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Karl Greene, MD, PhD

Karl A. Greene, MD, PhD

Assistant Professor, Green Bay


  • Neurosurgery
    MCW-Green Bay


MD, PhD, Stanford University, Stanford, CA, 1981-1989
Internship in General Surgery, Good Samaritan Regional Medical Center, Phoenix, AZ, 1989-1990
Residency in Neurological Surgery, Barrow Neurological Institute, Phoenix, AZ, 1990-1996


Karl A. Greene, MD, PhD, FACS, FAANS, is a board certified neurosurgeon who provides neurosurgical care for nervous system disorders such as brain tumors, brain aneurysms, vascular malformations, and craniovertebral junction abnormalities in adults, as well as spinal disorders such as stenosis and disc herniations, spinal tumors, and spinal reconstruction for trauma.

Dr. Greene is a native of Ann Arbor, MI, and received his undergraduate degree in Pharmacology from the University of Michigan with honors and distinction. He earned both an MD degree and a PhD degree in Neurosciences from Stanford University in Palo Alto, CA, where he performed research in neurochemistry and psychopharmacology. Following a research fellowship in neurochemistry at Stanford University, Dr. Greene went on to complete a residency in neurological surgery at the world-renowned Barrow Neurological Institute in Phoenix, AZ.

After completing his residency, Dr. Greene spent five years as Director of Neurosciences and Neurosurgery Division Chief at a 420-bed tertiary referral medical center in Western Pennsylvania affiliated with the University of Pittsburgh Medical Center and Allegheny General Hospital. He then practiced at the NeuroSpine Center of Wisconsin, a multispecialty private group practice in Northeast Wisconsin, for 20 years.

Dr. Greene is extensively published, with more than 70 publications in medical journals, textbooks, and monographs. He is also trained in microsurgical techniques, complex craniovertebral junction surgery, spinal stabilization and instrumentation, and stereotactic and functional neurosurgical procedures, including brain microelectrode monitoring for deep brain stimulation.