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1521. Younan Nowzaradan, MD SURGEON
Practicing Surgeon
Surgeries Performed
• BPD w/ Duodenal Switch 
• 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
1247 Wynden Oaks Garden Dr
Houston, TX 77056-2529

Phone: (713) 661-6262

1522. Martin Nuňez de la Cruz, MD
Member

1523. Gilda Mercedes Nunez Marte, MD
Member
Practice Location
Ave Juan Pablo Duarte 173, Torre B suite 516,
Santiago, 11516

Phone: 18292751213

1524. Rumbidzayi Nzara Mukurazhizha, MD
Practicing Surgeon
Surgeries Performed
• Follows Other Surgeons' Patients 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 

Practice Location
2300 Opitz Blvd
Woodbridge, VA 22191-3311

Phone: (703) 523-9750

1525. Ann O'Connor, MD MBA
Practicing Surgeon
Surgeries Performed
• Follows Other Surgeons' Patients 
• Laparoscopic Sleeve Gastrectomy 
• Pediatric (Patients Under 18) 

Practice Location
315 N San Saba Ste 1135
San Antonio, TX 78207-3255

Phone: (210) 704-0090

1526. J. Patrick O'Leary, MD
Practicing Surgeon
Practice Location
College of Medicine
11200 SW 8th Street, AHC 4-262
Miami, FL 33199-0001

Phone: (305) 348-0607

1527. Sean O'Neill, MD PhD
Practicing Surgeon
Surgeries Performed
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 

Practice Location
1500 E Medical Center Dr
Taubman Center 2924B
Ann Arbor, MI 48109-5000

Phone: (734) 998-0864

1528. Robert O'Rourke, MD
Practicing Surgeon
Surgeries Performed
• Gastric Banding 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Roux-en-Y Gastric Bypass 

Practice Location
1500 E Medical Center Dr
TC2920
Ann Arbor, MI 48109-5000

Phone: (734) 936-5823

1529. Ruary O’Connell, MD
Practicing Surgeon
Surgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 

Practice Location
4429 Clara St Ste 600
Suite 600
New Orleans, LA 70115-6951

Phone: (504) 897-0700

1530. Diana Obando, MD
Member
Practice Location
Jr ordonez 124, San Borja
Lima, 57234


1531. Jorge Obando, MD
Member

1532. Ayman Obeid, MD FACS
Member
Surgeries Performed
• 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
Bir Hassan
Beirut, 1109

Phone: 01378049

1533. Nabeel Obeid, MD FACS
Practicing Surgeon
Surgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 

Practice Location
14650 E. Old US 12
Suite 201, Room 2119
Chelsea, MI 48118

Phone: (734) 936-5738

1534. Kosisochi Obinwanne, MD
Practicing Surgeon
Surgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 

Practice Location
2900 Hannah Blvd Ste 216
Suite 216
East Lansing, MI 48823-5382

Phone: (517) 364-8100

1535. Vladan Obradovic, MD FACS
Practicing Surgeon
Surgeries Performed
• BPD w/ Duodenal Switch 
• Follows Other Surgeons' Patients 
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Biliopancreatic Diversion 
• 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
100 N Academy Ave
Danville, PA 17822-9800


1536. Francisco Obregon Colombani, MD
Member
Surgeries Performed
• BPD w/ Duodenal Switch 
• Laparoscopic BPD w/ Duodenal Switch 
• 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 
• Other Gastric Bypass 

Practice Location
311 Camden St
San Antonio, TX 78215


1537. Stephanie Oceguera, MD FACS
Practicing Surgeon
Surgeries Performed
• Follows Other Surgeons' Patients 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 

Practice Location
1 Atwell Rd
Cooperstown, NY 13326-1301

Phone: (607) 547-3373

1538. Tyler Oe, MD
Member
Surgeries Performed
• Bariatric Endoscopy Procedures 
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Single Anastomosis Duodeno-ileostomy 

Practice Location
5754 Howe St Apt 5
Apartment 5
Pittsburgh, PA 15232-2620


1539. Jin Sol Oh, MD FACS
Practicing Surgeon
Surgeries Performed
• Follows Other Surgeons' Patients 
• 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
880 W Central Rd Ste 5000
Suite 5000
Arlington Heights, IL 60005-2384

Phone: (847) 618-3800

1540. Mary Oh, MD
Member
Surgeries Performed
• Laparoscopic Sleeve Gastrectomy 
• Roux-en-Y Gastric Bypass 

Practice Location
11370 Anderson St Ste 2100
Loma Linda, CA 92354-3450

Phone: (909) 651-9863