Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Steven Dale Pearson Jr., M.D.

Pulmonary Disease Physician in Winfield, IL · enumerated 2015.

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

National Provider Identifier

1144609256

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Registry record

Entity type Individual (Type 1)

Name Steven Dale Pearson Jr.

Credential M.D.

Sex Male

Practice address 25 N Winfield Rd Ste 204, Winfield, IL, 60190

Phone (630) 232-0202

Fax (630) 690-2293

Enumeration date May 21, 2015

Last updated in NPPES Oct 30, 2024

Taxonomy & licenses

207RC0200X Critical Care Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 036145186 (IL) Secondary

207RP1001X Pulmonary Disease Physician Allopathic & Osteopathic Physicians · License 036-145186 (IL) Primary

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

Other identifiers

Identifier	Type	State	Issuer
036145186	Medicaid	IL	-

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

How do I verify Steven Pearson's NPI record?

Cross-check NPI 1144609256 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1144609256 active?

Yes, as of the latest NPPES snapshot, NPI 1144609256 is active (record last updated 2024-10-30).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-10-30.