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1921. Merritt Manuel RN BSN MBA CBN
Regular Associate Member
Locations
Austin, TX USA


1922. Isabel Maples RDN BSPH MEd
Regular Associate Member

1923. Picard Marceau MD
Senior Member
Surgeries Performed
• BPD w/ Duodenal Switch 

Locations
Quebec City, CAN


1924. 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


1925. Norris March DO
Regular Member
Surgeries Performed
• Gastric Banding 
• Laparoscopic Sleeve Gastrectomy 

Locations
Hillsdale, MI USA


1926. Joao Marchesini MD MS PhD FACS
Senior 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


1927. 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


1928. 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


1929. William Marcus MD
Senior Member
Locations
Germantown, MD USA


1930. Ryan Marek PhD
Regular Associate Member
Locations
The Woodlands, TX USA


1931. 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


1932. Juanita Mariano APRN-BC
Regular Associate Member

1933. Paul Marino PA-C
Regular Associate Member
Locations
Reston, VA USA


1934. Anthony Mark MD FASMBS
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


1935. Bradley Marker MD FACS
Regular Member
Surgeries Performed
• Revision/Conversion of Prior Procedure 
• Laparoscopic Sleeve Gastrectomy 

Locations
Dothan, AL USA


1936. Megan Markey PhD
Regular Associate Member

1937. 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


1938. 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


1939. Brendan Marr MD FACS FASMBS
Regular Member
Surgeries Performed
• Roux-en-Y Gastric Bypass 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Revision/Conversion of Prior Procedure 
• Laparoscopic Sleeve Gastrectomy 

Locations
Scottsdale, AZ USA


1940. Jessica Marshall DO
Regular Member
Surgeries Performed
• Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy