Alison Theresa O'Brien, MD
NPI 1427042571ActiveIndividual· Family Medicine· Delhi, NY
Family Medicine (MD) in Delhi, New York, trained at Perelman School of Med at the University of Pennsylvania (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $358,219 for 2,831 claims, against $28,058 paid for services in 2024.
Overview
| NPI | 1427042571 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 6, 2005 |
| Last updated in NPPES | May 22, 2020 |
| Certified by provider | May 22, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 293347 | 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 - Family Practice (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 150 |
|---|---|
| Services billed | 552 across 19 procedure codes |
| Paid by Medicare | $28,058 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,831 · 6,370 30-day fills |
|---|---|
| Patients | 266 |
| Total drug cost | $358,219 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Perelman School of Med at the University of Pennsylvania |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Mary Imogene Bassett HospitalSidney, NY · 763 clinicians
Hospital affiliations
- Aurelia Osborn Fox Memorial HospitalOneonta, NY
- Bassett HealthcareCooperstown, NY
- O'Connor HospitalDelhi, NY
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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