AARON A JOHNSON DO
NPI 1861885444
Emergency Medicine in Nellis Afb, NV
About Aaron A Johnson Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AARON A JOHNSON DO (NPI 1861885444) is an individual emergency medicine provider in Nellis Afb, Nevada, licensed in Nevada (DO2955) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS, is affiliated with Mountainview Hospital, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
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
Aaron A Johnson Do 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
4Medicare enrollment records show Aaron Johnson reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
North Las Vegas, NV 89084
- Reassigned Medicare billing, Nevada enrollment
- 161 clinicians in this Medicare group
North Las Vegas, NV 89128
- Reassigned Medicare billing, Nevada enrollment
- 304 clinicians in this Medicare group
Henderson, NV 89011
- Reassigned Medicare billing, Nevada enrollment
- 62 clinicians in this Medicare group
Boulder City, NV 89005
- Reassigned Medicare billing, Nevada enrollment
- 30 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 3
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mountainview Hospital
Acute Care Hospitals · Las Vegas, NVHenderson Hospital
Acute Care Hospitals · Henderson, NVBoulder City Hospital
Critical Access Hospitals · Boulder City, NVPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 89191 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.
NELLIS AFB, NV 89191
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 Aaron Johnson's NPI number?
The NPI number for Aaron Johnson is 1861885444. It was assigned to this individual provider in the NPPES registry on March 6, 2015.
Where is Aaron Johnson located?
Aaron Johnson practices at 4700 Las Vegas Blvd N, Nellis Afb, NV 89191. The listed phone number is (702) 653-2344.
What is Aaron Johnson's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Aaron Johnson enrolled in Medicare?
Yes. Aaron 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 Aaron Johnson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Johnson reassigns Medicare benefits to 4 organizations: Shadow Emergency Physicians PLLC (North Las Vegas, NV), Fremont Emergency Services Scherr Ltd (North Las Vegas, NV), Irv Edwards MD PC (Henderson, NV) and Hoover Emergency Physicians LLC (Boulder City, NV). 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 Aaron Johnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Aaron Johnson affiliated with any hospitals?
According to CMS data, Aaron Johnson is affiliated with Mountainview Hospital, Henderson Hospital and Boulder City Hospital.
When was this NPI record last updated?
The NPPES record for Aaron Johnson was last updated on December 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months 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.