Diana L. O'Neil
NPI 1851718639ActiveIndividual· Physician Assistant· Concord, NH
Physician Assistant with Concord Hospital Inc, practicing in Concord, New Hampshire. Their prescriptions cost Medicare Part D more than their services did: $243,538 for 1,295 claims, against $26,744 paid for services in 2024. Impulse Dynamics (USA) Inc. reported $17.71 in payments in 2025, mostly food and beverage. Lists Concord Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1851718639 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 18, 2014 |
| Last updated in NPPES | Oct 7, 2024 |
| Certified by provider | Oct 7, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 1244 | NH |
| Physician Assistant | 363A00000X | PA4932 | MA |
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 - Physician Assistant (NH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 389 |
|---|---|
| Services billed | 785 across 19 procedure codes |
| Paid by Medicare | $26,744 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,295 · 3,192 30-day fills |
|---|---|
| Patients | 257 |
| Total drug cost | $243,538 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Concord Hospital IncConcord, NH · 567 clinicians
Hospital affiliations
- Concord HospitalConcord, NH
- Concord Hospital- LaconiaLaconia, NH
- Mary Hitchcock Memorial HospitalLebanon, NH
Industry payments (Open Payments)
- 2025$17.71 · 1 payment from 1 company
- 2024$141.53 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Impulse Dynamics (USA) Inc. | $17.71 | 1 |
What the 2025 payments were for
- Food and Beverage$17.71 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 101 physician assistants in Concord · All physician assistants in New Hampshire