Richard L. Duvall, PH.D, LLC

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

1147 Issued in CT

Legal business name

RICHARD L. DUVALL, PH.D, LLC

Practice address

155 Sycamore St Ste C
Glastonbury, CT 06033-4548

Phone

(860) 633-9491

NPI assigned

Mar 4, 2007

Organization subpart

No

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

Authorized official

Name

Dr. Richard Leigh Duvall, PH.DNPI 1407985716

Title

Owner

Phone

(860) 633-9491

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CT

Enrollment records 1

Locations

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Richard Leigh Duvall, PH.D

  • Clinical Psychologist
  • Glastonbury, CT
  • NPI 1407985716
  Medicare reassignment NPD Authorized official

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

{
    "created_epoch": "1172966400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1772150400000",
    "number": "1447389762",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "155 SYCAMORE ST STE C",
            "city": "GLASTONBURY",
            "state": "CT",
            "postal_code": "060334548",
            "telephone_number": "860-633-9491"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "155 SYCAMORE ST STE C",
            "city": "GLASTONBURY",
            "state": "CT",
            "postal_code": "060334548",
            "telephone_number": "860-633-9491"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "RICHARD L. DUVALL, PH.D, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-03-04",
        "last_updated": "2026-02-27",
        "certification_date": "2026-02-27",
        "status": "A",
        "authorized_official_last_name": "DUVALL",
        "authorized_official_first_name": "RICHARD",
        "authorized_official_middle_name": "LEIGH",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "860-633-9491",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "PH.D"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Psychologist, Clinical",
            "state": "CT",
            "license": "1147",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Clinical Psychologist in Glastonbury, CT
• Providers in Glastonbury, CT by specialty
• Clinical Psychologist in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 27, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.