About Dr. John Mascarenhas
Expertise
Board Certification
Hematology
Medical Oncology
Hospital Affiliations
Training and Faculty Appointments
Faculty Appointment
Associate Professor, Neuro-Oncology
Mount Sinai-Icahn School of Medicine
Mount Sinai-Icahn School of Medicine
Medical School
New York Medical College, 2002
Residency
Rhode Island Hosp
Internal Medicine, 2002 - 2005
Internal Medicine, 2002 - 2005
Fellowship
Mt Sinai Hosp
Hematology & Oncology, 2005 - 2008
Hematology & Oncology, 2005 - 2008
* Dates are self-reported data
Practice Locations
Ruttenberg Treatment Center
1470 Madison Ave Fl 3
New York, NY 10029
New York, NY 10029
Awards and Credentials
Regional Guides
New York Magazine: Top Doctors: 2019, 2020, 2021, 2022
Top Doctors New York Metro Area (digital guide): 2018, 2019, 2020, 2021, 2022
Insurance
See Full List
Hospital Information
Mount Sinai Hospital
1190 5th Avenue
New York, NY 10029
(646) 248-6252
Founded in 1852, The Mount Sinai Hospital is a 1,134-bed, tertiary-care teaching facility acclaimed internationally for excellence in clinical care. The Mount Sinai Hospital consistently earns Magnet status for nursing care, and it is the only medical center in New York State to earn Disease-Specific Care Comprehensive Stroke Center Certification from The Joint Commission. The institution also received a Health Care Innovation Award from the Centers for Medicare and Medicaid Services to open the first geriatric emergency department in New York City, and its Mount Sinai Access service is one of the largest and most sophisticated inpatient transfer services in the city.
Videos from this Hospital
Video Playlist
Now Watching
A New Era in Health Care
Now Watching
Revolutionizing Medicine
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