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

KATHERINE O'HARA LCSW
NPI 1801708581
Social Worker - Clinical in Cambridge, MA

Active since September 18, 2026
675 MASSACHUSETTS AVE, CAMBRIDGE, MA 02139(617) 639-5491 Get Directions Write a Review

NPPES record added: September 18, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

About Katherine O'hara Lcsw NPPES

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

KATHERINE O'HARA LCSW (NPI 1801708581) is an individual clinical provider in Cambridge, Massachusetts, licensed in Massachusetts (230751) and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1801708581
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameKATHERINE O'HARACredential: LCSW
Location Address675 MASSACHUSETTS AVECambridge, MA 02139-3309
Mailing Address1 Nashua St Apt 2105Boston, MA 02114-1620
Sole ProprietorNo
Enumeration DateSeptember 18, 2026
NPPES CertifiedSeptember 18, 2026
✔ NPI 1801708581 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in MA · 230751
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
675 MASSACHUSETTS AVE, Cambridge, MA 02139

Other Providers at the Same Location NPPES 10

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

Counselor (Mental Health)
675 MASSACHUSETTS AVE
CAMBRIDGE, MA 02139
Social Worker (Clinical)
675 MASSACHUSETTS AVE
CAMBRIDGE, MA 02139
Social Worker (Clinical)
675 MASSACHUSETTS AVE
CAMBRIDGE, MA 02139
Clinic/Center (Physical Therapy)
675 MASSACHUSETTS AVE
CAMBRIDGE, MA 02139
Social Worker (Clinical)
675 MASSACHUSETTS AVE
CAMBRIDGE, MA 02139
Marriage & Family Therapist
675 MASSACHUSETTS AVE
CAMBRIDGE, MA 02139
Psychologist (Clinical)
675 MASSACHUSETTS AVE, 11TH FLOOR
CAMBRIDGE, MA 02139
Counselor (Mental Health)
675 MASSACHUSETTS AVE, FLOOR 11, PSYCHOTHERAPY SUITE
CAMBRIDGE, MA 02139

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 Katherine O'hara's NPI number?

The NPI number for Katherine O'hara is 1801708581. It was assigned to this individual provider in the NPPES registry on September 18, 2026.

Where is Katherine O'hara located?

Katherine O'hara practices at 675 Massachusetts Ave, Cambridge, MA 02139. The listed phone number is (617) 639-5491.

What is Katherine O'hara's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Katherine O'hara was last updated on September 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 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.