Maria Suzanne Barrett, NP
NPI 1982296703ActiveIndividual· Nurse Practitioner, Gerontology· Dickson, TN
Nurse Practitioner, Gerontology (NP) with Nephrology Associates, PC, practicing in Dickson, Tennessee. 380 Medicare patients in 2024, $31,520 paid; nearly all of their 287 Part D prescriptions were generic (96%). Boehringer Ingelheim Pharmaceuticals, Inc. was the largest of 6 companies reporting payments in 2025, $313.30 in all, mostly food and beverage.
Overview
| NPI | 1982296703 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | Yes |
| NPI issued | Feb 4, 2021 |
| Last updated in NPPES | Oct 30, 2025 |
| Certified by provider | Oct 30, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Gerontology Primary | 363LG0600X | 29076 | TN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 380 |
|---|---|
| Services billed | 800 across 11 procedure codes |
| Paid by Medicare | $31,520 |
Part D prescriptions in 2024
| Prescriptions (claims) | 287 · 683 30-day fills |
|---|---|
| Patients | 125 |
| Total drug cost | $7,982 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Nephrology Associates, PCColumbia, TN · 41 clinicians
Industry payments (Open Payments)
- 2025$313.30 · 16 payments from 6 companies
- 2024$339.50 · 12 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $131.61 | 8 |
| Hologic Sales and Service, LLC | $55.32 | 2 |
| Novo Nordisk Inc | $48.82 | 2 |
| Astrazeneca Pharmaceuticals LP | $44.12 | 2 |
| Otsuka America Pharmaceutical, Inc. | $18.74 | 1 |
What the 2025 payments were for
- Food and Beverage$313.30 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records