Department of Radiation Oncology Appointments & Referrals

Request a radiation oncology appointment or second opinion, refer a patient, find a doctor or view test results with Massachusetts General Hospital’s secure online services.
Dr. Helen Shih with patient.
Dr. Helen Shih with patient.

New to Mass General Department of Radiation Oncology?

Contact the Department of Radiation Oncology at 617-726-8650 (Clark Center for Radiation Oncology) or at any of our other locations.

Already a Department of Radiation Oncology Patient? Visit Patient Gateway

Contact your provider directly or use Patient Gateway to communicate with your care team and manage your appointments.

Referring Providers

Call the Center for Ambulatory Services at 855-477-4755 or refer your patient online.

Online Second Opinions

Get a second opinion from a Mass General specialist without traveling to Boston.

Appointment Resources

Find a doctor

Find a Doctor

View a list of our radiation oncologists and find contact information.

Find a location

Find a Location

Learn about our various locations and find our contact information.

Billing, Insurance & Financial Assistance

Insurance Guidelines

View the Department of Radiation Oncology's insurance guidelines.

International Patients

International Patients

Learn why thousands of international patients from more than 140 countries choose Mass General.

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Patient Gateway

Check upcoming appointments, communicate with your care team, review medications and pay medical bills.

Insurance Assistance

Health insurance coverage is a major concern for cancer patients and their families. The Radiation Oncology staff will be happy to assist you in securing necessary insurance information or answering any insurance-related questions for you or your child’s radiation treatments.

Questions? We're here to help you

For additional help choosing a doctor or making an appointment, please contact the Department of Radiation Oncology.