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761. Pierre Garneau, MD
Practicing Surgeon
Surgeries Performed
• BPD w/ Duodenal Switch 
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Biliopancreatic Diversion 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• One Anastomosis Gastric Bypass 
• Pediatric (Patients Under 18) 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 
• Single Anastomosis Duodeno-ileostomy 

Practice Location
100 Chemin Rockland
Suite 140
Mont-Royal, QC H3P 2V9

Phone: (514) 331-4322

762. Michael Garren, MD FACS
Practicing Surgeon
Surgeries Performed
• Follows Other Surgeons' Patients 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 

Practice Location
4602 Eastpark Blvd
4602 Eastpark Blvd
Madison, WI 53718-2002

Phone: (608) 265-7090

763. Gerald Garriga, MD
Member
Surgeries Performed
• Bariatric Endoscopy Procedures 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 
• Single Anastomosis Duodeno-ileostomy 

Practice Location
452 Crossbridge Rd
Chelsea, AL 35043-2026


764. Ernesto Garza, MD
Practicing Surgeon
Surgeries Performed
• Gastric Banding 
• Intragastric Balloon 
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Single Anastomosis Duodeno-ileostomy 

Practice Location
416 Lindberg Ave
McAllen, TX 78501-2922

Phone: (956) 630-4161

765. Peter Garza, MD
Practicing Surgeon
Surgeries Performed
• Follows Other Surgeons' Patients 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 

Practice Location
36500 Aurora Dr
Summit, WI 53066-4899

Phone: (262) 434-5000

766. Patrick Gatmaitan, MD FACS
Practicing Surgeon
Surgeries Performed
• Bariatric Endoscopy Procedures 
• Intragastric Balloon 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 

Practice Location
1890 Summit Blvd Ste 120
Pensacola, FL 32503-3357

Phone: (850) 416-2959

767. Hsinju Ruby Gatschet, MD FACS
Practicing Surgeon
Surgeries Performed
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 

Practice Location
7551 Timberlake Way Ste 230
Suite 230
Sacramento, CA 95823

Phone: (916) 347-3630

768. Thomas Gavigan, MD
Practicing Surgeon
Surgeries Performed
• Bariatric Endoscopy Procedures 
• Intragastric Balloon 
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Sleeve Gastrectomy 
• Roux-en-Y Gastric Bypass 

Practice Location
2104 Randolph Rd
Charlotte, NC 28207-1522

Phone: (704) 377-3900

769. Makram Gedeon, MD FACS FASCRS
Practicing Surgeon
Surgeries Performed
• Follows Other Surgeons' Patients 
• Gastric Banding 
• Intragastric Balloon 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Other Gastric Restriction 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 
• Single Anastomosis Duodeno-ileostomy 

Practice Location
1 Pondfield Rd
Bronxville, NY 10708-3706


770. Denise Gee, MD
Practicing Surgeon
Surgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 

Practice Location
15 Parkman St
ACC460
Boston, MA 02114-3117

Phone: (617) 643-4459

771. James Geiger, MD
Practicing Surgeon
Surgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass 

Practice Location
2222 Cherry St
Toledo, OH 43608-2673

Phone: (419) 251-4300

772. Heather Geist, MD
Practicing Surgeon
Surgeries Performed
• Laparoscopic Sleeve Gastrectomy 
• Roux-en-Y Gastric Bypass 

Practice Location
1240 S Cedar Crest Blvd
Suite 308
Allentown, PA 18103

Phone: (610) 402-1350

773. David Geller, MD
Practicing Surgeon
Surgeries Performed
• BPD w/ Duodenal Switch 
• Bariatric Endoscopy Procedures 
• Follows Other Surgeons' Patients 
• Gastric Banding 
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Biliopancreatic Diversion 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• One Anastomosis Gastric Bypass 
• Other Gastric Bypass 
• Other Gastric Restriction 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 
• Single Anastomosis Duodeno-ileostomy 

Practice Location
2401 Terra Crossing Blvd Ste 375
Louisville, KY 40245-5395

Phone: (502) 893-7151

774. Jeffrey Genaw, MD
Practicing Surgeon
Surgeries Performed
• Follows Other Surgeons' Patients 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 

Practice Location
2799 W Grand Blvd
K8-General Surgery
Detroit, MI 48202-2608

Phone: (313) 916-9782

775. Mehmet Gencturk, MD
Member
Surgeries Performed
• Bariatric Endoscopy Procedures 
• Follows Other Surgeons' Patients 
• Intragastric Balloon 
• Laparoscopic Sleeve Gastrectomy 
• One Anastomosis Gastric Bypass 
• Other Gastric Bypass 
• Other Gastric Restriction 
• Pediatric (Patients Under 18) 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 


776. Adam Gendy, MD
Practicing Surgeon
Surgeries Performed
• Laparoscopic Sleeve Gastrectomy 
• Other Gastric Bypass 
• Roux-en-Y Gastric Bypass 

Practice Location
760 Broadway
Brooklyn, NY 11206-5317


777. John Gens, MD
Practicing Surgeon
Surgeries Performed
• Gastric Banding 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 

Practice Location
8 Regina Rd
Portsmouth, NH 03801-5711

Phone: (603) 828-6322

778. Ashley Gerrish, MD
Practicing Surgeon
Surgeries Performed
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 

Practice Location
3 Riverside Cir
Roanoke, VA 24016-4955


779. Victoria Gershuni, MD MS MTR
Practicing Surgeon
Surgeries Performed
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 

Practice Location
660 S Euclid Ave
Campus Box 8109
Saint Louis, MO 63110


780. Keith Gersin, MD
Practicing Surgeon
Surgeries Performed
• Gastric Banding 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Other Gastric Bypass 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 

Practice Location
2630 E 7th St Ste 100
Suite 100
Charlotte, NC 28204-4319

Phone: (704) 355-9484