Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Wisconsin Community Services, Inc.

Clinical Medical Laboratory in Milwaukee, WI · enumerated 2008 · authorized official Hollis Patzer, Executive Director.

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

National Provider Identifier

1508027905

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Registry record

Entity type Organization (Type 2)

Legal business name Wisconsin Community Services, Inc.

Other name <Unavail>

Practice address 230 W. Wells St., Suite 500, Milwaukee, WI, 53203

Phone (414) 290-0440

Fax (414) 226-0351

Enumeration date Jun 19, 2008

Last updated in NPPES Jun 11, 2014

Taxonomy & classification

291U00000X Clinical Medical Laboratory Laboratories · License 52D0914885 (WI) Primary

Authorized official

Name Hollis Patzer

Title Executive Director

Phone (414) 290-0400

Other identifiers

Identifier	Type	State	Issuer
32920400	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

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2014-06-11. Verify at npiregistry.cms.hhs.gov.

Where is Wisconsin Community Services, Inc. located?

The practice location on file with NPPES is in Milwaukee, WI.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-06-11.