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Our Team

Our team at The Institute for Minimally Invasive Spine Surgery at Holyoke Medical Center includes:

Frederik Pennings, MD, PhD

The only spine fellowship-trained neurosurgeon in the area, Dr. Frederik Pennings brings more than 25 years of training and experience in neurosurgery to the Institute. He is a renowned leader in minimally invasive spine surgery having innovated clinical practice as well as published on advances that improve patient outcomes. Prior to Holyoke Medical Center, Dr. Pennings established the Minimally Invasive Spine Center of New England and the MIS spine program at UMass Memorial Medical Center.
Learn more about Dr. Pennings at penningsmd.com

Michael Bennett, PA-C

A neurosurgery physician’s assistant for more than 20 years, Michael Bennett brings a wealth of clinical experience to the diagnosis, treatment and recovery of spine surgery patients. He also assists on advanced procedures including minimally invasive spine surgeries on the back, neck and spine. He previously practiced at the Minimally Invasive Spine Center of New England, the MIS spine program at UMass Memorial Medical Center, and is certified by the National Commission on Certification of Physician’s Assistants.

Aaron Pitrat, PA-C

Aaron Pitrat joined the team in 2023. He has a background in psychology and completed a Master of Science in Physician Assistant Studies at Westfield State University. Aaron is certified by the National Commission on Certification of Physician’s Assistants.

The Institute for Minimally Invasive Spine Surgery at Holyoke Medical Center is located at 10 Hospital Drive, Suite 101, Holyoke, and can be reached at 413.535.4860.

The office is open to referrals via fax 413.887.6460.

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