Doctor profile · Federal record

Dr. Gregg D'Angelo, PHD

Clinical Neuropsychologist (CMS: Clinical Psychologist) · Dallas, TX

  • NPI 1598776593
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11882 Greenville Ave Ste 121
Dallas, TX 752433567
(972) 424-9212
fax (972) 509-1450

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
September 17, 2014
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
103G00000X — NUCC code
State license (1)
Texas #24947
Medicaid
TX #0310641 02

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598776593. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
520
Distinct HCPCS
7
Medicare allowed
$34,190
HCPCS Description Services Patients Avg allowed
96139 Administration of psychological or neuropsychological test by technician, each additional 30 minutes 283 43 $35
96133 Evaluation of neuropsychological test, each additional hour 83 42 $99
96132 Evaluation of neuropsychological test, first hour 43 43 $128
96138 Administration of psychological or neuropsychological test by technician, first 30 minutes 43 43 $34
90791 Psychiatric diagnostic evaluation 32 32 $174
90834 Psychotherapy, 45 minutes 23 23 $99
96116 Exam of neurobehavioral status, first hour 13 13 $92

In context: peer comparison

Among 13 peers in this city , average services per provider: 143. This provider delivers 3.6× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregg D'Angelo's medical specialty?
Dr. Gregg D'Angelo practices Clinical Neuropsychologist in Dallas, TX.
Where does Dr. Gregg D'Angelo practice?
Dr. Gregg D'Angelo practices at 11882 Greenville Ave Ste 121, Dallas, TX 752433567. Office phone: 9724249212.
What is Dr. Gregg D'Angelo's NPI?
Dr. Gregg D'Angelo's National Provider Identifier (NPI) is 1598776593, issued by NPPES.
Does Dr. Gregg D'Angelo accept Medicare assignment?
Yes. Dr. Gregg D'Angelo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregg D'Angelo commonly perform?
Top Medicare-reported procedures in 2023: Administration of psychological or neuropsychological test by technician (HCPCS 96139); Evaluation of neuropsychological test, each additional hour (HCPCS 96133); Evaluation of neuropsychological test, first hour (HCPCS 96132). Source: CMS Medicare Physician & Other Practitioners file.