Doctor profile · Federal record

Dr. Roy Gilliland, PHD

Clinical Neuropsychologist (CMS: Clinical Psychologist) · Psychologist · Orland Park, IL

  • NPI 1295700680
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
15040 Ravinia Ave Suite 44
Orland Park, IL 60462
(708) 857-1221
fax (708) 614-7001
Mailing address
Po Box 1111
Tinley Park, IL 60477

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
September 11, 2025
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
103G00000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295700680. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
581
Distinct HCPCS
5
Medicare allowed
$34,698
HCPCS Description Services Patients Avg allowed
96137 Administration of psychological or neuropsychological test, each additional 30 minutes 366 54 $40
96132 Evaluation of neuropsychological test, first hour 54 54 $133
96133 Evaluation of neuropsychological test, each additional hour 54 54 $100
96136 Administration of psychological or neuropsychological test, first 30 minutes 54 54 $44
96116 Exam of neurobehavioral status, first hour 53 53 $95

In context: peer comparison

Among 1 peers in Orland Park Clinical Neuropsychologist, average services per provider: 116. This provider delivers 5.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Roy Gilliland's medical specialty?
Dr. Roy Gilliland practices Clinical Neuropsychologist in Orland Park, IL.
Where does Dr. Roy Gilliland practice?
Dr. Roy Gilliland practices at 15040 Ravinia Ave Suite 44, Orland Park, IL 60462. Office phone: 7088571221.
What is Dr. Roy Gilliland's NPI?
Dr. Roy Gilliland's National Provider Identifier (NPI) is 1295700680, issued by NPPES.
Does Dr. Roy Gilliland accept Medicare assignment?
Yes. Dr. Roy Gilliland accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Roy Gilliland commonly perform?
Top Medicare-reported procedures in 2023: Administration of psychological or neuropsychological test (HCPCS 96137); Evaluation of neuropsychological test, first hour (HCPCS 96132); Evaluation of neuropsychological test, each additional hour (HCPCS 96133). Source: CMS Medicare Physician & Other Practitioners file.