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Leslie Seijo


Researcher and novice runner

About me

Pronouns: She | Her | Hers

Dr. Leslie Seijo is a pulmonologist who cares for patients undergoing lung transplantation. She also cares for patients with pulmonary needs at Zuckerberg San Francisco General Hospital and Trauma Center.

Seijo's research focuses on increasing access to pulmonary services, such as pulmonary rehabilitation, for people who live in underserved communities. She also studies implementation science, investigating ways for research findings and proven treatment methods to b be systematically incorporated into everyday patient care.

Seijo earned her medical degree at the San Juan Bautista School of Medicine in Puerto Rico. She completed a residency in internal medicine at Mount Sinai Beth Israel, where she served an additional year as chief resident. She completed a fellowship in pulmonary and critical care medicine at UCSF, where she trained in advanced lung disease and lung transplantation.

In 2022, Seijo earned a UCSF Exceptional Physician Award for her outstanding patient care. She belongs to the American Thoracic Society and International Society for Heart and Lung Transplantation.

  • Education

    San Juan Bautista School of Medicine, MD, 2015

  • Residencies

    Mount Sinai Health System, Internal Medicine, 2019

  • Fellowships

    UCSF, Pulmonary and Critical Care Medicine, 2022

  • Languages


My dream has been to make this world a better place, and serving patients makes this dream a reality.

Where I see patients (1)

    My reviews


    Overall Experience
    68 Ratings
    About our process
    Jan 01, 2024
    Awesome experience, answered all my questions and put me at ease.
    Nov 02, 2023
    Very kind and attentive Dr. Seijo
    Jul 29, 2023
    Every single doctor have a UCSF Lung Transplant team are awesome!!
    Jun 16, 2023
    Dr Seijo was awesome! very caring about my concerns
    Jun 02, 2023
    Dr Seijo was so attentive and unbelievably smart both in assessing my condition and providing solutions. The depth of quality in pulmonary is unbelievable
    May 13, 2023
    May 11, 2023
    She needs to be more specific with my Covid concerns
    Apr 02, 2023
    Care Provider was pleasant, reassuring & gave me time to ask questions & process answers. I didn't feel rushed.
    Feb 25, 2023
    I was very impressed with the staff and the service provided. I would expect nothing less from UCSF.
    Feb 10, 2023
    It was a pleasure working with Dr.Seijo.
    Nov 25, 2022
    Dr. Seijo was very thorough, showed concern.