IndividualActive
Henry Mellen, PH.D.
NPI 1043428824 · Psychologist · Los Altos, CA
Provider details
- NPI number
- 1043428824
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY 20759 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 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
851 Fremont Ave
Suite 107
Los Altos, CA 94024-5698
Phone: (650) 989-1256
Fax: (650) 329-1579
Street-level locationGet directions
Mailing address
1488 Hamilton Ave
Palo Alto, CA 94301-3124
Registry dates
- Enumerated
- 2007-05-18
- Last updated
- 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.