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3421. Peng Zhang MD PhD
International Member
Surgeries Performed
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Roux-en-Y Gastric Bypass 
• One Anastomosis Gastric Bypass 
• Pediatric (Patients Under 18) 
• Revision/Conversion of Prior Procedure 
• Single Anastomosis Duodeno-ileostomy 
• Laparoscopic Sleeve Gastrectomy 


3422. Ying Zhao RN CBN
Regular Associate Member

3423. Randal Zhou MD FACS FASMBS
Regular Member
Surgeries Performed
• Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 

Locations
New London, CT USA


3424. Ya Zhou MD
Regular Member
Surgeries Performed
• Bariatric Endoscopy Procedures 
• Follows Other Surgeons' Patients 
• Roux-en-Y Gastric Bypass 
• Pediatric (Patients Under 18) 
• Revision/Conversion of Prior Procedure 
• Laparoscopic Sleeve Gastrectomy 

Locations
Bronx, NY USA


3425. Richard Zhu MD FACS FICS DABOM FASMBS
Regular Member
Surgeries Performed
• Bariatric Endoscopy Procedures 
• BPD w/ Duodenal Switch 
• Follows Other Surgeons' Patients 
• Gastric Banding 
• Roux-en-Y Gastric Bypass 
• Intragastric Balloon 
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Roux-en-Y Gastric Bypass 
• One Anastomosis Gastric Bypass 
• Other Gastric Bypass 
• Other Gastric Restriction 
• Pediatric (Patients Under 18) 
• Revision/Conversion of Prior Procedure 
• Single Anastomosis Duodeno-ileostomy 
• Laparoscopic Sleeve Gastrectomy 

Locations
Chicago, IL USA


3426. Xiaocheng Zhu MD FACS
International Member
Surgeries Performed
• Roux-en-Y Gastric Bypass 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Other Gastric Bypass 
• Pediatric (Patients Under 18) 
• Laparoscopic Sleeve Gastrectomy 

Locations
Xuzhou Jiangsu, CHN


3427. Lauren Zidek MS RDN LDN
Regular Associate Member

3428. Kathryn Ziegler MD
Regular Member
Surgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass 
• Revision/Conversion of Prior Procedure 
• Laparoscopic Sleeve Gastrectomy 

Locations
Royal Oak, MI USA


3429. Gregory Zielinksi MD
Regular Member
Surgeries Performed
• Bariatric Endoscopy Procedures 
• Follows Other Surgeons' Patients 
• Roux-en-Y Gastric Bypass 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Revision/Conversion of Prior Procedure 
• Single Anastomosis Duodeno-ileostomy 
• Laparoscopic Sleeve Gastrectomy 

Locations
Patchogue, NY USA


3430. Martha Zimmer MSN AGACNP-BC
Affiliate Associate Member

3431. Richard Zimmer PhD
Regular Associate Member
Locations
Santa Rosa, CA USA


3432. Angela Zimmerman RN
Regular Associate Member

3433. Christopher Zimmermann MD
Regular Member
Surgeries Performed
• Bariatric Endoscopy Procedures 
• Roux-en-Y Gastric Bypass 
• Intragastric Balloon 
• Revision/Conversion of Prior Procedure 
• Single Anastomosis Duodeno-ileostomy 
• Laparoscopic Sleeve Gastrectomy 

Locations
Fort Collins, CO USA


3434. Jacqueline Zipay MSN CRNP
Regular Associate Member
Locations
North Wales, PA USA
Warminster, PA USA


3435. Erica Ziskin MS PA-C
Regular Associate Member
Locations
Saratoga Springs, NY USA


3436. Jeffrey Zitsman MD
Regular Member
Surgeries Performed
• Pediatric (Patients Under 18) 
• Revision/Conversion of Prior Procedure 
• Laparoscopic Sleeve Gastrectomy 

Locations
New York, NY USA


3437. Katia Zogg RD
Regular Associate Member
Locations
Santa Rosa, CA USA


3438. John Zografakis MD FASMBS
Regular Member
Surgeries Performed
• Follows Other Surgeons' Patients 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Revision/Conversion of Prior Procedure 
• Laparoscopic Sleeve Gastrectomy 

Locations
Akron, OH USA


3439. Mae Zoltowsky BSN RN CPHQ CBN
Regular Associate Member

3440. George Zorn MD
Regular Member
Surgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass 
• Revision/Conversion of Prior Procedure 
• Laparoscopic Sleeve Gastrectomy