MARK BARNETT JOHNSON MD
NPI 1740623818
Radiology - Vascular & Interventional Radiology in Las Vegas, NV
About Mark Barnett Johnson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK BARNETT JOHNSON MD (NPI 1740623818) is an individual vascular & interventional radiology provider in Las Vegas, Nevada, licensed in Nevada (18967) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, is affiliated with Logan Health Medical Center, and maintains a secondary practice location in Burlington.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mark Barnett Johnson Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
7Medicare enrollment records show Mark Johnson reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
St. Ignatius, MT 59865
- Reassigned Medicare billing, Montana enrollment
- 77 clinicians in this Medicare group
Polson, MT 59860
- Reassigned Medicare billing, Montana enrollment
- 483 clinicians in this Medicare group
Choteau, MT 59422
- Reassigned Medicare billing, Montana enrollment
- Medicare enrollment name: Logan Health - Conrad
- Also billed through NPI 1467445049 (Montana)
- 64 clinicians in this Medicare group
Kalispell, MT 59901
- Reassigned Medicare billing, Montana enrollment
- 22 clinicians in this Medicare group
Shelby, MT 59474
- Reassigned Medicare billing, Montana enrollment
- Also billed through NPI 1497742415 (Montana)
- 62 clinicians in this Medicare group
Cut Bank, MT 59427
- Reassigned Medicare billing, Montana enrollment
- Also billed through NPI 1831143080 (Montana)
- 59 clinicians in this Medicare group
Chester, MT 59522
- Reassigned Medicare billing, Montana enrollment
- Also billed through NPI 1497754782 (Montana)
- 50 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 40
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Logan Health Medical Center
Acute Care Hospitals · Kalispell, MTLogan Health - Whitefish
Critical Access Hospitals · Whitefish, MTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 89106 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LAS VEGAS, NV 89106
LAS VEGAS, NV 89106
LAS VEGAS, NV 89106
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mark Johnson's NPI number?
The NPI number for Mark Johnson is 1740623818. It was assigned to this individual provider in the NPPES registry on April 9, 2013.
Where is Mark Johnson located?
Mark Johnson practices at 2020 Palomino Ln Ste 100, Las Vegas, NV 89106. The listed phone number is (702) 759-8600.
What is Mark Johnson's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.
Is Mark Johnson enrolled in Medicare?
Yes. Mark Johnson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Mark Johnson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Johnson reassigns Medicare benefits to 7 organizations: St. Lukes Community Hospital (St. Ignatius, MT), Kalispell Regional Medical Center Inc (Polson, MT), Pondera Medical Center (Choteau, MT), Northwest Imaging, PC (Kalispell, MT), Logan Health - Shelby (Shelby, MT) and 2 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Johnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Johnson accept?
Health plans from Blue Cross and Blue Shield of Montana and Mountain Health CO-OP list Mark Johnson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Mark Johnson affiliated with any hospitals?
According to CMS data, Mark Johnson is affiliated with Logan Health Medical Center and Logan Health - Whitefish.
When was this NPI record last updated?
The NPPES record for Mark Johnson was last updated on September 25, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.