Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Irene Mary O'Neill, MD

Specialist in Crown Point, IN · enumerated 2007.

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

National Provider Identifier

1790809846

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Registry record

Entity type Individual (Type 1)

Name Dr. Irene Mary O'Neill

Credential MD

Sex Female

Practice address 1201 S Main St, Crown Point, IN, 46307

Phone (219) 757-5670

Fax (219) 757-6113

Enumeration date Mar 16, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

174400000X Specialist Other Service Providers · License 01042138A (IN) 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

What is the NPI number for Irene O'Neill?

The National Provider Identifier (NPI) for Irene O'Neill is 1790809846, a Type 1 (individual) record in the CMS NPPES registry.

Where does Irene O'Neill practice?

The practice location on file with NPPES is in Crown Point, IN. 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 2007-07-08.