Justinn Lahaye, MD
NPI 1376003400 · Critical Care Medicine (Internal Medicine) Physician · Great Falls, MT
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justinn Lahaye, MD is a Critical Care Medicine (Internal Medicine) Physician provider in Great Falls, MT (NPI 1376003400).
Provider details
- NPI number
- 1376003400
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 11888618-1205 (UT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
221 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 84 | $202 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 50 | $161 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 39 | $112 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 34 | $112 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 14 | $8 |
Typical Medicare-allowed amounts for these services range $8–$202 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 30 N 1900 E Rm 1c026Salt Lake City, UT 84132-0002Phone: (801) 581-2272
Registry dates
- Enumerated
- 2019-03-24
- Last updated
- 2024-09-19
- Certified
- 2024-09-19
Frequently asked questions
- What is Justinn Lahaye's NPI number?
- Justinn Lahaye's National Provider Identifier (NPI) is 1376003400, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justinn Lahaye's specialty?
- Justinn Lahaye is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Justinn Lahaye located?
- Justinn Lahaye's practice location on file with NPPES is 1101 26th St S, Great Falls, MT 59405-5161.
- What is Justinn Lahaye's phone number?
- The practice phone number listed in the NPPES registry for Justinn Lahaye is (406) 731-8888.
- Does Justinn Lahaye accept Medicare?
- Justinn Lahaye is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justinn Lahaye's NPI active?
- Yes — Justinn Lahaye's NPI (1376003400) is active in the NPPES registry as of the last update on 2024-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.