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TESS O'BRIEN
NPI 1790572543
Counselor - Mental Health in Concord, MA

Active since April 24, 2025
9 POND LN STE 4D, CONCORD, MA 01742(978) 369-0400 Get Directions Write a Review

NPPES record last updated: April 24, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Tess O'brien NPPES

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

TESS O'BRIEN (NPI 1790572543) is an individual mental health provider in Concord, Massachusetts and active in the NPI registry since April 2025.

NPPES Registry Identity

NPI1790572543
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameTESS O'BRIEN
Location Address9 POND LN STE 4DConcord, MA 01742-2842
Mailing Address9 Pond Ln Ste 4dConcord, MA 01742-2842 · (978) 369-0400
Phone(978) 369-0400
Sole ProprietorNo
Enumeration DateApril 24, 2025
NPPES CertifiedApril 24, 2025
✔ NPI 1790572543 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
9 POND LN STE 4D, Concord, MA 01742
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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.

TESSA KELAN SPEAKS
Counselor (Mental Health)
9 POND LN STE 4D
CONCORD, MA 01742
Middlesex County (203) 400-9822
DANIEL SCHULER
Counselor (Mental Health)
9 POND LN STE 4D
CONCORD, MA 01742
Middlesex County (978) 759-5185

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 Tess O'brien's NPI number?

The NPI number for Tess O'brien is 1790572543. It was assigned to this individual provider in the NPPES registry on April 24, 2025.

Where is Tess O'brien located?

Tess O'brien practices at 9 Pond Ln Ste 4D, Concord, MA 01742. The listed phone number is (978) 369-0400.

What is Tess 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 Tess O'brien was last updated on April 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.