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Internal Medicine

Erica D. Walker, MD

Works at hospitals in Flowood, MS · Jackson, MS · Mississippi

Summary

Erica D. Walker, MD (Internal Medicine) is listed by Medicare at 4 hospitals in Flowood, MS and Jackson, MS. NPI 1801094438. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Erica D. Walker, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
19Years since medical school (graduated 2007)
Meharry Medical College School Of MedicineMedical school
FemaleGender (as listed)
Impact Physician Group LLCGroup practice

Quick answers

Which hospitals does Erica D. Walker work at?
Medicare's official clinician data lists Erica D. Walker at 4 hospitals: Merit Health River Oaks, Mississippi Baptist Medical Center, St Dominic-Jackson Memorial Hospital and University of Mississippi Med Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Erica D. Walker see patients?
Medicare's clinician data lists 1 practice location in Madison, MS. Call before your visit to confirm the address.
What is Erica D. Walker's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Infectious Disease.
Does Erica D. Walker accept Medicare assignment?
Yes. Medicare's clinician data says Erica D. Walker accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Erica D. Walker?
(769) 289-6100, as listed in official Medicare / NPI Registry data.
What is Erica D. Walker's NPI number?
1801094438. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Erica D. Walker works

Medicare's Facility Affiliation Data lists Erica D. Walker at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Erica D. Walker is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Erica D. Walker as a member of this group (CMS data updated 2026-10-02).

  • Impact Physician Group LLC20 clinicians in the group

Specialties

Find other Internal Medicine doctors in Mississippi →

Other internal medicine doctors in Madison

Clinicians with the same Medicare primary specialty in Madison, MS — not a recommendation.

All internal medicine doctors in Madison →

Clinician information

CredentialMD
Medical schoolMeharry Medical College School Of Medicine
Graduation year2007
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1801094438
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians