DR. LOUIS J ROUSSEL PHD
NPI 1679602403
Psychologist - Clinical in San Francisco, CA

Q: What is Louis Roussel's NPI number?

The NPI number for Louis Roussel is 1679602403. It was assigned to this individual provider in the NPPES registry on March 5, 2007.

Q: What is Louis Roussel's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Q: When was this NPI record last updated?

The NPPES record for Louis Roussel was last updated on April 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 05, 2007

2109 KIRKHAM ST, SAN FRANCISCO, CA 94122(415) 265-4960 Get Directions Write a Review

NPPES record last updated: April 16, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 16, 2026, Jan 10, 2022, Apr 16, 2021 (3 updates tracked since 2021).

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About Dr. Louis J Roussel Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. LOUIS J ROUSSEL PHD (NPI 1679602403) is an individual clinical provider in San Francisco, California, licensed in California (PSY17200) and active in the NPI registry since March 2007.

NPPES Registry Identity

NPI1679602403

Entity TypeIndividualMale

Primary Taxonomy103TC0700X

Provider Legal NameDR. LOUIS J ROUSSELCredential: PHD

Location Address2109 KIRKHAM STSan Francisco, CA 94122-3219

Mailing Address2109 Kirkham StSan Francisco, CA 94122-3219 · (415) 265-4960

Phone(415) 265-4960

Sole ProprietorYes

Enumeration DateMarch 5, 2007

Last NPPES UpdateApril 16, 20263 updates tracked since enumeration

NPPES CertifiedApril 16, 2026

✔ NPI 1679602403 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in CA · PSY17200

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

Also ListedPsychoanalystTaxonomy 102L00000X

Also ListedPsychologist · Clinical Child & AdolescentTaxonomy 103TC2200X

2109 KIRKHAM ST, San Francisco, CA 94122

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Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. BRONWEN ANTONIA LEMMON MS, LMFT

Marriage & Family Therapist

2109 KIRKHAM ST
SAN FRANCISCO, CA 94122

San Francisco County (415) 820-3930

L AND B PSYCHOTHERAPY INC.

Clinic/Center (Multi-Specialty)

2109 KIRKHAM ST
SAN FRANCISCO, CA 94122

San Francisco County (415) 820-3930

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Louis Roussel's NPI number?

The NPI number for Louis Roussel is 1679602403. It was assigned to this individual provider in the NPPES registry on March 5, 2007.

Where is Louis Roussel located?

Louis Roussel practices at 2109 Kirkham St, San Francisco, CA 94122. The listed phone number is (415) 265-4960.

What is Louis Roussel's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Louis Roussel was last updated on April 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.