Dr. Daniel Colby

Associate Professor

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Biography

Daniel K. Colby is an Associate Professor in the Department of Emergency Medicine at UC Davis Health System. He specializes in Emergency Medicine, Medical Toxicology, and Addiction Medicine, and serves as the Medical Director of the Emergency Medicine Department. His clinical interests include health equity, substance use disorders, critical care toxicology, and health technology in medical education. He is also the fellowship director for Addiction Medicine and leads the Substance Use Intervention Team (SUIT). Dr. Colby has received multiple accolades, including Sacramento Magazine's Top Doctors Award from 2021 to 2024, and the UC Davis Health Chief Staff Award in 2025. He is board certified in Emergency Medicine and Medical Toxicology by the American Board of Emergency Medicine, and holds a DEA license. Dr. Colby earned his B.S. in Neuroscience from UCLA, followed by an M.D. from UC Irvine College of Medicine. He completed his residency in Emergency Medicine at UC Davis Medical Center and a fellowship in Medical Toxicology at the same institution.

Research Interests

Experience

Associate Professor

2016-01-01 — Present

UC Davis Health System • Sacramento, CA

Associate Professor in the Department of Emergency Medicine and Medical Director.

Awards

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Sacramento Magazine's Top Doctors Award

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UC Davis Health Chief Staff Award

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UC Davis Health Diamond Doc Award

Requirements for University of California, Davis

Master Program
Requirements
GPA Requirement
Required:3
TOEFL
Listening
Required:20
Reading
Required:20
Writing
Required:20
Speaking
Required:20
Total
Required:80
IELTS
Overall
Required:7
Prerequisites
Bachelor's degree in Computer Science or related field ECS 120 (Theory of Computation) ECS 122A (Algorithm Design and Analysis) ECS 140A (Programming Languages) or ECS 160 (Software Engineering) ECS 150 (Operating Systems) or ECS 154B (Computer Architecture)
Application Checklist
  • Online application
  • Application fee
  • Three letters of recommendation
  • Transcripts
  • Statement of Purpose
  • Personal History Statement
  • CV/Resume
Specialization Notes

Department of Computer Science. GRE is NOT required.