Organization Active NPI

Green Valley Psychotherapy PLLC

  • Clinical Psychologist
  • Harvard, MA
National Provider Identifier
1598677023
Registry record updated Sep 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical PsychologistTaxonomy code 103TC0700X
Legal business name
GREEN VALLEY PSYCHOTHERAPY PLLC
Practice address
133 Littleton Rd
Harvard, MA 01451-1430
Phone
(508) 826-5926
Fax
(978) 456-8474
NPI assigned
Sep 21, 2026
Last updated
Sep 21, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 21, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Yheodore M Jasnos, PHD
Title
Sole Owner
Phone
(508) 826-5926

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Psychologist 103TC0700X Primary

Addresses

Primary practice location

133 Littleton Rd
Harvard, MA 01451-1430

Mailing address

133 Littleton Rd
Harvard, MA 01451-1430
Phone (508) 826-5926

National Provider Directory

National Provider Directory

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1789948800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1789948800000",
    "number": "1598677023",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "133 LITTLETON RD",
            "city": "HARVARD",
            "state": "MA",
            "postal_code": "014511430",
            "telephone_number": "508-826-5926",
            "fax_number": "978-456-8474"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "133 LITTLETON RD",
            "city": "HARVARD",
            "state": "MA",
            "postal_code": "014511430",
            "telephone_number": "508-826-5926",
            "fax_number": "978-456-8474"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "GREEN VALLEY PSYCHOTHERAPY PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-09-21",
        "last_updated": "2026-09-21",
        "certification_date": "2026-09-20",
        "status": "A",
        "authorized_official_last_name": "JASNOS",
        "authorized_official_first_name": "YHEODORE",
        "authorized_official_middle_name": "M",
        "authorized_official_title_or_position": "SOLE OWNER",
        "authorized_official_telephone_number": "508-826-5926",
        "authorized_official_credential": "PHD"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Harvard, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 21, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.