Toyooki Sonoda, M.D.

Colon and Rectal Surgery
Toyooki Sonoda

Toyooki Sonoda, MD is an Associate Professor of Clinical Surgery at Weill Cornell Medical College and an Associate Attending Surgeon at NewYork-Presbyterian Hospital/Weill Cornell Medical Center. Dr. Sonoda treats a wide variety of colon and rectal diseases, such as colon and rectal cancer, inflammatory bowel disease, diverticular disease, benign conditions of the anus, and functional problems such as rectal prolapse and incontinence. He is known for his outstanding technical skills, and comments: "What I owe my patients that trust me to operate on them is the most meticulous surgery possible. I truly believe this yields the best surgical outcomes." He is an expert in minimally invasive colon and rectal surgery, and has lectured nationally and internationally on these procedures.


Dr. Sonoda was named by Castle Connolly and US News & World Report in 2011-13 as one of "America's Top Doctors," and was recognized as one of "America's Top Surgeons" in 2014 by the Consumers' Research Council of America. He has been named by Castle Connolly as a "New York Super Doctor" yearly from 2008 - 15, and has been a recipient of the "Patient's Choice Award (2008-14)" and "Most Compassional Doctor Award (2012-13)." For his outstanding work in patient care, he was awarded the 2014 "Physician of the Year" award at New York Presbyterian Hospital/Weill Cornell Medical College.


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Dr. Sonoda graduated from Stanford University in 1989, and received his medical degree in 1993 from Yale University School of Medicine. He performed his postdoctoral training in general surgery at UC San Francisco until 1995, and completed his training at The Cleveland Clinic Foundation in 1998. His subsequent specialty training included a minimally invasive colon and rectal surgery fellowship at the Mount Sinai Medical Center from 1998-9, and a fellowship in colon and rectal surgery at The Cleveland Clinic Foundation from 1999-2000. He then traveled to Japan to help develop a laparoscopic gastric surgery program in 2000 in Osaka, Japan. Dr. Sonoda has been practicing at New York Presbyterian Hospital since 2001, and is currently the Residency Director for the combined New York Presbyterian Hospital/Memorial Sloan Kettering Cancer Center Colon and Rectal Surgery Residency Program. He is also the Director of the Greenberg 14 North Gastrointestinal Surgery floor.


Insurance Plans Accepted

The following represents most of the managed care plans accepted by this physician. If your insurance carrier does not appear here please contact the physician’s office as they may have individual contracts not included on this site.

* indicates this physician is no longer accepting new patients with this insurance plan.

  • Aetna - Weill Cornell [POS]
  • Empire Blue Cross/Blue Shield [PPO]
  • Empire Blue Cross/Blue Shield [Mediblue (Senior)]
  • Empire Blue Cross/Blue Shield [HMO]
  • Empire Blue Cross/Blue Shield [EPO]
  • Health Plus - Amerigroup [CHP]
  • Medicaid
  • Medicare
  • Oxford Health Plans [Liberty]
  • Oxford Health Plans [Freedom]
  • Rockefeller University - CoreSource
  • UHC Compass
  • United Health Care


Stamos MJ, Snyder M, Robb BW, Ky A, Singer M, Stewart DB, Sonoda T, Abcarian H.  Prospective multicenter study of a synthetic absorbable anal fistula plug to treat cryptoglandular transsphincteric anal fistulas. Dis Colon Rectum 2015; 57: 344-51.

Shukla PJ, Trencheva K, Merchant C, Maggiori L, Michelassi F, Sonoda T, Lee SW, Milsom JW. Laparoscopic resection of T4 colon cancers: is it feasible? Dis Colon Rectum 2015; 58: 25-31.

Seastedt KP, Trencheva K, Michelassi F, Alsaleh D, Milsom JW, Sonoda T, Lee SW, Nandakumar G. Accuracy of CT enterography and magnetic resonance enterography imaging to detect lesions preoperatively in patients undergoing surgery for Crohn’s disease. Dis Colon Rectum 2014; 57: 1364-70.

Milsom JW, Trencheva K, Sonoda T, Nandakumar G, Shukla PJ, Lee S. A prospective trial evaluating the clinical performance of a novel surgical energy device in laparoscopic colon surgery. Surg Endosc 2014;

Zhuo C, Trencheva K, Maggiori L, Milsom JW, Sonoda T, Shukla PJ, Vitellaro M, Makino T, Lee SW. Experience of a specialist center in  the management of anastomotic sinus following leaks after low rectal or ileal pouch-anal anastomosis with diverting stoma. Colorectal Dis 2013; 15: 1429-35.

Lee SW, Garrett KA, Shin JW, Trencheva K, Sonoda T, Milsom JW. Dynamic Article: Long-term outcomes of patients undergoing combined endolaparoscopic surgery for benign colon polyps. Dis Colon Rectum 2013; 56: 869-73.

Rivadeneira, DE, Verdeja JC, Sonoda T. Improved access and visibility during stapling of the ultra-low rectum: a comparative human cadaver study between two curved staplers. Ann Surg Innov Res. 2012; 13: 6-11.

Trencheva K, Morrissey KP, Wells M, Mancuso CA, Lee SW, Sonoda T, Michelassi F, Charlson ME, Milsom JW. Identifying important predictors for anastomotic leak after colon and rectal resection: prospective study on 616 patients. Ann Surg 2013; 257: 108-13.

Milsom J, Trencheva K, Monette S, Pavoor R, Shukla P, Ma J, Sonoda T. Evaluation and safety, efficacy, and versatility of a new surgical energy device (THUNDERBEAT) in comparison with Harmonic ACE, LigaSure V, and EnSeal devides in a porcine model. J Laparoendosc Adv Surg Tech A. 2012; 22: 378-86.

Jain S, Munjal S, Yantiss RK, Sonoda T, Fahey TJ, Ruggiero JT, Anand A, Gersten A, Goldsmith SJ, Ocean AJ. Isolated splenic metastasis from rectal carcinoma: a rare occurrence. Case Rep Oncol 2011; 4: 499-504.

Buitrago D, Trencheva K, Zarnegar R, Finnerty B, Aldailami H, Lee SW, Sonoda T, Milsom JW, Fahey TJ III. The impact of incidental identification on the stage and presentation of lower gastrointestinal carcinoids. J Am Coll Surg 2011; 213: 652-6.

Sonoda T, Verdeja JC, Rivadeneira DE. Stapler access and visibility in the deep pelvis: A comparative human cadaver study between a computerized right angle linear cutter versus a curved cutting stapler. Ann Surg Innov Res 2011; 5: 7.

 Ho VP, Stein SL, Trencheva K, Barie PS, Milsom JW, Lee SW, Sonoda T. Differing risk factors for incisional and organ/space surgical site infections following abdominal colorectal surgery. Dis Colon Rectum 2011; 54: 818-25.

Ho VP, Barie PS, Stein SL, Trencheva K, Milsom JW, Lee SW, Sonoda T. Antibiotic regimen and the timing of prophylaxis are important for reducing surgical site infection after elective abdominal colorectal surgery. Surg Infect 2011; 12: 255-60.

Milsom J, Trencheva K, Pavoor R, Dirocco J, Shukla PJ, Kawamura J, Sonoda T. Endoscopic fixation of the rectum for rectal prolapse: a feasibility and survival experimental study. Surg Endosc 2011; 25: 3691-7.

Trencheva K, Dhar P, Sonoda T, Lee S, Samuels J, Stein B, Milsom J. Physiologic effects of simultaneous carbon dioxide insufflation by laparoscopy and colonoscopy: prospective evaluation. Surg Endosc 2011; 25: 3279-85.

Yan J, Trencheva K, Lee SW, Sonoda T, Shukla PJ, Milsom J. Treatment of right colon polyps not removable by standard colonoscopy: combined laparoscopic-colonoscopic approach. Dis Colon Rectum 2011; 54: 753-8.

Delaney CP, Marcello PW, Sonoda T, Wise P, Bauer J, Techner L. Gastrointestinal recovery after laparoscopic colectomy: results of a prospective, multicenter, observational study. Surg Endosc 2010; 24: 653-61.

Milsom JW, de Oliveira O Jr, Trencheva KI, Pandey S, Lee S, Sonoda T. Long-term outcomes of patients undergoing curative laparoscopic surgery for low and mid rectal cancer. Dis Colon Rectum 2009; 52: 1215-22.

Nash GM, Bleier J, Milsom JW, Trencheva K, Sonoda T, Lee SW. Minimally invasive surgery is safe and effective for urgent and emergent colectomy. Colorectal Dis 2010; 12: 480-4.

Sonoda T, Pandy S, Trecheva K, Lee SW, Milsom JW. Long-term complications of laparoscopic and hand-assisted surgery for diseases of the colon and rectum. J Am Coll Surg 2009; 208: 62-6.

Offidile AC, Lee SW, Yoo J, Whelan RL, Moradi D, Baxter R, Arnell T, Nasar A, Sonoda T, Milsom JW, Feingold DL. Does prior abdominal surgery influence conversion rates and outcomes of laparoscopic right colectomy in patients with neoplasia? Dis Colon Rectum 2008; 51: 1669-74.

Marcello PW, Fleshman JW, Milsom JW, Read TE, Arnell TD, Birnbaum EH, Feingold DL, Lee SW, Mutch MG, Sonoda T, Yan Y, Whelan RL. Hand-assisted laparoscopic vs. laparoscopic colorectal surgery: a multicenter, prospective, randomized trial. Dis Colon Rectum 2008; 52: 818-26.

Maltz C, Sonoda T, Yantiss RK. Endometriosis causing ileal intussusseption. Gastrointest Endosc 2008; 67: 352-3.

Bleier JI, Moon V, Feingold D, Whelan RL, Arnell T, Sonoda T, Milsom JW, Lee SW. Initial repair of iatrogenic colon perforation using laparoscopic methods. Surg Endosc 2008; 22: 646-9.

Lee SW, Sonoda T, Milsom JW. Expediting of laparoscopic rectal dissection using a hand-access device. Dis Colon Rectum 2007; 50: 927-9.

Sonoda T, Lee S, Whelan RL, Le D, Foglia C, Venturero M, Hunt D, Nakajima K, Milsom JW. Robotically assisted small intestinal strictureplasty in dogs – A survival study involving 16 Heineke-Mikilucz strictureplasties. Surg Endosc 2007; 21: 2220-3.

Lee SW, Yoo J, Dujovny N, Sonoda T, Milsom JW. Laparoscopic vs. hand-assisted laparoscopic sigmoidectomy for diverticulitis. Dis Colon Rectum 2006; 49: 464-9.

Nakajima K, Lee SW, Sonoda T, Milsom JW. Intraoperative carbon dioxide colonoscopy: a safe insufflation alternative for locating colonic lesions during laparoscopic surgery. Surg Endosc 2005; 19: 321-5.

Lee SW, Sonoda T, Milsom JW. Three cases of adenocarcinoma following restorative proctocolectomy with hand-sewn anastomosis for ulcerative colitis: a review of reported cases in the literature. Colorectal Dis. 2005; 7: 591-7.

Nomura, Shinohara H, Mabuchi, Lee SW, Sonoda T, Tanigawa N. Postoperative evaluation of the jejunal pouch reconstruction following proximal and distal gastrectomy for cancer. Hepatogastroenterology 2004; 51: 1561-6.

Nakajima K, Lee SW, Cocilovo C, Foglia C, Sonoda T, Milsom JW. Laparoscopic total colectomy: Hand-assisted vs. standard technique. Surg Endosc 2004; 18: 582-6.

Nakajima K, Lee SW, Cocilovo C, Foglia C, Kim, Sonoda T, Milsom JW. Hand-assisted laparoscopic colorectal surgery using GelPort. Surg Endosc 2004; 18: 102-5.

Sonoda T, Hull T, Piedmonte MR, Fazio VW. The Outcomes of primary repair of anorectal and rectovaginal Fistulas using the endorectal advancement flap. Dis Colon Rectum 2002; 45: 1622-8.

Honors and Awards

2014 Consumer Research Council of America "America's Top Surgeons"

2011-2013 Castle Connolly "America's Top Doctors"

2011-2012 US News & World Report "Top Doctors in America"

2008-15 "New York SuperDoctors"--only 5 percent of all New York physicians earn this honor

2008-14 "Patient's Choice Award"

2012-13 "Most Compassionate Doctor Award"

Physician of the Year 2014, New York Presbyterian Hospital/Weill Medical College of Cornell University