Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Jeffrey Stuart Neiger, MD

Clinical Cardiac Electrophysiology Physician in Oak Lawn, IL · enumerated 2008.

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

National Provider Identifier

1275719072

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Registry record

Entity type Individual (Type 1)

Name Dr. Jeffrey Stuart Neiger

Credential MD

Sex Male

Practice address 10837 S Cicero Ave, Suite 200, Oak Lawn, IL, 60453

Phone (708) 636-7575

Fax (708) 636-6193

Enumeration date Jan 11, 2008

Last updated in NPPES Dec 17, 2021

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 036120715 (IL) Secondary

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians · License 036120715 (IL) Secondary

207RC0001X Clinical Cardiac Electrophysiology Physician Allopathic & Osteopathic Physicians · License 036120715 (IL) 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.

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Frequently asked questions

What is the NPI number for Jeffrey Neiger?

The National Provider Identifier (NPI) for Jeffrey Neiger is 1275719072, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jeffrey Neiger practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-12-17.