Great Lakes Surgical Associates (GLSA)

Great Lakes Surgical Associates (GLSA) Great Lakes Surgical Associates are board certified General Surgeons providing expert surgical servi We have offices in Mt.

Great Lakes Surgical Associates are board certified General Surgeons who specialize in general surgery, bariatric surgery, endoscopic and laparoscopic procedures. GLSA is also the only practice in the area with Board Certified surgeons performing Varicose Vein treatment procedures. GLSA is committed to providing the highest quality surgical care to their patients by minimizing pain, recovery time and chance of complications from their surgical procedure. Services include: Bariatric Surgery, Vein Treatment, Breast Care & Biopsy, Botox, Endoscopy & Colonoscopy, Chronic Heartburn & Reflux Treatment, and Laparoscopic Surgery. Pleasant and Alma Michigan, with Hospital Affiliations at Mid Michigan Medical Center - Midland and Gratiot, and McLaren Central Michigan. Great Lakes Surgical Associates are the area's Premier Surgeons - here for you. Compassionate, caring, confident experts - Great Lakes Surgical Associates!

GLSA will be closing at 2:00 p.m. on Monday 10/20/2025 and will re-open at 8:00 a.m. on Tuesday 10/21/2025.
10/16/2025

GLSA will be closing at 2:00 p.m. on Monday 10/20/2025 and will re-open at 8:00 a.m. on Tuesday 10/21/2025.

Congratulations Dr. Bonacci! 2 years in a row!!
07/29/2025

Congratulations Dr. Bonacci! 2 years in a row!!

07/29/2025

Great Lakes Surgical Associates has a open position for a Medical Biller. If you would like to apply, please send resume to lloomis@glsurgical.com.

If you would like to learn more about your weight loss options, join us for a Free weight loss seminar on August 14, 202...
07/23/2025

If you would like to learn more about your weight loss options, join us for a Free weight loss seminar on August 14, 2025 or September 11, 2025. Registration is required. Please register now at

If you are unable to attend an event for which you registered, we are happy to reschedule you for another available date, transfer your registration to another eligible person, or process a full refund. To receive a transfer or refund, you must call (800) 395-1355  prior to the cancellation deadli...

07/23/2025

Address

315 E Warwick Drive
Alma, MI
48801

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

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