Tier Orthopedic's Providers

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Dr. Kim

Kyung I. Kim, MD

Dr. Kim joined Tier Orthopedics in 1977 after graduating from Seoul National University and Seoul National Medical School, and serving as a Lieutenant Commander in the United States Navy.

He is Board Certified in Orthopedic surgery.

Dr. Kim is a clinical professor at SUNY – Upstate Medical University in Syracuse. He is a member of the New York State Orthopedic Society, and also serves as Section Chief of Orthopedic surgery at Lourdes Hospital in Binghamton.

Dr. T. Van Gorder

Thomas R. Van Gorder, MD

Dr. Van Gorder joined Tier Orthopedics in 1987 after graduating from Vestal High School, Clarkson College of Technology and the State University at Buffalo School of Medicine.

He is Board Certified in Orthopedic surgery.

Dr. Van Gorder is a clinical instructor at SUNY – Upstate Medical University in Syracuse. He is also a member of the Broome County Medical Society and the New York State Orthopedic Society.

Dr. Van Gorder is a team physician for the Binghamton Devils and the Binghamton Rumble Ponies.

Dr. S. Federowicz

Stephen G. Federowicz, MD

Dr. Federowicz (Dr. Steve) joined Tier Orthopedics in 1992 after graduating from Vestal High School, Georgetown University, and SUNY – Upstate Medical University in Syracuse.

He is Board Certified in Orthopedic and hand surgery and completed a fellowship in hand surgery.

Dr. Steve is a clinical instructor at SUNY- Upstate Medical University. He is a member of the New York State Orthopedic Society.

Dr. D. Federowicz

Daniel P. Federowicz, MD

Dr. Federowicz (Dr. Dan) joined Tier Orthopedics in 1992 after graduating from Vestal High School, Columbia University, and SUNY- Upstate Medical University in Syracuse.

He is Board Certified in Orthopedic and hand surgery and completed a fellowship in hand surgery.

Dr. Dan is a clinical instructor at SUNY – Upstate Medical University. He is a member of the New York State Orthopedic Society.

Dr. Wilson

Mark V. Wilson, MD

Dr. Wilson joined Tier Orthopedics in 2005 after graduating from Chenango Valley High School, Penn State University, and SUNY – Upstate Medical University in Syracuse.

He has completed a fellowship in orthopedic sports medicine.

He is Board Certified in Orthopedic surgery.

Dr. Wilson is a clinical instructor at SUNY – Upstate Medical University in Syracuse. He is a member of the New York State Orthopedic Society.

Dr. Wilson is a team physician for the Binghamton Senators and the Binghamton Mets.

Dr. R. Van Gorder

Robert Van Gorder, MD

Tier Orthopedic Associates is pleased to welcome Dr. Robert Van Gorder to our practice.

Dr. Van Gorder, a 2001 alumnus of Vestal High School, is also a graduate of University of Notre Dame. He completed his medical school training at SUNY Upstate Medical University and his residency at the University of Vermont Department of Orthopedics.

Dr. Van Gorder has a specific interest in assisting patients with sports-related orthopedic injuries, having successfully completed a fellowship in sports orthopedics at the University of Rochester in 2015.

Dr. Van Gorder is now accepting new patients at our offices at 240 Riverside Drive in Johnson City. For an appointment, please call 798-9356.

Tier Orthopedic's Midlevel Providers

Nasir Abdul-Wadud PA-C

Nasir joined Tier Orthopedics in 2015. He earned his Master of Science in Physician Assistant Studies from Springfield College in Springfield, MA and his Bachelor of Science in Health Sciences from Springfield College.

Kimberly Belke, MMS, PA-C

Kimberly joined Tier Orthopedics in 2014. She earned her Master of Medical Science from St. Francis University in Loretto, PA and her Bachelor of Science in Occupational Therapy from SUNY Buffalo.

Karli Campbell, PA-C

Karli joined Tier Orthopedics in 2012. She earned her Master of Health Science, Physician Assistant Studies, from South College in Knoxville, Tennessee and her Bachelor of Science in Education, Exercise Science, from the Universtiy of Tennessee, Knoxville.

Mindi Donahue, PA-C

Mindi joined Tier Orthopedics in 2013. She earned her Master of Science in Physician Assistant Studies from King’s College in Wilkes-Barre, PA and her Bachelor of Science in Medical Studies from King’s College in Wilkes-Barre, PA.

Kord Williams, FNP

Kord joined Tier Orthopedics in 2015. He earned his Master of Science in Family Nurse Practitioner Studies from Binghamton University, and his Bachelor of Science in Nursing from Binghamton University.