Our
Physicians
Gregory P. Charko, M.D.
Dr. Charko was born in Elizabeth, NJ and was raised and educated in New Jersey. While in high school he attended courses at Columbia University’s Science Honors program. He was the Valedictorian of the class of 1974 at Woodbridge High School. Dr. Charko attended Cook College, a division of Rutgers University. On the Dean’s list for 7 semesters, he graduated with high honors in biochemistry in 1978. After obtaining his undergraduate degree, Dr. Charko attended UMDNJ-New Jersey Medical School after that. He received his M.D. in 1982, and then continued at the same institution and it’s allied hospitals in northern and central New Jersey for his Orthopaedic surgery residency. In 1987 he entered private practice. He has been located in Union County for 22 years.

Dr. Charko is married with two children. He’s a sports fan and an avid photographer. Some of the pictures decorating the Union office are his work. He received a second place award from Caribbean Travel and Life magazine in their annual photo contest.

Although Dr. Charko is a general orthopedist, he also performs spinal surgery. This includes minimally invasive endoscopic disc removal in the lumbar spine. He also performs arthroscopic surgery on the knee, shoulder, wrist, elbow, ankle and hip joints. In addition, he does joint replacement surgery especially in the knee and hip, and partial knee replacements. Dr. Charko also treats fractures, either with conservative measures, such as casting, or with surgery for severe fractures.

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John W. King, D.O.
Dr. King was born and raised in Long Island, NY. He accepted a four-year Army ROTC scholarship to attend Wake Forest University in Winston-Salem, NC, graduating with a Bachelor of Arts degree in Biology in 1984. Upon graduation he was commissioned as a 2nd Lieutenant and given the opportunity to continue his studies at Long Island University, C.W. Post, in Greenvale, NY. He received a master’s degree in Biochemistry. Dr. King then attended the New York College of Osteopathic Medicine in Old Westbury, NY, achieving high honors in Anatomy. After earning his medical degree in 1990, Dr. King was promoted to Captain in the United States Army.

After completing a pediatric orthopedic rotation at Shriner's Children’s Hospital in Lexington, KY Dr. King was placed on active military service at the General Leonard Wood Army Community Hospital in Leonard Wood, MO. During his four-years there, he held the post of Chief orthopedic surgeon. In 2000 he relocated to New Jersey, establishing OPS with Dr. Charko.

Dr. King is married with two children. In his free time he enjoys spending time with his family and friends boating and traveling. Dr. King is an avid proponent of living a healthy lifestyle, and uses his free time to practice the healthy nutrition and exercise he advocates.

Since joining Dr Charko at OPS, Dr. King has had an interest in sports medicine, attending yearly CME conferences, and receiving additional training on Arthroscopic procedures related to shoulder, wrist, hip, knee and ankles. Dr. King uses the latest technology, including implants and devices to enhance surgical outcomes. He also performs reconstructive procedures such as partial and total joint replacements, and resurfacing procedures.

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