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William Spivey, PH.D.
NPI 1427127869 · Clinical Psychologist · Oakland, CA
William Spivey, PH.D. is a Clinical Psychologist provider in Oakland, CA (NPI 1427127869).
Provider details
- NPI number
- 1427127869
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- PSY6159 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 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
2940 Summit St
Suite 2-A
Oakland, CA 94609-3405
Phone: (510) 893-2001
Fax: (510) 893-2027
Street-level locationGet directions
Mailing address
2940 Summit St
Oakland, CA 94609-3405
Registry dates
- Enumerated
- 2006-11-08
- Last updated
- 2007-07-09
Frequently asked questions
- What is William Spivey's NPI number?
- William Spivey's National Provider Identifier (NPI) is 1427127869, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Spivey's specialty?
- William Spivey is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is William Spivey located?
- William Spivey's practice location on file with NPPES is 2940 Summit St, Oakland, CA 94609-3405.
- What is William Spivey's phone number?
- The practice phone number listed in the NPPES registry for William Spivey is (510) 893-2001.
- Is William Spivey's NPI active?
- Yes — William Spivey's NPI (1427127869) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.