Portrait of Leslie Seijo
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Leslie Seijo, MD

She | Her | HersTransplant Pulmonology • Pulmonology
Lung Transplant Program Parnassus
415-353-4145
Portrait of Leslie Seijo
Portrait of Leslie Seijo
ucsf logo

Leslie Seijo, MD

She | Her | HersTransplant Pulmonology • Pulmonology
Lung Transplant Program Parnassus
415-353-4145

On this page

About me

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 & training

Board certification

  • Critical Care Medicine, American Board of Internal Med/Critical Care Med
  • Pulmonary Disease, American Board of Internal Med/Pulmonary Disease
  • Internal Medicine, American Board of Internal Medicine

Fellowship

  • Pulmonary, Critical Care, and Sleep Medicine, UCSF Graduate Medical Education

Residency

  • Internal Medicine, Icahn School of Medicine at Mount Sinai

Degree

  • MD, San Juan Bautista School of Medicine

My expertise

Locations

    Reviews

    Average rating

    4.9
    4.9 out of 5 Stars
    82 ratings
    About provider reviews

    Showing 1-6 of 13 reviews

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    • 5 out of 5 Stars
      December 20, 2025

      Everything/everyone in the lung transplant department is first class

    • 5 out of 5 Stars
      September 27, 2025

      Dr. Seijo is so caring and inspires one with so much confidence in her knowledge and guidance. I appreciate the whole UCSF Lung Transplant team so very much!

    • 5 out of 5 Stars
      June 18, 2025

      Dr Seijo is very easy to talk with. She is a caring professional with great listening skills. I appreciate her thorough question & answers.

    • 5 out of 5 Stars
      May 21, 2025

      My healthcare provider is outstanding

    • 5 out of 5 Stars
      April 16, 2025

      Very thoughtful on diagnosing drug complications

    • 5 out of 5 Stars
      December 11, 2024

      Dr. Seijo is a great communicator and really listens to my concerns.

    Please check with your health insurance plan regarding coverage for this type of care. Not all providers at UCSF Health are covered by every insurance plan.

    For informational purposes only, a link to the federal Centers for Medicare and Medicaid Services (CMS) Open Payments web page is provided here. The federal Physician Payments Sunshine Act requires that detailed information about payment and other payments of value worth over ten dollars ($10) from manufacturers of drugs, medical devices, and biologics to physicians and teaching hospitals be made available to the public.