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Andrew Seidman

Oncology

Andrew Seidman, MD

Breast Medical Oncologist

New York, NY

Dr. Andrew D. Seidman is a medical oncologist specializing in breast cancer at Memorial Sloan Kettering Cancer Center in New York, NY. With over 40 years of experience, he manages all subtypes and stages of breast cancer, from early-stage disease to advanced metastatic cases, including breast cancer that has spread to the brain. He treats conditions such as primary breast cancers, metastatic breast cancer, and secondary breast cancer metastases. His clinical expertise encompasses chemotherapy an

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40+

Years in Practice

Credentials

Board Certifications

  • Internal Medicine (ABIM)
  • Medical Oncology (ABIM)

Education & Training

  • Hahnemann University School of Medicine — MD, 1985
  • Pennsylvania Hospital — Residency, Internal Medicine, 1985-1988
  • Memorial Sloan Kettering Cancer Center — Fellowship, Medical Oncology/Hematology, 1989-1992

Peer Recognition

  • Castle ConnollyAmerica's Top Doctor

    2023-2026 (4 years)

  • New York MagazineTop Doctor

    2021-2025 (5 years)

Clinical Focus

Subspecialties

Medical OncologyBreast Oncology

Conditions & Treatments

Breast CancerClinical Trials & Drug Development

Practice Details

Hospital Affiliations

  • Memorial Sloan Kettering Cancer Center
  • NewYork-Presbyterian Hospital
  • NYC Health + Hospitals/Bellevue

Languages

English, Spanish

Experience

40+ years in practice