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Emergency Medicine in Greenwich, Connecticut

Data updated monthly · Last refresh September 2026

13 Emergency Medicine providers practice in Greenwich. Listings are drawn from federal public records and are not endorsements.

Emergency Medicine providers in Greenwich

Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Bonnie Mcguire Wreschner, MD
Greenwich, CT · No drug or device payments recorded (2025) · (973) 971-7926
Dr. Christopher Davison, M.D.
Greenwich, CT · No drug or device payments recorded (2025) · (203) 863-3637
Dr. J. Allen Britvan, M.D
Greenwich, CT · No drug or device payments recorded (2025) · (203) 863-3637
Dr. Jeffrey Weintraub, M.D.
Greenwich, CT · No drug or device payments recorded (2025) · (203) 203-8633
Dr. Jennifer Provataris, M.D.
Greenwich, CT · No drug or device payments recorded (2025) · (203) 863-3637
Dr. Jeremiah Tyson, M.D
Greenwich, CT · $17 in drug and device payments (2025) · (203) 863-3000
Dr. Maria Brea, M.D.
Greenwich, CT · No drug or device payments recorded (2025) · (203) 863-3000
Dr. Michael Canter, M.D.
Greenwich, CT · $54 in drug and device payments (2025) · (203) 863-3632
Dr. Robert Chang, MD
Greenwich, CT · No drug or device payments recorded (2025) · (203) 863-3637
Dr. Ryan Casarella, M.D.
Greenwich, CT · No drug or device payments recorded (2025) · (203) 863-3000
Dr. Servando De Los Angeles, M.D.
Greenwich, CT · No drug or device payments recorded (2025) · (203) 863-3637
Dr. Shideh Imanian-parsa, M.D.
Greenwich, CT · No drug or device payments recorded (2025) · (203) 863-3637
Dr. Stacey Donegan, M.D.
Greenwich, CT · No drug or device payments recorded (2025) · (203) 863-3637

Common questions

How many Emergency Medicine providers are in Greenwich, Connecticut?

There are 13 Emergency Medicine providers with active NPI records practicing in Greenwich, according to federal NPPES data refreshed monthly.

Where does this data come from?

Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

All specialties in Greenwich Emergency Medicine across Connecticut

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.