Doctor profile · Federal record

Dr. Simon Tan, PSYD. ABPP-Cn

Clinical Neuropsychologist (CMS: Clinical Psychologist) · Stanford, CA

  • NPI 1902932536
  • Accepts Medicare
  • MIPS 75.5 / 100 · 2023
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Stanford, CA 943052200
(408) 396-9381

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
November 7, 2023
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
103G00000X — NUCC code
State license (1)
California #PSY20181
Medicaid
CA #PSY201810

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902932536. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,608
Distinct HCPCS
5
Medicare allowed
$108,571
HCPCS Description Services Patients Avg allowed
96139 Administration of psychological or neuropsychological test by technician, each additional 30 minutes 817 155 $49
96133 Evaluation of neuropsychological test, each additional hour 316 157 $86
96116 Exam of neurobehavioral status, first hour 160 158 $91
96132 Evaluation of neuropsychological test, first hour 158 157 $119
96138 Administration of psychological or neuropsychological test by technician, first 30 minutes 157 155 $48

In context: peer comparison

Among 4 peers in Stanford Clinical Neuropsychologist, average services per provider: 151. This provider delivers 11× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Simon Tan's medical specialty?
Dr. Simon Tan practices Clinical Neuropsychologist in Stanford, CA.
Where does Dr. Simon Tan practice?
Dr. Simon Tan practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 4083969381.
What is Dr. Simon Tan's NPI?
Dr. Simon Tan's National Provider Identifier (NPI) is 1902932536, issued by NPPES.
Does Dr. Simon Tan accept Medicare assignment?
Yes. Dr. Simon Tan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Simon Tan 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); Exam of neurobehavioral status, first hour (HCPCS 96116). Source: CMS Medicare Physician & Other Practitioners file.