MRS. DEBORAH LYNN WALKER AGACNP-BC
NPI 1013688969
Nurse Practitioner - Acute Care in Charleston, SC
About Mrs. Deborah Lynn Walker Agacnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. DEBORAH LYNN WALKER AGACNP-BC (NPI 1013688969) is an individual acute care provider in Charleston, South Carolina, licensed in South Carolina (25263) and active in the NPI registry since September 2021. She is enrolled in Medicare PECOS, is affiliated with Roper Hospital, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
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
Mrs. Deborah Lynn Walker Agacnp-bc 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
5Medicare enrollment records show Deborah Walker reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Charleston, SC 29401
- Reassigned Medicare billing, South Carolina enrollment
- 140 clinicians in this Medicare group
Charleston, SC 29401
- Reassigned Medicare billing, South Carolina enrollment
- 281 clinicians in this Medicare group
Charleston, SC 29414
- Reassigned Medicare billing, South Carolina enrollment
- Medicare enrollment name: Bon Secours St Francis Xavier Hospital Inc
- 375 clinicians in this Medicare group
Mt Pleasant, SC 29466
- Reassigned Medicare billing, South Carolina enrollment
- 114 clinicians in this Medicare group
Summerville, SC 29486
- Reassigned Medicare billing, South Carolina enrollment
- 53 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Roper Hospital
Acute Care Hospitals · Charleston, SCMount Pleasant Hospital
Acute Care Hospitals · Mount Pleasant, SCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 29401 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.
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 Deborah Walker's NPI number?
The NPI number for Deborah Walker is 1013688969. It was assigned to this individual provider in the NPPES registry on September 21, 2021.
Where is Deborah Walker located?
Deborah Walker practices at 316 Calhoun St, Charleston, SC 29401. The listed phone number is (843) 724-2450.
What is Deborah Walker's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Deborah Walker enrolled in Medicare?
Yes. Deborah 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 Deborah Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Deborah Walker reassigns Medicare benefits to 5 organizations: Roper Hospital, Inc. (Charleston, SC), 24 On Physicians Of Sc, LLC (Charleston, SC), Bon Secours St. Francis Xavier Hosptial, Inc. (Charleston, SC), Roper St. Francis Mount Pleasant Hospital (Mt Pleasant, SC) and Roper St Francis Hospital-Berkeley Inc. (Summerville, SC). 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 Deborah Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Deborah Walker affiliated with any hospitals?
According to CMS data, Deborah Walker is affiliated with Roper Hospital and Mount Pleasant Hospital.
When was this NPI record last updated?
The NPPES record for Deborah Walker was last updated on March 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Mrs. Deborah Lynn Walker, AGACNP-BC · NPI 1013688969
Acute Care physician in Charleston, South Carolina. Individual provider, active in the CMS NPPES registry since September 21, 2021.
## Identity
- **NPI:** 1013688969 (Entity type: Individual)
- **Enumerated:** September 21, 2021
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 25263 (South Carolina)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 316 CALHOUN ST, Charleston, SC 29401-1113
- **Phone:** (843) 724-2450
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Roper Hospital, Inc. (NPI 1710915251, Charleston, SC); 24 On Physicians Of Sc, LLC (NPI 1144877655, Charleston, SC); Bon Secours St. Francis Xavier Hosptial, Inc. (NPI 1578929634, Charleston, SC); Roper St. Francis Mount Pleasant Hospital (NPI 1629499298, Mt Pleasant, SC); Roper St Francis Hospital-Berkeley Inc. (NPI 1295534956, Summerville, SC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** March 10, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1013688969) · Data from the CMS NPPES public registry.