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

LEO CHAPIN JENNETTEN MD
NPI 1538819024
Pediatrics in Peoria, IL

Q: What is Leo Jennetten's NPI number?

The NPI number for Leo Jennetten is 1538819024. It was assigned to this individual provider in the NPPES registry on March 27, 2022.

Q: What is Leo Jennetten's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Leo Jennetten was last updated on September 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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 27, 2022PECOS Enrolled

530 NE GLEN OAK AVE, PEORIA, IL 61637(309) 655-2000 Get Directions Write a Review

NPPES record last updated: September 2, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

On this page

About Leo Chapin Jennetten Md NPPES

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

LEO CHAPIN JENNETTEN MD (NPI 1538819024) is an individual pediatrics provider in Peoria, Illinois, licensed in Illinois (036178010) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2022).

NPPES Registry Identity

NPI1538819024

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameLEO CHAPIN JENNETTENCredential: MD

Location Address530 NE GLEN OAK AVEPeoria, IL 61637-0001

Mailing Address2118 W Laura AveWest Peoria, IL 61604-5146 · (309) 369-6639

Phone(309) 655-2000

Sole ProprietorNo

Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2022

Enumeration DateMarch 27, 2022

Last NPPES UpdateSeptember 2, 2026

NPPES CertifiedSeptember 2, 2026

✔ NPI 1538819024 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in IL · 036178010

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 ListedInternal MedicineTaxonomy 207R00000X · License 036178010 (IL)

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

530 NE GLEN OAK AVE, Peoria, IL 61637

Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Leo Chapin Jennetten Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8022580828

PECOS Enrollment IDI20260612000682

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.

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