Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

WILLIAM MAURER MD
NPI 1114996014
Pediatrics - Pediatric Endocrinology in Peoria, IL

Q: What is William Maurer's NPI number?

The NPI number for William Maurer is 1114996014. It was assigned to this individual provider in the NPPES registry on March 15, 2006.

Q: What is William Maurer's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Endocrinology, with taxonomy code 2080P0205X.

Q: When was this NPI record last updated?

The NPPES record for William Maurer was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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.

Active since March 15, 2006

REGIONAL DEVELOPMENT CENTER, 507 E ARMSTRONG, PEORIA, IL 61603(309) 681-6960 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About William Maurer Md NPPES

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

WILLIAM MAURER MD (NPI 1114996014) is an individual pediatric endocrinology provider in Peoria, Illinois and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1114996014

Entity TypeIndividualMale

Primary Taxonomy2080P0205X

Provider Legal NameWILLIAM MAURERCredential: MD

Location AddressREGIONAL DEVELOPMENT CENTER, 507 E ARMSTRONGPeoria, IL 61603

Mailing Address1 Illini DrPeoria, IL 61605-2576 · (309) 671-8503

Phone(309) 681-6960

Sole ProprietorNo

Enumeration DateMarch 15, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1114996014 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric EndocrinologyAllopathic & Osteopathic Physicians

Taxonomy Code2080P0205X

Definition

A pediatrician who provides expert care to infants, children and adolescents who have diseases that result from an abnormality in the endocrine glands (glands which secrete hormones). These diseases include diabetes mellitus, growth failure, unusual size for age, early or late pubertal development, birth defects, the genital region and disorders of the thyroid, the adrenal and pituitary glands.

REGIONAL DEVELOPMENT CENTER, Peoria, IL 61603

Open in Google Maps ↗

Other Identifiers 2

Other07215036IL · Bcbs

OtherIL01DCIL · John Deere

Other Providers at the Same Location NPPES

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

UNIVERSITY OF ILLINOIS

Pediatrics (Developmental - Behavioral Pediatrics)

REGIONAL DEVELOPMENT CENTER, 507 E ARMSTRONG
PEORIA, IL 61603

Peoria County (309) 681-6960

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 William Maurer's NPI number?

The NPI number for William Maurer is 1114996014. It was assigned to this individual provider in the NPPES registry on March 15, 2006.

Where is William Maurer located?

William Maurer practices at Regional Development Center 507 E Armstrong, Peoria, IL 61603. The listed phone number is (309) 681-6960.

What is William Maurer's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Endocrinology, with taxonomy code 2080P0205X.

When was this NPI record last updated?

The NPPES record for William Maurer was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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.