Mary Ellen Coronado
NPI 1245290725ActiveIndividual· Nurse Practitioner· Sudbury, MA
Nurse Practitioner with Emerson Practice Associates, Inc, practicing in Sudbury, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $37,064 for 837 claims, against $6,803 paid for services in 2024. Exact Sciences Corporation was the largest of 7 companies reporting payments in 2025, $219.00 in all, mostly food and beverage. Lists Emerson Hospital - as a hospital affiliation.
Overview
| NPI | 1245290725 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 27, 2006 |
| Last updated in NPPES | Oct 10, 2024 |
| Certified by provider | Oct 9, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 156838 | MA |
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 - Nurse Practitioner (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 59 |
|---|---|
| Services billed | 98 across 19 procedure codes |
| Paid by Medicare | $6,803 |
Part D prescriptions in 2024
| Prescriptions (claims) | 837 · 1,563 30-day fills |
|---|---|
| Patients | 270 |
| Total drug cost | $37,064 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 1988 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Emerson Practice Associates, IncConcord, MA · 240 clinicians
Hospital affiliation
- Emerson Hospital -W Concord, MA
Industry payments (Open Payments)
- 2025$219.00 · 9 payments from 7 companies
- 2024$147.15 · 6 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $53.15 | 2 |
| Abbvie Inc. | $43.86 | 2 |
| Sanofi Pasteur Inc. | $37.49 | 1 |
| Sumitomo Pharma America, Inc. | $27.49 | 1 |
| Merck Sharp & Dohme LLC | $21.74 | 1 |
What the 2025 payments were for
- Food and Beverage$219.00 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nurse practitioners in Sudbury
- 1689183014
- 1164655502