified in complete patient health management. Dr. Amador-Del Valle is board-certified by the American Osteopathic Board of Internal Medicine and is a member of the American Osteopathic Association and the American College of Osteopathic Internists.

Dr. Amador-Del Valle believes in giving back to the medical community by training interns and residents whenever possible.  She is also a strong supporter of local charities and community initiatives.

Our Staff

Janet Gutierrez-Hahn
Janet Gutierrez-Hahn
Administrator/Patient Advocate
Grace Gonzales
Grace Gonzalez
Patient Advocate
Alexandra Figueroa
Alexandra Figueroa
Patient Advocate
Dora Castano
Dora Castano
Medical Assistant