William M. O'Connor, MD
NPI 1730132507ActiveIndividual· Psychiatry & Neurology, Neurology· Media, PA
Psychiatry & Neurology, Neurology (MD) in Media, Pennsylvania, trained at Jefferson Medical College of Thomas Jefferson University (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $523,850 for 1,846 claims, against $175,815 paid for services in 2024. Pfizer Inc. was the largest of 13 companies reporting payments in 2025, $1,086 in all, mostly food and beverage.
Overview
| NPI | 1730132507 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 19, 2006 |
| Last updated in NPPES | Jan 22, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | MD424719 | PA |
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 - Neurology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 655 |
|---|---|
| Services billed | 2,367 across 25 procedure codes |
| Paid by Medicare | $175,815 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,846 · 3,141 30-day fills |
|---|---|
| Patients | 350 |
| Total drug cost | $523,850 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Jefferson Medical College of Thomas Jefferson University |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Neurology |
Medical group
- David A Thomas, Ltd.Glen Mills, PA · 5 clinicians
Hospital affiliations
- Main Line Hospital LankenauWynnewood, PA
- Riddle Memorial HospitalMedia, PA
Other facilities
- Bryn Mawr Rehabilitation HospitalInpatient rehabilitation facility · Malvern, PA
Industry payments (Open Payments)
- 2025$1,086 · 70 payments from 13 companies
- 2024$604.84 · 39 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $303.35 | 28 |
| Abbvie Inc. | $258.92 | 19 |
| Sk Life Science, Inc. | $148.59 | 8 |
| Teva Pharmaceuticals USA, Inc. | $88.75 | 2 |
| Biogen, Inc. | $54.90 | 3 |
What the 2025 payments were for
- Food and Beverage$1,013 · 69 payments
- Education$72.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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- 1972102994