Dennis W. O'Connor, M.D.
NPI 1912935743ActiveIndividual· Family Medicine· Bath, NY
Family Medicine (M.D.) in Bath, New York, trained at Georgetown University School of Medicine (class of 1979). Their prescriptions cost Medicare Part D more than their services did: $985,163 for 6,772 claims, against $45,984 paid for services in 2024. Novo Nordisk Inc was the largest of 13 companies reporting payments in 2025, $585.43 in all, mostly food and beverage.
Overview
| NPI | 1912935743 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 29, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 149768 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 182 |
|---|---|
| Services billed | 762 across 32 procedure codes |
| Paid by Medicare | $45,984 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,772 · 16,461 30-day fills |
|---|---|
| Patients | 561 |
| Total drug cost | $985,163 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Georgetown University School of Medicine |
|---|---|
| Graduation year | 1979 |
| Medicare specialty | Family Practice |
Medical group
- Keuka Family Practice Associates LLPBath, NY · 5 clinicians
Hospital affiliations
- Arnot Ogden Medical CenterElmira, NY
- Corning HospitalCorning, NY
- Ira Davenport Memorial HospitalBath, NY
- St James HospitalHornell, NY
Other facilities
- Centerwell Home HealthHome health agency · Corning, NY
- Vna of Western Ny ChhaHome health agency · Cheektowaga, NY
- Carefirst / Southern Tier Hospice and PalliativeHospice · Painted Post, NY
Industry payments (Open Payments)
- 2025$585.43 · 30 payments from 13 companies
- 2024$449.29 · 23 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $104.20 | 5 |
| Abbvie Inc. | $85.45 | 4 |
| Astrazeneca Pharmaceuticals LP | $69.63 | 4 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $58.12 | 3 |
| Supernus Pharmaceuticals, Inc. | $44.98 | 2 |
What the 2025 payments were for
- Food and Beverage$585.43 · 30 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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