Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Bonnie McGuire Wreschner, MD

Individual provider Emergency Medicine Physician · NPI 1871789834

Dr. Bonnie McGuire Wreschner, MD is an Emergency Medicine in Greenwich, Connecticut. Graduated from New York Medical College in 2007, 19 years ago. Practices with Greenwich Hospital, a 79-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
19
Trained at
New York Medical College
Licensed in
CT
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

5 Perryridge Rd
Greenwich, CT 06830
Phone: (973) 971-7926
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 48258 (CT)

Record details

NPI number1871789834
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 24, 2007
Last updated in NPPESAugust 20, 2018

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 2007 (19 years in practice)
Group practice Greenwich Hospital — 79 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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