Active NPI
Green Valley Psychotherapy PLLC
- Clinical Psychologist
- Harvard, MA
National Provider Identifier
1598677023
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Psychologist
- 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, 2026
- Organization subpart
- No
NPPES NPI Registry
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) | Code | License | State | Primary |
|---|---|---|---|---|
| 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 DirectoryPractitioners & 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.