Bonnie McGuire Wreschner, MD
NPI 1871789834ActiveIndividual· Emergency Medicine· Greenwich, CT
Emergency Medicine (MD) in Greenwich, Connecticut, trained at New York Medical College (class of 2007). Mostly services rather than prescriptions: Medicare paid $17,306 for 154 patients in 2024, with only 36 Part D claims.
Overview
| NPI | 1871789834 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 24, 2007 |
| Last updated in NPPES | Aug 20, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 48258 | CT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Emergency Medicine (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 154 |
|---|---|
| Services billed | 159 across 8 procedure codes |
| Paid by Medicare | $17,306 |
Part D prescriptions in 2024
| Prescriptions (claims) | 36 · 36 30-day fills |
|---|---|
| Patients | 32 |
| Total drug cost | $411.03 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | New York Medical College |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Emergency Medicine |
Medical group
- Greenwich HospitalGreenwich, CT · 76 clinicians
Hospital affiliation
- Greenwich Hospital Association -Greenwich, CT
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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