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William O'Malley, M.D.

William O'Malley, M.D.

General Surgery, Bariatric Surgery, Surgery

UR Medicine Faculty The University of Rochester Medical Faculty Group (URMFG) consists of over 900 specialist and primary care providers spanning 19 departments. URMFG is certified by the National Committee for Quality Assurance.
Accountable Health Partner Accountable Health Partners (AHP) is a network of over 2,000 community and UR medical faculty and a dozen leading hospitals throughout the region. AHP offers a full range of care.
Accepting New Patients

Locations

Bariatric Center

1000 South Avenue
Rochester, NY 14620

General Surgery

1000 South Avenue
Rochester, NY 14620

About Me

Professional Background

Dr. O'Malley is an Assistant Professor of Clinical Surgery at the University of Rochester Medial Center and the Director of Bariatric Surgery at Highland Hospital. He has been a bariatric surgeon since 1996 and has performed nearly 10,000 bariatric surgical procedures. He introduced Laparoscopic Bar...
Dr. O'Malley is an Assistant Professor of Clinical Surgery at the University of Rochester Medial Center and the Director of Bariatric Surgery at Highland Hospital. He has been a bariatric surgeon since 1996 and has performed nearly 10,000 bariatric surgical procedures. He introduced Laparoscopic Bariatric surgery to the region in 2000.

He was certified by the American Board of Surgery in 1997.

Dr. O'Malley performs multiple types of Bariatric procedures depending on an individual patients need. He is experienced in Laparoscopic Gastric Bypass, Open Gastric Bypass, Laparoscopic Duodenal Switch, Open Duodenal Switch, Banded Gastroplasty, Laparoscopic Gastric Banding and Laparoscopic Sleeve Gastrectomies. Dr. O'Malley performs the largest number of Bariatric procedures in New York.

Dr O'Malley has traveled within the Region and internationally to teach and demonstrate advanced Laproscopic techniques in Bariatric Surgery. He has mentored and trained numerous surgeons to perform Bariatric Surgery profession. Recently, Dr. O'Malley has been featured on the Oprah Winfrey show and was asked to contribute to Good Housekeeping/Redbook magazine in 2009 as a subject matter expert.

Dr. O'Malley is actively involved in improving the Quality of patient care at Highland Hospital. He has been Co-Chair of the Surgical Quality Committee and is a Surgical Representative for the Credentialing Committee. He is the Medical Director of the Bariatric Fellowship program.

- Dr. O'Malley is a member of the Fellow American College of Surgeons 1999-Present
- Past president New York State Chapter, ASMBS 2017-2019
- Rochester Surgical Society, 1999- Present ( Past President)
- Monroe County Medical Society 2001-Present
- American Society of Metabolic and Bariatric Surgery, 2001-Present

Faculty Appointments

Assistant Professor of Clinical Surgery - Department of Surgery, Bariatric/GI (SMD)

Credentials

Residency & Fellowship

Residency, Surgery (General Surgery), University of Rochester School of Medicine GME. 1992 - 1996

Internship, Surgery (General Surgery), State University of New York College at Buffalo. 1991 - 1992

Education

MD | SUNY Health Science Center-Stony Brook (USA). 1991

Publications

Journal Articles

Bioabsorbable glycolide copolymer staple-line reinforcement decreases internal hernia rate after laparoscopic Roux-en-Y gastric bypass

Ahmed, A. R., G. Rickards, S. Husain, J. Johnson, W. O'Malley, and T. Boss.

Obes Surg. 2008; 18: 797-802.

Temporal and demographic factors influencing the desire for plastic surgery after gastric bypass surgery

Gusenoff, J. A., S. Messing, W. O'Malley, and H. N. Langstein.

Plast Reconstr Surg. 2008; 121: 2120-2126.

Roux limb obstruction secondary to constriction at transverse mesocolon rent after laparoscopic Roux-en-Y gastric bypass

Ahmed, A. R., G. Rickards, S. Messing, S. Husain, J. Johnson, T. Boss, and W. O'Malley.

Surg Obes Relat Dis. 2008; .

Post-bariatric surgery reconstruction: patient myths, perceptions, cost, and attainability strategies

Gusenoff, J. A., R. P. Pennino, S. Messing, W. E. O'Malley, T. J. Boss, and H. N. Langstein.

Plast Reconstr Surg. 2008; 122: 1e-9e.

Patterns of plastic surgical use after gastric bypass: who can afford it and who will return for more

Plast Reconstr Surg 122:951-958.

2008; 122: 951-958.

Accessing the common bile duct after Roux-en-Y gastric bypass

Ahmed, A. R., S. Husain, N. Saad, N. C. Patel, D. L. Waldman, and W. O'Malley.

Surg Obes Relat Dis. 2007; 3: 640-643.

Small-bowel obstruction after laparoscopic Roux-en-Y gastric bypass: etiology, diagnosis, and management

Husain, S., A. R. Ahmed, J. Johnson, T. Boss, and W. O'Malley.

Arch Surg. 2007; 142: 988-993.

Cholecystectomy during laparoscopic gastric bypass has no effect on duration of hospital stay

Ahmed, A. R., W. O'Malley, J. Johnson, and T. Boss.

Obes Surg. 2007; 17: 1075-1079.

Trends in internal hernia incidence after laparoscopic Roux-en-Y gastric bypass

Ahmed, A. R., G. Rickards, S. Husain, J. Johnson, T. Boss, and W. O'Malley.

Obes Surg. 2007; 17: 1563-1566.

CT scan diagnosis of bleeding peptic ulcer after gastric bypass

Husain, S., A. R. Ahmed, J. Johnson, T. Boss, and W. O'Malley.

Obes Surg. 2007; 17: 1520-1522.

Internal hernia with Roux loop obstruction during pregnancy after gastric bypass surgery

Ahmed, A. R., and W. O'Malley.

Obes Surg. 2006; 16: 1246-1248.

Laparoscopic Roux-en-Y gastric bypass in a patient with situs inversus

Ahmed, A. R., and W. O'Malley.

Obes Surg. 2006; 16: 1392-1394.

Laparoscopic Roux-en-Y Gastric Bypass and Its Early Effect on Blood Pressure.

Ahmed, A. R., G. Rickards, D. Coniglio, Y. Xia, J. Johnson, T. Boss, and W. O'Malley.

Obes Surg. .

Ratings & Reviews

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