Christopher Zachary Witkowski, APRN PMHNP-BC
NPI 1801448584ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Johnson City, TN
Nurse Practitioner, Psych/Mental Health (APRN PMHNP-BC) with Nv Pacs 2 LLC and 2 other groups, practicing in Johnson City, Tennessee. 620 Medicare patients in 2024, $138,405 paid; nearly all of their 5,962 Part D prescriptions were generic (96%). Neurocrine Biosciences, Inc. reported $151.00 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1801448584 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN PMHNP-BC |
| Sole proprietor | No |
| NPI issued | Jul 12, 2019 |
| Last updated in NPPES | Jul 12, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | 25911 | 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 | 620 |
|---|---|
| Services billed | 1,994 across 5 procedure codes |
| Paid by Medicare | $138,405 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,962 · 5,965 30-day fills |
|---|---|
| Patients | 279 |
| Total drug cost | $163,605 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Nv Pacs 2 LLCClinton, NY · 122 clinicians
- Bh Services Southeast 1 PCBrownsville, TN · 97 clinicians
- Ipc Pac Healthcare Services of Tennessee PCJohnson City, TN · 70 clinicians
Industry payments (Open Payments)
- 2025$151.00 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Neurocrine Biosciences, Inc. | $151.00 | 2 |
What the 2025 payments were for
- Food and Beverage$151.00 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 62 psychiatric nurse practitioners in Johnson City · All psychiatric nurse practitioners in Tennessee