MRS. JACQUELINE JOYCE GUAY MD
NPI 1447313945
Pediatrics in Wheaton, IL

Active since December 18, 2006PECOS Enrolled
55 EAST LOOP ROAD, WHEATON, IL 60187(630) 690-7300 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mrs. Jacqueline Joyce Guay Md NPPES

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

MRS. JACQUELINE JOYCE GUAY MD (NPI 1447313945) is an individual pediatrics provider in Wheaton, Illinois and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1447313945
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameMRS. JACQUELINE JOYCE GUAYCredential: MD
Location Address55 EAST LOOP ROADWheaton, IL 60187
Mailing Address1400 Sequoia RoadNaperville, IL 60540 · (630) 718-0039
Sole ProprietorNo
Enumeration DateDecember 18, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1447313945 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
55 EAST LOOP ROAD, Wheaton, IL 60187

Other Names 1

Other Name (5)Jacquelyn Mary Joyce

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Jacqueline Joyce Guay Md 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 Jacqueline Guay reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pediatrics
225 E CHICAGO AVE
Chicago, IL 60611
  • Reassigned Medicare billing, Illinois enrollment
  • 826 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60187 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

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Dental Hygienist
55 EAST LOOP ROAD, SUITE 201
WHEATON, IL 60187

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 Jacqueline Guay's NPI number?

The NPI number for Jacqueline Guay is 1447313945. It was assigned to this individual provider in the NPPES registry on December 18, 2006. The provider is also known as Jacquelyn Mary Joyce.

Where is Jacqueline Guay located?

Jacqueline Guay practices at 55 East Loop Road, Wheaton, IL 60187. The listed phone number is (630) 690-7300.

What is Jacqueline Guay's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Jacqueline Guay enrolled in Medicare?

Yes. Jacqueline Guay is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jacqueline Guay's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jacqueline Guay reassigns Medicare benefits to Lurie Children's Medical Group Inc (Chicago, 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 Jacqueline Guay'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 Jacqueline Guay was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.