Our Physicians & Staff

Our team is comprised of leaders in spinal surgery, pain management and physiatry. The mission of The Spine Center is to provide patients with comprehensive, multi-disciplinary spine and pain care that is based on a culture of compassion and accessibility.

Your care begins with understanding your spinal needs. We utilize advanced medical and diagnostic equipment to evaluate your problem and match you with the right specialist for your condition. Your treatment may involve multiple specialists, each focusing on a particular aspect of care. This teamwork approach allows your care to be coordinated under one roof with a team of professionals working together for your benefit.

Pain Medicine Physicians

John Gashkoff M.D. Board Certified, Pain Medicine Dr. Gashkoff is certified by the American Board of Pain Medicine and the American Board of Anesthesiology. He graduated from the Medical College of Wisconsin and completed his residency at Northwestern University. Dr. Gashkoff Full Bio

Paul Manganelli, M.D. Board Certified, Pain Medicine Dr. Manganelli is certified by the American Board of Pain Medicine and the American Board of Anesthesiology. He graduated from Georgetown University Medical School of Medicine. Dr. Manganelli Full Bio.

	Yousuf Sayeed, M.D. Board Certified, Pain Medicine Dr. Sayeed is certified by the American Board of Pain Medicine and the American Board of Anesthesiology. He graduated from Loyola University School of Medicine and holds an MBA from Northwestern University Kellogg School of Management. Dr. Sayeed Full Bio.
	Ryan Enger, PA-C A board certified physician assistant (PA-C), Mr. Enger is a graduate of the University of St. Francis in Fort Wayne, Indiana, a National Commission on Certification of Physician Assistants (NCCPA) accredited program where he focused on trauma/surgery. Ryan Enger, PA-C Full Bio.
	Chris Daniels, APN, FNP-BC Chris Daniels is board certified as a Family Nurse Practitioner through ANCC (American Nurse Credentialing Center). She received her BSN from Elmhurst College, 1988, and her MSN from Northern Illinois University (2007). Chris Daniels, APN, FNP-BC Full Bio.

Physical Medicine Physician & Staff

Johanna Lange, M.D. Board Certified, Physical Medicine A talented, board certified physician, Dr. Johanna Lange brings her knowledge of Physical Medicine and Rehabilitation to DuPage Medical Group. Dr. Lange’s areas of experience include the diagnosis and non-surgical treatment of back and neck problems. Dr. Lange Full Bio.

Orothopaedic Spinal Surgeons & Staff

Nicholas Mataragas, M.D. Board Certified, Orthopaedic Spinal Surgery As a specialist in spinal surgery, Dr. Mataragas's clinical interests include adult reconstructive spinal surgery, cervical/lumbar spinal surgery, new and improving minimally invasive spinal implant technology and the use of artificial disk replacement techniques. Dr. Mataragas Full Bio.

	P. Ronjon Paul, M.D. Board Certified, Orthopaedic Spinal Surgery Dr. Paul’s brings a well known reputation for excellent outcomes and cutting edge experience to DuPage Medical Group. Dr. Paul’s clinical interests include reconstructive cervical and lumbar spinal surgery with an emphasis on minimally invasive techniques. He frequently teaches minimally invasive techniques to neurosurgeons and spinal surgeons from around the country. Dr. Paul Full Bio.
	Reena Patel, PA-C Reena Patel is a board certified physician assistant who specializes in spinal surgery. She is a graduate of Midwestern University in Downers Grove, IL where she received extensive training in orthopaedic and spinal surgery. Read the full bio here.
	Christopher McGee, PA-C Mr. McGee is a certified physician assistant (PA-C) through the National Commission on Certification of Physician Assistants. (NCCPA) He is a graduate of the Malcolm X College / John Stroger Cook County Hospital Program, an accredited Physician Assistant program in Chicago, Illinois. Read the full bio here.
	Paul Ellis, PA-C   Paul Ellis is a board certified Physician Assistant that started with The Spine center in 2008. After graduating from Finch University/Chicago Medical School, Paul continued his physician assistant training by completing an extensive post graduate physician assistant residency program specializing in orthopedic and spine surgery. Full Bio

Appointments
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