Mohamed R. Ali, M.D.

Professor and Chief of Foregut, Metabolic and General Surgery

Senior Associate Medical Officer of UD Davis Health

Executive Director of the Center for Alimentary and Metabolic Science

To see if Mohamed R. Ali is accepting new patients, or for assistance finding a UC Davis doctor, please call 800-2-UCDAVIS (800-282-3284).



Surgery - Bariatric

Surgery - Foregut & Metabolic



Locations and Contact

2221 Stockton Blvd.
Sacramento, CA 95817

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Additional Numbers

Clinic Phone


Clinic Fax


Physician Referrals

800-4-UCDAVIS (800-482-3284)

Philosophy of Care

Trust is the basis of a successful therapeutic relationship between a patient and his/her doctor. I seek to develop mutual trust with my patients through transparency, respect, and compassion.

Clinical Interests

Dr. Ali is an expert in weight management and metabolic health, ranging from medically-supervised weight loss program to bariatric (obesity) surgery. He also has a special interest in foregut issues such as reflux and achalasia and employs all of the latest techniques in patient care.

Research/Academic Interests

Dr. Ali's research focuses on understanding how nutrition affects metabolic health and seeks to optimize preventative and treatment strategies. His specific interests lie in how bariatric (obesity) surgery helps patients manage weight and improve medical conditions.


Foregut, Metabolic and General Surgery
General Surgery

Center/Program Affiliation

Center for Alimentary and Metabolic Science
Robotic Surgery Program

Undergraduate School

B.S., Chemical Engineering, University of South Carolina, Columbia SC 1991

Medical School

M.D., Medical University of South Carolina, Charleston SC 1995


Surgery, Medical University of South Carolina, Charleston SC 1995-2001


Minimally Invasive Surgery, Virginia Commonwealth University, Richmond VA 2001-2002

Expert Panel, American Board of Surgery, Focused Designation in Metabolic and Bariatric Surgery, 2021, 2022

Executive Director, UC Davis Center for Alimentary and Metabolic Science, 2021, 2022

Associate Editor, Surgery for Obesity and Related Disorders, 2020, 2021, 2022

Chair of Research, American Society for Metabolic and Bariatric Surgery, 2017, 2018, 2019

LEAD Research Award, American Society for Metabolic and Bariatric Surgery Foundation, 2015

Garcia A, Giorgi M, Parikh S, Carr AD, Ali MR. Pre-operative and intra-operative factors that influence length of stay in patients on an enhanced recovery after surgery protocol following bariatric surgery. Bariatric Surgical Practice and Patient Care. 2021 Mar 15;16(1). doi:10.1089/bari.2020.0019.

Shamseddeen HN, R Mostaedi, J Ali, SJL Hutchinson, WD Fuller, GL Hutchinson, KA Hutchinson, MR Ali. Psychological Predictors of Weight Loss Success Following Roux-en-Y Gastric Bypass. Curr Research Diabetes Obesity J. 2017;3:555612.

Ali M, El Chaar M, Ghiassi S, Rogers AM; American Society for Metabolic and Bariatric Surgery Clinical Issues Committee. American Society for Metabolic and Bariatric Surgery updated position statement on sleeve gastrectomy as a bariatric procedure. Surg Obes Relat Dis. 2017 Oct;13(10):1652-1657. doi:10.1016/j.soard.2017.08.007. Epub 2017 Aug 22. PMID:29054173.

Ali MR, Moustarah F, Kim JJ; American Society for Metabolic and Bariatric Surgery Clinical Issues Committee. American Society for Metabolic and Bariatric Surgery position statement on intragastric balloon therapy endorsed by the Society of American Gastrointestinal and Endoscopic Surgeons. Surg Obes Relat Dis. 2016 Mar-Apr;12(3):462-467. doi:10.1016/j.soard.2015.12.026. Epub 2015 Dec 22. PMID:27056407.

Mostaedi R, Lackey DE, Adams SH, Dada SA, Hoda ZA, Ali MR. Prevalence of undiagnosed and inadequately treated type 2 diabetes mellitus, hypertension, and dyslipidemia in morbidly obese patients who present for bariatric surgery. Obes Surg. 2014 Jun;24(6):927-35. doi:10.1007/s11695-014-1196-z. PMID:24522720.

Vidovszky TJ, Carr AD, Farinholt GN, Ho HS, Smith WH, Ali MR. Single-site robotic cholecystectomy in a broadly inclusive patient population: a prospective study. Ann Surg. 2014 Jul;260(1):134-41. doi:10.1097/SLA.0000000000000295. PMID:24169178.

Farinholt GN, Carr AD, Chang EJ, Ali MR. A call to arms: obese men with more severe comorbid disease and underutilization of bariatric operations. Surg Endosc. 2013 Dec;27(12):4556-63. doi:10.1007/s00464-013-3122-1. Epub 2013 Aug 16. PMID:23949482.

Krispel CM, Keltner JL, Smith W, Chu DG, Ali MR. Undiagnosed papilledema in a morbidly obese patient population: a prospective study. J Neuroophthalmol. 2011 Dec;31(4):310-5. doi:10.1097/WNO.0b013e3182269910. PMID:21799447.

Ali MR, Baucom-Pro S, Broderick-Villa GA, Campbell JB, Rasmussen JJ, Weston AN, Yamasaki JL, Fuller WD, Monash JB, Casillas RA. Weight loss before gastric bypass: feasibility and effect on postoperative weight loss and weight loss maintenance. Surg Obes Relat Dis. 2007 Sep-Oct;3(5):515-20. doi:10.1016/j.soard.2007.05.002. Epub 2007 Aug 8. PMID:17686662.

Ali MR, Maguire MB, Wolfe BM. Assessment of obesity-related comorbidities: a novel scheme for evaluating bariatric surgical patients. J Am Coll Surg. 2006 Jan;202(1):70-7. doi:10.1016/j.jamcollsurg.2005.09.014. Epub 2005 Nov 18. PMID:16377499.