1. Home
  2. Directory
  3. Massachusetts
  4. Quincy
  5. Counselor
  6. NPI Profile

TAMMI MARIE O'BRIEN LSW/LSWA
NPI 1659919876
Counselor - Mental Health in Quincy, MA

Active since December 18, 2019
61 TOWN HILL ST, QUINCY, MA 02169(781) 363-5432 Get Directions Write a Review

NPPES record last updated: April 21, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 21, 2026, Dec 18, 2019 (2 updates tracked since 2019).

About Tammi Marie O'brien Lsw/lswa NPPES

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

TAMMI MARIE O'BRIEN LSW/LSWA (NPI 1659919876) is an individual mental health provider in Quincy, Massachusetts, licensed in Massachusetts (3060310) and active in the NPI registry since December 2019.

NPPES Registry Identity

NPI1659919876
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameTAMMI MARIE O'BRIENCredential: LSW/LSWA
Location Address61 TOWN HILL STQuincy, MA 02169-6429
Mailing Address1233 Main StHolyoke, MA 01040-5381 · (413) 701-2600
Phone(781) 363-5432
Sole ProprietorNo
Enumeration DateDecember 18, 2019
Last NPPES UpdateApril 21, 20262 updates tracked since enumeration
NPPES CertifiedApril 21, 2026
✔ NPI 1659919876 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
Licenses✔ Licensed in MA · 3060310✔ Licensed in MA · 415863
61 TOWN HILL ST, Quincy, MA 02169
Open in Google Maps ↗

Other Providers at the Same Location NPPES 2

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

HAOYAN LIN LMHC
Counselor
61 TOWN HILL ST
QUINCY, MA 02169
Norfolk County (413) 238-1408
RESILIENT CARE THERAPY LLC
Counselor (Mental Health)
61 TOWN HILL ST
QUINCY, MA 02169
Norfolk County (781) 363-5432

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 Tammi O'brien's NPI number?

The NPI number for Tammi O'brien is 1659919876. It was assigned to this individual provider in the NPPES registry on December 18, 2019.

Where is Tammi O'brien located?

Tammi O'brien practices at 61 Town Hill St, Quincy, MA 02169. The listed phone number is (781) 363-5432.

What is Tammi O'brien's specialty?

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

When was this NPI record last updated?

The NPPES record for Tammi O'brien was last updated on April 21, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.