Tiffani Marie Zichko, NP
NPI 1588123806ActiveIndividual· Nurse Practitioner, Family· Oak Ridge, TN
Nurse Practitioner, Family (NP) with Covenant Medical Group Inc, practicing in Oak Ridge, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $1,357,686 for 8,153 claims, against $43,798 paid for services in 2024. Daxor Corporation reported $21.51 in payments in 2024, mostly food and beverage. Lists Methodist Medical Center of Oak Ridge and 1 other hospital as hospital affiliations.
Overview
| NPI | 1588123806 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Mar 16, 2019 |
| Last updated in NPPES | Sep 18, 2020 |
| Certified by provider | Sep 18, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 24334 | 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 | 539 |
|---|---|
| Services billed | 742 across 24 procedure codes |
| Paid by Medicare | $43,798 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,153 · 18,740 30-day fills |
|---|---|
| Patients | 1,491 |
| Total drug cost | $1,357,686 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Covenant Medical Group IncKnoxville, TN · 365 clinicians
Hospital affiliations
- Methodist Medical Center of Oak RidgeOak Ridge, TN
- Roane Medical CenterHarriman, TN
Industry payments (Open Payments)
- 2024$21.51 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Daxor Corporation | $21.51 | 1 |
What the 2024 payments were for
- Food and Beverage$21.51 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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