WALTER PHILIP GREENBERG PH.D.
NPI 1063559227
Psychologist in Los Angeles, CA

Active since January 30, 2007Opted out of Medicare · through Oct 1, 2026
11645 WILSHIRE BLVD, SUITE 1065, LOS ANGELES, CA 90025(310) 824-2087(310) 441-0299 Get Directions Write a Review

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

About Walter Philip Greenberg Ph.d. NPPES

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

WALTER PHILIP GREENBERG PH.D. (NPI 1063559227) is an individual psychologist in Los Angeles, California, licensed in California (PSY8699) and active in the NPI registry since January 2007. He has opted out of Medicare through October 1, 2026 and remains eligible to order and refer.

NPPES Registry Identity

NPI1063559227
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameWALTER PHILIP GREENBERGCredential: PH.D.
Location Address11645 WILSHIRE BLVD, SUITE 1065Los Angeles, CA 90025-1708
Mailing Address11645 Wilshire Blvd, Suite 1065Los Angeles, CA 90025-1708 · (310) 824-2087 · Fax (310) 441-0299
Fax(310) 441-0299
Sole ProprietorYes
Enumeration DateJanuary 30, 2007
Last NPPES UpdateJuly 8, 2007
NPI 1063559227 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in CA · PSY8699
Definition

A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.

11645 WILSHIRE BLVD, Los Angeles, CA 90025

Other Identifiers 1

Medicare ID-Type UnspecifiedCP8699ACA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Opted out of Medicare

Walter Philip Greenberg Ph.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from October 1, 2016 through October 1, 2026.

Opt-Out Effective DateOctober 1, 2016
Opt-Out In Effect ThroughOctober 1, 2026Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

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.

Dentist
11645 WILSHIRE BLVD, SUITE 703
LOS ANGELES, CA 90025
Specialist
11645 WILSHIRE BLVD, SUITE # 600
LOS ANGELES, CA 90025
Legal Medicine
11645 WILSHIRE BLVD, SUITE 825
LOS ANGELES, CA 90025
Dermatology
11645 WILSHIRE BLVD, SUITE 1080
LOS ANGELES, CA 90025
Dermatology
11645 WILSHIRE BLVD, #800
LOS ANGELES, CA 90025
Internal Medicine
11645 WILSHIRE BLVD, SUITE 901
LOS ANGELES, CA 90025
Psychologist (Clinical)
11645 WILSHIRE BLVD, SUITE #1100
LOS ANGELES, CA 90025
Specialist
11645 WILSHIRE BLVD, SUITE 1090
LOS ANGELES, CA 90025

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 Walter Greenberg's NPI number?

The NPI number for Walter Greenberg is 1063559227. It was assigned to this individual provider in the NPPES registry on January 30, 2007.

Where is Walter Greenberg located?

Walter Greenberg practices at 11645 Wilshire Blvd Suite 1065, Los Angeles, CA 90025. The listed phone number is (310) 824-2087.

What is Walter Greenberg's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Walter Greenberg enrolled in Medicare?

No. Walter Greenberg has opted out of Medicare through October 1, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Walter Greenberg was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.