Tiffany Lynn Walck, APN-C
NPI 1952043200ActiveIndividual· Psychiatry & Neurology, Neurology· Annandale, NJ
Psychiatry & Neurology, Neurology (APN-C) with Hunterdon Primary Care PC and 1 other group, practicing in Annandale, New Jersey. Their prescriptions cost Medicare Part D more than their services did: $192,407 for 1,769 claims, against $23,661 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 5 companies reporting payments in 2025, $457.53 in all, mostly food and beverage. Lists Hunterdon Medical Center as a hospital affiliation.
Overview
| NPI | 1952043200 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APN-C |
| Sole proprietor | No |
| NPI issued | Apr 8, 2022 |
| Last updated in NPPES | Jul 14, 2026 |
| Certified by provider | Jul 14, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 26NJ01291100 | NJ |
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 (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 206 |
|---|---|
| Services billed | 454 across 37 procedure codes |
| Paid by Medicare | $23,661 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,769 · 3,764 30-day fills |
|---|---|
| Patients | 314 |
| Total drug cost | $192,407 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Hunterdon Primary Care PCCalifon, NJ · 63 clinicians
- Hunterdon Neurology, PAAnnandale, NJ · 3 clinicians
Hospital affiliation
- Hunterdon Medical CenterFlemington, NJ
Industry payments (Open Payments)
- 2025$457.53 · 8 payments from 5 companies
- 2024$146.33 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $237.95 | 2 |
| Novo Nordisk Inc | $161.48 | 3 |
| Exact Sciences Corporation | $25.84 | 1 |
| Lilly USA, LLC | $17.32 | 1 |
| Pfizer Inc. | $14.94 | 1 |
What the 2025 payments were for
- Food and Beverage$457.53 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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