John Grossmith, MD

Neurological Surgeon
Board Certified by the American Board of Neurological Surgery


Dr. John Grossmith joined the surgical staff of The Bonati Institute after a long and distinguished 27 year active duty career as a medical officer in the United States Navy. A Board Certified Neurosurgeon, Dr. Grossmith served as Chairman of Neurosciences at the Naval Medical Center in San Diego, CA and as Principle Investigator for the Defense Veteran Brain Injury Center. His civilian experience includes service as an Emergency department Physician at Henry Ford Hospital and as Staff Neurosurgeon at Good Samaritan Hospital in Vincennes, IN.

Board Certifications

  • The American Board of Neurological Surgery, 2003



  • M.D. Texas A&M University, College Station, TX, 1986 – 1990
  • Surgical Internship, National Naval Medical Center, Bethesda, MD, 1990 – 1991
  • Neurosurgical Residency, Henry Ford Hospital, Detroit, MI, 1991 – 1997


Medical Experience

  • Good Samaritan Hospital
  • Henry Ford Hospital Fairlane
  • Naval Medical Center San Diego
  • Defense Veteran Brain Injury Center
  • Uniform Services University of Health Sciences, Associate Professor
  • Advanced Trauma Life Support (California), State Faculty


Elective Experience

  • Basic Microsurgery Certification
  • Midas Rex Spinal and Cranial Training
  • Certification in Leksell Viewing Wand
  • 11th Annual Spine and Peripheral Nerve Workshop
  • Principles and Practice of Gamma Knife Radiosurgery
  • Microsurgical Approaches to the Brain, Ventricles and Skull Base