CHRISTY S BARNETT M.D.
NPI 1841271293
Internal Medicine in Hattiesburg, MS
About Christy S Barnett M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTY S BARNETT M.D. (NPI 1841271293) is an individual internal medicine provider in Hattiesburg, Mississippi, licensed in Mississippi (15366) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS, is affiliated with University Of Mississippi Med Center, and is a graduate of University Of South Alabama College Of Medicine (1994).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 3
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
Christy S Barnett M.d. 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 Reassignment
Medicare enrollment records show Christy Barnett reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Jackson, MS 39216
- Reassigned Medicare billing, Mississippi enrollment
- 54 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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Mississippi Med Center
Acute Care Hospitals · Jackson, MSMemorial Hospital At Gulfport
Acute Care Hospitals · Gulfport, MSForrest General Hospital
Acute Care Hospitals · Hattiesburg, MSHolmes County Hospital And Clinics
Critical Access Hospitals · Lexington, MSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 39402 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HATTIESBURG, MS 39402
HATTIESBURG, MS 39402
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 Christy Barnett's NPI number?
The NPI number for Christy Barnett is 1841271293. It was assigned to this individual provider in the NPPES registry on November 10, 2005. The provider is also known as Christy S Thornton M.D..
Where is Christy Barnett located?
Christy Barnett practices at 16 Office Park Dr Suite 5, Hattiesburg, MS 39402. The listed phone number is (601) 271-6099.
What is Christy Barnett's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Christy Barnett enrolled in Medicare?
Yes. Christy Barnett 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 organization bills Medicare for Christy Barnett's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christy Barnett reassigns Medicare benefits to Ms State Department Of Health (Jackson, MS). The 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 Christy Barnett's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christy Barnett accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 1 other insurer list Christy Barnett 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 Christy Barnett affiliated with any hospitals?
According to CMS data, Christy Barnett is affiliated with University Of Mississippi Med Center, Memorial Hospital At Gulfport, Forrest General Hospital and Holmes County Hospital And Clinics.
When was this NPI record last updated?
The NPPES record for Christy Barnett was last updated on December 19, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Christy S Barnett, M.D. · NPI 1841271293
Internal Medicine physician in Hattiesburg, Mississippi. Individual provider, active in the CMS NPPES registry since November 10, 2005.
## Identity
- **NPI:** 1841271293 (Entity type: Individual)
- **Enumerated:** November 10, 2005
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 15366 (Mississippi)
- **Sole proprietor:** No
## Practice location
- **Address:** 16 OFFICE PARK DR, SUITE 5, Hattiesburg, MS 39402-6020
- **Phone:** (601) 271-6099 · **Fax:** (601) 271-9094
## 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:** Ms State Department Of Health (NPI 1053489260, Jackson, MS), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of South Alabama College Of Medicine, class of 1994
## Record status
- **NPPES last updated:** December 19, 2016
- **Other identifiers:** Medicare PIN 110001841 (MS); Medicare PIN 302I113512 (MS); Medicare UPIN G51380 (MS)
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Source: [NPI Profile](https://npiprofile.com/npi/1841271293) · Data from the CMS NPPES public registry.