
1501. Robert O'Rourke MD
Regular MemberSurgeries Performed
• Gastric Banding
• Roux-en-Y Gastric Bypass
• Laparoscopic Roux-en-Y Gastric Bypass
• Laparoscopic Sleeve Gastrectomy
• Roux-en-Y Gastric Bypass
• Laparoscopic Roux-en-Y Gastric Bypass
• Laparoscopic Sleeve Gastrectomy
Locations
Ann Arbor, MI USA

1502. Ruary O’Connell MD
Regular MemberSurgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass
• Revision/Conversion of Prior Procedure
• Laparoscopic Sleeve Gastrectomy
• Revision/Conversion of Prior Procedure
• Laparoscopic Sleeve Gastrectomy
Locations
New Orleans, LA USA

1503. Ayman Obeid MD FACS
International MemberSurgeries Performed
• Roux-en-Y Gastric Bypass
• Laparoscopic Roux-en-Y Gastric Bypass
• Pediatric (Patients Under 18)
• Revision/Conversion of Prior Procedure
• Laparoscopic Sleeve Gastrectomy
• Laparoscopic Roux-en-Y Gastric Bypass
• Pediatric (Patients Under 18)
• Revision/Conversion of Prior Procedure
• Laparoscopic Sleeve Gastrectomy
Locations
Beirut, LBN
Dubai, ARE
Dubai, ARE

1504. Nabeel Obeid MD FACS FASMBS
Regular MemberSurgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass
• Revision/Conversion of Prior Procedure
• Laparoscopic Sleeve Gastrectomy
• Revision/Conversion of Prior Procedure
• Laparoscopic Sleeve Gastrectomy
Locations
Chelsea, MI USA

1505. Kosisochi Obinwanne MD FASMBS
Regular MemberSurgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass
• Laparoscopic Sleeve Gastrectomy
• Laparoscopic Sleeve Gastrectomy
Locations
East Lansing, MI USA

1506. Vladan Obradovic MD FACS FASMBS
Regular MemberSurgeries Performed
• BPD w/ Duodenal Switch
• Follows Other Surgeons' Patients
• Roux-en-Y Gastric Bypass
• Laparoscopic Biliopancreatic Diversion
• Laparoscopic BPD w/ Duodenal Switch
• Laparoscopic Roux-en-Y Gastric Bypass
• Revision/Conversion of Prior Procedure
• Single Anastomosis Duodeno-ileostomy
• Laparoscopic Sleeve Gastrectomy
• Follows Other Surgeons' Patients
• Roux-en-Y Gastric Bypass
• Laparoscopic Biliopancreatic Diversion
• Laparoscopic BPD w/ Duodenal Switch
• Laparoscopic Roux-en-Y Gastric Bypass
• Revision/Conversion of Prior Procedure
• Single Anastomosis Duodeno-ileostomy
• Laparoscopic Sleeve Gastrectomy
Locations
Danville, PA USA

1507. Francisco Obregon Colombani MD
Affiliate Surgeon MemberSurgeries Performed
• BPD w/ Duodenal Switch
• Roux-en-Y Gastric Bypass
• Laparoscopic BPD w/ Duodenal Switch
• Laparoscopic Roux-en-Y Gastric Bypass
• One Anastomosis Gastric Bypass
• Revision/Conversion of Prior Procedure
• Single Anastomosis Duodeno-ileostomy
• Laparoscopic Sleeve Gastrectomy
• Roux-en-Y Gastric Bypass
• Laparoscopic BPD w/ Duodenal Switch
• Laparoscopic Roux-en-Y Gastric Bypass
• One Anastomosis Gastric Bypass
• Revision/Conversion of Prior Procedure
• Single Anastomosis Duodeno-ileostomy
• Laparoscopic Sleeve Gastrectomy
Locations
McAllen, TX USA
Edinburg, VEN
Edinburg, VEN

1508. Jin Sol Oh MD FACS
Regular MemberSurgeries Performed
• Follows Other Surgeons' Patients
• Roux-en-Y Gastric Bypass
• Laparoscopic BPD w/ Duodenal Switch
• Laparoscopic Roux-en-Y Gastric Bypass
• Revision/Conversion of Prior Procedure
• Single Anastomosis Duodeno-ileostomy
• Laparoscopic Sleeve Gastrectomy
• Roux-en-Y Gastric Bypass
• Laparoscopic BPD w/ Duodenal Switch
• Laparoscopic Roux-en-Y Gastric Bypass
• Revision/Conversion of Prior Procedure
• Single Anastomosis Duodeno-ileostomy
• Laparoscopic Sleeve Gastrectomy
Locations
Arlington Heights, IL USA

1509. Peter Ojo MD
Regular MemberSurgeries Performed
• Follows Other Surgeons' Patients
• Gastric Banding
• Roux-en-Y Gastric Bypass
• Laparoscopic Roux-en-Y Gastric Bypass
• Revision/Conversion of Prior Procedure
• Laparoscopic Sleeve Gastrectomy
• Gastric Banding
• Roux-en-Y Gastric Bypass
• Laparoscopic Roux-en-Y Gastric Bypass
• Revision/Conversion of Prior Procedure
• Laparoscopic Sleeve Gastrectomy
Locations
Johnson City, NY USA

1510. Kingsley Okai MD
Regular MemberSurgeries Performed
• Roux-en-Y Gastric Bypass
• Laparoscopic Biliopancreatic Diversion
• Laparoscopic BPD w/ Duodenal Switch
• Revision/Conversion of Prior Procedure
• Single Anastomosis Duodeno-ileostomy
• Laparoscopic Sleeve Gastrectomy
• Laparoscopic Biliopancreatic Diversion
• Laparoscopic BPD w/ Duodenal Switch
• Revision/Conversion of Prior Procedure
• Single Anastomosis Duodeno-ileostomy
• Laparoscopic Sleeve Gastrectomy
Locations
Fort Wayne, IN USA

1511. Allan Okrainec MD MHPE FRCSC FACS
Regular MemberSurgeries Performed
• Roux-en-Y Gastric Bypass
• Single Anastomosis Duodeno-ileostomy
• Laparoscopic Sleeve Gastrectomy
• Single Anastomosis Duodeno-ileostomy
• Laparoscopic Sleeve Gastrectomy

1512. John Oldham MD
Regular MemberSurgeries Performed
• Bariatric Endoscopy Procedures
• Follows Other Surgeons' Patients
• Gastric Banding
• Roux-en-Y Gastric Bypass
• Laparoscopic Biliopancreatic Diversion
• Laparoscopic BPD w/ Duodenal Switch
• Laparoscopic Roux-en-Y Gastric Bypass
• One Anastomosis Gastric Bypass
• Other Gastric Bypass
• Other Gastric Restriction
• Revision/Conversion of Prior Procedure
• Single Anastomosis Duodeno-ileostomy
• Laparoscopic Sleeve Gastrectomy
• Follows Other Surgeons' Patients
• Gastric Banding
• Roux-en-Y Gastric Bypass
• Laparoscopic Biliopancreatic Diversion
• Laparoscopic BPD w/ Duodenal Switch
• Laparoscopic Roux-en-Y Gastric Bypass
• One Anastomosis Gastric Bypass
• Other Gastric Bypass
• Other Gastric Restriction
• Revision/Conversion of Prior Procedure
• Single Anastomosis Duodeno-ileostomy
• Laparoscopic Sleeve Gastrectomy
Locations
Louisville, KY USA

1513. Dmitry Oleynikov MD FACS
Regular MemberSurgeries Performed
• Gastric Banding
• Roux-en-Y Gastric Bypass
• Laparoscopic Roux-en-Y Gastric Bypass
• Other Gastric Restriction
• Pediatric (Patients Under 18)
• Revision/Conversion of Prior Procedure
• Laparoscopic Sleeve Gastrectomy
• Roux-en-Y Gastric Bypass
• Laparoscopic Roux-en-Y Gastric Bypass
• Other Gastric Restriction
• Pediatric (Patients Under 18)
• Revision/Conversion of Prior Procedure
• Laparoscopic Sleeve Gastrectomy
Locations
Long Branch, NJ USA

1514. Rodrigo Otavio Oliveira MDPhD FACS
International MemberSurgeries Performed
• Bariatric Endoscopy Procedures
• BPD w/ Duodenal Switch
• Gastric Banding
• Roux-en-Y Gastric Bypass
• Intragastric Balloon
• Laparoscopic BPD w/ Duodenal Switch
• Laparoscopic Roux-en-Y Gastric Bypass
• One Anastomosis Gastric Bypass
• Other Gastric Bypass
• Pediatric (Patients Under 18)
• Revision/Conversion of Prior Procedure
• Single Anastomosis Duodeno-ileostomy
• Laparoscopic Sleeve Gastrectomy
• BPD w/ Duodenal Switch
• Gastric Banding
• Roux-en-Y Gastric Bypass
• Intragastric Balloon
• Laparoscopic BPD w/ Duodenal Switch
• Laparoscopic Roux-en-Y Gastric Bypass
• One Anastomosis Gastric Bypass
• Other Gastric Bypass
• Pediatric (Patients Under 18)
• Revision/Conversion of Prior Procedure
• Single Anastomosis Duodeno-ileostomy
• Laparoscopic Sleeve Gastrectomy
Locations
Lisboa, PRT

1515. Edward Oliveros MD FPCS FACS MHM
Regular MemberSurgeries Performed
• Follows Other Surgeons' Patients
• Gastric Banding
• Intragastric Balloon
• Laparoscopic BPD w/ Duodenal Switch
• Laparoscopic Roux-en-Y Gastric Bypass
• Pediatric (Patients Under 18)
• Revision/Conversion of Prior Procedure
• Laparoscopic Sleeve Gastrectomy
• Gastric Banding
• Intragastric Balloon
• Laparoscopic BPD w/ Duodenal Switch
• Laparoscopic Roux-en-Y Gastric Bypass
• Pediatric (Patients Under 18)
• Revision/Conversion of Prior Procedure
• Laparoscopic Sleeve Gastrectomy
Locations
Taguig City, PHL

1516. John Olsofka MD
Regular MemberSurgeries Performed
• Gastric Banding
Locations
Louisville, KY USA

1517. Pablo Omelanczuk MD
International MemberSurgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass
• Other Gastric Restriction
• Revision/Conversion of Prior Procedure
• Laparoscopic Sleeve Gastrectomy
• Other Gastric Restriction
• Revision/Conversion of Prior Procedure
• Laparoscopic Sleeve Gastrectomy

1518. Philip Omotosho MD
Regular MemberSurgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass
• Revision/Conversion of Prior Procedure
• Laparoscopic Sleeve Gastrectomy
• Revision/Conversion of Prior Procedure
• Laparoscopic Sleeve Gastrectomy
Locations
Chicago, IL USA

1519. Alexander Onopchenko MD
Regular MemberSurgeries Performed
• BPD w/ Duodenal Switch
• Follows Other Surgeons' Patients
• Roux-en-Y Gastric Bypass
• Laparoscopic BPD w/ Duodenal Switch
• Laparoscopic Roux-en-Y Gastric Bypass
• Revision/Conversion of Prior Procedure
• Laparoscopic Sleeve Gastrectomy
• Follows Other Surgeons' Patients
• Roux-en-Y Gastric Bypass
• Laparoscopic BPD w/ Duodenal Switch
• Laparoscopic Roux-en-Y Gastric Bypass
• Revision/Conversion of Prior Procedure
• Laparoscopic Sleeve Gastrectomy
Locations
Egg Harbor Twp, NJ USA

1520. Eittel Oppenheimer MD FACS
Regular MemberSurgeries Performed
• Gastric Banding
• Roux-en-Y Gastric Bypass
• Laparoscopic Roux-en-Y Gastric Bypass
• Revision/Conversion of Prior Procedure
• Laparoscopic Sleeve Gastrectomy
• Roux-en-Y Gastric Bypass
• Laparoscopic Roux-en-Y Gastric Bypass
• Revision/Conversion of Prior Procedure
• Laparoscopic Sleeve Gastrectomy
Locations
Ocala, FL USA