Doctor profile · Federal record

Dr. Michael Gilewski, PHD

Clinical Neuropsychologist (CMS: Clinical Psychologist) · Adult Development & Aging Psychologist · Rehabilitation Psychologist · Loma Linda, CA

  • NPI 1811993389
  • Accepts Medicare
  • MIPS 76.4 / 100 · 2023
  • 43 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11406 Loma Linda Dr Rm 105
Loma Linda, CA 923543711
(909) 558-6220
fax (909) 558-6278

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
July 21, 2022
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
103G00000X — NUCC code
State license (1)
California #PSY 9194

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811993389. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
793
Distinct HCPCS
3
Medicare allowed
$32,404
HCPCS Description Services Patients Avg allowed
96159 Treatment of behavior impacting health, each additional 15 minutes 486 42 $23
96158 Treatment of behavior impacting health, initial 30 minutes 271 43 $66
96156 Assessment of health behavior 36 36 $97

In context: peer comparison

Among 1 peers in Loma Linda Clinical Neuropsychologist, average services per provider: 264. This provider delivers 3.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Gilewski's medical specialty?
Dr. Michael Gilewski practices Clinical Neuropsychologist in Loma Linda, CA.
Where does Dr. Michael Gilewski practice?
Dr. Michael Gilewski practices at 11406 Loma Linda Dr Rm 105, Loma Linda, CA 923543711. Office phone: 9095586220.
What is Dr. Michael Gilewski's NPI?
Dr. Michael Gilewski's National Provider Identifier (NPI) is 1811993389, issued by NPPES.
Does Dr. Michael Gilewski accept Medicare assignment?
Yes. Dr. Michael Gilewski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Gilewski commonly perform?
Top Medicare-reported procedures in 2023: Treatment of behavior impacting health (HCPCS 96159); Treatment of behavior impacting health (HCPCS 96158); Assessment of health behavior (HCPCS 96156). Source: CMS Medicare Physician & Other Practitioners file.