Louis Roussel, PHD
NPI 1679602403 · Clinical Psychologist · San Francisco, CA
Louis Roussel, PHD is a Clinical Psychologist provider in San Francisco, CA (NPI 1679602403).
Provider details
- NPI number
- 1679602403
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Psychoanalyst102L00000X
Behavioral Health & Social Service Providers
- Clinical Child & Adolescent Psychologist103TC2200X
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
19 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2007-03-05
- Last updated
- 2026-04-16
- Certified
- 2026-04-16
Frequently asked questions
- What is Louis Roussel's NPI number?
- Louis Roussel's National Provider Identifier (NPI) is 1679602403, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Roussel's specialty?
- Louis Roussel is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Louis Roussel located?
- Louis Roussel's practice location on file with NPPES is 2109 Kirkham St, San Francisco, CA 94122-3219.
- What is Louis Roussel's phone number?
- The practice phone number listed in the NPPES registry for Louis Roussel is (415) 265-4960.
- Is Louis Roussel's NPI active?
- Yes — Louis Roussel's NPI (1679602403) is active in the NPPES registry as of the last update on 2026-04-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.