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

Michelle Maria Macarthur, LMSW,CAADC

Clinical Social Worker in Houghton Lake, MI · enumerated 2026.

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

National Provider Identifier

1619885696

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Michelle Maria Macarthur

Credential LMSW,CAADC

Sex Female

Practice address Houghton Lake, MI, 48629

Phone (989) 259-2927

Enumeration date Aug 31, 2026

Last updated in NPPES Aug 31, 2026

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

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License C-02112 (MI) Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 6801116213 (MI) 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 is the NPI number for Michelle Macarthur?

The National Provider Identifier (NPI) for Michelle Macarthur is 1619885696, a Type 1 (individual) record in the CMS NPPES registry.

Where does Michelle Macarthur practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-08-31.