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DR. GREGORY LAWRENCE CASON PH.D.
NPI 1619180049
Psychologist - Health in Los Angeles, CA

Active since May 08, 2007Opted out of Medicare · through Mar 18, 2027
566 S SAN VICENTE BLVD STE 201, LOS ANGELES, CA 90048(310) 652-0031(425) 944-0918 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Gregory Lawrence Cason Ph.d. NPPES

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

DR. GREGORY LAWRENCE CASON PH.D. (NPI 1619180049) is an individual health provider in Los Angeles, California, licensed in California (PSY15781) and active in the NPI registry since May 2007. He has opted out of Medicare through March 18, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1619180049
Entity TypeIndividualMale
Primary Taxonomy103TH0004X
Provider Legal NameDR. GREGORY LAWRENCE CASONCredential: PH.D.
Location Address566 S SAN VICENTE BLVD STE 201Los Angeles, CA 90048-4650
Mailing Address8581 Santa Monica Blvd # 221West Hollywood, CA 90069-4120 · (310) 652-0031 · Fax (425) 944-0918
Phone(310) 652-0031
Fax(425) 944-0918
Sole ProprietorYes
Enumeration DateMay 8, 2007
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1619180049 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyPsychologist · HealthBehavioral Health & Social Service Providers
Taxonomy Code103TH0004X
License✔ Licensed in CA · PSY15781
Definition
A psychologist who specializes in clinical health psychology that investigates and implements clinical services across diverse populations and settings to promote health and well-being and to prevent, treat, and manage illness and disability. Clinical health psychology sees health as the confluence of psychological, social, cultural, and biological factors and applies this understanding to professional activities including:
Also ListedPsychologist · Cognitive & BehavioralTaxonomy 103TB0200X · License PSY15781 (CA)
Also ListedPsychologist · ClinicalTaxonomy 103TC0700X · License PSY15781 (CA)
Also ListedPsychologist · CounselingTaxonomy 103TC1900X · License PSY15781 (CA)
566 S SAN VICENTE BLVD STE 201, Los Angeles, CA 90048
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Gregory Lawrence Cason 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 March 18, 2013 through March 18, 2027.

Opt-Out Effective DateMarch 18, 2013
Opt-Out In Effect ThroughMarch 18, 2027Opt-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

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

RICHARD BAUMAN DEATON PSY.D.
Psychologist (Clinical)
566 S SAN VICENTE BLVD STE 201
LOS ANGELES, CA 90048
Los Angeles County (213) 400-2434

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 Gregory Cason's NPI number?

The NPI number for Gregory Cason is 1619180049. It was assigned to this individual provider in the NPPES registry on May 8, 2007.

Where is Gregory Cason located?

Gregory Cason practices at 566 S San Vicente Blvd Ste 201, Los Angeles, CA 90048. The listed phone number is (310) 652-0031.

What is Gregory Cason's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Health, with taxonomy code 103TH0004X.

Is Gregory Cason enrolled in Medicare?

No. Gregory Cason has opted out of Medicare through March 18, 2027. 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 Gregory Cason was last updated on September 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.