Doctor profile · Federal record

Dr. Michael Brook, PH.D.

Clinical Neuropsychologist (CMS: Clinical Psychologist) · Clinical Psychologist · Chicago, IL

  • NPI 1003253949
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 15 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
446 E Ontario St, Suite 7-100
Chicago, IL 606114418
(312) 695-5060

Credentials & registration

NPPES · NUCC
NPI registered
June 2013 — 13 yrs on file
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
103G00000X — NUCC code
State license (1)
Illinois #071008590

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003253949. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
257
Distinct HCPCS
6
Medicare allowed
$19,871
HCPCS Description Services Patients Avg allowed
96139 Administration of psychological or neuropsychological test by technician, each additional 30 minutes 120 15 $37
96133 Evaluation of neuropsychological test, each additional hour 64 22 $102
90791 Psychiatric diagnostic evaluation 22 22 $181
96132 Evaluation of neuropsychological test, first hour 21 21 $136
90834 Psychotherapy, 45 minutes 15 15 $103
96138 Administration of psychological or neuropsychological test by technician, first 30 minutes 15 15 $36

In context: peer comparison

Among 11 peers in this city , average services per provider: 64. This provider delivers 4.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Brook's medical specialty?
Dr. Michael Brook practices Clinical Neuropsychologist in Chicago, IL.
Where does Dr. Michael Brook practice?
Dr. Michael Brook practices at 446 E Ontario St, Chicago, IL 606114418. Office phone: 3126955060.
What is Dr. Michael Brook's NPI?
Dr. Michael Brook's National Provider Identifier (NPI) is 1003253949, issued by NPPES.
Does Dr. Michael Brook accept Medicare assignment?
Yes. Dr. Michael Brook accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Brook 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); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.