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    2521. William O'Malley MD
    Regular Member
    Surgeries 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 
    Locations
    Rochester, NY USA
    2522. Sean O'Neill MD PhD FASMBS
    Regular Member
    Surgeries Performed
    • Roux-en-Y Gastric Bypass 
    • Revision/Conversion of Prior Procedure 
    • Laparoscopic Sleeve Gastrectomy 
    Locations
    Ann Arbor, MI USA
    2523. Robert O'Rourke MD
    Regular Member
    Surgeries Performed
    • Gastric Banding 
    • Roux-en-Y Gastric Bypass 
    • Laparoscopic Roux-en-Y Gastric Bypass 
    • Laparoscopic Sleeve Gastrectomy 
    Locations
    Ann Arbor, MI USA
    2524. Ruary O’Connell MD
    Regular Member
    Surgeries Performed
    • Laparoscopic Roux-en-Y Gastric Bypass 
    • Revision/Conversion of Prior Procedure 
    • Laparoscopic Sleeve Gastrectomy 
    Locations
    New Orleans, LA USA
    2525. Ayman Obeid MD FACS
    International Member
    Surgeries Performed
    • Roux-en-Y Gastric Bypass 
    • Laparoscopic Roux-en-Y Gastric Bypass 
    • Pediatric (Patients Under 18) 
    • Revision/Conversion of Prior Procedure 
    • Laparoscopic Sleeve Gastrectomy 
    Locations
    Beirut, LBN
    Dubai, ARE
    2526. Nabeel Obeid MD
    Regular Member
    Surgeries Performed
    • Laparoscopic Roux-en-Y Gastric Bypass 
    • Revision/Conversion of Prior Procedure 
    • Laparoscopic Sleeve Gastrectomy 
    Locations
    Chelsea, MI USA
    2527. Kosisochi Obinwanne MD FASMBS
    Regular Member
    Surgeries Performed
    • Laparoscopic Roux-en-Y Gastric Bypass 
    • Laparoscopic Sleeve Gastrectomy 
    Locations
    East Lansing, MI USA
    2528. Vladan Obradovic MD FACS FASMBS
    Regular Member
    Surgeries 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 
    Locations
    Danville, PA USA
    2529. Sarah Ogawa RD LDN
    Regular Associate Member
    2530. Jin Sol Oh MD FACS
    Regular Member
    Surgeries Performed
    • Follows Other Surgeons' Patients 
    • Roux-en-Y Gastric Bypass 
    • Laparoscopic Roux-en-Y Gastric Bypass 
    • Revision/Conversion of Prior Procedure 
    • Laparoscopic Sleeve Gastrectomy 
    Locations
    Arlington Heights, IL USA
    2531. Peter Ojo MD
    Regular Member
    Surgeries 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 
    Locations
    Johnson City, NY USA
    2532. Kingsley Okai MD
    Affiliate Surgeon Member
    Surgeries Performed
    • Bariatric Endoscopy Procedures 
    • BPD w/ Duodenal Switch 
    • Follows Other Surgeons' Patients 
    • Roux-en-Y Gastric Bypass 
    • Laparoscopic Biliopancreatic Diversion 
    • Laparoscopic BPD w/ Duodenal Switch 
    • One Anastomosis Gastric Bypass 
    • Other Gastric Bypass 
    • Revision/Conversion of Prior Procedure 
    • Single Anastomosis Duodeno-ileostomy 
    • Laparoscopic Sleeve Gastrectomy 
    Locations
    Fort Wayne, IN USA
    2533. Ijeoma Okeke PA-C
    Regular Associate Member
    2534. David Okolica MD
    Regular Member
    Surgeries Performed
    • Follows Other Surgeons' Patients 
    • Roux-en-Y Gastric Bypass 
    • Laparoscopic Roux-en-Y Gastric Bypass 
    • Revision/Conversion of Prior Procedure 
    • Laparoscopic Sleeve Gastrectomy 
    Locations
    Trenton, NJ USA
    2535. Allan Okrainec MD MHPE FRCSC FACS
    Regular Member
    Surgeries Performed
    • Roux-en-Y Gastric Bypass 
    • Single Anastomosis Duodeno-ileostomy 
    • Laparoscopic Sleeve Gastrectomy 
    2536. Zipporah Oksman MS RD LDN
    Regular Associate Member
    2537. Chika Okwufulueze APRN
    Regular Associate Member
    Surgeries Performed
    • None Performed 
    2538. John Oldham MD
    Regular Member
    Surgeries 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 
    Locations
    Louisville, KY USA
    2539. Dmitry Oleynikov MD FACS
    Regular Member
    Surgeries 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 
    Locations
    Long Branch, NJ USA
    2540. David Oliak
    Regular Member
    Surgeries Performed
    • Laparoscopic Roux-en-Y Gastric Bypass 
    • Pediatric (Patients Under 18) 
    • Revision/Conversion of Prior Procedure 
    • Laparoscopic Sleeve Gastrectomy 
    Locations
    Brea, CA USA
    Torrance, CA USA