Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. John C Wlodarski, M.D.

Anesthesiology Physician in Milwaukee, WI · enumerated 2006.

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

National Provider Identifier

1386702744

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Registry record

Entity type Individual (Type 1)

Name Dr. John C Wlodarski

Credential M.D.

Sex Male

Practice address 2901 W Kinnickinnic River Pkwy Ste 305, Milwaukee, WI, 53215

Phone (414) 649-6000

Enumeration date Dec 5, 2006

Last updated in NPPES Nov 24, 2021

Taxonomy & licenses

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License 36659-020 (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
32123900	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 John Wlodarski?

The National Provider Identifier (NPI) for John Wlodarski is 1386702744, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Wlodarski practice?

The practice location on file with NPPES is in Milwaukee, WI. 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 2021-11-24.