Mary N. Sanders, DNP, APRN-C
NPI 1912664541ActiveIndividual· Nurse Practitioner, Gerontology· Wallingford, CT
Nurse Practitioner, Gerontology (DNP, APRN-C) with Robinson PA LLC, practicing in Wallingford, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $473,716 for 5,073 claims, against $48,422 paid for services in 2024. Valinor Pharma, LLC was the largest of 2 companies reporting payments in 2025, $88.86 in all, mostly food and beverage.
Overview
| NPI | 1912664541 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DNP, APRN-C |
| Sole proprietor | No |
| NPI issued | Nov 18, 2021 |
| Last updated in NPPES | Jan 13, 2026 |
| Certified by provider | Jan 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Gerontology Primary | 363LG0600X | 10258 | CT |
| Nurse Practitioner, Family | 363LF0000X | 10258 | 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 - Nurse Practitioner (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 166 |
|---|---|
| Services billed | 604 across 3 procedure codes |
| Paid by Medicare | $48,422 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,073 · 5,135 30-day fills |
|---|---|
| Patients | 599 |
| Total drug cost | $473,716 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Robinson PA LLCWallingford, CT · 3 clinicians
Industry payments (Open Payments)
- 2025$88.86 · 5 payments from 2 companies
- 2024$15.11 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Valinor Pharma, LLC | $67.69 | 4 |
| Collegium Pharmaceutical, Inc. | $21.17 | 1 |
What the 2025 payments were for
- Food and Beverage$88.86 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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