Doctor profile · Federal record

Dr. James Nguyen, PH.D.

Clinical Psychologist · Denver, CO

  • NPI 1912089038
  • Accepts Medicare
  • 19 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
190 E 9Th Ave Ste 350
Denver, CO 802032738
(720) 449-2499
fax (720) 634-0719

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 13, 2022
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
103TC0700X — NUCC code
State license (1)
Colorado #3334

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912089038. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
198
Distinct HCPCS
5
Medicare allowed
$14,530
HCPCS Description Services Patients Avg allowed
96137 Administration of psychological or neuropsychological test, each additional 30 minutes 102 12 $40
96133 Evaluation of neuropsychological test, each additional hour 44 11 $99
96132 Evaluation of neuropsychological test, first hour 24 13 $123
90791 Psychiatric diagnostic evaluation 16 16 $165
96136 Administration of psychological or neuropsychological test, first 30 minutes 12 12 $43

In context: peer comparison

Among 8 peers in this city , average services per provider: 105. This provider delivers 1.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. James Nguyen's medical specialty?
Dr. James Nguyen practices Clinical Psychologist in Denver, CO.
Where does Dr. James Nguyen practice?
Dr. James Nguyen practices at 190 E 9Th Ave Ste 350, Denver, CO 802032738. Office phone: 7204492499.
What is Dr. James Nguyen's NPI?
Dr. James Nguyen's National Provider Identifier (NPI) is 1912089038, issued by NPPES.
Does Dr. James Nguyen accept Medicare assignment?
Yes. Dr. James Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Administration of psychological or neuropsychological test (HCPCS 96137); Evaluation of neuropsychological test, each additional hour (HCPCS 96133); Evaluation of neuropsychological test, first hour (HCPCS 96132). Source: CMS Medicare Physician & Other Practitioners file.