Shaun Thomas O'Leary, MD, PHD
NPI 1841256377ActiveIndividual· Neurological Surgery· Pleasant Prairie, WI
Neurological Surgery (MD, PHD) in Pleasant Prairie, Wisconsin, trained at Georgetown University School of Medicine (class of 1996). 120 Medicare patients in 2024, $52,792 paid; all of their 125 Part D prescriptions were generic. Mml US, Inc. was the largest of 5 companies reporting payments in 2025, $504.90 in all, mostly food and beverage.
Overview
| NPI | 1841256377 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | Apr 24, 2006 |
| Last updated in NPPES | Jul 1, 2024 |
| Certified by provider | Jul 1, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | 1242 | WI |
| Neurological Surgery | 207T00000X | 036109803 | IL |
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 - Neurosurgery (IL); Practitioner - Neurosurgery (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 120 |
|---|---|
| Services billed | 885 across 31 procedure codes |
| Paid by Medicare | $52,792 |
Part D prescriptions in 2024
| Prescriptions (claims) | 125 · 125 30-day fills |
|---|---|
| Patients | 57 |
| Total drug cost | $626.75 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Georgetown University School of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Neurosurgery |
Medical group
- Aurora Medical Group, Inc.Milwaukee, WI · 3,813 clinicians
Hospital affiliation
- Aurora Medical Center KenoshaKenosha, WI
Industry payments (Open Payments)
- 2025$504.90 · 5 payments from 5 companies
- 2024$404.36 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mml US, Inc. | $186.80 | 1 |
| Sanara Medtech Inc. | $152.70 | 1 |
| Spine Wave, Inc. | $97.92 | 1 |
| Stryker Corporation | $40.08 | 1 |
| Siemens Medical Solutions USA, Inc. | $27.40 | 1 |
What the 2025 payments were for
- Food and Beverage$504.90 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Neurological Surgery providers in Pleasant Prairie
- 1346506409
- 1376535492