Derek John Bays, M.D.
Assisstant Clinical Professor, Department of Internal Medicine, Division of Infectious Diseases
To see if Derek John Bays is accepting new patients, or for assistance finding a UC Davis doctor, please call 800-2-UCDAVIS (800-282-3284).
Locations and Contact
Lawrence J. Ellison Ambulatory Care Center
General Medicine
4860 Y St.
Sacramento, CA 95817
Phone: 916-734-2737
Philosophy of Care
Dr. Bays believes that that patient involvement is instrumental in a successful treatment strategy. Whenever possible, he aims to get patient input and utilize shared decision making to determine individualized treatment plans for his patients.
Clinical Interests
Dr. Bays is an infectious diseases phsyician. His areas of interest are clinical mycology and fungal infections in patients with hematologic malignancy.
Research/Academic Interests
Dr. Bays’ research focuses on identifying novel ways of preventing invasive fungal infections in patients with hematologic malignancies. He is investigating how fungal pathogens interact with the patient microbiome. He also is interested in researching Valley Fever, another time of fungal infection.
Division
Infectious Diseases
Undergraduate School
B.S., Exercise Biology, UC Davis, Davis CA 2010
Medical School
M.D., UC Davis School of Medicine, Sacramento CA 2005
Internship
Internal Medicine, UC Davis Health, Sacramento CA 2015-2016
Residency
Internal Medicine, UC Davis Health, Sacramento CA 2016-2019
Fellowship
Infectious Diseases, UC Davis Health, Sacramento CA 2019-2022
Fellow of the Year, UC Davis Internal Medicine, 2020
Senior Resident of the Year, UC Davis Internal Medicine, 2018
Intern of the Year, UC Davis Internal Medicine, 2016
Eli Benjamin Endowed Fund for Biological Science, UC Davis School of Medicine, 2015
Golden Goblet Award, UC Davis School of Medicine, 2015
A full list of my published work can be found at: https://www.ncbi.nlm.nih.gov/myncbi/derek.bays.2/bibliography/public/
Hsu AP, Korzeniowska A, Aguilar CC, Gu J, Karlins E, Oler AJ, Chen G, Reynoso GV, Davis J, Chaput A, Peng T, Sun L, Lack JB, Bays DJ, Stewart ER, Waldman SE, Powell DA, Donovan FM, Desai JV, Pouladi N, Long Priel DA, Yamanaka D, Rosenzweig SD, Niemela JE, Stoddard J, Freeman AF, Zerbe CS, Kuhns DB, Lussier YA, Olivier KN, Boucher RC, Hickman HD, Frelinger J, Fierer J, Shubitz LF, Leto TL, Thompson GR 3rd, Galgiani JN, Lionakis MS, Holland SM. Immunogenetics associated with severe coccidioidomycosis. JCI Insight. 2022 Nov 22;7(22):e159491. doi:10.1172/jci.insight.159491. PMID:36166305.
Shemuel J, Bays DJ, Thompson GR, Reef S, Snyder L, Freifeld AJ, Huppert M, Salkin D, Wilson MD, Galgiani JN. Natural history of pulmonary coccidioidomycosis: Further examination of the VA-Armed Forces Database. Med Mycol. 2022 Oct 28;60(10):myac054. doi:10.1093/mmy/myac054. PMID:36166843.
McHardy I, Reagan KL, Sebastian JF, Barker B, Bays DJ, Dandekar S, Cohen SH, Jennings KE, Sykes J, Thompson GR 3rd. Sex Differences in Susceptibility to Coccidioidomycosis. Open Forum Infect Dis. 2022 Feb 16;9(3):ofab543. doi:10.1093/ofid/ofab543. PMID:35252466.
Bays DJ, Thompson GR, Reef S, Snyder L, Freifeld AJ, Huppert M, Salkin D, Wilson MD, Galgiani JN. Natural History of Disseminated Coccidioidomycosis: Examination of the Veterans Affairs-Armed Forces Database. Clin Infect Dis. 2021 Dec 6;73(11):e3814-e3819. doi:10.1093/cid/ciaa1154. PMID:32778863.
McHardy IH, Dinh BN, Waldman S, Stewart E, Bays D, Pappagianis D, Thompson GR 3rd. Coccidioidomycosis Complement Fixation Titer Trends in the Age of Antifungals. J Clin Microbiol. 2018 Nov 27;56(12):e01318-18. doi:10.1128/JCM.01318-18. PMID:30257902.