Daphne Sy Say, M.D. for UC Davis Health

Daphne Sy Say, M.D.

Health Sciences Associate Clinical Professor, Department of Pediatrics

Director, UC Davis Children's Hospital Pediatric Inflammatory Bowel Disease Program

Vice Chair of Ambulatory Operations, Department of Pediatrics

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



Pediatric Gastroenterology

Pediatric Hepatology

Pediatric Nutrition



Locations and Contact

Glassrock Building

Glassrock Building
2521 Stockton Blvd.
Sacramento, CA 95817

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Additional Numbers

Clinic Phone


Clinic Fax


Physician Referrals

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

Clinical Interests

Dr. Say is a pediatric gastroenterologist who cares for children with digestive disorders, including Crohn's disease, ulcerative colitis, eosinophilic esophagitis, and functional gastrointestinal diseases. She serves as the director of the UC Davis Children's Hospital Pediatric Inflammatory Bowel Disease Program. Her current clinical and research interests include transitional care for adolescents with chronic disease, risk stratification in pediatric inflammatory bowel disease, and quality improvement.

Research/Academic Interests

Dr. Say's research focuses on improving the care of children and adolescents with inflammatory bowel disease using quality improvement methodology. She is also interested in the use of technology and telehealth to increase access to subspecialty care.


Pediatric Gastroenterology and Nutrition

Center/Program Affiliation

UC Davis Children's Hospital

Undergraduate School

B.S., Biology, Georgetown University, Washington DC 2005

Medical School

M.D., St. Louis University School of Medicine, St. Louis MO 2009


Pediatrics, UC San Diego/Rady Children's Hospital, San Diego CA 2009-2010


Pediatrics, UC San Diego/Rady Children's Hospital, San Diego CA 2010-2012


Pediatric Gastroenterology, Hepatology and Nutrition, UC San Diego/Rady Children's Hospital, San Diego CA 2012-2015

Golden Apple Teaching Award, UC Davis Department of Pediatrics, 2020, 2021, 2022

Eli Gold, M.D., Outstanding Junior Faculty Prize, UC Davis Department of Pediatrics, 2020

INQUIRY Best in Class Quality Improvement Award Rady Children's Hospital, San Diego, 2015

Certificate of Recognition for Excellence in Collaborative Clinical Education Rady Children's Hospital, San Diego, 2014

Critical Care Resident of the Year University of California, San Diego Department of Pediatrics/Rady Children's Hospital, San Diego, Division of Critical Care Medicine, 2012

Say DS, Ali S, Srinath A, Li BUK, Venkatesh RD. Improvise, Adapt, Overcome: How COVID-19 Transformed Inpatient Pediatric Gastroenterology. Clin Pediatr (Phila). 2021 Dec;60(14):569-573. doi: 10.1177/00099228211044854. Epub 2021 Sep 5. PMID: 34486430; PMCID: PMC8511829.

Rosenthal JL, Sigal IS, Kamerman-Kretzmer R, Say DS, Castellanos B, Nguyen S, Nakra NA, Restrepo B, Crossen SS. Increasing Use of Ambulatory Video Visits for Pediatric Patients by Using Quality Improvement Methods. Pediatr Qual Saf. 2021 Jun 23;6(4):e424. doi: 10.1097/pq9.0000000000000424. PMID: 34179675; PMCID: PMC8225361.

Say DS, de Lorimier A, Lammers CR, Natale J, Lakshminrusimha S, Wiedeman J, Partridge E. Risk Stratification and PPE Use in Pediatric Endoscopy During the Coronavirus Disease 2019 Outbreak: A Single-Center Protocol. J Pediatr Gastroenterol Nutr. 2020;70(6):751-754. doi:10.1097/MPG.0000000000002731. PMID:32443023.

Newfield RS, Graves CL, Newbury RO, Schwimmer JB, Proudfoot JA, Say DS, Feldstein AE. Non-alcoholic fatty liver disease in pediatric type 2 diabetes: Metabolic and histologic characteristics in 38 subjects. Pediatr Diabetes. 2019 Feb;20(1):41-47. doi:10.1111/pedi.12798. Epub 2018 Dec 9. PMID:30467936.

Say DS, Starnes T, Matsukuma K, Nguyen S. Gastrointestinal Bleeding After Hemolytic Uremic Syndrome: A Report of Drug-associated Granulation Tissue Polyps. J Pediatr Gastroenterol Nutr. 2018 Nov;67(5):e102-e104. doi:10.1097/MPG.0000000000002044. PMID:29851764.

Say DS, Chaparro J, Koning JL, Sivagnanam M. Fever and Jaundice in a Previously Healthy Teenager. Clin Pediatr (Phila). 2016 Oct;55(11):1081-4. doi:10.1177/0009922816667311. PMID:27630008.

Say D, Crawford JR. Vitamin B12 Deficiency Presenting as Acute Ataxia. BMJ Case Reports. Published online 2013 March 26. doi:10.1136/bcr-2013-008850. PMID:23536622.