Michelle Terwilliger, NP
NPI 1912360546ActiveIndividual· Nurse Practitioner, Family· Dyer, IN
Nurse Practitioner, Family (NP) with Bon Secours Medical Group Greenville Specialty Care LLC, practicing in Dyer, Indiana. Their prescriptions cost Medicare Part D more than their services did: $1,529,778 for 4,041 claims, against $37,587 paid for services in 2024. Lilly USA, LLC was the largest of 21 companies reporting payments in 2025, $1,063 in all, mostly food and beverage. Lists St Francis-Downtown as a hospital affiliation.
Overview
| NPI | 1912360546 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Mar 31, 2016 |
| Last updated in NPPES | Apr 17, 2025 |
| Certified by provider | Apr 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 28141768A | IN |
| Nurse Practitioner, Family | 363LF0000X | 29522 | SC |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 192 |
|---|---|
| Services billed | 1,637 across 13 procedure codes |
| Paid by Medicare | $37,587 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,041 · 6,522 30-day fills |
|---|---|
| Patients | 587 |
| Total drug cost | $1,529,778 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Bon Secours Medical Group Greenville Specialty Care LLCGreenville, SC · 292 clinicians
Hospital affiliation
- St Francis-DowntownGreenville, SC
Other facilities
- St Francis Hospital Home CareHome health agency · Simpsonville, SC
Industry payments (Open Payments)
- 2025$1,063 · 48 payments from 21 companies
- 2024$3,611 · 202 payments from 38 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $171.98 | 5 |
| Abbvie Inc. | $145.48 | 11 |
| Alexion Pharmaceuticals, Inc. | $85.27 | 3 |
| Catalyst Pharmaceuticals, Inc. | $83.89 | 3 |
| Sk Life Science, Inc. | $65.69 | 3 |
What the 2025 payments were for
- Food and Beverage$1,063 · 48 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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