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

GREEN VALLEY PSYCHOTHERAPY PLLC
NPI 1598677023
Psychologist - Clinical in Harvard, MA

Active since September 21, 2026
133 LITTLETON RD, HARVARD, MA 01451(508) 826-5926(978) 456-8474 Get Directions Write a Review

NPPES record added: September 21, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

About Green Valley Psychotherapy Pllc NPPES

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

GREEN VALLEY PSYCHOTHERAPY PLLC (NPI 1598677023) is a healthcare organization registered as a clinical in Harvard, Massachusetts and active in the NPI registry since September 2026. The organization lists Yheodore M Jasnos, Sole Owner, as its authorized official.

NPPES Registry Identity

NPI1598677023
Entity TypeOrganization
Primary Taxonomy103TC0700X
Legal Business NameGREEN VALLEY PSYCHOTHERAPY PLLC
Location Address133 LITTLETON RDHarvard, MA 01451-1430
Mailing Address133 Littleton RdHarvard, MA 01451-1430 · (508) 826-5926 · Fax (978) 456-8474
Phone(508) 826-5926
Fax(978) 456-8474
Organization SubpartNo
Authorized OfficialYheodore M JasnosSole Owner · (508) 826-5926
Enumeration DateSeptember 21, 2026
NPPES CertifiedSeptember 20, 2026
✔ NPI 1598677023 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
133 LITTLETON RD, Harvard, MA 01451
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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

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 Green Valley Psychotherapy PLLC's NPI number?

The NPI number for Green Valley Psychotherapy PLLC is 1598677023. It was assigned to this organization in the NPPES registry on September 21, 2026.

Where is Green Valley Psychotherapy PLLC located?

Green Valley Psychotherapy PLLC is located at 133 Littleton Rd, Harvard, MA 01451. The listed phone number is (508) 826-5926.

What is Green Valley Psychotherapy PLLC's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Green Valley Psychotherapy PLLC was last updated on September 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.