HealthCareAtlasUSA

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Doctors / NJ

O'NEIL ROY MASON, MD

CARDIOVASCULAR DISEASE (CARDIOLOGY)

Graduated: 2005

Also: INTERNAL MEDICINE

NPI: 1699046748

Practice Locations (2)

PRACTICE ASSOCIATES MEDICAL GROUP

100 MADISON AVE

MORRISTOWN, NJ 079606095

9739715000

PREMIER HEALTH ASSOCIATES LLC

89 SPARTA AVE, SUITE 100

SPARTA, NJ 078711790

9737292121

Source: CMS National Downloadable File, September 2026.

O'NEIL MASON, MD | HealthCareAtlasUSA