Cesar Martin Castro, MD
Medical Oncology Physician · MD, MSC · Oncologist in Boston, MA
Provider details
- Specialty
- Medical Oncology Physician
- Also registered as
- Internal Medicine Physician
- Credentials
- MD, MSC
- NPI number
- 1184824112
Checked against the CMS National Provider Identifier registry on October 2, 2026.
Medicare information
- Medical school
- University of California, San Francisco School of Medicine, graduated 2005
- Also practices
- Internal Medicine
- Also sees patients at
- The General Hospital
55 Fruit St, Boston, MA 02114 · (617) 726-2000 - Brigham and Womens Physicians Organization
75 Francis St, Boston, MA 02115 · (617) 732-5500
- The General Hospital
- Hospital affiliations
- Massachusetts General Hospital, Boston, MA · Medicare rating 5 out of 5 stars
- Brigham and Women's Hospital, Boston, MA · Medicare rating 5 out of 5 stars
- Medicare
- Accepts Medicare assignment (the Medicare-approved amount as full payment)
- Telehealth
- Offers telehealth visits
From Medicare’s public Care Compare data (Doctors and Clinicians), checked October 3, 2026. Ratings are Medicare’s, not Know Cancer’s. Medicare Care Compare
About
Specialties
- Oncology
- Internal Medicine
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- Hospice in Boston (2)
- Cancer Camps and Retreats in Boston (1)
- Cancer Research Centers in Boston (1)
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