Antonio Homero Mendoza Ladd, M.D. for UC Davis Health

Antonio Homero Mendoza Ladd, M.D.

Medical Director of Endoscopy

Associate Professor, Division of Gastroenterology

To see if Antonio Homero Mendoza Ladd is accepting new patients, or for assistance finding a UC Davis doctor, please call 800-2-UCDAVIS (800-282-3284).






Internal Medicine

Locations and Contact

Patient Support Services Building

Patient Support Services Building
4150 V St.
Sacramento, CA 95817

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Additional Numbers

Clinic Phone


Physician Referrals

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

Philosophy of Care

The most important part of my job is to gain your trust. I want you to feel comfortable when discussing your health problems with me. When you talk I will listen. Through effective communication and a combination of both traditional and alternative endoscopic therapies, you and I will develop the best plan possible to address your issues and concerns.

Clinical Interests

Dr. Mendoza Ladd is an interventional endoscopist offering minimally invasive procedures for a broad variety of gastrointestinal and extra gastrointestinal conditions. He has a passion for innovation and is always at the forefront of the latest developments in gastrointestinal endoscopy. He currently provides cutting edge services for conditions such as gastrointestinal cancers, achalasia, gastroparesis, Zenker's Diverticulum, pancreato-biliary problems, and many others.

Research/Academic Interests

Dr. Mendoza Ladd's research is primarily focused on the exploration of innovative applications of endoscopy in the management of gastrointestinal cancer, the medical management of acute and chronic pancreatitis, and improving outcomes of "3rd space" endoscopic procedures. He has presented his research at both national and international conferences and has published several original articles and book chapters on these topics.

Dr. Mendoza Ladd also has a special interest in improving gastrointestinal healthcare outcomes among minorities, as well as increasing their representation in medicine. He champions these causes by actively participating in DEI initiatives in several medical professional societies.

Dr. Mendoza Ladd is also an avid teacher. Due to this particular interest and his extensive experience in the field, he is an actively sought after speaker. He has been invited to lecture on endoscopy topics at both the national and international stage. At UC Davis he is a key member of the faculty teaching the new generations of gastroenterology specialists.


Gastroenterology and Hepatology

Medical School

M.D., Universidad De San Carlos, Guatemala City, Guatemala 2005


Internal Medicine, Lenox Hill Hospital, New York NY 2007-2008


Internal Medicine, Lenox Hill Hospital, New York NY 2008-2010


Interventional Endoscopy, Geisinger Medical Center, Danville PA 2016


Gastroenterology, Lenox Hill Hospital, New York NY 2010-2013

National Hispanic Medical Association Leadership Fellowship. Leadership program designed to engage Hispanic Medical Leaders in Healthcare Policy, 2021

American Gastroenterological Association (AGA) FORWARD program. One of ten selected participants nationwide. Program aimed at increasing the participation of minority physicians in gastroenterology leadership positions., 2018

World Gastroenterology Organisation Train the Trainers course. One of two selected US representatives to attend the course, Khartoum, Sudan, 2018

ASGE Crystal Award: Community Outreach Award. Given for promoting awareness of colon cancer and the importance of screening colonoscopy, 2012

NYU Robert M. Glickman award for excellence in research, 2009

Othman M, Patel K, Krishna SG, Mendoza-Ladd A, Verco S, Abidi W, Verco J, Wendt A, diZerega G. Early phase trial of intracystic injection of large surface area microparticle paclitaxel for treatment of mucinous pancreatic cysts. Endosc Int Open. 2022 Dec 15;10(12):E1517-E1525. doi:10.1055/a-1949-7730. PMID:36531683.

Jones PD, Bailey DD, Damas OM, Ballester V, Vargas E, Mendoza-Ladd A; Inaugural Cohort of AGA FORWARD Program Scholars. Promoting the Pipeline of Diverse Individuals Within Gastroenterology: Reflections From AGA FORWARD Program Scholars. Gastroenterology. 2022 Sep;163(3):563-567. doi:10.1053/j.gastro.2022.06.078. Epub 2022 Jul 22. PMID:35879136.

Mendoza Ladd A, Casner N, Cherukuri SV, Garcia C, Padilla O, Dwivedi A, Hakim N. Fine Needle Biopsies of Solid Pancreatic Lesions: Tissue Acquisition Technique and Needle Design Do Not Impact Specimen Adequacy. Dig Dis Sci. 2022 Sep;67(9):4549-4556. doi:10.1007/s10620-021-07316-4. Epub 2021 Dec 2. PMID:34859313.

Ladd AM, Conwell D, Burroughs TE, Satish M. Prior Exposure to Nonsteroidal Anti-inflammatory Drugs Reduces the Rate of Organ Failure and In-Hospital Mortality in Acute Pancreatitis. Am J Med. 2022 Apr;135(4):471-477.e1. doi:10.1016/j.amjmed.2021.10.020. Epub 2021 Nov 15. PMID:34793751.

Zuckerman MJ, Elhanafi S, Mendoza Ladd A. Endoscopic Treatment of Esophageal Varices. Clin Liver Dis. 2022 Feb;26(1):21-37. doi:10.1016/j.cld.2021.08.003. Epub 2021 Sep 25. PMID:34802661. 

Mendoza Ladd A, Diehl DL. Artificial intelligence for early detection of pancreatic adenocarcinoma: The future is promising. World J Gastroenterol. 2021 Apr 7;27(13):1283-1295. doi:10.3748/wjg.v27.i13.1283. PMID:33833482. 

Mendoza Ladd A, Espinoza J, Garcia C. Endoscopic mucosal ablation - an alternative treatment for colonic polyps: Three case reports. World J Gastroenterol. 2020 Dec 7;26(45):7258-7262. doi:10.3748/wjg.v26.i45.7258. PMID:33362381.

Mendoza Ladd A, Bashashati M, Contreras A, Umeanaeto O, Robles A. Endoscopic pancreatic necrosectomy in the United States-Mexico border: A cross sectional study. World J Gastrointest Endosc. 2020 May 16;12(5):149-158. doi:10.4253/wjge.v12.i5.149. PMID:32477449.

Moraveji S, Casner N, Bashashati M, Garcia C, Dwivedi A, Zuckerman MJ, Carrion A, Ladd AM. The role of oral simethicone on the adenoma detection rate and other quality indicators of screening colonoscopy: a randomized, controlled, observer-blinded clinical trial. Gastrointest Endosc. 2019 Jul;90(1):141-149. doi:10.1016/j.gie.2019.03.018. Epub 2019 Mar 26. PMID:30926430.

Sundin OH, Mendoza-Ladd A, Zeng M, Diaz-Arévalo D, Morales E, Fagan BM, Ordoñez J, Velez P, Antony N, McCallum RW. The human jejunum has an endogenous microbiota that differs from those in the oral cavity and colon. BMC Microbiol. 2017 Jul 17;17(1):160. doi:10.1186/s12866-017-1059-6. PMID:28716079.