Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Christopher Bruce Clark, LCSW

Clinical Social Worker in Greenfield, WI · enumerated 2006 · practices at Froedtert &the Medical College of Wisconsin Community Physicians, Inc..

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

National Provider Identifier

1609944693

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Registry record

Entity type Individual (Type 1)

Name Mr. Christopher Bruce Clark

Credential LCSW

Sex Male

Practice address 4455 S 108th St, Greenfield, WI, 53228

Phone (414) 427-5310

Fax (414) 427-5311

Enumeration date Nov 30, 2006

Last updated in NPPES Jan 7, 2024

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 8097 (WI) Primary

LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy. About the LCSW credential

Other identifiers

Identifier	Type	State	Issuer
1609944693	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 Christopher Clark practice?

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

What is the NPI number for Christopher Clark?

The National Provider Identifier (NPI) for Christopher Clark is 1609944693, a Type 1 (individual) record in the CMS NPPES registry.

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Brady O'Connor Family Nurse Practitioner · Greenfield, WI NPI 1821012220 Mark Hufen Mental Health Counselor · Greenfield, WI NPI 1245335157 Aparna Shah Family Medicine Physician · Greenfield, WI NPI 1548330467 Raven Koeppler Obstetrics & Gynecology Physician · Milwaukee, WI NPI 1346316239 Claire Louvar-Canga Family Medicine Physician · Greenfield, WI NPI 1760674675 Tamara Morris Psychologist · Greenfield, WI NPI 1922353986 Froedtert &the Medical College of Wisconsin Community Physicians, Inc. Durable Medical Equipment & Medical Supplies · Greenfield, WI NPI 1477971018 Gregory Burek Psychiatry Physician · Greenfield, WI NPI 1730507773

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-01-07.