Care Team

Our health professionals at North Memorial Clinic - Maple Grove are board-certified internal medicine providers. Their primary focus is on care for adults which includes disease prevention, wellness and chronic condition management. 



Brian G. LaBine, MD

Dr. Brian LaBine is a board-certified internal medicine and sports medicine physician. He specializes in general, and sport-related, orthopedic injuries including fractures, sprains/strains, and return-to-play or sport clearance issues. In addition, Dr. LaBine has training in the management of concussions, with additional certification in ImPACT testing and interpretation.

Robert Lager, MD

Dr. Robert Lager is a board-certified internal medicine physician. Dr. Lager graduated from the University of Minnesota Medical School and completed both an internship and a residency at his alma mater.

Lex Nerenberg, MD

Dr. Lex Nerenberg specializes in internal medicine and is certified by the American Board of Internal Medicine.

Mark Prebonich, MD

Dr. Prebonich is a board certified internal medicine physician. He is also a certified clinical densitometrist with special interests in bone density and osteoporosis.

Mark Zelent, DPM

Dr. Mark Zelent is board-certified in foot surgery and reconstructive rearfoot and ankle surgery by the American Board of Podiatric Surgery. He is also board-certified by the American Board of Orthopedics and Primary Podiatric Medicine for non-surgical management. He specializes in diseases and disorders of the foot and ankle.