Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Marit Ann Isaksen, M.A., LMHC

Mental Health Counselor in New Bedford, MA · enumerated 2007.

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

National Provider Identifier

1851509483

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Registry record

Entity type Individual (Type 1)

Name Ms. Marit Ann Isaksen

Credential M.A., LMHC

Sex Female

Practice address 345 Union St, New Bedford, MA, 02740

Phone (774) 202-6502

Enumeration date May 18, 2007

Last updated in NPPES Jul 23, 2018

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 136879 (MA) Secondary

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers 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

Where does Marit Isaksen practice?

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

What is the NPI number for Marit Isaksen?

The National Provider Identifier (NPI) for Marit Isaksen is 1851509483, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-07-23.