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

NORTHLINE PSYCHIATRY PLLC
NPI 1316850563
Clinic/Center - Mental Health (Including Community Mental Health Center) in Niantic, CT

Q: What is Northline Psychiatry PLLC's NPI number?

The NPI number for Northline Psychiatry PLLC is 1316850563. It was assigned to this organization in the NPPES registry on September 28, 2026. The provider is doing business as Northline Psychiatry.

Q: What is Northline Psychiatry PLLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Mental Health (Including Community Mental Health Center), with taxonomy code 261QM0801X.

Active since September 28, 2026

170 FLANDERS RD STE B1, NIANTIC, CT 06357(860) 385-6547(860) 807-1613 Get Directions Write a Review

NPPES record added: September 28, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

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About Northline Psychiatry Pllc NPPES

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

NORTHLINE PSYCHIATRY PLLC (NPI 1316850563), doing business as Northline Psychiatry, is a healthcare organization registered as a mental health (including community mental health center) in Niantic, Connecticut and active in the NPI registry since September 2026. The organization lists Tuvia Breuer, President, as its authorized official.

NPPES Registry Identity

NPI1316850563

Entity TypeOrganization

Primary Taxonomy261QM0801X

Legal Business NameNORTHLINE PSYCHIATRY PLLC

Location Address170 FLANDERS RD STE B1Niantic, CT 06357-1211

Mailing Address170 Flanders Rd Ste B1Niantic, CT 06357-1211 · (860) 385-6547 · Fax (860) 807-1613

Phone(860) 385-6547

Fax(860) 807-1613

Organization SubpartNo

Authorized OfficialTuvia BreuerPresident · (860) 385-6547

Enumeration DateSeptember 28, 2026

NPPES CertifiedSeptember 27, 2026

✔ NPI 1316850563 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Mental Health (Including Community Mental Health Center)Ambulatory Health Care Facilities

Taxonomy Code261QM0801X

170 FLANDERS RD STE B1, Niantic, CT 06357

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Other Names 1

Doing Business AsNorthline Psychiatry

Other Providers at the Same Location NPPES

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

MS. DIANE GUARDIANI PMHNP (APRN)

Nurse Practitioner (Psychiatric/Mental Health)

170 FLANDERS RD STE B1
NIANTIC, CT 06357

Southeastern Connecticut Planning Region (860) 385-6547

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 Northline Psychiatry PLLC's NPI number?

The NPI number for Northline Psychiatry PLLC is 1316850563. It was assigned to this organization in the NPPES registry on September 28, 2026. The provider is doing business as Northline Psychiatry.

Where is Northline Psychiatry PLLC located?

Northline Psychiatry PLLC is located at 170 Flanders Rd Ste B1, Niantic, CT 06357. The listed phone number is (860) 385-6547.

What is Northline Psychiatry PLLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Mental Health (Including Community Mental Health Center), with taxonomy code 261QM0801X.

When was this NPI record last updated?

The NPPES record for Northline Psychiatry PLLC was last updated on September 28, 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.