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881. Kristi Harold, MD
Practicing Surgeon
Surgeries Performed
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 


882. Willie Harper, MS MD FACS
Practicing Surgeon
Surgeries Performed
• Single Anastomosis Duodeno-ileostomy 
• Roux-en-Y Gastric Bypass 
• Revision/Conversion of Prior Procedure 
• Laparoscopic Sleeve Gastrectomy 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Follows Other Surgeons' Patients 

Practice Location
1005 E Matthews Ave
Jonesboro, AR 72401-4308


883. Nicholas Harrel, MD
Practicing Surgeon
Surgeries Performed
• BPD w/ Duodenal Switch 
• Bariatric Endoscopy Procedures 
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Biliopancreatic Diversion 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• One Anastomosis Gastric Bypass 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 
• Single Anastomosis Duodeno-ileostomy 

Practice Location
1492 S Mill Ave Ste 113
Tempe, AZ 85281-5660

Phone: (602) 507-4458

884. David Harris, MD
Practicing Surgeon
Surgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• One Anastomosis Gastric Bypass 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 

Practice Location
1111 Highland Ave
WIMR 5131
Madison, WI 53705-2275

Phone: (608) 263-2956

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

Practice Location
1221 Sixth Street
Suite 300
Traverse City, MI 49684


886. Christopher Hart, MD
Practicing Surgeon
Surgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 

Practice Location
6920 McGinnis Ferry Rd Ste 340
Suite 340
Suwanee, GA 30024-6675

Phone: (770) 232-9252

887. Eugenius Harvey, MD MRCS FACS
Practicing Surgeon
Surgeries Performed
• BPD w/ Duodenal Switch 
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 

Practice Location
440 W 114th St
ACC1
New York, NY 10025-1796

Phone: (212) 636-1000

888. Ivy Haskins, MD
Practicing Surgeon
Surgeries Performed
• Laparoscopic Sleeve Gastrectomy 
• Roux-en-Y Gastric Bypass 


889. Melinda Hass, MD
Practicing Surgeon
Surgeries Performed
• Laparoscopic Sleeve Gastrectomy 
• Other Gastric Bypass 
• Roux-en-Y Gastric Bypass 

Practice Location
600 John Deere Rd Ste 301
Suite 301
Moline, IL 61265-6812

Phone: (309) 779-4400

890. Chandra Hassan, 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
840 S Wood St Ste 435E
Suite 435E
Chicago, IL 60612-4325

Phone: (312) 355-1493

891. Jonathan Hata, MD
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 

Practice Location
415 N Center St Ste 102
Suite 102
Hickory, NC 28601-5036

Phone: (828) 327-9178

892. Kathryn Hatch, 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
2900 12th Ave N Ste 355W
Billings, MT 59101-7589

Phone: (406) 238-6470

893. Mark Hausmann, 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 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 
• Single Anastomosis Duodeno-ileostomy 

Practice Location
6400 Perkins Rd
Baton Rouge, LA 70808-4124

Phone: (225) 769-5656

894. Dmytro Havaleshko, MD FACS
Practicing Surgeon
Surgeries Performed
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Other Gastric Restriction 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 
• Single Anastomosis Duodeno-ileostomy 

Practice Location
10 Members Way
Dover, NH 03820-5933

Phone: (603) 610-8095

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

Practice Location
2051 Marengo St
Los Angeles, CA 90033-1352


896. Gary Hayden, MD FACS
Practicing Surgeon
Surgeries Performed
• BPD w/ Duodenal Switch 
• Gastric Banding 
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 

Phone: (337) 235-3687

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

Practice Location
1002 Lexington Rd Ste 25B
Suite 25-B
Georgetown, KY 40324-1480

Phone: (502) 570-3727

898. Nathan Haywood, MD
Practicing Surgeon
Surgeries Performed
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 

Practice Location
70 Medical Center Cir Ste 213
Suite 213
Fishersville, VA 22939-2273


899. Kweku Hazel, MD
Practicing Surgeon
Surgeries Performed
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Sleeve Gastrectomy 
• Pediatric (Patients Under 18) 
• Revision/Conversion of Prior Procedure 
• Roux-en-Y Gastric Bypass 
• Single Anastomosis Duodeno-ileostomy 

Practice Location
12631 E 17th Ave Ste C313
Bldg AO1, Mail Stop C313
Aurora, CO 80045-2728

Phone: (720) 848-2070

900. Ryan Headley, MD
Practicing Surgeon
Surgeries Performed
• Follows Other Surgeons' Patients 
• Gastric Banding 
• Laparoscopic BPD w/ Duodenal Switch 
• Laparoscopic Roux-en-Y Gastric Bypass 
• Laparoscopic Sleeve Gastrectomy 
• Revision/Conversion of Prior Procedure 

Practice Location
3340 Oak Park Ave Ste 309
Suite 309
Berwyn, IL 60402-3483

Phone: (708) 484-0621