Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William Robert Oconnell, PT

Orthopedic Physical Therapist in Germantown, WI · enumerated 2008.

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

National Provider Identifier

1528218153

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Registry record

Entity type Individual (Type 1)

Name William Robert Oconnell

Credential PT

Sex Male

Practice address N112w15415 Mequon Rd, Germantown, WI, 53022

Phone (262) 257-4730

Fax (262) 257-4737

Enumeration date Sep 18, 2008

Last updated in NPPES Sep 18, 2008

Taxonomy & licenses

2251X0800X Orthopedic Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 4029 (WI) Primary

PT · Physical Therapist: A licensed movement specialist treating injury and disability through exercise and rehabilitation. About the PT credential

Other identifiers

Identifier	Type	State	Issuer
40247300	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 William Oconnell practice?

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

What is the NPI number for William Oconnell?

The National Provider Identifier (NPI) for William Oconnell is 1528218153, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-09-18.