Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CELINE WALKER AGACNP-BC
NPI 1184002867
Nurse Practitioner - Acute Care in Springfield, IL

Active since May 13, 2015PECOS EnrolledAccepts Medicare Assignment
747 N RUTLEDGE ST, 5TH FLOOR, SPRINGFIELD, IL 62702(217) 545-8000(217) 545-7795 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 29, 2026, Nov 21, 2025, Dec 7, 2020 (3 updates tracked since 2020).

About Celine Walker Agacnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CELINE WALKER AGACNP-BC (NPI 1184002867) is an individual acute care provider in Springfield, Illinois, licensed in Illinois (209-012703) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS, is affiliated with Taylorville Memorial Hospital, and maintains a secondary practice location in Decatur.

NPPES Registry Identity

NPI1184002867
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameCELINE WALKERCredential: AGACNP-BC
Location Address747 N RUTLEDGE ST, 5TH FLOORSpringfield, IL 62702-6700
Mailing AddressPo Box 19663Springfield, IL 62794-9663 · (217) 545-8000 · Fax (217) 545-7795
Fax(217) 545-7795
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateMay 13, 2015
Last NPPES UpdateSeptember 29, 20263 updates tracked since enumeration
NPPES CertifiedNovember 21, 2025
✔ NPI 1184002867 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in IL · 209-012703
747 N RUTLEDGE ST, Springfield, IL 62702

Other Names 1

Former Name (1)Celine Rickner Agacnp-bc

Secondary Practice Location 1

Location 12300 N Edward StDecatur, IL 62526-4192 · Phone (217) 876-3660 · Fax (217) 876-3665

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

Celine 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.

PECOS PAC ID7012238652
PECOS Enrollment IDI20150608001131
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Celine Walker reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Endocrinology, Diabetes & Metabolism
201 E MADISON ST STE 328
Springfield, IL 62702
  • Reassigned Medicare billing, Illinois enrollment
  • 645 clinicians in this Medicare group
Critical Access
201 E PLEASANT ST
Taylorville, IL 62568
  • Reassigned Medicare billing, Illinois enrollment
  • 67 clinicians in this Medicare group
General Acute Care Hospital
2300 N EDWARD ST, GSBLL
Decatur, IL 62526
  • Reassigned Medicare billing, Illinois enrollment
  • 166 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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
36 services13 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Taylorville Memorial Hospital

Critical Access Hospitals · Taylorville, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number141339
Location201 East Pleasant StreetTaylorville, IL 62568 · Christian County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 62702 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.71 typical visit price
range $54.80 – $168.44
Typical copayment $21.42 (range $13.70 – $42.11)
Most-billed visit code 99203
Established Patient
$97.25 typical visit price
range $17.16 – $136.56
Typical copayment $24.31 (range $4.29 – $34.14)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Obstetrics & Gynecology
747 N RUTLEDGE ST, 2ND FLOOR
SPRINGFIELD, IL 62702
Surgery
747 N RUTLEDGE ST
SPRINGFIELD, IL 62702
Obstetrics & Gynecology
747 N RUTLEDGE ST, BAYLIS BUILDING, 2ND FLOOR
SPRINGFIELD, IL 62702
Internal Medicine (Cardiovascular Disease)
747 N RUTLEDGE ST, 5TH FLOOR
SPRINGFIELD, IL 62702
Pharmacist
747 N RUTLEDGE ST
SPRINGFIELD, IL 62702
Internal Medicine (Cardiovascular Disease)
747 N RUTLEDGE ST
SPRINGFIELD, IL 62702
Plastic Surgery
747 N RUTLEDGE ST
SPRINGFIELD, IL 62702
Plastic Surgery
747 N RUTLEDGE ST
SPRINGFIELD, IL 62702

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 Celine Walker's NPI number?

The NPI number for Celine Walker is 1184002867. It was assigned to this individual provider in the NPPES registry on May 13, 2015. The provider is also known as Celine Rickner Agacnp-Bc.

Where is Celine Walker located?

Celine Walker practices at 747 N Rutledge St 5th Floor, Springfield, IL 62702. The listed phone number is (217) 545-8000.

What is Celine Walker's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Celine Walker enrolled in Medicare?

Yes. Celine 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 Celine Walker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Celine Walker reassigns Medicare benefits to 3 organizations: Siu Physicians & Surgeons, Inc (Springfield, IL), Taylorville Memorial Hospital (Taylorville, IL) and Decatur Memorial Hospital (Decatur, IL). 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 Celine Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Celine Walker affiliated with any hospitals?

According to CMS data, Celine Walker is affiliated with Taylorville Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Celine Walker was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days 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.