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MAYSTONE PSYCHIATRY
NPI 1851116719
Nurse Practitioner - Psychiatric/Mental Health in Watertown, CT

Active since November 16, 2024
27 SIEMON COMPANY DR STE 115W, WATERTOWN, CT 06795(203) 941-0033 Get Directions Write a Review

NPPES record last updated: July 25, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 14, 2024, Nov 16, 2024 (2 updates tracked since 2024).

About Maystone Psychiatry NPPES

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

MAYSTONE PSYCHIATRY (NPI 1851116719) is a healthcare organization registered as a psychiatric/mental health in Watertown, Connecticut and active in the NPI registry since November 2024. The organization lists Maegan F Anderson, Psychiatric Aprn, as its authorized official.

NPPES Registry Identity

NPI1851116719
Entity TypeOrganization
Primary Taxonomy363LP0808X
Legal Business NameMAYSTONE PSYCHIATRY
Location Address27 SIEMON COMPANY DR STE 115WWatertown, CT 06795-2654
Mailing Address27 Siemon Company Dr Ste 115wWatertown, CT 06795-2654 · (203) 941-0033
Phone(203) 941-0033
Organization SubpartNo
Authorized OfficialMaegan F AndersonPsychiatric Aprn · (203) 560-9547
Enumeration DateNovember 16, 2024
Last NPPES UpdateJuly 25, 20252 updates tracked since enumeration
NPPES CertifiedJuly 25, 2025
✔ NPI 1851116719 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
27 SIEMON COMPANY DR STE 115W, Watertown, CT 06795
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MAEGAN ANDERSON PMHNP
Nurse Practitioner (Psychiatric/Mental Health)
27 SIEMON COMPANY DR STE 115W
WATERTOWN, CT 06795
Naugatuck Valley Planning Region (203) 941-0033

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 Maystone Psychiatry's NPI number?

The NPI number for Maystone Psychiatry is 1851116719. It was assigned to this organization in the NPPES registry on November 16, 2024.

Where is Maystone Psychiatry located?

Maystone Psychiatry is located at 27 Siemon Company Dr Ste 115W, Watertown, CT 06795. The listed phone number is (203) 941-0033.

What is Maystone Psychiatry'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 Maystone Psychiatry was last updated on July 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.