Hilarie Claire Tomasiewicz, M.D./PH.D.
NPI 1841557444ActiveIndividual· Neurological Surgery· Marietta, GA
Neurological Surgery (M.D./PH.D.) with Wellstar Medical Group LLC, practicing in Marietta, Georgia. 68 Medicare patients in 2024, $34,874 paid; all of their 50 Part D prescriptions were generic. Medtronic, Inc. was the largest of 3 companies reporting payments in 2025, $1,950 in all, mostly travel and lodging. Lists Wellstar Cobb Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1841557444 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D./PH.D. |
| Sole proprietor | No |
| NPI issued | Apr 19, 2012 |
| Last updated in NPPES | Jul 11, 2023 |
| Certified by provider | Jul 11, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | 82673 | GA |
| Neurological Surgery | 207T00000X | 306979 | 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 - Neurosurgery (GA); Practitioner - Neurosurgery (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 68 |
|---|---|
| Services billed | 160 across 29 procedure codes |
| Paid by Medicare | $34,874 |
Part D prescriptions in 2024
| Prescriptions (claims) | 50 · 52 30-day fills |
|---|---|
| Patients | 21 |
| Total drug cost | $260.45 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Neurosurgery |
Medical group
- Wellstar Medical Group LLCMarietta, GA · 3,093 clinicians
Hospital affiliations
- Wellstar Cobb Medical CenterAustell, GA
- Wellstar Douglas Medical CenterDouglasville, GA
- Wellstar Kennestone Regional Medical CenterMarietta, GA
- Wellstar North Fulton Medical CenterRoswell, GA
- Wellstar Paulding Medical CenterHiram, GA
Industry payments (Open Payments)
- 2025$1,950 · 15 payments from 3 companies
- 2024$551.36 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $1,837 | 13 |
| Clearpoint Neuro, Inc. | $93.00 | 1 |
| Solventum Corporation | $20.10 | 1 |
What the 2025 payments were for
- Travel and Lodging$1,478 · 6 payments
- Food and Beverage$472.60 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Neurological Surgery providers in Marietta
- 1407605116
- 1760775738
- 1760798458
- 1285778613
- 1467477463
- 1447202163
- 1942521968
- 1871579235
- 1679736938
- 1679648927
- 1487064341
- 1457671976