Doctor profile · Federal record

Dr. Glen Greenberg, PHD

Clinical Neuropsychologist (CMS: Clinical Psychologist) · Clinical Neuropsychologist · Clinical Psychologist · Clinical Psychologist · Newark, DE

  • NPI 1336119346
  • Accepts Medicare
  • 40 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
774 Christiana RD Ste 201A
Newark, DE 197134221
(610) 566-0501
fax (610) 566-0502
Mailing address
Po Box 594
Westtown, PA 193950594

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
April 30, 2018
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
103G00000X — NUCC code
State licenses (2)
Delaware #B1 0000441 · Pennsylvania #PS 004797-L
Medicaid (2)
PA #001187272003 · DE #1000033037

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336119346. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,354
Distinct HCPCS
6
Medicare allowed
$88,634
HCPCS Description Services Patients Avg allowed
96137 Administration of psychological or neuropsychological test, each additional 30 minutes 684 76 $39
96133 Evaluation of neuropsychological test, each additional hour 380 76 $98
96132 Evaluation of neuropsychological test, first hour 79 76 $129
96136 Administration of psychological or neuropsychological test, first 30 minutes 76 76 $42
96116 Exam of neurobehavioral status, first hour 73 73 $92
96121 Exam of neurobehavioral status, each additional hour 62 62 $75

In context: peer comparison

Among 2 peers in Newark Clinical Neuropsychologist, average services per provider: 168. This provider delivers 8.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Glen Greenberg's medical specialty?
Dr. Glen Greenberg practices Clinical Neuropsychologist in Newark, DE.
Where does Dr. Glen Greenberg practice?
Dr. Glen Greenberg practices at 774 Christiana RD Ste 201A, Newark, DE 197134221. Office phone: 6105660501.
What is Dr. Glen Greenberg's NPI?
Dr. Glen Greenberg's National Provider Identifier (NPI) is 1336119346, issued by NPPES.
Does Dr. Glen Greenberg accept Medicare assignment?
Yes. Dr. Glen Greenberg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Glen Greenberg 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.