Jeffrey Jay Gaines, PH.D.

Primary specialty

Clinical NeuropsychologistTaxonomy code 103G00000X

License

3141 Issued in CT

Practice address

50 Elm St
Suite 6
Worcester, MA 01609-2574

Phone

(617) 223-1563

NPI assigned

Jul 18, 2006

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in CT

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

Specialty

Clinical Psychologist

Education

Other, 2001

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Gaylord Hospital, Inc.Group PAC ID 1153224191, 39 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Gaylord Hospital Inc Long-term care hospital, Wallingford, CT, CCN 072003

Merit-based Incentive Payment System (MIPS)

Final score

82.25 of 100Reported as group

Quality

63.07

Improvement activities

40

Cost

77.51

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

State licenses

Practice roles

Locations

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.

• Gaylord Hospital, Inc.

  • Long Term Care Hospital
  • Wallingford, CT
  • NPI 1730137753
  Medicare reassignment Care Compare group NPD
• Metrowest Neuropsychology, LLC

  • Clinical Neuropsychologist
  • Westborough, MA
  • NPI 1366792202
  NPD (past) Authorized official
• University of Massachusetts

  • Professional Counselor
  • Worcester, MA
  • NPI 1477618957
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Gaylord Hospital, Inc.

  • Long Term Care Hospital
  • Wallingford, CT
  • NPI 1730137753

  Long-term care hospital

  Care Compare affiliation

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

{
    "created_epoch": "1153180800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785283200000",
    "number": "1396764692",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "50 GAYLORD FARM RD",
            "city": "WALLINGFORD",
            "state": "CT",
            "postal_code": "064922899",
            "telephone_number": "203-284-2800"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "50 ELM ST",
            "address_2": "SUITE 6",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016092574",
            "telephone_number": "617-223-1563"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "50 Gaylord Farm Rd",
            "address_purpose": "LOCATION",
            "city": "Wallingford",
            "state": "CT",
            "postal_code": "064922899",
            "country_code": "US",
            "telephone_number": "203-284-2800",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GAINES",
        "first_name": "JEFFREY",
        "middle_name": "JAY",
        "name_prefix": "Dr.",
        "credential": "PH.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-07-18",
        "last_updated": "2026-07-29",
        "certification_date": "2026-07-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103G00000X",
            "taxonomy_group": "",
            "desc": "Clinical Neuropsychologist",
            "state": "MA",
            "license": "8264",
            "primary": false
        },
        {
            "code": "103G00000X",
            "taxonomy_group": "",
            "desc": "Clinical Neuropsychologist",
            "state": "CT",
            "license": "3141",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jennifer Gagnon
• Lisa A. Gagnon, MSW,LICSW
• Tanner Gagnon
• Lisa Catherine Gaimari, NP
• Zoey Gain
• Malcom Gaines
• Kathyuska Gaitan
• Eoin Becan Gaj, MD
• Megan Lynn Gajewski, CNP
• Diana Carolina Galan, BA

• Clinical Neuropsychologist in Worcester, MA
• Providers in Worcester, MA by specialty
• Clinical Neuropsychologist in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 29, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.