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Matthew H. Ornstein, MD

Matthew H. Ornstein, MD


Dr. Ornstein specializes in arthritis and musculoskeletal medicine, and is experienced in using musculoskeletal ultrasound to both diagnose and treat various forms of arthritis and other conditions which cause pain. Dr. Ornstein has more than 20 years of experience in rheumatology with an academic affiliation with Mount Sinai School of Medicine and has received many awards including  Castle Connolly Top Doctor award and Patient’s Choice award.


Somers Office
342 U.S. 202
Somers, NY 10589

Monday, Wednesday, Friday

Awards & Recognition

Castle Connolly Top Doctor:  2012 - 2021

  • Hudson Valley Magazine: 2017-2021

Patients' Choice Award: 2008 - 2011, & 2014

Compassionate Doctor Recognition: 2010 & 2011


Undergraduate & Graduate

Columbia University, New York: 1984

Medical Education

SUNY Stony Brook, New York: 1988


Internal Medicine
Mount Sinai School of Medicine: 1988


Internal Medicine
Mount Sinai School of Medicine: 1991


Fellow in Rheumatology
Mount Sinai School of Medicine: 1993

Board Certifications

Rheumatology: 1994
Internal Medicine: 1991


Hospital Affiliations

Putnam Hospital Center

Northern Westchester Hospital

Professional Affiliations

Assistant Clinical Professor, Division of Rheumatology, Department of Medicine, Mount Sinai Medical Center