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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.

ATREEF THERAPY, PLLC
NPI 1609752211
Counselor in Cambridge, MA

Active since August 12, 2025
100 LANDSDOWNE ST APT 1810, CAMBRIDGE, MA 02139(617) 906-6767(617) 693-6040 Get Directions Write a Review

NPPES record last updated: August 6, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 6, 2026, Aug 12, 2025 (2 updates tracked since 2025).

About Atreef Therapy, Pllc NPPES

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

ATREEF THERAPY, PLLC (NPI 1609752211) is a healthcare organization registered as a counselor in Cambridge, Massachusetts and active in the NPI registry since August 2025. The organization lists Ehsan Adib Shabahang, Owner And Therapist, as its authorized official.

NPPES Registry Identity

NPI1609752211
Entity TypeOrganization
Primary Taxonomy101Y00000X
Legal Business NameATREEF THERAPY, PLLC
Location Address100 LANDSDOWNE ST APT 1810Cambridge, MA 02139-4247
Mailing Address68 Harrison Ave, Ste 605 Pmb 866561Boston, MA 02111 · (617) 906-6767 · Fax (617) 693-6040
Phone(617) 906-6767
Fax(617) 693-6040
Organization SubpartNo
Authorized OfficialEhsan Adib ShabahangOwner And Therapist · (617) 906-6767
Enumeration DateAugust 12, 2025
Last NPPES UpdateAugust 6, 20262 updates tracked since enumeration
NPPES CertifiedAugust 6, 2026
✔ NPI 1609752211 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.
100 LANDSDOWNE ST APT 1810, Cambridge, MA 02139
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Other Identifiers 1

Other1720739824Type 1 Npi

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

Other Providers at the Same Location NPPES

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

DR. EHSAN ADIB SHABAHANG PHD, LMHC, NCC
Counselor
100 LANDSDOWNE ST APT 1810
CAMBRIDGE, MA 02139
Middlesex County (617) 906-6767

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 Atreef Therapy, PLLC's NPI number?

The NPI number for Atreef Therapy, PLLC is 1609752211. It was assigned to this organization in the NPPES registry on August 12, 2025.

Where is Atreef Therapy, PLLC located?

Atreef Therapy, PLLC is located at 100 Landsdowne St Apt 1810, Cambridge, MA 02139. The listed phone number is (617) 906-6767.

What is Atreef Therapy, PLLC'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 Atreef Therapy, PLLC was last updated on August 6, 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.