Doctor profile · Federal record

Dr. Robert Duff, PH.D.

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

  • NPI 1083149769
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
445 Rosewood Ave, Suite K2
Camarillo, CA 930105929
(805) 988-6197

Credentials & registration

NPPES · NUCC
NPI registered
May 2017 — 9 yrs on file
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
103G00000X — NUCC code
State license (1)
California #PSY 29147

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083149769. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,376
Distinct HCPCS
6
Medicare allowed
$111,732
HCPCS Description Services Patients Avg allowed
96133 Evaluation of neuropsychological test, each additional hour 569 82 $104
96139 Administration of psychological or neuropsychological test by technician, each additional 30 minutes 477 80 $41
96132 Evaluation of neuropsychological test, first hour 149 90 $136
96116 Exam of neurobehavioral status, first hour 83 82 $97
96138 Administration of psychological or neuropsychological test by technician, first 30 minutes 81 81 $40
96121 Exam of neurobehavioral status, each additional hour 17 17 $79

In context: peer comparison

Among 1 peers in Camarillo Clinical Neuropsychologist, average services per provider: 229. This provider delivers 6.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Duff's medical specialty?
Dr. Robert Duff practices Clinical Neuropsychologist in Camarillo, CA.
Where does Dr. Robert Duff practice?
Dr. Robert Duff practices at 445 Rosewood Ave, Camarillo, CA 930105929. Office phone: 8059886197.
What is Dr. Robert Duff's NPI?
Dr. Robert Duff's National Provider Identifier (NPI) is 1083149769, issued by NPPES.
Does Dr. Robert Duff accept Medicare assignment?
Yes. Dr. Robert Duff accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Duff commonly perform?
Top Medicare-reported procedures in 2023: Evaluation of neuropsychological test, each additional hour (HCPCS 96133); Administration of psychological or neuropsychological test by technician (HCPCS 96139); Evaluation of neuropsychological test, first hour (HCPCS 96132). Source: CMS Medicare Physician & Other Practitioners file.