Daniel K. Colby, M.D.
Associate Professor, Department of Emergency Medicine
Medical Director, Department of Emergency Medicine
Daniel K. Colby is not currently accepting new patients. For assistance finding a UC Davis doctor, please call 800-2-UCDAVIS (800-282-3284).
Locations and Contact
UC Davis Medical Center
Emergency Medicine Department
2315 Stockton Blvd.
Sacramento, CA 95817
Phone: 916-734-3790
Clinical Interests
Dr. Colby specializes in Emergency Medicine, Medical Toxicology and Addiction Medicine. He is also the Addiction Medicine fellowship director and leads the Substance Use Intervention Team (SUIT).
Research/Academic Interests
Dr. Colby’s academic interests include health equity, clinical operations, substance use disorders, critical care toxicology, health technology and medical education.
Division
Emergency Medicine
Undergraduate School
B.S., Neuroscience, UCLA, Los Angeles CA 2006
Medical School
M.D., UC Irvine College of Medicine, Irvine CA 2011
Residency
Emergency Medicine, UC Davis Medical Center, Sacramento CA 2011-2013
Fellowship
Medical Toxicology, UC Davis Medical Center, Sacramento CA 2013-2016
Sacramento Magazine's Top Doctors Award, 2021, 2022, 2023, 2024,
UC Davis Health Chief of Staff Award, 2025,
UC Davis Health Diamond Doc Award, 2023,
Chenoweth JA, LaValley CK, Eberhardt CS, Colby DK, Albertson TE, Tran NK. Cost-Effective Drug Testing: Analytical Methodology, Best Practices, and Clinical Utility. J Appl Lab Med. 2025 Jan 3;10(1):92-112. doi: 10.1093/jalm/jfae118. PMID: 39749442.
Agnoli AL, Howe R, Magnan E, Jerant A, Colby D, Franks P. Urine Drug Testing Among Patients Prescribed Long-Term Opioid Therapy: Patient and Clinician Factors. J Am Board Fam Med. 2023 Aug 9;36(4):537-541. doi: 10.3122/jabfm.2022.220360R1. Epub 2023 Jul 19. PMID: 37468213.
Porras H, Johnson E, Kotova M, Chenoweth J, Colby D. Buprenorphine Inductions via Transdermal Patches for Opioid Use Disorder in the Inpatient Setting. J Pain Palliat Care Pharmacother. 2023 Sep;37(3):251-256. doi: 10.1080/15360288.2023.2222021. Epub 2023 Jun 16. PMID: 37326470.
Chenoweth JA, Colby DK, Sutter ME, Radke JB, Ford JB, Nilas Young J, Richards JR. Massive diltiazem and metoprolol overdose rescued with extracorporeal life support. The American Journal of Emergency Medicine. 2017; 35(10):1581.e3-1581.e5. PubMed [journal] PMID: 28705745
Sutter ME, Gerona RR, Davis MT, Roche BM, Colby DK, Chenoweth JA, Adams AJ, Owen KP, Ford JB, Black HB, Albertson TE. Fatal Fentanyl: One Pill Can Kill. Academic emergency medicine : official journal of the Society for Academic Emergency Medicine. 2017; 24(1):106-113. PubMed [journal] PMID: 27322591