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Diaz Fernando MDFernando Diaz, M.D. has been named in U.S. News' Top Doctors. U.S. News Top Doctors help consumers find the doctors who can best address their needs. Doctors are nominated by other doctors and reviewed by Castle Connolly's Top Doctors physician-led research team to validate each physician.

Top doctors are identified by location and by hospital affiliation, across a wide range of specialties and subspecialties and for over 2,000 diseases, medical issues, and procedures.

The method of nomination enlists the knowledge of doctors across the country in sharing their awareness of who among their peers are the most worthy of referral. Their collective wisdom, available at, will contribute to a growing knowledge base that extends and complements doctors' longstanding tradition of seeking recommendations from a convenient sample of their trusted colleagues.

U.S. News Top Doctors was developed in collaboration with Castle Connolly Medical Ltd., publisher of America's Top Doctors® and other guides.
[Read more about Castle Connolly's process]

Dr.Harold and Lynne Portnoy

On behalf of Michigan Head & Spine Institute we would like to congratulate Dr. Harold and Lynne Portnoy for their hard work and for receiving the 2012 Mercy Legacy Award for their many years of service to St. Joseph Mercy Oakland and their volunteerism throughout the community.

Congratulations to MHSI’s doctors named ‘Top Docs’ in the October issue of HOUR Detroit.  Each year the publishers of HOUR Detroit provide area doctors an opportunity to select the doctors they consider to be ‘Top Docs’.  The doctors receiving the greatest number of nominations from their peers are then listed in the magazine as being among their colleagues.  

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For Neurological surgery, Doctors Fernando Diaz, Richard Fessler and Daniel Pieper were named, for Pediatric-Neurosurgery was
Dr. Holly Gilmer

When choosing a neurosurgeon, knowing that other doctors in their field recommended MHSI’s ‘Top Docs’ is an honor and shares with patients what the doctors already know.

Holly Gilmer MD

Myelomeningocele is a birth defect that occurs when the vertebrae do not fully form and remain open allowing the spinal cord to protrude. The condition is also known as a type of spina bifida. Exposure of the spinal cord leads to varying degrees of sensory damage, incontinence, disability and weakness.

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A new generation of devices coming to Michigan hospitals could significantly improve care for patients who have some of the most devastating types of strokes. 

Our Physicians




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TeleHealth Virtual Visits are available. Call 248-784-3667 to schedule.  Current patients can now request to schedule or change an appointment through the patient portal and request prescription refills.