Portrait of Rebecca L. Olin
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Rebecca L. Olin, MD, MS

Hematology • Hematology Oncology
Hematology, Blood & Marrow Transplant, and Cellular Therapy (HBC) Parnassus
Portrait of Rebecca L. Olin
Portrait of Rebecca L. Olin
ucsf logo

Rebecca L. Olin, MD, MS

Hematology • Hematology Oncology
Hematology, Blood & Marrow Transplant, and Cellular Therapy (HBC) Parnassus

On this page

About me

Dr. Rebecca Olin is a hematologist who specializes in bone marrow transplantation in adults. Her expertise encompasses treating acute leukemia, myelodysplastic and myeloproliferative disorders (conditions in which the bone marrow makes too many white blood cells) and aplastic anemia (a condition in which the body doesn’t make enough new blood cells).

In her research, Olin has a particular interest in studying how best to treat blood cancers in older patients, some of whom may require a bone marrow transplant.

Olin earned her medical degree from the Perelman School of Medicine at the University of Pennsylvania and was elected to the Alpha Omega Alpha Honor Medical Society. She completed a residency in internal medicine as well as a fellowship in hematology and oncology at the Hospital of the University of Pennsylvania, serving as chief fellow for one year. She also has a master's degree in clinical epidemiology, with a focus on medical decision making, from the University of Pennsylvania.

Education & training

Board certification

  • Medical Oncology, American Board of Internal Medicine

Fellowship

  • Hematology - Oncology, University of Pennsylvania

Residency

  • Internal Medicine, University of Pennsylvania

Internship

  • Internal Medicine, University of Pennsylvania

Degree

  • MD, University of Pennsylvania School of Medicine

Locations

    Reviews

    Average rating

    4.9
    4.9 out of 5 Stars
    152 ratings
    About provider reviews

    Showing 1-6 of 19 reviews

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    • 5 out of 5 Stars
      November 3, 2025

      I continue to receive excellent care from Dr Olin, her residents, and her nurse practitioners

    • 5 out of 5 Stars
      October 21, 2025

      Yes, with Dr. Rebecca Olin as the Head of my Care Team, possesses wide knowledge, skillful, and dedicated Hematologist. I've been her patient almost a year and yet since day one she remains the same personable, warm and open; very comforting as I'm facing so many challenges on this journey. I have so much respect to her. Without any hesitation all I can say, an excellent and outstanding doctor.

    • 5 out of 5 Stars
      September 27, 2025

      It was my first visit with Dr. Olin, I really like her. I think we will work well together!!

    • 5 out of 5 Stars
      September 16, 2025

      Dr Olin is always has provided me the best of care. Today that was even more so today in her genuine discussion with me about my disease and over all wellbeing.

    • 5 out of 5 Stars
      July 11, 2025

      I am extremely pleased with my care provider and I would highly recommend her to others.

    • 5 out of 5 Stars
      June 2, 2025

      My care team is always 100% on the ball

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