Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Christy S. Barnett, MD

Works at hospitals in Hattiesburg, MS · Lexington, MS · Gulfport, MS … · Mississippi

Summary

Dr. Christy S. Barnett, MD is an internal medicine doctor at 1850 Cheryl St, Clarksdale, MS 38614. Phone: (662) 624-8316. Accepts Medicare assignment. In 2024, Christy S. Barnett had 19 Original Medicare patients and 28 services. NPI 1841271293. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Christy S. Barnett, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Christy S. Barnett accept Medicare assignment?
Yes. Medicare's clinician data says Christy S. Barnett accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Christy S. Barnett see?
In 2024, CMS data shows 19 Original Medicare patients and 28 services for Christy S. Barnett. This counts Original Medicare only and measures volume, not quality.
What is Christy S. Barnett's NPI number?
1841271293. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Christy S. Barnett, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients19
Services billed to Medicare28
Different services or procedures10
Participating Medicare providerYes
Average age of these patients47

Hospitals where Christy S. Barnett works

Medicare's Facility Affiliation Data lists Christy S. Barnett at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Christy S. Barnett is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Christy S. Barnett as a member of this group (CMS data updated October 2, 2026).

  • MS State Department of Health20 clinicians in the group

Specialties

Find other Internal Medicine doctors in Mississippi →

Other internal medicine doctors in Mississippi

Clinicians with the same Medicare primary specialty in Mississippi — not a recommendation.

All internal medicine doctors in Mississippi →

Other clinicians in MS State Department of Health

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of South Alabama College Of Medicine
Graduation year1994 (32 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1841271293
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians