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Our Physicians





MHSI Alexandra Fretter PA-C 

Certified Physician Assistant
Michigan Head & Spine Institute

Alexandra Fretter, a certified physician assistant, specializes in adult and pediatric neurosurgery. She received her master’s degree from Rush University in Chicago, Illinois. She has extensive clinical experience in emergency medicine and the care of emergent neurologic conditions. She provides clinical care for neurosurgical diagnoses, treatments, and procedures, as well as intraoperative care and monitoring. Alexandra assists neurosurgeon Holly S. Gilmer, M.D., in the area of general neurosurgery with a focus on pediatric and adult neurosurgery, peripheral nerve surgery, hydrocephalus, neuro-oncology, and craniofacial reconstruction. She is the surgical first assist to Dr. Gilmer in the operating room. She performs comprehensive physical exams, orders and interprets diagnostic testing, and develops treatment plans. She provides inpatient and outpatient consultations and post-operative follow-up care for patients.

Master of Science in Physician Assistant Studies, Rush University, Chicago, IL
Master of Science in Nursing, DePaul University, Chicago, IL
Bachelor of Arts in Humanities, Villanova University, PA

Board Certifications
National Commission on Certification of Physician Assistants – NCCPA Board Certified
Advanced Cardiovascular Life Support (ACLS) – American Heart Association Certified
Basic Life Support (BLS) – American Heart Association Certified

American Academy of Physician Assistants (AAPA)


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Hospital Affiliations

DMC Sinai-Grace Hospital
Ascension St. John Hospital
McLaren Oakland
Novi Surgery Center
St. Joseph Mercy Oakland Hospital

Office Locations

Southfield Office

Participating Insurance

Call 248.784.3667

**Insurances change frequently. It is the patient's responsibility to verify insurance coverage before scheduling an appointment.

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.