Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Ms. Janice M Merten, MSW MA

Clinical Social Worker in Sheboygan, WI · enumerated 2006.

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

National Provider Identifier

1649344888

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Registry record

Entity type Individual (Type 1)

Name Ms. Janice M Merten

Credential MSW MA

Sex Female

Practice address Sheboygan, WI, 53081

Phone (920) 980-6808

Fax (920) 783-8004

Enumeration date Nov 20, 2006

Last updated in NPPES Jul 16, 2019

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 149007383 (IL) Primary

Other identifiers

Identifier	Type	State	Issuer
1649344888	Other	-	HEALTH INSURANCE COMPANIES

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 Janice Merten?

The National Provider Identifier (NPI) for Janice Merten is 1649344888, a Type 1 (individual) record in the CMS NPPES registry.

Where does Janice Merten practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-07-16.