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2081. Sina Matin MD FACS FASMBS
Regular Member
Surgeries Performed
• Follows Other Surgeons' Patients 
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Roux-en-Y Gastric Bypass 
• One Anastomosis Gastric Bypass 
• Revision/Conversion of Prior Procedure 
• Single Anastomosis Duodeno-ileostomy 
• Laparoscopic Sleeve Gastrectomy 

Locations
Grapevine, TX USA


2082. Michelle Matoff Psy D LCSW Certified Bariatric Counselor
Regular Associate Member
Locations
San Luis Obispo, CA USA


2083. Melissa Matrisch MD FACS FASMBS
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
Quincy, IL USA


2084. Samer Mattar MD FASMBS
Senior Member
Surgeries Performed
• Follows Other Surgeons' Patients 
• Roux-en-Y Gastric Bypass 
• Laparoscopic Roux-en-Y Gastric Bypass 
• One Anastomosis Gastric Bypass 
• Other Gastric Restriction 
• Revision/Conversion of Prior Procedure 
• Laparoscopic Sleeve Gastrectomy 

Locations
Houston, TX USA


2085. Susan Matthew DNP FNP-BC
Regular Associate Member
Locations
Bolingbrook, IL USA


2086. Brett Matthews DO
Regular Member
Surgeries Performed
• Bariatric Endoscopy Procedures 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Revision/Conversion of Prior Procedure 
• Laparoscopic Sleeve Gastrectomy 

Locations
Newburyport, MA USA


2087. Valerie Matthews MSN RN CBN
Regular Associate Member
Locations
Fort Lauderdale, FL USA


2088. Bree Mattson RN MSN
Regular Associate Member

2089. Julie Maurer PA-C
Regular Associate Member
Locations
Pittsburgh, PA USA


2090. Edward Mavashev MD FACS
Regular Member
Surgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass 
• Revision/Conversion of Prior Procedure 
• Laparoscopic Sleeve Gastrectomy 

Locations
Dearborn, MI USA


2091. Catherine Mavroudis MD
Affiliate Surgeon Member
Surgeries Performed
• Laparoscopic Sleeve Gastrectomy 

Locations
Vineland, NJ USA


2092. Marty May MBSCR RN BSN
Regular Associate Member
Locations
Lexington, KY USA


2093. Donald Maynard MD FACS
Affiliate Surgeon Member
Surgeries Performed
• BPD w/ Duodenal Switch 
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Sleeve Gastrectomy 

Locations
Monroe, GA USA


2094. Christina Mazone BSN RN
Regular Associate Member
Locations
St. Augustine, FL USA


2095. Guilherme Mazzini MD PhD
International Member
Surgeries Performed
• Bariatric Endoscopy Procedures 
• Follows Other Surgeons' Patients 
• Roux-en-Y Gastric Bypass 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Other Gastric Bypass 
• Other Gastric Restriction 
• Revision/Conversion of Prior Procedure 
• Laparoscopic Sleeve Gastrectomy 

Locations
Richmond, VA USA


2096. Meredith McAmis PA-C
Regular Associate Member
Locations
Springfield, MO USA


2097. Carl McAndrews MSN RN
Senior Member
Locations
San Antonio, TX USA


2098. Karina McArthur MD FASMBS
Regular Member
Surgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass 
• Revision/Conversion of Prior Procedure 
• Laparoscopic Sleeve Gastrectomy 

Locations
New York’, NY USA


2099. Etwar McBean MD FACS
Regular Member
Surgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 

Locations
Greenbelt, MD USA


2100. Corrigan McBride MD MBA FACS DABOM ABS- FASMBS
Regular Member
Surgeries Performed
• Roux-en-Y Gastric Bypass 
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Pediatric (Patients Under 18) 
• Revision/Conversion of Prior Procedure 
• Single Anastomosis Duodeno-ileostomy 
• Laparoscopic Sleeve Gastrectomy 

Locations
Omaha, NE USA