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CAROLINE RYDER APN-CNP
NPI 1073945150
Nurse Practitioner in Elmhurst, IL

Active since July 31, 2013PECOS Enrolled
155 E BRUSH HILL RD, ELMHURST, IL 60126(866) 281-1892 Get Directions Write a Review

NPPES record last updated: August 20, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 8, 2023, Sep 4, 2019 (2 updates tracked since 2019).

About Caroline Ryder Apn-cnp NPPES

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

CAROLINE RYDER APN-CNP (NPI 1073945150) is an individual nurse practitioner in Elmhurst, Illinois, licensed in Illinois (209027303) and active in the NPI registry since July 2013. She is enrolled in Medicare PECOS and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1073945150
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameCAROLINE RYDERCredential: APN-CNP
Location Address155 E BRUSH HILL RDElmhurst, IL 60126-5658
Mailing Address2650 Ridge Ave Ste 1223Evanston, IL 60201-1700 · (847) 570-2040
Phone(866) 281-1892
Sole ProprietorNo
Enumeration DateJuly 31, 2013
Last NPPES UpdateAugust 20, 20252 updates tracked since enumeration
NPPES CertifiedAugust 20, 2025
✔ NPI 1073945150 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in IL · 209027303
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedNurse Practitioner · NeonatalTaxonomy 363LN0000X · License 632 (MN), 209.027303 (IL)
155 E BRUSH HILL RD, Elmhurst, IL 60126
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Other Names 1

Former Name (1)Caroline Kayor

Secondary Practice Location 1

Location 1225 E Chicago AveChicago, IL 60611-2991 · Phone (312) 227-4000

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Caroline Ryder Apn-cnp 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 Reassignment

Medicare enrollment records show Caroline Ryder reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Endeavor Health Medical Group
19 mi
Allergy & Immunology
1000 CENTRAL ST
Evanston, IL 60201
  • Reassigned Medicare billing, Illinois enrollment
  • 4,841 clinicians in this Medicare group
NPI 1497701882 (847) 570-5235

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 60126 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
$93.02 typical visit price
range $59.81 – $181.38
Typical copayment $23.25 (range $14.95 – $45.34)
Most-billed visit code 99203
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
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.

DR. DANIEL STEVEN VRYHOF M.D.
Emergency Medicine
155 E BRUSH HILL RD
ELMHURST, IL 60126
Dupage County (331) 221-0200
DR. STEPHANY LYNNE MAZUR M.D.
Radiology (Diagnostic Radiology)
155 E BRUSH HILL RD
ELMHURST, IL 60126
Dupage County (847) 982-6710
BARBARA E POTACZEK MD
Hospitalist
155 E BRUSH HILL RD
ELMHURST, IL 60126
Dupage County (331) 221-8952
KEVIN EMMERICH MD
Emergency Medicine
155 E BRUSH HILL RD
ELMHURST, IL 60126
Dupage County (331) 221-1000
DANIEL M CAHILL MD
Emergency Medicine
155 E BRUSH HILL RD
ELMHURST, IL 60126
Dupage County (331) 221-0202
DR. LALITHA DILEEP-ANSAL MD
Hospitalist
155 E BRUSH HILL RD
ELMHURST, IL 60126
Dupage County (331) 221-8952
SNEZANA KOVACEVIC
Pharmacist
155 E BRUSH HILL RD
ELMHURST, IL 60126
Dupage County (630) 833-3724
THOMAS P. KING M.D.
Emergency Medicine
155 E BRUSH HILL RD
ELMHURST, IL 60126
Dupage County (331) 221-8952

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 Caroline Ryder's NPI number?

The NPI number for Caroline Ryder is 1073945150. It was assigned to this individual provider in the NPPES registry on July 31, 2013. The provider is also known as Caroline Kayor.

Where is Caroline Ryder located?

Caroline Ryder practices at 155 E Brush Hill Rd, Elmhurst, IL 60126. The listed phone number is (866) 281-1892.

What is Caroline Ryder's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Caroline Ryder enrolled in Medicare?

Yes. Caroline Ryder is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Caroline Ryder's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Caroline Ryder reassigns Medicare benefits to Endeavor Health Medical Group (Evanston, IL). The 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 Caroline Ryder'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 Caroline Ryder was last updated on August 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.