Marilyn Geer Rivera, FNP-BC, NP-C
NPI 1275288979ActiveIndividual· Nurse Practitioner· Lowell, MA
Nurse Practitioner (FNP-BC, NP-C) in Lowell, Massachusetts, licensed in MA and VA, with an NPI issued in February 2022. Their prescriptions cost Medicare Part D more than their services did: $192,734 for 1,531 claims, against $340.70 paid for services in 2024.
Overview
| NPI | 1275288979 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-BC, NP-C |
| Sole proprietor | No |
| NPI issued | Feb 21, 2022 |
| Last updated in NPPES | Mar 9, 2023 |
| Certified by provider | Mar 9, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | RN2369820 | MA |
| Nurse Practitioner | 363L00000X | 0024183704 | VA |
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 (DC); Practitioner - Nurse Practitioner (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 19 |
|---|---|
| Services billed | 31 across 6 procedure codes |
| Paid by Medicare | $340.70 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,531 · 2,818 30-day fills |
|---|---|
| Patients | 158 |
| Total drug cost | $192,734 |
| Generic share | 80% of claims |
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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All 35 nurse practitioners in Lowell · All nurse practitioners in Massachusetts