Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Stephen H Jennison, M.D.

Specialist in Springfield, IL · enumerated 2006.

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

National Provider Identifier

1043391766

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Registry record

Entity type Individual (Type 1)

Name Stephen H Jennison

Credential M.D.

Sex Male

Practice address 619 E Mason St, Suite 4p57, Springfield, IL, 62701

Phone (217) 788-0706

Fax (217) 525-2535

Enumeration date Oct 18, 2006

Last updated in NPPES Jun 2, 2008

Taxonomy & licenses

174400000X Specialist Other Service Providers · License 036-091807 (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
060031123	Other	IL	RAILROAD

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 Stephen Jennison's NPI record?

Cross-check NPI 1043391766 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1043391766 active?

Yes, as of the latest NPPES snapshot, NPI 1043391766 is active (record last updated 2008-06-02).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-06-02.