Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Ms. Marcia Elaine Nelson-Vancini, CNS NP

Adult Psychiatric/Mental Health Clinical Nurse Specialist in Hampstead, NH · enumerated 2007.

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

National Provider Identifier

1215127840

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Registry record

Entity type Individual (Type 1)

Name Ms. Marcia Elaine Nelson-Vancini

Credential CNS NP

Sex Female

Practice address Hampstead, NH, 03841

Phone (978) 335-8785

Fax (603) 489-1389

Enumeration date Jul 30, 2007

Last updated in NPPES Jun 11, 2026

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

364SP0809X Adult Psychiatric/Mental Health Clinical Nurse Specialist Physician Assistants & Advanced Practice Nursing Providers · License 058926-23 (NH) Primary

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License ARNP.AP.70116227-NP (WA) Secondary

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

What is the NPI number for Marcia Nelson-Vancini?

The National Provider Identifier (NPI) for Marcia Nelson-Vancini is 1215127840, a Type 1 (individual) record in the CMS NPPES registry.

Where does Marcia Nelson-Vancini practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-06-11.