Doctor profile · Federal record

Dr. Mark Steinberg

Clinical Neuropsychologist (CMS: Clinical Psychologist) · Los Gatos, CA

  • NPI 1518232644
  • 45 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
14601 S Bascom Ave, Ste. 250
Los Gatos, CA 950322043
(408) 356-1002

Credentials & registration

NPPES · NUCC
NPI registered
March 2012 — 14 yrs on file
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
103G00000X — NUCC code
State license (1)
California #PSY12170

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518232644. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
996
Distinct HCPCS
1
Medicare allowed
$155,362
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 996 77 $156

In context: peer comparison

Among 2 peers in Los Gatos Clinical Neuropsychologist, average services per provider: 374. This provider delivers 2.7× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Steinberg's medical specialty?
Dr. Mark Steinberg practices Clinical Neuropsychologist in Los Gatos, CA.
Where does Dr. Mark Steinberg practice?
Dr. Mark Steinberg practices at 14601 S Bascom Ave, Los Gatos, CA 950322043. Office phone: 4083561002.
What is Dr. Mark Steinberg's NPI?
Dr. Mark Steinberg's National Provider Identifier (NPI) is 1518232644, issued by NPPES.
Does Dr. Mark Steinberg accept Medicare assignment?
Dr. Mark Steinberg does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Mark Steinberg commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.