IndividualActive
Ioannis Mastoris, MD
NPI 1124403209 · Advanced Heart Failure and Transplant Cardiology Physician · Boston, MA
Provider details
- NPI number
- 1124403209
- Entity type
- Individual
- Primary specialty
- Advanced Heart Failure and Transplant Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 23750 (NH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Practice location
55 Fruit St
Grb 800
Boston, MA 02114-2696
Phone: (617) 643-7972
Approximate (ZIP-level) locationGet directions
Mailing address
Po Box 9142
Charlestown, MA 02129-9142
Additional practice locations (1)
- 67 Corporate Dr Ste 200Portsmouth, NH 03801-2847Phone: (603) 610-8070
Registry dates
- Enumerated
- 2015-07-30
- Last updated
- 2023-05-01
- Certified
- 2023-05-01
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.