Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mary Louise Weed, LLMSW

Social Worker in Houghton, MI · enumerated 2019.

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

National Provider Identifier

1043875404

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Registry record

Entity type Individual (Type 1)

Name Mary Louise Weed

Credential LLMSW

Sex Female

Practice address 901 W Mem Dr, Houghton, MI, 49931

Phone (906) 482-9400

Enumeration date May 1, 2019

Last updated in NPPES May 1, 2019

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 6801102438 (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 specialty is Mary Weed?

Mary Weed is registered in NPPES with the primary taxonomy of Social Worker. 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 2019-05-01.