Mary Elizabeth Waterloo
NPI 1720634827ActiveIndividual· Nurse Practitioner· Homewood, IL
Nurse Practitioner in Homewood, Illinois, licensed in IL, with an NPI issued in August 2019. In 2024 Medicare paid $32,829 for 312 patients, and Part D covered 369 of their prescriptions, 84% of them generic. Boston Scientific Corporation reported $42.69 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1720634827 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Aug 14, 2019 |
| Last updated in NPPES | Nov 11, 2021 |
| Certified by provider | Nov 11, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 209019819 | IL |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 312 |
|---|---|
| Services billed | 720 across 7 procedure codes |
| Paid by Medicare | $32,829 |
Part D prescriptions in 2024
| Prescriptions (claims) | 369 · 371 30-day fills |
|---|---|
| Patients | 112 |
| Total drug cost | $43,047 |
| Generic share | 84% of claims |
Industry payments (Open Payments)
- 2025$42.69 · 1 payment from 1 company
- 2024$221.39 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $42.69 | 1 |
What the 2025 payments were for
- Food and Beverage$42.69 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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