Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mary Louise Bart, RN-C

Q: What is the NPI number for Mary Bart?

The National Provider Identifier (NPI) for Mary Bart is 1588674360, a Type 1 (individual) record in the CMS NPPES registry.

Psychiatric/Mental Health Registered Nurse in Waterville, ME · enumerated 2006.

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

National Provider Identifier

1588674360

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Registry record

Entity type Individual (Type 1)

Name Mary Louise Bart

Credential RN-C

Sex Female

Practice address 67 Eustis Pkwy, Waterville, ME, 04901

Phone (207) 873-2136

Fax (207) 872-4522

Enumeration date Aug 8, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

163WP0808X Psychiatric/Mental Health Registered Nurse Nursing Service Providers · License R046269 (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 Mary Bart?

The National Provider Identifier (NPI) for Mary Bart is 1588674360, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mary Bart practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.