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841. Anjali Gresens, MD FACS
Practicing Surgeon
Surgeries Performed
• Follows Other Surgeons' Patients 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Pediatric (Patients Under 18) 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 

Practice Location
6333 Center Dr Bldg 16
Building 16
Norfolk, VA 23502-4126

Phone: (757) 252-9500

842. Jan Willem Greve, MD PhD
Member
Surgeries Performed
• BPD w/ Duodenal Switch 
• Bariatric Endoscopy Procedures 
• Gastric Banding 
• Intragastric Balloon 
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• One Anastomosis Gastric Bypass 
• Other Gastric Bypass 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 
• Single Anastomosis Duodeno-ileostomy 


843. Erica Griffin, MD
Practicing Surgeon
Practice Location
580 W College Ave
Marquette, MI 49855-2736

Phone: (906) 449-1460

844. Cornelia Griggs, MD
Practicing Surgeon
Surgeries Performed
• Laparoscopic Sleeve Gastrectomy 

Practice Location
55 Fruit St
Boston, MA 02114-2621

Phone: (617) 726-6151

845. Galo Grijalva, MD
Practicing Surgeon
Surgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 

Practice Location
17 Sherman St
Jamestown, NY 14701-7080


846. Gregory Grimberg, MD FACS DABOM
Practicing Surgeon
Surgeries Performed
• Bariatric Endoscopy Procedures 
• Follows Other Surgeons' Patients 
• Gastric Banding 
• Laparoscopic Sleeve Gastrectomy 
• Pediatric (Patients Under 18) 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 


847. Gary Grinberg, 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
6600 Bruceville Rd
Sacramento, CA 95823-4671

Phone: (916) 688-2000

848. Paulo Grippa, MD
Member
Surgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 

Practice Location
Av brigadeiro eduardo gomes 743
Marilia, 17514-000

Phone: (143) 316-9732

849. Lee Grossbard, MD
Practicing Surgeon
Surgeries Performed
• Bariatric Endoscopy Procedures 
• Follows Other Surgeons' Patients 
• Gastric Banding 
• Intragastric Balloon 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Pediatric (Patients Under 18) 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 


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

Practice Location
201 Lyons Ave
L3
Newark, NJ 07112-2027


851. Jordan Grubbs, MD
Practicing Surgeon
Practice Location
27700 Highway 290 Ste 200
Cypress, TX 77433-6767

Phone: (713) 566-5098

852. Samuel Guba, MD
Member
Surgeries Performed
• BPD w/ Duodenal Switch 
• Bariatric Endoscopy Procedures 
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Biliopancreatic Diversion 
• Laparoscopic Sleeve Gastrectomy 
• Other Gastric Bypass 
• Roux-en-Y Gastric Bypass 
• Single Anastomosis Duodeno-ileostomy 


853. Francisco Guerra, MD
Practicing Surgeon
Surgeries Performed
• Bariatric Endoscopy Procedures 
• Follows Other Surgeons' Patients 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 
• Single Anastomosis Duodeno-ileostomy 
• Laparoscopic Roux-en-Y Gastric Bypass 

Practice Location
10907 Memorial Hermann Dr
Suite 460
Pearland, TX 77584

Phone: (281) 929-4420

854. Veronica Guerrero, MD
Practicing Surgeon
Surgeries Performed
• Follows Other Surgeons' Patients 
• Gastric Banding 
• Intragastric Balloon 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 

Practice Location
10370 Haligus Rd Ste 201
Bldg 2, Suite 201
Huntley, IL 60142-9582

Phone: (815) 455-2752

855. Jean Guerrier, MD FACS
Practicing Surgeon
Surgeries Performed
• BPD w/ Duodenal Switch 
• Gastric Banding 
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Biliopancreatic Diversion 
• Laparoscopic Sleeve Gastrectomy 
• One Anastomosis Gastric Bypass 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 

Practice Location
81 E State Rt 4 Ste 401
Suite 401
Paramus, NJ 07652-2667

Phone: (201) 646-1121

856. Samuel Guevara Alarcon, MD
Member

857. Joaquim Guimaraes Neto, MD
Member
Surgeries Performed
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 

Practice Location
Rua Liberdade, 39
Santos, 11025-030

Phone: (139) 762-1708

858. Taher Gulamhusein, MD
Member
Surgeries Performed
• Laparoscopic Sleeve Gastrectomy 
• Roux-en-Y Gastric Bypass 


859. Cem Guldogan, MD FACS FEBS
Member
Surgeries Performed
• BPD w/ Duodenal Switch 
• Bariatric Endoscopy Procedures 
• Intragastric Balloon 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• One Anastomosis Gastric Bypass 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 
• Single Anastomosis Duodeno-ileostomy 

Practice Location
Alhambra Street No:16
Medina Centrale
Doha,


860. Anirban Gupta, MD FRCSC FACS DABOM
Practicing Surgeon
Surgeries Performed
• Bariatric Endoscopy Procedures 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 

Practice Location
1124 Columbia St Ste 400
Suite 400
Seattle, WA 98104-2053