LeonGregoryDe MasiMD

Preventive Medicine • Newtown Square, PA

Public Health & General Preventive Medicine

Physician

Join to view full profile

Dr. De Masi is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
Connect with colleagues in the same hospital or clinic.
Read the latest clinical news, personalized to your specialty.

See Dr. De Masi's full profile

Already have an account?

Office
18 Campus Blvd
Suite 200
Newtown Square, PA 19073
Phone+1 610-707-6053

Education & Training

New York State Office of Mental HealthUndersea & Hyperbaric Medicine, 1992 - 1994
Crozer-Chester Medical CenterResidency, Internal Medicine, 1979 - 1982
Lewis Katz School of Medicine at Temple UniversityClass of 1979

Certifications & Licensure

PA State Medical License 1980 - 2026
DC State Medical License 2016 - 2018
IA State Medical License 2016 - 2018
DE State Medical License 2009 - 2015
NJ State Medical License 1987 - 2015
TX State Medical License 2012 - 2014
LA State Medical License 2012 - 2013
American Board of Preventive Medicine Public Health & General Preventive Medicine