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

Steven J Millen, MD

Otology & Neurotology Physician in Hales Corners, WI · enumerated 2006.

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

National Provider Identifier

1710944954

Verified

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Registry record

Entity type Individual (Type 1)

Name Steven J Millen

Credential MD

Sex Male

Practice address Hales Corners, WI, 53130

Phone (414) 529-3215

Fax (414) 529-3214

Enumeration date May 1, 2006

Last updated in NPPES Feb 5, 2015

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

Taxonomy & licenses

207YX0901X Otology & Neurotology Physician Allopathic & Osteopathic Physicians · License 18990 (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
30251900	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 Steven Millen?

The National Provider Identifier (NPI) for Steven Millen is 1710944954, a Type 1 (individual) record in the CMS NPPES registry.

Where does Steven Millen practice?

The practice location on file with NPPES is in Hales Corners, 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 2015-02-05.