ILLISIA MARIE JOHNSTON NP-C
NPI 1003486556
Nurse Practitioner - Family in Laurel, MS
About Illisia Marie Johnston Np-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ILLISIA MARIE JOHNSTON NP-C (NPI 1003486556) is an individual family provider in Laurel, Mississippi, licensed in Mississippi (F06212134) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
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
Illisia Marie Johnston Np-c 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
2Medicare enrollment records show Illisia Johnston reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Laurel, MS 39440
- Reassigned Medicare billing, Mississippi enrollment
- 205 clinicians in this Medicare group
Laurel, MS 39440
- Reassigned Medicare billing, Mississippi enrollment
- 13 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 39440 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 10
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 Illisia Johnston's NPI number?
The NPI number for Illisia Johnston is 1003486556. It was assigned to this individual provider in the NPPES registry on June 28, 2021.
Where is Illisia Johnston located?
Illisia Johnston practices at 1008 N 15th Ave, Laurel, MS 39440. The listed phone number is (601) 426-5125.
What is Illisia Johnston's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Illisia Johnston enrolled in Medicare?
Yes. Illisia Johnston 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 Illisia Johnston's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Illisia Johnston reassigns Medicare benefits to 2 organizations: South Central Clinics, Inc (Laurel, MS) and Jefferson Neurology Clinic, LLC (Laurel, MS). 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 Illisia Johnston's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Illisia Johnston accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 4 other insurers list Illisia Johnston 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.
When was this NPI record last updated?
The NPPES record for Illisia Johnston was last updated on October 3, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Illisia Marie Johnston, NP-C · NPI 1003486556
Family physician in Laurel, Mississippi. Individual provider, active in the CMS NPPES registry since June 28, 2021.
## Identity
- **NPI:** 1003486556 (Entity type: Individual)
- **Enumerated:** June 28, 2021
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** F06212134 (Mississippi)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1008 N 15TH AVE, Laurel, MS 39440-2656
- **Phone:** (601) 426-5125
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): South Central Clinics, Inc (NPI 1861037749, Laurel, MS); Jefferson Neurology Clinic, LLC (NPI 1518486943, Laurel, MS) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** October 3, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1003486556) · Data from the CMS NPPES public registry.