Dr. Ioannis Mastoris
- Gender: Male
- Sole propriator: No
- NPI: 1124403209
Dr. Ioannis Mastoris MD
Resident
He is located at 55 Fruit Street Grb 800 in Boston, MA 02114. His National Provider Identifier (NPI) number is 1124403209. Appointment can be made via the phone number (617) 643-7972.
Medicare Enrollment
Dr. Ioannis Mastoris is enrolled to bill Medicare as a Practitioner - Advanced Heart Failure And Transplant Cardiology (also registered under: Practitioner - Cardiovascular Disease (cardiology)) .
Bills through: Massachusetts General Physicians Organization Inc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
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Questions & Answers
Does Dr. Ioannis Mastoris accept insurance?
Unfortunately we don't have any information if Dr. Ioannis Mastoris accepts insurance.
Where can you meet with Dr. Ioannis Mastoris?
Dr. Ioannis Mastoris's office is located at 55 Fruit Street Grb 800 in Boston, MA 02114.