Rachel Lynn Siffring, DNP, FNP-BC
NPI 1912550658ActiveIndividual· Nurse Practitioner, Family· Clinton, TN
Nurse Practitioner, Family (DNP, FNP-BC) with Covenant Medical Group Inc, practicing in Clinton, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $475,811 for 3,350 claims, against $10,600 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 15 companies reporting payments in 2025, $495.09 in all, mostly food and beverage.
Overview
| NPI | 1912550658 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DNP, FNP-BC |
| Sole proprietor | No |
| NPI issued | Jul 22, 2019 |
| Last updated in NPPES | Nov 20, 2025 |
| Certified by provider | Nov 20, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | APN0000025599 | 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 (NY); Practitioner - Nurse Practitioner (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 45 |
|---|---|
| Services billed | 233 across 29 procedure codes |
| Paid by Medicare | $10,600 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,350 · 5,548 30-day fills |
|---|---|
| Patients | 180 |
| Total drug cost | $475,811 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Covenant Medical Group IncKnoxville, TN · 365 clinicians
Industry payments (Open Payments)
- 2025$495.09 · 23 payments from 15 companies
- 2024$991.32 · 52 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $71.79 | 3 |
| Abbott Laboratories | $63.04 | 3 |
| Abbvie Inc. | $61.12 | 3 |
| Indivior Inc. | $43.55 | 2 |
| Astrazeneca Pharmaceuticals LP | $34.51 | 2 |
What the 2025 payments were for
- Food and Beverage$495.09 · 23 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 35 family nurse practitioners in Clinton · All family nurse practitioners in Tennessee