Justinn E. Lahaye, MD
NPI 1376003400ActiveIndividual· Internal Medicine, Critical Care Medicine· Great Falls, MT
Internal Medicine, Critical Care Medicine (MD) in Great Falls, Montana, trained at University of Washington School of Medicine (class of 2019). Mostly services rather than prescriptions: Medicare paid $26,984 for 143 patients in 2024, with only 19 Part D claims.
Overview
| NPI | 1376003400 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 24, 2019 |
| Last updated in NPPES | Sep 19, 2024 |
| Certified by provider | Sep 19, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Critical Care Medicine Primary | 207RC0200X | 137199 | MT |
| Emergency Medicine | 207P00000X | 11888618-1205 | UT |
| Emergency Medicine | 207P00000X | 137199 | MT |
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 - Critical Care (Intensivists) (MT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 143 |
|---|---|
| Services billed | 242 across 18 procedure codes |
| Paid by Medicare | $26,984 |
Part D prescriptions in 2024
| Prescriptions (claims) | 19 · 19 30-day fills |
|---|---|
| Patients | 14 |
| Total drug cost | $169.68 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Washington School of Medicine |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Critical Care (Intensivists) |
| Secondary specialties | Emergency Medicine |
Medical group
- Benefis Hospitals IncGreat Falls, MT · 384 clinicians
Hospital affiliations
- Benefis Hospitals IncGreat Falls, MT
- Northern Montana HospitalHavre, MT
- St Peters HealthHelena, MT
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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