Richard Leigh Duvall, PH.D

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

1147 Issued in CT

Practice address

155 Sycamore St Ste C
Glastonbury, CT 06033-4548

Phone

(860) 633-9491

NPI assigned

Mar 4, 2007

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, 1983

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

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.

• Richard L. Duvall, PH.D, LLC

  • Clinical Psychologist
  • Glastonbury, CT
  • NPI 1447389762
  Medicare reassignment NPD Authorized official

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

{
    "created_epoch": "1172966400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762473600000",
    "number": "1407985716",
    "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": {
        "last_name": "DUVALL",
        "first_name": "RICHARD",
        "middle_name": "LEIGH",
        "name_prefix": "Dr.",
        "credential": "PH.D",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-03-04",
        "last_updated": "2025-11-07",
        "certification_date": "2025-11-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "106H00000X",
            "taxonomy_group": "",
            "desc": "Marriage & Family Therapist",
            "state": "CT",
            "license": "593",
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "CT",
            "license": "1147",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Alex G. Dukas, M.D.
• Roxanne Dunwoody, PT, CHT
• Sheila Renee Dupuis, PSY.D.
• Timothy Lindsay Durant, MSPT
• Kacey Evelyn Dutton
• Jill Erika Dworkin, BCHN
• Karen Dworski, L.C.S.W.
• Jaclyn Dylewski, RD
• Eastoak Medical Supply LLC
• Eileen Echevarria, MS

• 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 Nov 7, 2025; 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.