
Great Lakes Surgical Associates
Bariatric Surgery • Alma, MI • Since 2001 • 2 locations (Alma and Mount Pleasant) with multiple hospital affiliations in the region locations
About
Great Lakes Surgical Associates (GLSA) is a private medical practice focused on general and specialty surgical services. Headquartered in Alma, Michigan, GLSA offers bariatric and weight-loss surgery, breast care and biopsies, endoscopic and laparoscopic procedures (including colonoscopy), treatment for varicose and spider veins, and management of chronic heartburn/reflux. The group includes board-certified general surgeons with over 30 years of combined experience and operates offices in Alma, Mount Pleasant, and Midland, Michigan, with surgical privileges at nearby facilities. For more information or to schedule care, visit glsurgical.com.
Clinic Type
Bariatric Surgery
Address
Offices located in Alma and Mount Pleasant; surgical privileges at MidMichigan Medical Center – Gratiot, McLaren Central Michigan – Mt. Pleasant, and Mid Michigan Medical Center – Midland
Phone
(989) 463-6699
info@mtpleasantsurgery.com
Opening Hours
Monday – Friday 8am – 5pm
Website
Services Offered
Technology & Equipment
Insurance & Payment
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Languages Spoken
FAQs
Click here to see if Bariatric Surgery is right for you.
Information about bariatric surgery suitability is available via the provided link on the site.
Do you offer bariatric surgery?
The page indicates GLSA offers bariatric surgery as part of their services.
Social Media
Photos








What Patients Say
Overall sentiment across review platforms: positive
- WebMD Care (for Dr. Jeffrey Smith): 4.5 out of 5 stars (based on 18 ratings) (18 ratings (WebMD Care))
- Vitals (for Dr. Jeffrey Bonacci): 4.4 out of 5 stars (based on 13 ratings) (13 ratings (Vitals))
Patients praise
- Surgeons are frequently praised for their bedside manner, caring nature, and sincerity.
- Patients often highlight the high level of medical expertise, skill, and professionalism of the surgical staff.
- Successful surgical outcomes, particularly in bariatric and general surgery, are a common theme in patient testimonials.
- Patients appreciate the convenience of having quality surgical care accessible within their local community.
Common complaints
- Some patients have reported dissatisfaction with office staff interactions, specifically regarding helpfulness and professional conduct.
- Occasional patient concerns regarding a lack of perceived gravity or compassion in treatment from specific practitioners.
"Dr. Smith is an amazing doctor. He is very informative, caring, best bedside manner I have ever had."
— WebMD Review (Dr. Jeffrey Smith)"Dr. Bonacci does a wonderful job. Knowledge and skills well above others. I could’ve went local but heard of his skills and went to where he does surgeries. Well worth the trip."
— Vitals Review (Dr. Jeffrey Bonacci)"While the dr and nurse are nice to deal with, the office staff is rude and not helpful in the least."
— Vitals Review (Dr. Jeffrey Bonacci)Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Great Lakes Surgical Associates joins Medina Memorial — Dec 9, 2025
Information sourced from the clinic's website as of . Own this clinic? Claim or correct this listing.
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