Portrait of Nisha Hariharan
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Nisha Hariharan, MD

She | Her | HersMedical Oncology • Hematology
Hematology, Blood & Marrow Transplant, and Cellular Therapy (HBC) Parnassus
Portrait of Nisha Hariharan
Portrait of Nisha Hariharan
ucsf logo

Nisha Hariharan, MD

She | Her | HersMedical Oncology • Hematology
Hematology, Blood & Marrow Transplant, and Cellular Therapy (HBC) Parnassus

On this page

About me

Dr. Nisha Hariharan is a hematologist-oncologist who cares for patients with blood disorders (both cancerous and non-cancerous) and a variety of solid tumors, with a focus in breast cancer. She utilizes treatments such as chemotherapy, immunotherapy, and targeted therapy tailored to each individual patient. She strives to provide all of her patients with compassionate care and open communication.

Hariharan's research focuses on blood disorders, including both cancerous and noncancerous conditions. She has published her findings in peer-reviewed journals and presented at national hematology conferences.

Hariharan earned her medical degree at the Pennsylvania State University. She completed a residency in internal medicine at the University of California, Davis, followed by a fellowship in hematology and oncology at the University of California, San Diego.

Outside of work, Hariharan enjoys playing the piano and spending time outdoors.

Education & training

Board certification

  • Hematology, American Board of Internal Medicine/Hematology
  • Medical Oncology, American Board of Internal Med/Medical Oncology
  • Internal Medicine, American Board of Internal Medicine

Fellowship

  • Hematology - Oncology, University of California San Diego - Hema/Oncology

Residency

  • Internal Medicine, Univ of CA Davis Medical Center - Internal Med GME

Degree

  • MD, Pennsylvania State University of Medicine

Locations

    Reviews

    Average rating

    4.9
    4.9 out of 5 Stars
    361 ratings
    About provider reviews

    Showing 1-6 of 81 reviews

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    • 5 out of 5 Stars
      January 19, 2026

      GOOD EXPERIENCE. DR H. WAS PROFESSIONAL, THOROUGH AND CLEAR.

    • 5 out of 5 Stars
      January 10, 2026

      Dr. Hariharan is wonderful

    • 5 out of 5 Stars
      January 4, 2026

      All ratings are better than Very Good. She is an excellent Doctor.

    • 4.8 out of 5 Stars
      December 21, 2025

      Very positive

    • 5 out of 5 Stars
      December 18, 2025

      Everyone from the entrance to the finish was friendly and awesome.

    • 5 out of 5 Stars
      December 12, 2025

      Dr Hariharan is so thorough in the info she provides. I never feel like she's rushing my appointment.

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