Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MS. ELIZABETH BALLARD LARSEN PMHNP-BC
NPI 1528971553
Nurse Practitioner - Psychiatric/Mental Health in Natick, MA

Q: What is Elizabeth Larsen's NPI number?

The NPI number for Elizabeth Larsen is 1528971553. It was assigned to this individual provider in the NPPES registry on September 22, 2026.

Q: What is Elizabeth Larsen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Q: When was this NPI record last updated?

The NPPES record for Elizabeth Larsen was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 22, 2026

18 MOORE ST, NATICK, MA 01760(617) 429-9085 Get Directions Write a Review

NPPES record added: September 22, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

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About Ms. Elizabeth Ballard Larsen Pmhnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. ELIZABETH BALLARD LARSEN PMHNP-BC (NPI 1528971553) is an individual psychiatric/mental health provider in Natick, Massachusetts, licensed in Massachusetts (RN205159) and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1528971553

Entity TypeIndividualFemale

Primary Taxonomy363LP0808X

Provider Legal NameMS. ELIZABETH BALLARD LARSENCredential: PMHNP-BC

Location Address18 MOORE STNatick, MA 01760-4256

Mailing Address18 Moore StNatick, MA 01760-4256 · (617) 429-9085

Phone(617) 429-9085

Sole ProprietorYes

Enumeration DateSeptember 22, 2026

NPPES CertifiedSeptember 22, 2026

✔ NPI 1528971553 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0808X

License✔ Licensed in MA · RN205159

18 MOORE ST, Natick, MA 01760

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Elizabeth Larsen's NPI number?

The NPI number for Elizabeth Larsen is 1528971553. It was assigned to this individual provider in the NPPES registry on September 22, 2026.

Where is Elizabeth Larsen located?

Elizabeth Larsen practices at 18 Moore St, Natick, MA 01760. The listed phone number is (617) 429-9085.

What is Elizabeth Larsen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

When was this NPI record last updated?

The NPPES record for Elizabeth Larsen was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.