Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alan H Siggelkow, LCSW

Clinical Social Worker in Germantown, WI · enumerated 2010.

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

National Provider Identifier

1508179318

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Alan H Siggelkow

Credential LCSW

Sex Male

Practice address W175n11120 Stonewood Dr, Germantown, WI, 53022

Phone (262) 345-5560

Fax (262) 345-5562

Enumeration date Jul 21, 2010

Last updated in NPPES Mar 11, 2021

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers 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
1508179318	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 Alan Siggelkow?

The National Provider Identifier (NPI) for Alan Siggelkow is 1508179318, a Type 1 (individual) record in the CMS NPPES registry.

Where does Alan Siggelkow practice?

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

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-03-11.