DR. JOHN FREDERICK GRIENENBERGER PH.D.
NPI 1275835936
Psychologist - Clinical in Los Angeles, CA

Active since November 30, 2010
11340 W OLYMPIC BLVD, SUITE 245, LOS ANGELES, CA 90064(310) 477-6008 Get Directions Write a Review

NPPES record last updated: November 30, 2010. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. John Frederick Grienenberger Ph.d. NPPES

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

DR. JOHN FREDERICK GRIENENBERGER PH.D. (NPI 1275835936) is an individual clinical provider in Los Angeles, California, licensed in California (PSY 23880) and active in the NPI registry since November 2010.

NPPES Registry Identity

NPI1275835936
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. JOHN FREDERICK GRIENENBERGERCredential: PH.D.
Location Address11340 W OLYMPIC BLVD, SUITE 245Los Angeles, CA 90064-1608
Mailing Address11340 W Olympic Blvd, Suite 245Los Angeles, CA 90064-1608 · (310) 477-6008
Sole ProprietorYes
Enumeration DateNovember 30, 2010
NPI 1275835936 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 CA · PSY 23880
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.
11340 W OLYMPIC BLVD, Los Angeles, CA 90064

Other Providers at the Same Location NPPES 20

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

Chiropractor
11340 W OLYMPIC BLVD, SUITE 138
LOS ANGELES, CA 90064
Naturopath
11340 W OLYMPIC BLVD, SUITE 301
LOS ANGELES, CA 90064
Naturopath
11340 W OLYMPIC BLVD, SUITE 301
LOS ANGELES, CA 90064
Psychologist (Clinical)
11340 W OLYMPIC BLVD, 350
LOS ANGELES, CA 90064
Psychologist (Clinical)
11340 W OLYMPIC BLVD, SUITE 358
LOS ANGELES, CA 90064
Dentist (Periodontics)
11340 W OLYMPIC BLVD, #360
LOS ANGELES, CA 90064
Community/Behavioral Health
11340 W OLYMPIC BLVD, SUITE 305
LOS ANGELES, CA 90064
Dentist (General Practice)
11340 W OLYMPIC BLVD, 148
LOS ANGELES, CA 90064

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 John Grienenberger's NPI number?

The NPI number for John Grienenberger is 1275835936. It was assigned to this individual provider in the NPPES registry on November 30, 2010.

Where is John Grienenberger located?

John Grienenberger practices at 11340 W Olympic Blvd Suite 245, Los Angeles, CA 90064. The listed phone number is (310) 477-6008.

What is John Grienenberger'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 John Grienenberger was last updated on November 30, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.