Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Steven T Lillpop, M.D.

Pediatrics Physician in Jacksonville, IL · enumerated 2005.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1851387609

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Registry record

Entity type Individual (Type 1)

Name Dr. Steven T Lillpop

Credential M.D.

Sex Male

Practice address 1600 W Walnut St, Jacksonville, IL, 62650

Phone (217) 245-5437

Fax (217) 243-3113

Enumeration date Sep 26, 2005

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Steven Lillpop practice?

The practice location on file with NPPES is in Jacksonville, IL. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Steven Lillpop?

The National Provider Identifier (NPI) for Steven Lillpop is 1851387609, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.