Thomas A. Pieters, MD
NPI 1518354422ActiveIndividual· Neurological Surgery· Worcester, MA
Neurological Surgery (MD) in Worcester, Massachusetts, trained at University of Texas Medical School at Houston (class of 2015). Mostly services rather than prescriptions: Medicare paid $96,589 for 219 patients in 2024, with only 28 Part D claims. Medtronic, Inc. was the largest of 3 companies reporting payments in 2025, $18,488 in all, mostly speaking and faculty fees.
Overview
| NPI | 1518354422 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 17, 2015 |
| Last updated in NPPES | Jun 30, 2023 |
| Certified by provider | Jun 30, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | 1015256 | MA |
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 (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 219 |
|---|---|
| Services billed | 446 across 52 procedure codes |
| Paid by Medicare | $96,589 |
Part D prescriptions in 2024
| Prescriptions (claims) | 28 · 51 30-day fills |
|---|---|
| Patients | 21 |
| Total drug cost | $648.06 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at Houston |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Neurosurgery |
| Telehealth | Offers telehealth |
Medical group
- Umass Memorial Medical Group IncWorcester, MA · 2,516 clinicians
Hospital affiliations
- Marlborough HospitalMarlborough, MA
- Milford Regional Medical CenterMilford, MA
- Umass Memorial Health - Harrington HospitalSouthbridge, MA
- Umass Memorial Healthalliance HospitalsLeominster, MA
- Umass Memorial Medical Center/University CampusWorcester, MA
Industry payments (Open Payments)
- 2025$18,488 · 34 payments from 3 companies
- 2024$269.70 · 9 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $18,228 | 32 |
| Medical Device Business Services, Inc. | $147.59 | 1 |
| Boston Scientific Corporation | $112.25 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$14,689 · 1 payment
- Travel and Lodging$1,981 · 8 payments
- Food and Beverage$1,817 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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