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DR. WILLIAM B JANZEN PHD
NPI 1043356603
Psychologist - Clinical in Metairie, LA

Active since January 30, 2007
3445 N CAUSEWAY BLVD, SUITE 601, METAIRIE, LA 70002(504) 834-2606(504) 834-2589 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. William B Janzen Phd NPPES

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

DR. WILLIAM B JANZEN PHD (NPI 1043356603) is an individual clinical provider in Metairie, Louisiana, licensed in Louisiana (462) and active in the NPI registry since January 2007.

NPPES Registry Identity

NPI1043356603
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. WILLIAM B JANZENCredential: PHD
Location Address3445 N CAUSEWAY BLVD, SUITE 601Metairie, LA 70002
Mailing AddressPo Box 8324Metairie, LA 70011-8324 · (504) 834-2606 · Fax (504) 834-2589
Phone(504) 834-2606
Fax(504) 834-2589
Sole ProprietorNo
Enumeration DateJanuary 30, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1043356603 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in LA · 462
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.
3445 N CAUSEWAY BLVD, Metairie, LA 70002
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Other Identifiers 1

Medicare ID-Type Unspecified55664LA

Other Providers at the Same Location NPPES 10

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

MEGAN LIEBERT
Nurse Practitioner (Family)
3445 N CAUSEWAY BLVD
METAIRIE, LA 70002
Jefferson Parish (504) 715-7977
WCS PROFESSIONAL SERVICES OF MISSOURI, LLC
Nurse Practitioner
3445 N CAUSEWAY BLVD, SUITE 600
METAIRIE, LA 70002
Jefferson Parish (504) 835-4919
WCS PROFESSIONAL SERVICES OF ARKANSAS, LLC
Nurse Practitioner
3445 N CAUSEWAY BLVD, SUITE 600
METAIRIE, LA 70002
Jefferson Parish (504) 835-4919
WCS PROFESSIONAL SERVICES OF MISSISSIPPI, LLC
Nurse Practitioner
3445 N CAUSEWAY BLVD, SUITE 600
METAIRIE, LA 70002
Jefferson Parish (504) 835-4919
FIRST STAGES, INC.
Case Management
3445 N CAUSEWAY BLVD, SUITE 317
METAIRIE, LA 70002
Jefferson Parish (504) 837-7699
WCS PROFESSIONAL SERVICES OF FLORIDA, LLC
Nurse Practitioner
3445 N CAUSEWAY BLVD, SUITE 600
METAIRIE, LA 70002
Jefferson Parish (504) 835-4919
WCS PROFESSIONAL SERVICES OF IL, LLC
Nurse Practitioner
3445 N CAUSEWAY BLVD, SUITE 600
METAIRIE, LA 70002
Jefferson Parish (504) 835-4919
WCS PROFESSIONAL SERVICES OF LOUISIANA, LLC
Nurse Practitioner
3445 N CAUSEWAY BLVD, SUITE 600
METAIRIE, LA 70002
Jefferson Parish (504) 835-4919

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 William Janzen's NPI number?

The NPI number for William Janzen is 1043356603. It was assigned to this individual provider in the NPPES registry on January 30, 2007.

Where is William Janzen located?

William Janzen practices at 3445 N Causeway Blvd Suite 601, Metairie, LA 70002. The listed phone number is (504) 834-2606.

What is William Janzen'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 William Janzen was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.