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

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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

Academic title

  • Health Sciences Clinical Professor

Locations

    My research

    Reviews

    Average rating

    4.9
    4.9 out of 5 Stars
    149 ratings
    About provider reviews

    Showing 1-6 of 25 reviews

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    • 5 out of 5 Stars
      April 26, 2026

      With the gravity of the diagnosis, the knowledge, depth of discussion, empathy and convergence towards devising a treatment plan from the doctor were excellent.

    • 5 out of 5 Stars
      April 1, 2026

      Dr. Rebecca Olin, my Hematologist remains the best provider of my Care Team. As the months progressed of my ailment , I felt better and positive that I would live and overcome despite of my ordeal.

    • 5 out of 5 Stars
      March 17, 2026

      Dr. Olin is wonderful!

    • 5 out of 5 Stars
      March 2, 2026

      As I previously commented since the beginning of my treatment , Im so grateful that Dr. Rebecca Olin is my Hematologist and the leader of my Care Team. She's the best, hats off for her knowledge, skill , proper professional attitude and dedication .

    • 5 out of 5 Stars
      February 19, 2026

      My provider is fantastic!

    • 5 out of 5 Stars
      February 4, 2026

      Dr. Olin is constantly practicing the best medicine in a supportive way.

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