Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum Organization subpart

Janesville Psychiatric Clinic of Main

Community/Behavioral Health Agency in Janesville, WI · enumerated 2015 · authorized official William Hollingsworth, Director.

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

National Provider Identifier

1598149403

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Registry record

Entity type Organization (Type 2)

Legal business name Janesville Psychiatric Clinic of Main

Other name <Unavail>

Parent organization Janesville Psychiatric Clinic

Practice address 2010 Parkside Dr, Janesville, WI, 53548

Phone (608) 436-6161

Enumeration date Jul 10, 2015

Last updated in NPPES Jul 20, 2015

Taxonomy & classification

251S00000X Community/Behavioral Health Agency Agencies · License 162 - 124, 366 - 125 (WI) Secondary

251S00000X Community/Behavioral Health Agency Agencies · License 3044- 123 (WI) Primary

Authorized official

Name William Hollingsworth

Title Director

Phone (608) 436-6161

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 type of organization is Janesville Psychiatric Clinic of Main?

Janesville Psychiatric Clinic of Main is registered in NPPES as a Community/Behavioral Health Agency (its primary provider taxonomy).

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-07-20.