Robert Stanislaw Niznik, MD
NPI 1922447069ActiveIndividual· Internal Medicine, Nephrology· Bellingham, WA
Internal Medicine, Nephrology (MD) with Snokidney PLLC and 1 other group, practicing in Bellingham, Washington. Their prescriptions cost Medicare Part D more than their services did: $219,053 for 1,070 claims, against $102,129 paid for services in 2024. Travere Therapeutics, Inc. was the largest of 5 companies reporting payments in 2025, $115.10 in all, mostly food and beverage. Lists Peacehealth St Joseph Medical Center as a hospital affiliation.
Overview
| NPI | 1922447069 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 21, 2013 |
| Last updated in NPPES | Sep 11, 2025 |
| Certified by provider | Sep 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | MD60890396 | WA |
| Internal Medicine | 207R00000X | 60296 | MN |
| Student in an Organized Health Care Education/Training Program | 390200000X | TL.0004905 | CO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 261 |
|---|---|
| Services billed | 980 across 25 procedure codes |
| Paid by Medicare | $102,129 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,070 · 2,479 30-day fills |
|---|---|
| Patients | 196 |
| Total drug cost | $219,053 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical groups
- Snokidney PLLCEverett, WA · 11 clinicians
- Mt. Baker Nephrology Associates Inc PsBellingham, WA · 4 clinicians
Hospital affiliation
- Peacehealth St Joseph Medical CenterBellingham, WA
Other facilities
- Davita Ferndale DialysisDialysis facility · Ferndale, WA
- Davita Mount Baker Kidney at HomeDialysis facility · Bellingham, WA
Industry payments (Open Payments)
- 2025$115.10 · 5 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Travere Therapeutics, Inc. | $31.17 | 1 |
| Calliditas Therapeutics US Inc. | $28.57 | 1 |
| Novartis Pharmaceuticals Corporation | $22.54 | 1 |
| Astrazeneca Pharmaceuticals LP | $17.95 | 1 |
| Glaxosmithkline, LLC. | $14.87 | 1 |
What the 2025 payments were for
- Food and Beverage$115.10 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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