NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Bryan Robert Klauk, M.D.

Emergency Medicine Physician in Hartford, WI · enumerated 2012.

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

National Provider Identifier

1619239258

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Registry record

Entity type Individual (Type 1)
Name Dr. Bryan Robert Klauk
Credential M.D.
Sex Male
Practice address Hartford, WI, 53027
Phone (262) 673-2300
Enumeration date Jun 11, 2012
Last updated in NPPES May 21, 2024

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 63241 (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
100044689 Medicaid WI -
1619239258 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 Bryan Klauk?
The National Provider Identifier (NPI) for Bryan Klauk is 1619239258, a Type 1 (individual) record in the CMS NPPES registry.
Where does Bryan Klauk practice?
The practice location on file with NPPES is in Hartford, WI. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-05-21.