Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Sonja Jean Roper, BS, CSAC, NCGC1

Addiction (Substance Use Disorder) Counselor in Eau Claire, WI · enumerated 2006 · practices at Lutheran Social Services of Wisconsin and Upper Michigan, Inc..

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

National Provider Identifier

1649331026

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Registry record

Entity type Individual (Type 1)

Name Sonja Jean Roper

Credential BS, CSAC, NCGC1

Sex Female

Practice address 3136 Craig Rd, Eau Claire, WI, 54701

Phone (715) 835-9110

Fax (715) 830-4098

Enumeration date Dec 12, 2006

Last updated in NPPES Jan 22, 2021

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 13531 (WI) Secondary

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 15392-132 (WI) Primary

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 specialty is Sonja Roper?

Sonja Roper is registered in NPPES with the primary taxonomy of Addiction (Substance Use Disorder) Counselor. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-01-22.