
1381. 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

1382. 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

1383. 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

1384. 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

1385. 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

1386. 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

1387. 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

1388. 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

1389. 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

1390. Horacio Oria MD
Regular MemberSurgeries Performed
• None Performed
Locations
Houston, TX USA

1391. Michael Orris DO
Regular MemberSurgeries Performed
• Follows Other Surgeons' Patients
• Gastric Banding
• Roux-en-Y Gastric Bypass
• Intragastric Balloon
• Laparoscopic Roux-en-Y Gastric Bypass
• Other Gastric Restriction
• Revision/Conversion of Prior Procedure
• Laparoscopic Sleeve Gastrectomy
• Gastric Banding
• Roux-en-Y Gastric Bypass
• Intragastric Balloon
• Laparoscopic Roux-en-Y Gastric Bypass
• Other Gastric Restriction
• Revision/Conversion of Prior Procedure
• Laparoscopic Sleeve Gastrectomy
Locations
Tempe, AZ USA

1392. Ariel Ortiz Lagardere MD FACS
Regular MemberSurgeries Performed
• Bariatric Endoscopy Procedures
• BPD w/ Duodenal Switch
• Follows Other Surgeons' Patients
• 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 Restriction
• Pediatric (Patients Under 18)
• Revision/Conversion of Prior Procedure
• Single Anastomosis Duodeno-ileostomy
• Laparoscopic Sleeve Gastrectomy
• BPD w/ Duodenal Switch
• Follows Other Surgeons' Patients
• 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 Restriction
• Pediatric (Patients Under 18)
• Revision/Conversion of Prior Procedure
• Single Anastomosis Duodeno-ileostomy
• Laparoscopic Sleeve Gastrectomy
Locations
Tijuana, BCN MEX

1393. Andres Ospina MD
International MemberSurgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass
• Revision/Conversion of Prior Procedure
• Single Anastomosis Duodeno-ileostomy
• Laparoscopic Sleeve Gastrectomy
• Revision/Conversion of Prior Procedure
• Single Anastomosis Duodeno-ileostomy
• Laparoscopic Sleeve Gastrectomy
Locations
Bogota, COL

1394. Rodolfo Oviedo MD FACS FRCS FICS DABS-FPDMBS FASMBS
Regular MemberSurgeries Performed
• Bariatric Endoscopy Procedures
• BPD w/ Duodenal Switch
• 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
• BPD w/ Duodenal Switch
• 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
Nacogdoches, TX USA

1395. Milton Owens MDCM
Regular MemberSurgeries Performed
• Bariatric Endoscopy Procedures
• BPD w/ Duodenal Switch
• Follows Other Surgeons' Patients
• Gastric Banding
• Roux-en-Y Gastric Bypass
• Laparoscopic BPD w/ Duodenal Switch
• Laparoscopic Roux-en-Y Gastric Bypass
• One Anastomosis Gastric Bypass
• Other Gastric Bypass
• Other Gastric Restriction
• Pediatric (Patients Under 18)
• Revision/Conversion of Prior Procedure
• Single Anastomosis Duodeno-ileostomy
• Laparoscopic Sleeve Gastrectomy
• BPD w/ Duodenal Switch
• Follows Other Surgeons' Patients
• Gastric Banding
• Roux-en-Y Gastric Bypass
• Laparoscopic BPD w/ Duodenal Switch
• Laparoscopic Roux-en-Y Gastric Bypass
• One Anastomosis Gastric Bypass
• Other Gastric Bypass
• Other Gastric Restriction
• Pediatric (Patients Under 18)
• Revision/Conversion of Prior Procedure
• Single Anastomosis Duodeno-ileostomy
• Laparoscopic Sleeve Gastrectomy
Locations
Orange, CA USA

1396. Mobola Oyefule MD
Regular MemberSurgeries Performed
• Bariatric Endoscopy Procedures
• Follows Other Surgeons' Patients
• Roux-en-Y Gastric Bypass
• 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 Roux-en-Y Gastric Bypass
• Revision/Conversion of Prior Procedure
• Single Anastomosis Duodeno-ileostomy
• Laparoscopic Sleeve Gastrectomy
Locations
Atlanta, GA USA

1397. Mahir Ozmen MD MS FACS FRCS FEBS
International MemberSurgeries Performed
• Bariatric Endoscopy Procedures
• BPD w/ Duodenal Switch
• Follows Other Surgeons' Patients
• 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
• Other Gastric Restriction
• Revision/Conversion of Prior Procedure
• Single Anastomosis Duodeno-ileostomy
• Laparoscopic Sleeve Gastrectomy
• BPD w/ Duodenal Switch
• Follows Other Surgeons' Patients
• 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
• Other Gastric Restriction
• Revision/Conversion of Prior Procedure
• Single Anastomosis Duodeno-ileostomy
• Laparoscopic Sleeve Gastrectomy
Locations
Ankara, TUR
Istanbul, TUR
Istanbul, TUR

1398. Kerry Ozment MD
Regular MemberSurgeries Performed
• Follows Other Surgeons' Patients
• Roux-en-Y Gastric Bypass
• Revision/Conversion of Prior Procedure
• Roux-en-Y Gastric Bypass
• Revision/Conversion of Prior Procedure
Locations
Hot Springs, AR USA

1399. Cynthia Paciulli Barbarits MD FACS FASMBS
Regular MemberSurgeries Performed
• Roux-en-Y Gastric Bypass
• Laparoscopic Roux-en-Y Gastric Bypass
• Other Gastric Bypass
• Revision/Conversion of Prior Procedure
• Laparoscopic Sleeve Gastrectomy
• Laparoscopic Roux-en-Y Gastric Bypass
• Other Gastric Bypass
• Revision/Conversion of Prior Procedure
• Laparoscopic Sleeve Gastrectomy
Locations
Dover, NH USA

1400. Ashish Padnani MD FACS Diplomate of ABOM
Regular MemberSurgeries Performed
• Follows Other Surgeons' Patients
• Roux-en-Y Gastric Bypass
• Laparoscopic Roux-en-Y Gastric Bypass
• Other Gastric Bypass
• Other Gastric Restriction
• Revision/Conversion of Prior Procedure
• Laparoscopic Sleeve Gastrectomy
• Roux-en-Y Gastric Bypass
• Laparoscopic Roux-en-Y Gastric Bypass
• Other Gastric Bypass
• Other Gastric Restriction
• Revision/Conversion of Prior Procedure
• Laparoscopic Sleeve Gastrectomy