Robert Duff, PH.D.
NPI 1083149769 · Clinical Neuropsychologist · Camarillo, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Duff, PH.D. is a Clinical Neuropsychologist provider in Camarillo, CA (NPI 1083149769).
Provider details
- NPI number
- 1083149769
- Entity type
- Individual
- Primary specialty
- Clinical NeuropsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY 29147 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,559 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Administration of Psychological Or Neuropsychological Test By Technician, Each Additional 30 Minutes96139 | 613 | $41 |
| Evaluation of Neuropsychological Test, Each Additional Hour96133 | 576 | $102 |
| Evaluation of Neuropsychological Test, First Hour96132 | 174 | $134 |
| Exam of Neurobehavioral Status, First Hour96116 | 93 | $96 |
| Administration of Psychological Or Neuropsychological Test By Technician, First 30 Minutes96138 | 90 | $40 |
| Exam of Neurobehavioral Status, Each Additional Hour96121 | 13 | $77 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-05-01
- Last updated
- 2017-05-01
Frequently asked questions
- What is Robert Duff's NPI number?
- Robert Duff's National Provider Identifier (NPI) is 1083149769, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Duff's specialty?
- Robert Duff is listed in the NPPES registry with a primary specialty of Clinical Neuropsychologist (Behavioral Health & Social Service Providers).
- Where is Robert Duff located?
- Robert Duff's practice location on file with NPPES is 445 Rosewood Ave, Camarillo, CA 93010-5929.
- What is Robert Duff's phone number?
- The practice phone number listed in the NPPES registry for Robert Duff is (805) 988-6197.
- Does Robert Duff accept Medicare?
- Robert Duff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Duff's NPI active?
- Yes — Robert Duff's NPI (1083149769) is active in the NPPES registry as of the last update on 2017-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.