Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Tedmond R O'Reilly, MD

Family Medicine Physician in Port Washington, WI · enumerated 2006.

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

National Provider Identifier

1851408231

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Registry record

Entity type Individual (Type 1)

Name Tedmond R O'Reilly

Credential MD

Sex Male

Practice address 1475 W Grand Ave, Port Washington, WI, 53074

Phone (262) 268-5100

Fax (262) 268-5115

Enumeration date Aug 23, 2006

Last updated in NPPES Feb 11, 2026

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 30480 (WI) 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
P00750288	Other	WI	RR MEDICARE
31556200	Medicaid	WI	-

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 Tedmond O'Reilly practice?

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

What is the NPI number for Tedmond O'Reilly?

The National Provider Identifier (NPI) for Tedmond O'Reilly is 1851408231, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-02-11.