DR. RICKEY WILLIAMSON PHD
NPI 1578619417
Psychologist - Clinical in Los Angeles, CA

Q: What is Rickey Williamson's NPI number?

The NPI number for Rickey Williamson is 1578619417. It was assigned to this individual provider in the NPPES registry on January 25, 2007.

Q: What is Rickey Williamson'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 Rickey Williamson was last updated on June 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 January 25, 2007PECOS Enrolled

8939 S SEPULVEDA BLVD STE 200, LOS ANGELES, CA 90045(424) 355-8717(855) 336-3013 Get Directions Write a Review

NPPES record last updated: June 18, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

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About Dr. Rickey Williamson Phd NPPES

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

DR. RICKEY WILLIAMSON PHD (NPI 1578619417) is an individual clinical provider in Los Angeles, California, licensed in California (PSY20072) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1578619417

Entity TypeIndividualMale

Primary Taxonomy103TC0700X

Provider Legal NameDR. RICKEY WILLIAMSONCredential: PHD

Location Address8939 S SEPULVEDA BLVD STE 200Los Angeles, CA 90045-3667

Mailing Address617 N Mar Vista Ave Apt 4Pasadena, CA 91106-1198 · (626) 796-2239

Phone(424) 355-8717

Fax(855) 336-3013

Sole ProprietorNo

Enumeration DateJanuary 25, 2007

Last NPPES UpdateJune 18, 2026

NPPES CertifiedJune 18, 2026

✔ NPI 1578619417 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 · PSY20072

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.

8939 S SEPULVEDA BLVD STE 200, Los Angeles, CA 90045

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Rickey Williamson Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90045 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$187.60 typical visit price

range $62.96 – $187.60

Typical copayment $46.90 (range $15.74 – $46.90)

Most-billed visit code 99205

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

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

CHRISTY LEE MA

Student in an Organized Health Care Education/Training Program

8939 S SEPULVEDA BLVD STE 200
LOS ANGELES, CA 90045

Los Angeles County (855) 255-9366

MARIANA ESTER DEL CID BARDALES

Marriage & Family Therapist

8939 S SEPULVEDA BLVD STE 200
LOS ANGELES, CA 90045

Los Angeles County (866) 863-4645

EMMADA PSYCHOLOGY CENTER

Psychologist

8939 S SEPULVEDA BLVD STE 200
LOS ANGELES, CA 90045

Los Angeles County (855) 255-9366

EMMADA INSTITUTE OF BEHAVIORAL HEALTH & WELLNESS

Psychologist

8939 S SEPULVEDA BLVD STE 200
LOS ANGELES, CA 90045

Los Angeles County (866) 863-4645

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 Rickey Williamson's NPI number?

The NPI number for Rickey Williamson is 1578619417. It was assigned to this individual provider in the NPPES registry on January 25, 2007.

Where is Rickey Williamson located?

Rickey Williamson practices at 8939 S Sepulveda Blvd Ste 200, Los Angeles, CA 90045. The listed phone number is (424) 355-8717.

What is Rickey Williamson's specialty?

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

Is Rickey Williamson enrolled in Medicare?

Yes. Rickey Williamson is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Rickey Williamson was last updated on June 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.