HealthCareAtlasUSA

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Doctors / NY

MATTHEW H ORNSTEIN, MD

RHEUMATOLOGY

Medical school: STATE UNIVERSITY OF NEW YORK AT STONY BROOK, SCHOOL OF MEDICINE

Graduated: 1988

Also: INTERNAL MEDICINE

Offers telehealth

NPI: 1598737066

Practice Locations (1)

OPTUM MEDICAL CARE PC

90 S BEDFORD RD

MOUNT KISCO, NY 105493412

9142411050

Source: CMS National Downloadable File, September 2026.

MATTHEW ORNSTEIN, MD | HealthCareAtlasUSA