Contact Info
Mackinaw City Specialty Clinic
231-436-5793 PHONE
231-436-5898 FAX
(Located inside the Citizens National Bank Building)
580 South Nicolet
Mackinaw City, Michigan 49701
Provider Hours:
Monday thru Friday by appointment

Walk-In Clinic
1st Floor of St. Ignace Hospital
Please report to Emergency Desk upon arrival.
Available 7 days a week, from 9:00 a.m. - 7:00 p.m.

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Mackinaw City Specialty Clinic


Todd E. Harburn, D.O. (Arthroscopic and Orthopedic Surgery)

Dr. Harburn specializes in sports medicine and athroscopic and orthopedic surgery for knees and shoulders. He performs outpatient surgical procedures at the Surgery Center at the Mackinac Straits Health System main campus in St. Ignace.

Charlene Sweeney, M.D. (Neurology)

Dr. Sweeney is a board certified neurologist who provides consultation, treatment and management of neurological diseases affecting both children and adults. Epilepsy management, stroke treatment and prevention, as well as multiple sclerosis care are provided. Available diagnostic testing includes nerve conditions, electromyography, and electroencephalography.

*Reminder - The Mackinac Straits Health System also offers a Walk-In Clinic at the Hospital in St. Ignace, 7 days a week, 9:00 a.m. to 7:00 p.m. Please report to the Emergency Desk when arriving at the Hospital.