James Willis, PH.D
NPI 1760785455 · Clinical Psychologist · Sacramento, CA
James Willis, PH.D is a Clinical Psychologist provider in Sacramento, CA (NPI 1760785455).
Provider details
- NPI number
- 1760785455
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY18091 (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 tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-12-17
- Last updated
- 2010-12-17
Frequently asked questions
- What is James Willis's NPI number?
- James Willis's National Provider Identifier (NPI) is 1760785455, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Willis's specialty?
- James Willis is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is James Willis located?
- James Willis's practice location on file with NPPES is 3550 Watt Ave, Sacramento, CA 95821-2667.
- What is James Willis's phone number?
- The practice phone number listed in the NPPES registry for James Willis is (916) 977-0650.
- Is James Willis's NPI active?
- Yes — James Willis's NPI (1760785455) is active in the NPPES registry as of the last update on 2010-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.