Mark Barnett Johnson, MD
NPI 1740623818ActiveIndividual· Radiology, Vascular & Interventional Radiology· Las Vegas, NV
Radiology, Vascular & Interventional Radiology (MD) in Las Vegas, Nevada, trained at University of Utah School of Medicine (class of 2013). Mostly services rather than prescriptions: Medicare paid $84,868 for 1,168 patients in 2024, with only 25 Part D claims. Stryker Corporation reported $24.81 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1740623818 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 9, 2013 |
| Last updated in NPPES | Sep 25, 2020 |
| Certified by provider | Sep 25, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Vascular & Interventional Radiology Primary | 2085R0204X | 18967 | NV |
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 - Diagnostic Radiology (MT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,168 |
|---|---|
| Services billed | 1,932 across 191 procedure codes |
| Paid by Medicare | $84,868 |
Part D prescriptions in 2024
| Prescriptions (claims) | 25 · 29 30-day fills |
|---|---|
| Patients | 13 |
| Total drug cost | $141.92 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Utah School of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Diagnostic Radiology |
Medical groups
- Kalispell Regional Medical Center IncKalispell, MT · 421 clinicians
- Northwest Imaging, PCShelby, MT · 17 clinicians
Hospital affiliations
- Logan Health - WhitefishWhitefish, MT
- Logan Health Medical CenterKalispell, MT
Industry payments (Open Payments)
- 2025$24.81 · 1 payment from 1 company
- 2024$945.80 · 10 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $24.81 | 1 |
What the 2025 payments were for
- Food and Beverage$24.81 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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