Donna M. Trees-Barker, ANP
NPI 1710131412ActiveIndividual· Nurse Practitioner, Adult Health· Hampton Bays, NY
Nurse Practitioner, Adult Health (ANP) in Hampton Bays, New York, trained at State University of New York at Stony Brook, School of Medicine (class of 1994). In 2024 Medicare paid $46,370 for 269 patients, and Part D covered 789 of their prescriptions, 88% of them generic. Axsome Therapeutics, Inc. was the largest of 13 companies reporting payments in 2025, $973.35 in all, mostly food and beverage.
Overview
| NPI | 1710131412 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ANP |
| Sole proprietor | Yes |
| NPI issued | Nov 7, 2008 |
| Last updated in NPPES | Oct 30, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Adult Health Primary | 363LA2200X | F301231 | NY |
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 (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 269 |
|---|---|
| Services billed | 955 across 39 procedure codes |
| Paid by Medicare | $46,370 |
Part D prescriptions in 2024
| Prescriptions (claims) | 789 · 1,330 30-day fills |
|---|---|
| Patients | 274 |
| Total drug cost | $61,821 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | State University of New York at Stony Brook, School of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Nurse Practitioner |
Medical group
- Chs Physician Partners PCRoslyn, NY · 743 clinicians
Hospital affiliations
- Good Samaritan Hospital Medical CenterWest Islip, NY
- Suny/Stony Brook University HospitalStony Brook, NY
Industry payments (Open Payments)
- 2025$973.35 · 37 payments from 13 companies
- 2024$1,160 · 37 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Axsome Therapeutics, Inc. | $186.63 | 7 |
| Abbvie Inc. | $147.07 | 6 |
| Regeneron Healthcare Solutions, Inc. | $143.36 | 2 |
| Alkermes, Inc. | $87.85 | 4 |
| Pfizer Inc. | $78.63 | 3 |
What the 2025 payments were for
- Food and Beverage$973.35 · 37 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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