Justin Gregory Merzlock, FNP
NPI 1013668847ActiveIndividual· Nurse Practitioner, Family· Chubbuck, ID
Nurse Practitioner, Family (FNP) with Idaho Kidney Institute LLP, practicing in Chubbuck, Idaho. Their prescriptions cost Medicare Part D more than their services did: $262,727 for 2,422 claims, against $27,169 paid for services in 2024. Amgen Inc. was the largest of 12 companies reporting payments in 2025, $533.51 in all, mostly food and beverage. Lists Bear Lake Memorial Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1013668847 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | Yes |
| NPI issued | Jan 13, 2022 |
| Last updated in NPPES | Jan 13, 2022 |
| Certified by provider | Jan 13, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 71322 | ID |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (ID) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 205 |
|---|---|
| Services billed | 429 across 8 procedure codes |
| Paid by Medicare | $27,169 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,422 · 4,981 30-day fills |
|---|---|
| Patients | 388 |
| Total drug cost | $262,727 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Idaho Kidney Institute LLPIdaho Falls, ID · 14 clinicians
Hospital affiliations
- Bear Lake Memorial HospitalMontpelier, ID
- Bingham Memorial HospitalBlackfoot, ID
- Caribou Medical CenterSoda Springs, ID
- Portneuf Medical CenterPocatello, ID
- Power County Hospital DistrictAmerican Falls, ID
Industry payments (Open Payments)
- 2025$533.51 · 31 payments from 12 companies
- 2024$481.44 · 22 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $158.66 | 12 |
| Ani Pharmaceuticals, Inc. | $71.52 | 3 |
| Otsuka America Pharmaceutical, Inc. | $66.52 | 3 |
| Calliditas Therapeutics US Inc. | $44.58 | 2 |
| Glaxosmithkline, LLC. | $41.60 | 2 |
What the 2025 payments were for
- Food and Beverage$533.51 · 31 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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