Michelle Susan McMahon-Downer, MD
NPI 1720113632ActiveIndividual· Emergency Medicine· Framingham, MA
Emergency Medicine (MD) with Coastal Medical Associates and 1 other group, practicing in Framingham, Massachusetts. 529 Medicare patients in 2024, $79,954 paid; nearly all of their 139 Part D prescriptions were generic (93%). Hologic Sales and Service, LLC reported $24.07 in payments in 2024, mostly food and beverage. Lists Emerson Hospital - and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1720113632 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 22, 2007 |
| Last updated in NPPES | Aug 6, 2026 |
| Certified by provider | Aug 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 231988 | MA |
| Emergency Medicine | 207P00000X | 12264 | RI |
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 (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 529 |
|---|---|
| Services billed | 807 across 32 procedure codes |
| Paid by Medicare | $79,954 |
Part D prescriptions in 2024
| Prescriptions (claims) | 139 · 139 30-day fills |
|---|---|
| Patients | 102 |
| Total drug cost | $4,092 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical groups
- Coastal Medical AssociatesWeymouth, MA · 443 clinicians
- Emergency Physician Associates of Massachusetts PCFramingham, MA · 46 clinicians
Hospital affiliations
- Emerson Hospital -W Concord, MA
- Metrowest Medical CenterFramingham, MA
- South Shore HospitalSouth Weymouth, MA
Industry payments (Open Payments)
- 2024$24.07 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Hologic Sales and Service, LLC | $24.07 | 1 |
What the 2024 payments were for
- Food and Beverage$24.07 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 22 emergency medicine physicians in Framingham · All emergency medicine physicians in Massachusetts