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Hailyn Nielsen



About me

Pronouns: She | Her | Hers

Dr. Hailyn Nielsen is a rheumatologist who cares for patients with autoimmune, autoinflammatory and arthritic conditions. When not working with patients, she is working in the lab to better understand how the immune system functions.

Nielsen earned her medical degree and a doctorate in molecular microbiology and microbial pathogenesis at Washington University School of Medicine in St. Louis. She completed a residency in internal medicine and a fellowship in rheumatology at UCSF.

  • Education

    Washington University in St. Louis, MD, 2015

  • Residencies

    UCSF, Internal Medicine, 2018

  • Fellowships

    UCSF, Rheumatology, 2022

  • Academic Title

    Assistant Professor