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RICHARD L. DUVALL, PH.D, LLC
NPI 1447389762
Psychologist - Clinical in Glastonbury, CT

Active since March 04, 2007
155 SYCAMORE ST STE C, GLASTONBURY, CT 06033(860) 633-9491 Get Directions Write a Review

NPPES record last updated: February 27, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 23, 2026, Aug 22, 2020 (2 updates tracked since 2020).

About Richard L. Duvall, Ph.d, Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RICHARD L. DUVALL, PH.D, LLC (NPI 1447389762) is a healthcare organization registered as a clinical in Glastonbury, Connecticut and active in the NPI registry since March 2007. The organization lists Richard Leigh Duvall, Owner, as its authorized official.

NPPES Registry Identity

NPI1447389762
Entity TypeOrganization
Primary Taxonomy103TC0700X
Legal Business NameRICHARD L. DUVALL, PH.D, LLC
Location Address155 SYCAMORE ST STE CGlastonbury, CT 06033-4548
Mailing Address155 Sycamore St Ste CGlastonbury, CT 06033-4548 · (860) 633-9491
Phone(860) 633-9491
Organization SubpartNo
Authorized OfficialRichard Leigh DuvallOwner · (860) 633-9491
Enumeration DateMarch 4, 2007
Last NPPES UpdateFebruary 27, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 27, 2026
✔ NPI 1447389762 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in CT · 1147
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
155 SYCAMORE ST STE C, Glastonbury, CT 06033
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. RICHARD LEIGH DUVALL PH.D
Psychologist (Clinical)
155 SYCAMORE ST STE C
GLASTONBURY, CT 06033
Capitol Planning Region (860) 633-9491

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Richard L. Duvall, Ph.D, LLC's NPI number?

The NPI number for Richard L. Duvall, Ph.D, LLC is 1447389762. It was assigned to this organization in the NPPES registry on March 4, 2007.

Where is Richard L. Duvall, Ph.D, LLC located?

Richard L. Duvall, Ph.D, LLC is located at 155 Sycamore St Ste C, Glastonbury, CT 06033. The listed phone number is (860) 633-9491.

What is Richard L. Duvall, Ph.D, LLC's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Richard L. Duvall, Ph.D, LLC was last updated on February 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.