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2261. Christopher Zimmermann, MD
Practicing Surgeon
Surgeries Performed
• Bariatric Endoscopy Procedures 
• Intragastric Balloon 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 
• Single Anastomosis Duodeno-ileostomy 

Practice Location
2121 E Harmony Rd Unit 250
Building A-1 Suite 250
Fort Collins, CO 80528-3402

Phone: (970) 482-6456

2262. Jeffrey Zitsman, MD
Practicing Surgeon
Surgeries Performed
• Laparoscopic Sleeve Gastrectomy 
• Pediatric (Patients Under 18) 
• Revision/Conversion of Prior Procedure 

Practice Location
3959 Broadway
New York, NY 10032-1559

Phone: (212) 305-8862

2263. John Zografakis, MD
Practicing Surgeon
Surgeries Performed
• Follows Other Surgeons' Patients 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 

Practice Location
95 Arch St Ste 240
Suite 240
Akron, OH 44304-1496

Phone: (330) 375-6590

2264. George Zorn, MD
Practicing Surgeon
Surgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 


2265. Luis Zorrilla-Nunez, MD
Member
Surgeries Performed
• Gastric Banding 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Other Gastric Bypass 
• Pediatric (Patients Under 18) 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 

Practice Location
Belisario Dominguez 2549 Col Obispado
Monterrey, 64060

Phone: 5218115778098

2266. Kashif Zuberi, MD
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
120 W Hellman Ave Ste 203
Suite 203
Monterey Park, CA 91754-1209

Phone: (667) 216-0261

2267. Elizabeth Zubowicz, MD FACS
Practicing Surgeon
Surgeries Performed
• BPD w/ Duodenal Switch 
• Follows Other Surgeons' Patients 
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Other Gastric Bypass 
• Other Gastric Restriction 
• Roux-en-Y Gastric Bypass 

Practice Location
2000 Foundation Way Ste 3200
Ste 3500
Martinsburg, WV 25401-9199

Phone: (304) 901-7080

2268. Natan Zundel, MD
Practicing Surgeon
Surgeries Performed
• Bariatric Endoscopy Procedures 
• Follows Other Surgeons' Patients 
• Gastric Banding 
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Other Gastric Restriction 
• Revision/Conversion of Prior Procedure 
• Single Anastomosis Duodeno-ileostomy 

Practice Location
16395 Biscayne Blvd Apt 1613
Suite 1613
Aventura, FL 33160-5751


2269. Gilbert Abare, MSN FNP-BC
Member

2270. Mohammed Abdallah, MBBS FACS MRCS FEBS
Member
Surgeries Performed
• BPD w/ Duodenal Switch 
• Bariatric Endoscopy Procedures 
• Follows Other Surgeons' Patients 
• Gastric Banding 
• Intragastric Balloon 
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• One Anastomosis Gastric Bypass 
• Other Gastric Bypass 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 
• Single Anastomosis Duodeno-ileostomy 

Practice Location
Bariatric And General Surgery
Sheikh Shakbout medical city
Abu Dhabi, Abu Dhabi

Phone: 00971554619071

2271. Ahmed Abdalwahab, MBBS FRCSC
Member
Surgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Pediatric (Patients Under 18) 
• Roux-en-Y Gastric Bypass 


2272. Rhondell Abersold, RN
Member

2273. Marwa Abu El Haija, MBBS
Practicing Surgeon
Practice Location
750 Welch Rd Ste 116
Suite 116
Palo Alto, CA 94304-1508


2274. Robert Acho, DO
Practicing Surgeon
Surgeries Performed
• BPD w/ Duodenal Switch 
• Bariatric Endoscopy Procedures 
• Follows Other Surgeons' Patients 
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Biliopancreatic Diversion 
• Laparoscopic Sleeve Gastrectomy 
• One Anastomosis Gastric Bypass 
• Other Gastric Bypass 
• Other Gastric Restriction 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 
• Single Anastomosis Duodeno-ileostomy 

Practice Location
75 Barclay Cir Ste 200
Rochester Hills, MI 48307-5821

Phone: (248) 853-9177

2275. Nicole Adams, LPC LCPC NCC BC-TMH
Member
Practice Location
1014 Westlake Blvd Ste 14-304
Westlake Village, CA 91361-5568

Phone: (310) 400-6309

2276. Sheila Adams, MS RD LDN
Member

2277. Alyssa Adler, MS RD CDN
Member
Phone: (203) 852-2111

2278. Bridgette Agee, RN
Member
Practice Location
4640 Admiralty Way Ste 901
Suite 901
Marina Del Rey, CA 90292-6630

Phone: (310) 577-5541

2279. Gary Aghazarian, DO
Practicing Surgeon
Surgeries Performed
• BPD w/ Duodenal Switch 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 
• Single Anastomosis Duodeno-ileostomy 

Practice Location
429 N 21st St
Entrance C
Camp Hill, PA 17011-2202

Phone: (717) 761-7244

2280. Krystal Agnew, DNP APRN FNP-BC
Member