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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.

ARIANNA O'BRIEN
NPI 1205662095
Counselor in Pittsfield, MA

Active since September 10, 2024
66 WEST ST, PITTSFIELD, MA 01201(413) 770-2666 Get Directions Write a Review

NPPES record last updated: September 22, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

About Arianna O'brien NPPES

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

ARIANNA O'BRIEN (NPI 1205662095) is an individual counselor in Pittsfield, Massachusetts and active in the NPI registry since September 2024.

NPPES Registry Identity

NPI1205662095
Entity TypeIndividualFemale
Primary Taxonomy101Y00000X
Provider Legal NameARIANNA O'BRIEN
Location Address66 WEST STPittsfield, MA 01201-5861
Mailing Address66 West StPittsfield, MA 01201-5861
Phone(413) 770-2666
Sole ProprietorNo
Enumeration DateSeptember 10, 2024
Last NPPES UpdateSeptember 22, 2026
NPPES CertifiedSeptember 22, 2026
✔ NPI 1205662095 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselorBehavioral Health & Social Service Providers
Taxonomy Code101Y00000X
Definition
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.
66 WEST ST, Pittsfield, MA 01201
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Other Providers at the Same Location NPPES 14

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

ASHLEY JANE WREN
Social Worker (Clinical)
66 WEST ST
PITTSFIELD, MA 01201
Berkshire County (413) 629-1198
MRS. BRIANA E HIGGINS MSW, LCSW
Social Worker (Clinical)
66 WEST ST
PITTSFIELD, MA 01201
Berkshire County (413) 343-4264
MS. MEAGAN PARKER LICSW
Social Worker (Clinical)
66 WEST ST
PITTSFIELD, MA 01201
Berkshire County (413) 629-1090
BERTEL JOSEPH MCELRATH MA
Counselor (Mental Health)
66 WEST ST
PITTSFIELD, MA 01201
Berkshire County (413) 343-4264
KATINKA CANNING
Counselor
66 WEST ST
PITTSFIELD, MA 01201
Berkshire County (413) 499-0412
COURTNEY BOLEN MSW
Social Worker
66 WEST ST
PITTSFIELD, MA 01201
Berkshire County (413) 629-1070
MELISSA MURRAY
Social Worker
66 WEST ST
PITTSFIELD, MA 01201
Berkshire County (413) 441-7593
EMILY MARIE BADGER
Social Worker (Clinical)
66 WEST ST
PITTSFIELD, MA 01201
Berkshire County (781) 572-8727

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 Arianna O'brien's NPI number?

The NPI number for Arianna O'brien is 1205662095. It was assigned to this individual provider in the NPPES registry on September 10, 2024.

Where is Arianna O'brien located?

Arianna O'brien practices at 66 West St, Pittsfield, MA 01201. The listed phone number is (413) 770-2666.

What is Arianna O'brien's specialty?

The primary specialty registered for this NPI is Counselor with taxonomy code 101Y00000X.

When was this NPI record last updated?

The NPPES record for Arianna O'brien was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.