Individual provider Active NPI

Raymond Brenton Guillette, LICSW

  • Clinical Social Worker
  • Greenfield, MA
National Provider Identifier
1487256160
Registry record updated Feb 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
LICSW1130913 Issued in MA
Practice address
329 Conway St
Greenfield, MA 01301-1521
Phone
(413) 774-6301
Fax
(866) 644-0871
NPI assigned
Nov 9, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 3, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X LICSW1130913 MA Primary

Addresses

Primary practice location

329 Conway St
Greenfield, MA 01301-1521

Mailing address

329 Conway St
Greenfield, MA 01301-1521
Phone (413) 774-6301

Other practice location 1

238 Northampton St
Easthampton, MA 01027-1046
Phone (413) 529-9300

Other practice location 2

70 Main St
Florence, MA 01062-1487
Phone (413) 586-8400

Other practice location 3

31 Hall Dr Ste 1
Amherst, MA 01002-2754
Phone (413) 256-8561

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: No
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20220112001170 MA Practitioner - Clinical Social Worker 1052703626 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Clinical Social Worker
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Valley Medical Group PCGroup PAC ID 2365348851, 106 clinicians

Practice addresses (Care Compare)

329 Conway St
Greenfield, MA 01301-1521
Phone (413) 774-6301

73 Russell Rd
Huntington, MA 01050-9777
Phone (413) 667-3009

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
LICSW1130913MAMDClinical Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Valley Medical Group, P.C. Clinical CurrentSince Oct 1, 2025 Accepting new patients
Hilltown Community Health Centers, Inc. CurrentSince Jan 3, 2022 Accepting new patients
Valley Medical Group, P.C. CurrentSince Oct 1, 2025 Accepting new patients
Hilltown Community Health Centers, Inc. CurrentSince Jan 3, 2022 Accepting new patients

Locations

31 Hall Dr
Amherst, MA 01002
Phone (413) 256-8561

31 Hall Dr
Ste 1
Amherst, MA 01002
Phone (413) 256-8561

238 Northampton St
Easthampton, MA 01027
Phone (413) 529-9300

329 Conway St
Greenfield, MA 01301
Phone (413) 774-6301

70 Main St
Northampton, MA 01062
Phone (413) 586-8400

58 Old North Rd
Worthington, MA 01098
Phone (413) 238-5511

Organizations & group practices 4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1604880000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770076800000",
    "number": "1487256160",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "329 CONWAY ST",
            "city": "GREENFIELD",
            "state": "MA",
            "postal_code": "013011521",
            "telephone_number": "413-774-6301",
            "fax_number": "866-644-0871"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "329 CONWAY ST",
            "city": "GREENFIELD",
            "state": "MA",
            "postal_code": "013011521",
            "telephone_number": "413-774-6301",
            "fax_number": "866-644-0871"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "238 Northampton St",
            "address_purpose": "LOCATION",
            "city": "Easthampton",
            "state": "MA",
            "postal_code": "010271046",
            "country_code": "US",
            "telephone_number": "413-529-9300",
            "fax_number": "866-644-0870",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "70 Main St",
            "address_purpose": "LOCATION",
            "city": "Florence",
            "state": "MA",
            "postal_code": "010621487",
            "country_code": "US",
            "telephone_number": "413-586-8400",
            "fax_number": "866-644-0872",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "31 Hall Dr Ste 1",
            "address_purpose": "LOCATION",
            "city": "Amherst",
            "state": "MA",
            "postal_code": "010022754",
            "country_code": "US",
            "telephone_number": "413-256-8561",
            "fax_number": "866-644-0869",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GUILLETTE",
        "first_name": "RAYMOND",
        "middle_name": "BRENTON",
        "credential": "LICSW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-11-09",
        "last_updated": "2026-02-03",
        "certification_date": "2026-02-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MA",
            "license": "LICSW1130913",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Greenfield, MA

Sources for this page

Verify at the official NPI Registry.