Jeffrey L. Bonacci

Advanced Laparoscopic, Bariatric, Endoscopic & General Surgery

Jeffrey L. Bonacci, M.D., F.A.C.S., received his bachelors from Central Michigan University, then attended Michigan State University Medical School for his Medical degree. Dr. Bonacci completed his internship and residency at Grand Rapids Medical Education and Research Center of MSU. While in school, Dr. Bonacci earned the Medical School Clerkship Honors Designation as well as Medical School Commendation in Gross Anatomy, Biochemistry, Pathology, Epidemiology, Neuroanatomy, Human Behavior and Development.

bonaccistandPhilosophy of Care
Practicing surgery allows him to provide his patients with immediate results. “I always treat my patients as family, using that frame of mind never leads them astray,” said Dr. Bonacci.

Dr. Bonacci is a member of Great Lakes Surgical Associates.  Their mission is to provide patients with state-of-the-art surgical care in a comfortable, compassionate environment. The surgeons of GLSA specialize in minimally invasive solutions to common surgical problems.

Dr. Bonacci is an avid sports fan, especially Detroit teams. He enjoys spending time with his family; he has a wife and three children that he loves spending time with.

Special Interests and Procedures
Dr. Bonacci’s special interests include bariatric surgery (laparoscopic gastric banding/Roux-en-Y gastric bypass/sleeve gastrectomy), colonoscopy, endoscopy, endocrine, anti-reflux, hernia, video-assisted thoracoscopic surgery, colon, breast, and thyroid surgeries.

Click here to view a video of Dr. Bonacci.


  • Fellow - American College of Surgeons

Alma Office

Warwick Medical Plaza
315 Warwick Drive, #3
Alma, MI 48801

Phone: (989) 463-6699
Fax: (989) 466-2574

Office Hours:
Monday - Friday
8am - 5pm

Mt. Pleasant Office

4851 E Pickard St
Mt. Pleasant, MI 48858

Phone: (989) 463-6699
Fax: (989) 466-2574

Midland Office

MidMichigan Medical Center-Midland
Towsley Building
4201 Campus Ridge Drive, Suite 4050
Midland, MI  48640
Towsley Building Entrance - take elevator on right to 4th floor

Phone: (989) 463-6699
Fax: (989) 466-2574

Office Hours:
Thursdays - Bi-Weekly
1pm - 5pm

Clare Office

602 Beach Street
Suite 2240
Clare, Michigan 48617
Across from the Dougherty Hotel, behind the hospital

Phone: (989) 463-6699
Fax: (989) 466-2574

Hospital Affiliations

All of the surgeons at Great Lakes Surgical Associates have full, unrestricted privileges to practice general surgery at the two major hospital systems in Gratiot and Isabella Counties: Gratiot Medical Center and Central Michigan Community Hospital. We perform surgery at the following locations:
    MidMichigan Medical Center - Gratiot
    Mount Pleasant Surgery Center - Mount Pleasant
    MidMichigan Medical Center - Midland
GLSA Offices are also equipped with surgery suites for indicated office procedures.

Non-Discrimination Notice - Language Assistance Services - Grievance Procedure

GLSA does not discriminate. Please read our non-discrimination policy listed below.

English - Spanish - Arabic

Individuals with Limited English Proficiency of Language Assistance Services

Affordable Care Act Grievance Procedure

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