DR. JARON RICHARD NIELSON DO
NPI 1992332035
Emergency Medicine in Joplin, MO
About Dr. Jaron Richard Nielson Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JARON RICHARD NIELSON DO (NPI 1992332035) is an individual emergency medicine provider in Joplin, Missouri, licensed in Missouri (2023021225) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Joplin, and maintains a secondary practice location in Midway.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Dr. Jaron Richard Nielson 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
3Medicare enrollment records show Jaron Nielson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Joplin, MO 64804
- Reassigned Medicare billing, Missouri enrollment
- 562 clinicians in this Medicare group
Carthage, MO 64836
- Reassigned Medicare billing, Missouri enrollment
- 133 clinicians in this Medicare group
Tulsa, OK 74104
- Reassigned Medicare billing, Missouri enrollment
- 55 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital Joplin
Acute Care Hospitals · Joplin, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 64804 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.
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 Jaron Nielson's NPI number?
The NPI number for Jaron Nielson is 1992332035. It was assigned to this individual provider in the NPPES registry on March 26, 2020.
Where is Jaron Nielson located?
Jaron Nielson practices at 100 Mercy Way, Joplin, MO 64804. The listed phone number is (417) 556-2300.
What is Jaron Nielson's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Jaron Nielson enrolled in Medicare?
Yes. Jaron Nielson 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 Jaron Nielson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jaron Nielson reassigns Medicare benefits to 3 organizations: Mercy Clinic Joplin LLC (Joplin, MO), Mercy Hospital Carthage (Carthage, MO) and Green Country Emergency Physicians Group Of Tulsa PLLC (Tulsa, OK). 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 Jaron Nielson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jaron Nielson affiliated with any hospitals?
According to CMS data, Jaron Nielson is affiliated with Mercy Hospital Joplin.
When was this NPI record last updated?
The NPPES record for Jaron Nielson was last updated on September 25, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.