HOLLEIGH MADELINE MCMASTERS DO
NPI 1033840392
Pediatrics in Peoria, IL

Q: What is Holleigh Mcmasters's NPI number?

The NPI number for Holleigh Mcmasters is 1033840392. It was assigned to this individual provider in the NPPES registry on June 17, 2022.

Q: What is Holleigh Mcmasters's specialty?

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

Active since June 17, 2022PECOS Enrolled

530 NE GLEN OAK AVE, PEORIA, IL 61637(309) 624-8818(309) 624-8820 Get Directions Write a Review

NPPES record last updated: July 1, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Holleigh Madeline Mcmasters Do NPPES

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

HOLLEIGH MADELINE MCMASTERS DO (NPI 1033840392) is an individual pediatrics provider in Peoria, Illinois, licensed in Illinois (036175729) and active in the NPI registry since June 2022. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1033840392

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameHOLLEIGH MADELINE MCMASTERSCredential: DO

Location Address530 NE GLEN OAK AVEPeoria, IL 61637-0001

Mailing Address530 Ne Glen Oak AvePeoria, IL 61637-0001 · (309) 624-8818 · Fax (309) 624-8820

Phone(309) 624-8818

Fax(309) 624-8820

Sole ProprietorNo

Enumeration DateJune 17, 2022

Last NPPES UpdateJuly 1, 2025

NPPES CertifiedJune 20, 2025

✔ NPI 1033840392 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in IL · 036175729

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.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

530 NE GLEN OAK AVE, Peoria, IL 61637

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Holleigh Madeline Mcmasters Do 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 Holleigh Mcmasters reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

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 61637 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.

DR. HAMID MAHMOOD ZIA M.D

Pathology (Anatomic Pathology & Clinical Pathology)

530 NE GLEN OAK AVE, CENTRAL ILLINOIS PATHOLOGY SC
PEORIA, IL 61637

Peoria County (309) 624-9011

THOMAS JAMES MCMORROW MD

Pediatrics