Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Maggie Q. Karoff, LMSW-CC

Social Worker in Belfast, ME · enumerated 2013.

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

National Provider Identifier

1679900120

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Registry record

Entity type Individual (Type 1)

Name Maggie Q. Karoff

Credential LMSW-CC

Sex Female

Practice address 15 Mid Coast Dr, Belfast, ME, 04915

Phone (207) 338-2295

Fax (207) 338-2388

Enumeration date Sep 30, 2013

Last updated in NPPES Mar 9, 2018

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License MC16564 (ME) 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 Maggie Karoff?

The National Provider Identifier (NPI) for Maggie Karoff is 1679900120, a Type 1 (individual) record in the CMS NPPES registry.

Where does Maggie Karoff practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-03-09.