1. Home
  2. Directory
  3. Illinois
  4. Peoria
  5. Nurse Practitioner
  6. NPI Profile

DIANA WARNECKE APN, CPNP
NPI 1396183687
Nurse Practitioner - Pediatrics in Peoria, IL

Active since June 07, 2013PECOS Enrolled
420 NE GLEN OAK AVE, STE 401, PEORIA, IL 61603(309) 624-9844(309) 624-8884 Get Directions Write a Review

NPPES record last updated: June 7, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Diana Warnecke Apn, Cpnp NPPES

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

DIANA WARNECKE APN, CPNP (NPI 1396183687) is an individual pediatrics provider in Peoria, Illinois, licensed in Illinois (209010353) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1396183687
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameDIANA WARNECKECredential: APN, CPNP
Location Address420 NE GLEN OAK AVE, STE 401Peoria, IL 61603-3105
Mailing Address114 Miromar LnWashington, IL 61571-4020 · (309) 258-2555 · Fax (309) 624-8884
Phone(309) 624-9844
Fax(309) 624-8884
Sole ProprietorNo
Enumeration DateJune 7, 2013
✔ NPI 1396183687 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
License✔ Licensed in IL · 209010353
420 NE GLEN OAK AVE, Peoria, IL 61603
Open in Google Maps ↗

Other Identifiers 1

Medicaid376000511IL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Diana Warnecke Apn, Cpnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

Medicare enrollment records show Diana Warnecke reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Board Of Trustees Of The University Of Illinois
0.4 mi
Pediatrics
1 ILLINI DR
Peoria, IL 61605
  • Reassigned Medicare billing, Illinois enrollment
  • 2,127 clinicians in this Medicare group
NPI 1467425322 (309) 680-8649
Osf Multi-Specialty Group
7.4 mi
Internal Medicine
8600 N STATE ROUTE 91
Peoria, IL 61615
  • Reassigned Medicare billing, Illinois enrollment
  • 2,944 clinicians in this Medicare group
NPI 1922445527 (309) 683-5050

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 61603 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.

LINDA SCHMIDGALL
Nurse Practitioner
420 NE GLEN OAK AVE, SUITE 200
PEORIA, IL 61603
Peoria County (309) 624-5100
SANDRA L. PEACH APN
Nurse Practitioner
420 NE GLEN OAK AVE
PEORIA, IL 61603
Peoria County (309) 655-2343
SAINT FRANCIS MEDICAL CENTER
Pediatrics (Pediatric Cardiology)
420 NE GLEN OAK AVE, SUITE 304
PEORIA, IL 61603
Peoria County (309) 655-3453
CHARLES APRAHAMIAN MD
Surgery (Pediatric Surgery)
420 NE GLEN OAK AVE, SUITE 201
PEORIA, IL 61603
Peoria County (309) 655-3800
MRS. HEATHER A BOORE APN, CNS-BC
Clinical Nurse Specialist (Pediatrics)
420 NE GLEN OAK AVE, SUITE 401
PEORIA, IL 61603
Peoria County (309) 624-9844
DR. MATTHEW T BRAMLET MD
Pediatrics (Pediatric Cardiology)
420 NE GLEN OAK AVE, SUITE 301
PEORIA, IL 61603
Peoria County (309) 655-3453
GREGORY PUSZKIEWICZ R.PH.
Pharmacist
420 NE GLEN OAK AVE
PEORIA, IL 61603
Peoria County (309) 624-8777
PEDIATRIC CARDIOLOGY ASSOCIATES SC
Pediatrics (Pediatric Cardiology)
420 NE GLEN OAK AVE, SUITE 304
PEORIA, IL 61603
Peoria County (309) 655-3453

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 Diana Warnecke's NPI number?

The NPI number for Diana Warnecke is 1396183687. It was assigned to this individual provider in the NPPES registry on June 7, 2013.

Where is Diana Warnecke located?

Diana Warnecke practices at 420 NE Glen Oak Ave Ste 401, Peoria, IL 61603. The listed phone number is (309) 624-9844.

What is Diana Warnecke's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Is Diana Warnecke enrolled in Medicare?

Yes. Diana Warnecke is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Diana Warnecke's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diana Warnecke reassigns Medicare benefits to 2 organizations: Board Of Trustees Of The University Of Illinois (Peoria, IL) and Osf Multi-Specialty Group (Peoria, 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 Diana Warnecke's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Diana Warnecke was last updated on June 7, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.