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1501. Philip Omotosho, MD
Practicing Surgeon
Surgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 

Practice Location
1725 W Harrison St
POB Suite 810
Chicago, IL 60612-3823

Phone: (312) 942-5500

1502. Eittel Oppenheimer, MD FACS
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
4600 SW 46th Ct Ste 310
Unit 310
Ocala, FL 34474-5755


1503. Horacio Oria, MD
Practicing Surgeon
Practice Location
86 Legend Ln
Houston, TX 77024-2404

Phone: (713) 464-2966

1504. Marshall Orloff, MD
Practicing Surgeon
Surgeries Performed
• Follows Other Surgeons' Patients 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 

Practice Location
200 W Arbor Dr Frnt
San Diego, CA 92103-9000

Phone: (619) 543-5865

1505. Jorge Orrego, MD
Member

1506. Ariel Ortiz Lagardere, MD FACS
Practicing Surgeon
Surgeries Performed
• BPD w/ Duodenal Switch 
• Bariatric Endoscopy Procedures 
• Follows Other Surgeons' Patients 
• Gastric Banding 
• Intragastric Balloon 
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• One Anastomosis Gastric Bypass 
• Other Gastric Restriction 
• Pediatric (Patients Under 18) 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 
• Single Anastomosis Duodeno-ileostomy 

Practice Location
Paseo de los Heroes 9111-100
Zona Urbana Rio
Tijuana, 22010

Phone: (866) 376-7849

1507. Andres Ospina, MD
Member
Surgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 
• Single Anastomosis Duodeno-ileostomy 

Practice Location
Cll 140 # 6-15 Ed. Monteloma 2 Ap 401
Bogota, 110121

Phone: (601) 615-8311

1508. Alexander Ostapenko, MD
Practicing Surgeon
Surgeries Performed
• Laparoscopic Sleeve Gastrectomy 
• Roux-en-Y Gastric Bypass 

Practice Location
1000 South Ave # 95
BOX 95
Rochester, NY 14620-2733


1509. Merlin Otteman, MD
Practicing Surgeon
Practice Location
7240 Whitworth Ct
Fort Collins, CO 80528-8890

Phone: (970) 204-0889

1510. Rodolfo Oviedo, MD FACS FRCS FICS DABS-FPDMBS
Practicing Surgeon
Surgeries Performed
• Bariatric Endoscopy Procedures 
• BPD w/ Duodenal Switch 
• Follows Other Surgeons' Patients 
• Gastric Banding 
• Intragastric Balloon 
• Laparoscopic Biliopancreatic Diversion 
• Laparoscopic BPD w/ Duodenal Switch 
• 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
4848 NE Stallings Dr Ste 201
Suite 201
Nacogdoches, TX 75965-1266

Phone: (936) 221-5560

1511. E. R. T. C. Owen, MD
Practicing Surgeon
Practice Location
Forest Road, Horsham
West Sussex, RH12 4HL

Phone: 01403242904

1512. Mahir Ozmen, MD MS FACS FRCS FEBS
Member
Surgeries Performed
• BPD w/ Duodenal Switch 
• Bariatric Endoscopy Procedures 
• Follows Other Surgeons' Patients 
• Intragastric Balloon 
• Laparoscopic BPD w/ Duodenal Switch 
• 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
Kizilirmak Mahallesi 1443. cadde 1071 Plaza No:25
30. kat Daire No: 186 Cankaya
Ankara, 06530

Phone: 05448963380

1513. Kerry Ozment, MD
Practicing Surgeon
Surgeries Performed
• Follows Other Surgeons' Patients 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 

Practice Location
254 Cabe Ct
Hot Springs, AR 71913-8776

Phone: (501) 262-5309

1514. Tulio Pacheco, MD
Member
Surgeries Performed
• Laparoscopic Sleeve Gastrectomy 
• Roux-en-Y Gastric Bypass 


1515. Cynthia Paciulli Barbarits, MD FACS DABS-FPD METABOLIC SURGERY
Practicing Surgeon
Surgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Other Gastric Bypass 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 


1516. Ashish Padnani, MD FACS Diplomate of ABOM
Practicing Surgeon
Surgeries Performed
• Follows Other Surgeons' Patients 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Other Gastric Bypass 
• Other Gastric Restriction 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 

Practice Location
435 South St Ste 360
Ste 360
Morristown, NJ 07960-6479

Phone: (973) 971-7609

1517. Andrea Pakula, MD MPH FACS
Practicing Surgeon
Surgeries Performed
• Follows Other Surgeons' Patients 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Other Gastric Bypass 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 

Practice Location
2750 Sycamore Dr Ste 210
Simi Valley, CA 93065-1500

Phone: (805) 577-8460

1518. Nestor Palacios, MD
Member

1519. Francesco Palazzo, MD
Practicing Surgeon
Surgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 

Practice Location
1100 Walnut St Ste 500
Suite 500
Philadelphia, PA 19107-5563

Phone: (215) 955-8666

1520. Ratnakishore Pallapothu, MD FACS
Practicing Surgeon
Surgeries Performed
• Bariatric Endoscopy Procedures 
• Gastric Banding 
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 
• Single Anastomosis Duodeno-ileostomy 

Practice Location
1850 Laurel St
Columbia, SC 29201-2627

Phone: (803) 256-3400