DR. RONALD CHEDIAK MD
NPI 1184627861
Pediatrics in Marion, IL

Active since May 24, 2005PECOS Enrolled
3000 W DEYOUNG ST, STE 524, MARION, IL 62959(618) 993-1421 Get Directions Write a Review

NPPES record last updated: May 7, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: May 7, 2025, May 10, 2023 (2 updates tracked since 2023).

About Dr. Ronald Chediak Md NPPES

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

DR. RONALD CHEDIAK MD (NPI 1184627861) is an individual pediatrics provider in Marion, Illinois, licensed in Illinois (036108590) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1184627861
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. RONALD CHEDIAKCredential: MD
Location Address3000 W DEYOUNG ST, STE 524Marion, IL 62959-5551
Mailing Address3000 W Deyoung St, Ste 524Marion, IL 62959-5551
Sole ProprietorNo
Enumeration DateMay 24, 2005
Last NPPES UpdateMay 7, 20252 updates tracked since enumeration
NPPES CertifiedMay 7, 2025
✔ NPI 1184627861 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in IL · 036108590
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.
3000 W DEYOUNG ST, Marion, IL 62959

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ronald Chediak 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 Ronald Chediak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Emergency Medicine
1 GOOD SAMARITAN WAY
Mount Vernon, IL 62864
  • Reassigned Medicare billing, Illinois enrollment
  • 284 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 62959 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Appropriate Treatment for Upper Respiratory Infection (URI)
98%66 patients4/55-star benchmark: 100%
Childhood Immunization Status
2%54 patients
Closing the Referral Loop: Receipt of Specialist Report
50%28 patients3/55-star benchmark: 87%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
39%66 patients2/55-star benchmark: 97%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 2

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

Hearing Instrument Specialist
3000 W DEYOUNG ST
MARION, IL 62959
Hearing Instrument Specialist
3000 W DEYOUNG ST
MARION, IL 62959

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 Ronald Chediak's NPI number?

The NPI number for Ronald Chediak is 1184627861. It was assigned to this individual provider in the NPPES registry on May 24, 2005.

Where is Ronald Chediak located?

Ronald Chediak practices at 3000 W Deyoung St Ste 524, Marion, IL 62959. The listed phone number is (618) 993-1421.

What is Ronald Chediak's specialty?

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

Is Ronald Chediak enrolled in Medicare?

Yes. Ronald Chediak is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ronald Chediak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ronald Chediak reassigns Medicare benefits to Good Samaritan Regional Health Center (Mount Vernon, 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 Ronald Chediak'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 Ronald Chediak was last updated on May 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.