Pieter Wiersema, MD
NPI 1083890651ActiveIndividual· Pathology, Anatomic Pathology & Clinical Pathology· Indianapolis, IN
Pathology, Anatomic Pathology & Clinical Pathology (MD) in Indianapolis, Indiana, trained at Medical College of Ohio (class of 1977). Medicare paid $13,510 for services to 281 patients in 2024. Daiichi Sankyo Inc. was the largest of 2 companies reporting payments in 2025, $48.24 in all, mostly food and beverage.
Overview
| NPI | 1083890651 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 14, 2008 |
| Last updated in NPPES | Mar 9, 2020 |
| Certified by provider | Mar 9, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology & Clinical Pathology Primary | 207ZP0102X | 01030601A | IN |
| Pathology, Cytopathology | 207ZC0500X | 01030601A | IN |
| Pathology, Dermatopathology | 207ZD0900X | 01030601A | IN |
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 - Pathology (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 281 |
|---|---|
| Services billed | 583 across 18 procedure codes |
| Paid by Medicare | $13,510 |
Education and affiliations
| Medical school | Medical College of Ohio |
|---|---|
| Graduation year | 1977 |
| Medicare specialty | Pathology |
Medical group
- Johnson Memorial HospitalFranklin, IN · 39 clinicians
Hospital affiliation
- Johnson Memorial HospitalFranklin, IN
Industry payments (Open Payments)
- 2025$48.24 · 2 payments from 2 companies
- 2024$38.95 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Daiichi Sankyo Inc. | $26.62 | 1 |
| Astrazeneca Pharmaceuticals LP | $21.62 | 1 |
What the 2025 payments were for
- Food and Beverage$48.24 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 110 pathologists in Indianapolis · All pathologists in Indiana