Nikki J. Greer-Collier, FNP-BC
NPI 1144894791ActiveIndividual· Nurse Practitioner, Family· Greeneville, TN
Nurse Practitioner, Family (FNP-BC) in Greeneville, Tennessee, trained at East Tennessee State University Quillen College of Medicine (class of 2019). Their prescriptions cost Medicare Part D more than their services did: $244,887 for 536 claims, against $107,939 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 42 companies reporting payments in 2025, $3,491 in all, mostly food and beverage.
Overview
| NPI | 1144894791 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-BC |
| Sole proprietor | Yes |
| NPI issued | May 18, 2021 |
| Last updated in NPPES | Apr 6, 2022 |
| Certified by provider | Apr 6, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 29410 | TN |
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 - Nurse Practitioner (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 90 |
|---|---|
| Services billed | 4,499 across 70 procedure codes |
| Paid by Medicare | $107,939 |
Part D prescriptions in 2024
| Prescriptions (claims) | 536 · 685 30-day fills |
|---|---|
| Patients | 107 |
| Total drug cost | $244,887 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | East Tennessee State University Quillen College of Medicine |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Nurse Practitioner |
Medical group
- Tennessee Cancer Specialists PLLCHarrogate, TN · 67 clinicians
Industry payments (Open Payments)
- 2025$3,491 · 129 payments from 42 companies
- 2024$2,796 · 121 payments from 34 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $686.34 | 15 |
| Janssen Biotech, Inc. | $239.04 | 8 |
| Regeneron Healthcare Solutions, Inc. | $194.06 | 6 |
| Astrazeneca Pharmaceuticals LP | $179.57 | 8 |
| Incyte Corporation | $153.02 | 5 |
What the 2025 payments were for
- Food and Beverage$2,714 · 121 payments
- Long term medical supply or device loan$498.50 · 5 payments
- Education$278.00 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other family nurse practitioners in Greeneville
- 1053346429
- 1063117828
- 1073874277
- 1164815817
- 1174153357
- 1194075374
- 1215210943
- 1215233812
- 1225436942
- 1245798107
- 1285167890
- 1306478029
All 88 family nurse practitioners in Greeneville · All family nurse practitioners in Tennessee