Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Patrick T Regan, MD

Gastroenterology Physician in Sheboygan, WI · enumerated 2006.

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

National Provider Identifier

1518904762

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Registry record

Entity type Individual (Type 1)

Name Patrick T Regan

Credential MD

Sex Male

Practice address 1414 N Taylor Drive, Columbia St Mary'S Sheyboygan Outpatient Center, Sheboygan, WI, 53081

Phone (262) 243-2500

Fax (262) 243-5395

Enumeration date May 31, 2006

Last updated in NPPES May 21, 2014

Taxonomy & licenses

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License 20082 (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
1518904762	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

What is the NPI number for Patrick Regan?

The National Provider Identifier (NPI) for Patrick Regan is 1518904762, a Type 1 (individual) record in the CMS NPPES registry.

Where does Patrick Regan practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-05-21.