DR. AUSTIN NORRIS SOUTHERN MD
NPI 1740867340
Pediatrics in Hattiesburg, MS
About Dr. Austin Norris Southern Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AUSTIN NORRIS SOUTHERN MD (NPI 1740867340) is an individual pediatrics provider in Hattiesburg, Mississippi, licensed in Mississippi (33270) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS and maintains a secondary practice location in Jackson.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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 (PECOS)
Dr. Austin Norris Southern Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Austin Southern reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hattiesburg, MS 39401
- Reassigned Medicare billing, Mississippi enrollment
- 696 clinicians in this Medicare group
Jackson, MS 39216
- Reassigned Medicare billing, Mississippi enrollment
- 1,932 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 39401 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 15
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 Austin Southern's NPI number?
The NPI number for Austin Southern is 1740867340. It was assigned to this individual provider in the NPPES registry on March 28, 2021.
Where is Austin Southern located?
Austin Southern practices at 101 Medical Park, Hattiesburg, MS 39401. The listed phone number is (601) 579-3000.
What is Austin Southern's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Austin Southern enrolled in Medicare?
Yes. Austin Southern is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Austin Southern's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Austin Southern reassigns Medicare benefits to 2 organizations: Hattiesburg Clinic PA (Hattiesburg, MS) and State Of Mississippi - University Of Mississippi Medical Center (Jackson, 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 Austin Southern's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Austin Southern accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 3 other insurers list Austin Southern 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 Austin Southern was last updated on August 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. Austin Norris Southern, MD · NPI 1740867340
Pediatrics physician in Hattiesburg, Mississippi. Individual provider, active in the CMS NPPES registry since March 28, 2021.
## Identity
- **NPI:** 1740867340 (Entity type: Individual)
- **Enumerated:** March 28, 2021
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 33270 (Mississippi)
- **Sole proprietor:** No
## Practice location
- **Address:** 101 MEDICAL PARK, Hattiesburg, MS 39401-9042
- **Phone:** (601) 579-3000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Hattiesburg Clinic PA (NPI 1497837801, Hattiesburg, MS); State Of Mississippi - University Of Mississippi Medical Center (NPI 1154317527, Jackson, MS) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 26, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1740867340) · Data from the CMS NPPES public registry.