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Donald Dufford, PHD
NPI 1013922400 · Clinical Psychologist · San Jose, CA
Donald Dufford, PHD is a Clinical Psychologist provider in San Jose, CA (NPI 1013922400).
Provider details
- NPI number
- 1013922400
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- PSY13444 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
3880 S Bascom Ave
Suite 212
San Jose, CA 95124-2674
Phone: (408) 559-9088
Fax: (408) 377-7833
Street-level locationGet directions
Mailing address
3668 Stance Ave
Soquel, CA 95073-2768
Registry dates
- Enumerated
- 2006-07-31
- Last updated
- 2007-07-08
Frequently asked questions
- What is Donald Dufford's NPI number?
- Donald Dufford's National Provider Identifier (NPI) is 1013922400, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Dufford's specialty?
- Donald Dufford is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Donald Dufford located?
- Donald Dufford's practice location on file with NPPES is 3880 S Bascom Ave, San Jose, CA 95124-2674.
- What is Donald Dufford's phone number?
- The practice phone number listed in the NPPES registry for Donald Dufford is (408) 559-9088.
- Is Donald Dufford's NPI active?
- Yes — Donald Dufford's NPI (1013922400) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.