Keith Humphreys, PHD
NPI 1871482067 · Cognitive & Behavioral Psychologist · Stanford, CA
Keith Humphreys, PHD is a Cognitive & Behavioral Psychologist provider in Stanford, CA (NPI 1871482067).
Provider details
- NPI number
- 1871482067
- Entity type
- Individual
- Primary specialty
- Cognitive & Behavioral PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 14906 (CA)
Specialties & taxonomies
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
Under 1 yr in 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
- 2025-07-01
- Last updated
- 2025-07-01
- Certified
- 2025-06-13
Frequently asked questions
- What is Keith Humphreys's NPI number?
- Keith Humphreys's National Provider Identifier (NPI) is 1871482067, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keith Humphreys's specialty?
- Keith Humphreys is listed in the NPPES registry with a primary specialty of Cognitive & Behavioral Psychologist (Behavioral Health & Social Service Providers).
- Where is Keith Humphreys located?
- Keith Humphreys's practice location on file with NPPES is 401 N. Quarry Road, Stanford, CA 94305.
- What is Keith Humphreys's phone number?
- The practice phone number listed in the NPPES registry for Keith Humphreys is (650) 723-9067.
- Is Keith Humphreys's NPI active?
- Yes — Keith Humphreys's NPI (1871482067) is active in the NPPES registry as of the last update on 2025-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.