Marquis Top Doctors

Brian J. Fertig, MD, FACE

Title: (1) Director and Endocrinology Specialist; (2) Founder
Company: (1) Diabetes & Osteoporosis Center; (2)
Location: Branchburg, New Jersey, United States

Brian J. Fertig, MD, FACE, Director and Endocrinology Specialist at the Diabetes & Osteoporosis Center, and Founder of, has been recognized by Marquis Who’s Who Top Doctors for dedication, achievements, and leadership in diabetes, metabolism and endocrinology.

Dr. Fertig is an accomplished medical professional with over three decades of experience. Focusing on diabetes, endocrinology and metabolism, he has worked as the director and an endocrinology specialist at the Diabetes & Osteoporosis Center since 1997. In 2022, he founded, and since 2008, he has been an active attending physician at Somerset Medical Center. Dr. Fertig additionally shares his knowledge as an associate professor at the Robert Wood Johnson University Hospital, a post he has held since 1996.

In preparation for his career in medicine, Dr. Fertig attended the St. George University School of Medicine and graduated with a Doctor of Medicine in 1989. He continued his education at the Seton Hall University School of Graduate Medicine, graduating in 1992, and completed an endocrinology residency at the Englewood Hospital and Medical Center in 1993. In 1994, Dr. Fertig completed an endocrinology fellowship at the University of Pennsylvania School of Medicine, and in 1995, he completed an additional endocrinology fellowship at the Tulane University School of Medicine.

Dr. Fertig has been an associate professor at Hackensack Meridian Health’s JFK University Medical Center since 1995. From 1992 to 1993, he was a chief resident at the Englewood Hospital and Medical Center and a clinical instructor at the Mount Sinai Medical Center. Dr. Fertig has published “Metabolism & Medicine” and maintains affiliation with the Endocrine Society, the American College of Endocrinology and the New Jersey Biological Society.

Dr. Fertig attributes his success to working and seeking help from more experienced professionals. He believes collaboration is the key to achieving anything great, and in writing his book “Metabolism & Medicine,” he sought help from many brilliant professionals. In the coming years, Dr. Fertig wants to make a difference and promote a scientifically integrated cultural shift in medicine and health care delivery.

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