DR. ERICA DILLON WALKER M.D.
NPI 1801094438
Internal Medicine in Jackson, MS
About Dr. Erica Dillon Walker M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ERICA DILLON WALKER M.D. (NPI 1801094438) is an individual internal medicine provider in Jackson, Mississippi, licensed in Mississippi (22200) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS, is affiliated with University Of Mississippi Med Center, and is a graduate of Meharry Medical College School Of Medicine (2007).
NPPES Registry Identity
Specialties & Licenses
Other Names 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
Dr. Erica Dillon Walker 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 Reassignments
2Medicare enrollment records show Erica Walker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Jackson, MS 39216
- Reassigned Medicare billing, Mississippi enrollment
- 27 clinicians in this Medicare group
Peachtree City, GA 30269
- Reassigned Medicare billing, Mississippi enrollment
- 9 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, MSSt Dominic-Jackson Memorial Hospital
Acute Care Hospitals · Jackson, MSMississippi Baptist Medical Center
Acute Care Hospitals · Jackson, MSMerit Health River Oaks
Acute Care Hospitals · Flowood, MSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 39216 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
JACKSON, MS 39216
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 Erica Walker's NPI number?
The NPI number for Erica Walker is 1801094438. It was assigned to this individual provider in the NPPES registry on July 5, 2007. The provider is also known as Dr. Erica Renee Dillon M.D..
Where is Erica Walker located?
Erica Walker practices at 1500 E Woodrow Wilson Ave Medical Services, Jackson, MS 39216. The listed phone number is (601) 362-4471.
What is Erica Walker's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Erica Walker enrolled in Medicare?
Yes. Erica Walker 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 Erica Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erica Walker reassigns Medicare benefits to 2 organizations: Mississippi Methodist Hospital & Rehabilitation Center, Inc. (Jackson, MS) and Impact Physician Group, LLC (Peachtree City, GA). 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 Erica Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Erica Walker accept?
Health plans from Molina Healthcare list Erica Walker 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 Erica Walker affiliated with any hospitals?
According to CMS data, Erica Walker is affiliated with University Of Mississippi Med Center, St Dominic-Jackson Memorial Hospital, Mississippi Baptist Medical Center and Merit Health River Oaks.
When was this NPI record last updated?
The NPPES record for Erica Walker was last updated on July 28, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Dr. Erica Dillon Walker, M.D. · NPI 1801094438
Internal Medicine physician in Jackson, Mississippi. Individual provider, active in the CMS NPPES registry since July 5, 2007.
## Identity
- **NPI:** 1801094438 (Entity type: Individual)
- **Enumerated:** July 5, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 22200 (Mississippi)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 E WOODROW WILSON AVE, MEDICAL SERVICES, Jackson, MS 39216-5116
- **Phone:** (601) 362-4471 · **Fax:** (601) 364-1327
## 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): Mississippi Methodist Hospital & Rehabilitation Center, Inc. (NPI 1790711273, Jackson, MS); Impact Physician Group, LLC (NPI 1114428612, Peachtree City, GA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Meharry Medical College School Of Medicine, class of 2007
## Record status
- **NPPES last updated:** July 28, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1801094438) · Data from the CMS NPPES public registry.