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681. Geoffrey Fasen, MD
Practicing Surgeon
Surgeries Performed
• BPD w/ Duodenal Switch 
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Other Gastric Bypass 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 
• Single Anastomosis Duodeno-ileostomy 

Practice Location
2945 Hazelwood St Ste 200
Suite 200
Maplewood, MN 55109-1243

Phone: (651) 471-9400

682. Alisan Fathalizadeh, MD MPH
Practicing Surgeon
Surgeries Performed
• Bariatric Endoscopy Procedures 
• Follows Other Surgeons' Patients 
• Laparoscopic Sleeve Gastrectomy 
• Other Gastric Bypass 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 
• Single Anastomosis Duodeno-ileostomy 


683. David Faugno-Fusci, MD
Practicing Surgeon
Surgeries Performed
• Follows Other Surgeons' Patients 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 
• Single Anastomosis Duodeno-ileostomy 

Practice Location
1300 Anne St NW
Bemidji, MN 56601-5103

Phone: (218) 333-4820

684. Tim Faulkenberry, MD FACS
Practicing Surgeon
Surgeries Performed
• BPD w/ Duodenal Switch 
• Follows Other Surgeons' Patients 
• Gastric Banding 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 
• Single Anastomosis Duodeno-ileostomy 

Practice Location
900 E 30th St Ste 210
Austin, TX 78705-3323

Phone: (512) 338-5024

685. Nicole Fearing, MD FACS
Practicing Surgeon
Surgeries Performed
• Bariatric Endoscopy Procedures 
• Follows Other Surgeons' Patients 
• Gastric Banding 
• Intragastric Balloon 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Other Gastric Restriction 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 

Practice Location
5100 W 110th St Ste 110
suite 110
Overland Park, KS 66211-1215

Phone: (913) 345-6960

686. Andras Fecso, MD PhD FRCSC FACS
Practicing Surgeon
Surgeries Performed
• Bariatric Endoscopy Procedures 
• Intragastric Balloon 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 

Practice Location
399 Bathurst Street
Toronto Western Hospital, Main Pavilion, Suite 8MP-320
Toronto, ON M5T 2S8


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

Practice Location
2295 S Vineyard Ave Bldg D
Ontario, CA 91761-7925

Phone: (909) 724-2379

688. Patrick Fei, MD
Practicing Surgeon
Surgeries Performed
• Follows Other Surgeons' Patients 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Roux-en-Y Gastric Bypass 


689. James Feimster, MD
Practicing Surgeon
Surgeries Performed
• BPD w/ Duodenal Switch 
• Laparoscopic Sleeve Gastrectomy 
• Roux-en-Y Gastric Bypass 
• Single Anastomosis Duodeno-ileostomy 


690. Edward Felix, MD
Practicing Surgeon
Surgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 


691. Gillian Fell, MD PhD
Practicing Surgeon
Surgeries Performed
• Laparoscopic Sleeve Gastrectomy 

Practice Location
453 Quarry Rd
453 Quarry Road
Palo Alto, CA 94304-1419


692. John Feng, MD
Practicing Surgeon
Surgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Roux-en-Y Gastric Bypass 

Practice Location
301 Industrial Rd
Level 2
San Carlos, CA 94070-2603

Phone: (650) 321-4121

693. Xiaoxi Feng, MD MPH
Practicing Surgeon
Surgeries Performed
• BPD w/ Duodenal Switch 
• Follows Other Surgeons' Patients 
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Biliopancreatic Diversion 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 
• Single Anastomosis Duodeno-ileostomy 

Practice Location
9500 Euclid Ave
M61
Cleveland, OH 44195-0001

Phone: (216) 445-1731

694. Harold Fenster, MD
Practicing Surgeon
Practice Location
2630 H 3/4 Rd
Grand Junction, CO 81506-1708

Phone: (970) 210-8374

695. Joshua Ferenczy, MD
Member
Surgeries Performed
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 

Practice Location
1600 SW Archer Rd.
PO Box 100109
Gainesville, FL 32610-0109

Phone: (352) 265-0761

696. Alejandro Feria, MD
Member
Surgeries Performed
• Laparoscopic Sleeve Gastrectomy 
• Roux-en-Y Gastric Bypass 

Phone: (619) 370-8520

697. Valeria Fernandez, MD
Member
Surgeries Performed
• Laparoscopic Sleeve Gastrectomy 
• Other Gastric Bypass 
• Roux-en-Y Gastric Bypass 
• Bariatric Endoscopy Procedures 
• Follows Other Surgeons' Patients 
• Revision/Conversion of Prior Procedure 


698. Gustavo Fernandez Ranvier, MD PhD
Practicing Surgeon
Surgeries Performed
• Follows Other Surgeons' Patients 
• 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
5 E 98th St Dept of
15th floor, Dept. of Surgery
New York, NY 10029-6501

Phone: (212) 824-2350

699. Diego Fernando Fernandez Rojas, MD
Member

700. Jonathan Ferrari, MD FACS
Practicing Surgeon
Surgeries Performed
• Bariatric Endoscopy Procedures 
• Follows Other Surgeons' Patients 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 
• Single Anastomosis Duodeno-ileostomy 

Practice Location
7001 Rogers Ave Ste 600
Suite 600
Fort Smith, AR 72903-4073

Phone: (479) 274-5100