Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Gwen C Duffield, PMHNP

Psychiatric/Mental Health Nurse Practitioner in Pleasant Point, ME · enumerated 2014.

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

National Provider Identifier

1033527411

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Registry record

Entity type Individual (Type 1)

Name Gwen C Duffield

Credential PMHNP

Sex Female

Practice address 11 Back Rd, Pleasant Point, ME, 04667

Phone (207) 853-0644

Enumeration date Jul 29, 2014

Last updated in NPPES Jan 3, 2017

Taxonomy & licenses

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License CNP141018 (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.

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Frequently asked questions

Where does Gwen Duffield practice?

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

What is the NPI number for Gwen Duffield?

The National Provider Identifier (NPI) for Gwen Duffield is 1033527411, 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 2017-01-03.