A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
Learn more about Dr. Karen Marcus:
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Specialties & Research
Dr. Karen Marcus, MD is board certified in Pediatrics and Radiation Oncology.
- She has special expertise in 11 areas:
- Adjuvant Chemotherapy
- Bone Marrow Transplantation
- Central Nervous System Cancer (CNS Neoplasm)
- Chronic B-Cell Lymphocytic Leukemia
- Hodgkin Disease
- Radiation Oncology
- Soft Tissue Cancer (Sarcoma)
Education & Awards
Dr. Marcus graduated from University of Maryland , Baltimore. She has 3 awards.
Dr. Marcus has 9 hospital affiliations:
- Beth Israel Deaconess Medical Center
- Brigham and Women's Hospital
Accepted Insurance Plans
Dr. Marcus accepts these health insurances in at least one office:
- Tufts Health Plans - 2 plans
- United Healthcare - 2 plans
- Blue Cross Blue Shield of Massachusetts - 2 plans
- Unicare - 2 plans
- Network Health - 2 plans
- Humana - 6 plans
- Cigna - 1 plan
- Fallon Community Health Plan (FCHP) - 1 plan
- Aetna - 3 plans
- MVP Health Care Preferred Care - 1 plan