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2141. J. Mansur CIRUJANO BARIATRA IFASMBS
International Member
Surgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass 
• Other Gastric Bypass 
• Other Gastric Restriction 
• Revision/Conversion of Prior Procedure 
• Laparoscopic Sleeve Gastrectomy 

Locations
Hidalgo, TX USA
Saltillo, COA MEX


2142. Katherine Manuel PHD RD LDN FAND
Regular Associate Member
Surgeries Performed
• None Performed 


2143. Merritt Manuel RN BSN MBA CBN
Regular Associate Member
Locations
Austin, TX USA


2144. Isabel Maples RDN BSPH MEd
Regular Associate Member

2145. Picard Marceau MD
Regular Member
Surgeries Performed
• BPD w/ Duodenal Switch 

Locations
Quebec City, CAN


2146. Simon Marceau MD
Regular Member
Surgeries Performed
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Revision/Conversion of Prior Procedure 
• Laparoscopic Sleeve Gastrectomy 

Locations
Quebec City, QC CAN


2147. Norris March DO
Regular Member
Surgeries Performed
• Gastric Banding 
• Laparoscopic Sleeve Gastrectomy 

Locations
Hillsdale, MI USA


2148. Joao Marchesini MD MS PhD FACS
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 
• One Anastomosis Gastric Bypass 
• Other Gastric Bypass 
• Revision/Conversion of Prior Procedure 
• Single Anastomosis Duodeno-ileostomy 
• Laparoscopic Sleeve Gastrectomy 

Locations
Curitiba, Parana, BRA


2149. Joao Caetano Marchesini MD
International Member
Surgeries Performed
• Bariatric Endoscopy Procedures 
• BPD w/ Duodenal Switch 
• Roux-en-Y Gastric Bypass 
• Intragastric Balloon 
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Other Gastric Restriction 
• Revision/Conversion of Prior Procedure 
• Single Anastomosis Duodeno-ileostomy 
• Laparoscopic Sleeve Gastrectomy 

Locations
Curitiba, BRA


2150. Joseph Marcotte MD
Regular Member
Surgeries Performed
• Roux-en-Y Gastric Bypass 
• Revision/Conversion of Prior Procedure 
• Laparoscopic Sleeve Gastrectomy 

Locations
Fall River, MA USA


2151. William Marcus MD
Regular Member
Locations
Germantown, MD USA


2152. Ryan Marek PhD
Regular Associate Member
Locations
The Woodlands, TX USA


2153. Robert Marema 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
St. Augustine, FL USA


2154. Juanita Mariano APRN-BC
Regular Associate Member

2155. Paul Marino PA-C
Regular Associate Member
Locations
Reston, VA USA


2156. Anthony Mark MD
Regular Member
Surgeries Performed
• BPD w/ Duodenal Switch 
• Gastric Banding 
• Roux-en-Y Gastric Bypass 
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Single Anastomosis Duodeno-ileostomy 
• Laparoscopic Sleeve Gastrectomy 

Locations
Fort Belvoir, VA USA


2157. Bradley Marker MD FACS
Regular Member
Surgeries Performed
• Revision/Conversion of Prior Procedure 
• Laparoscopic Sleeve Gastrectomy 

Locations
Dothan, AL USA


2158. Megan Markey PhD
Regular Associate Member

2159. Jason Marone MD
Regular Member
Surgeries Performed
• Follows Other Surgeons' Patients 
• Roux-en-Y Gastric Bypass 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Other Gastric Restriction 
• Revision/Conversion of Prior Procedure 
• Laparoscopic Sleeve Gastrectomy 

Locations
Steven, PA USA


2160. Nancy Marquez MD FACS
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 
• Single Anastomosis Duodeno-ileostomy 
• Laparoscopic Sleeve Gastrectomy 

Locations
Austin, TX USA