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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

BRENNAN BEHAVIORAL HEALTH, INC
NPI 1881281319
Counselor - Mental Health in Plymouth, MA

Active since December 30, 2020
4 SOUTH ST, PLYMOUTH, MA 02360(774) 451-3453 Get Directions Write a Review

NPPES record last updated: September 6, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Sep 6, 2026, Dec 30, 2020 (2 updates tracked since 2020).

About Brennan Behavioral Health, Inc NPPES

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

BRENNAN BEHAVIORAL HEALTH, INC (NPI 1881281319), doing business as Mayflower Mental Health, is a healthcare organization registered as a mental health in Plymouth, Massachusetts and active in the NPI registry since December 2020. The organization maintains a secondary practice location in Carver and lists Melissa Brennan, President, as its authorized official.

NPPES Registry Identity

NPI1881281319
Entity TypeOrganization
Primary Taxonomy101YM0800X
Legal Business NameBRENNAN BEHAVIORAL HEALTH, INC
Location Address4 SOUTH STPlymouth, MA 02360-2956
Mailing Address4 South StPlymouth, MA 02360-2956 · (774) 451-3453
Phone(774) 451-3453
Organization SubpartNo
Authorized OfficialMelissa BrennanPresident · (774) 451-3453
Enumeration DateDecember 30, 2020
Last NPPES UpdateSeptember 6, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 6, 2026
✔ NPI 1881281319 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
4 SOUTH ST, Plymouth, MA 02360
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Other Names 1

Doing Business AsMayflower Mental Health

Secondary Practice Location 1

Location 13 Carver Square Blvd Fl 2Carver, MA 02330-1200 · Phone (774) 451-3453 · Fax (508) 747-1402

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

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 Brennan Behavioral Health, Inc's NPI number?

The NPI number for Brennan Behavioral Health, Inc is 1881281319. It was assigned to this organization in the NPPES registry on December 30, 2020. The provider is doing business as Mayflower Mental Health.

Where is Brennan Behavioral Health, Inc located?

Brennan Behavioral Health, Inc is located at 4 South St, Plymouth, MA 02360. The listed phone number is (774) 451-3453.

What is Brennan Behavioral Health, Inc's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

What insurance does Brennan Behavioral Health, Inc accept?

Health plans from Anthem Blue Cross and Blue Shield list Brennan Behavioral Health, Inc as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Brennan Behavioral Health, Inc was last updated on September 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.