Doctor profile · Federal record

Dr. Richard Duvall, PH.D

Clinical Psychologist · Marriage & Family Therapist · Glastonbury, CT

  • NPI 1407985716
  • Accepts Medicare
  • 43 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
155 Sycamore St Ste C
Glastonbury, CT 060334548
(860) 633-9491

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
November 7, 2025
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
103TC0700X — NUCC code
State licenses (2)
Connecticut #1147 · Connecticut #593

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407985716. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
234
Distinct HCPCS
1
Medicare allowed
$35,275
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 234 14 $151

In context: peer comparison

Among 4 peers in this city , average services per provider: 206. This provider delivers 1.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Richard Duvall's medical specialty?
Dr. Richard Duvall practices Clinical Psychologist in Glastonbury, CT.
Where does Dr. Richard Duvall practice?
Dr. Richard Duvall practices at 155 Sycamore St Ste C, Glastonbury, CT 060334548. Office phone: 8606339491.
What is Dr. Richard Duvall's NPI?
Dr. Richard Duvall's National Provider Identifier (NPI) is 1407985716, issued by NPPES.
Does Dr. Richard Duvall accept Medicare assignment?
Yes. Dr. Richard Duvall accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Richard Duvall commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.