Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

LORI TRACIE WILLIAMS PSY.D.
NPI 1093023079
Psychologist in Northridge, CA

Active since September 23, 2010PECOS EnrolledAccepts Medicare Assignment
9227 RESEDA BLVD # 131, NORTHRIDGE, CA 91324(310) 853-3629 Get Directions Write a Review

NPPES record last updated: June 26, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Lori Tracie Williams Psy.d. NPPES

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

LORI TRACIE WILLIAMS PSY.D. (NPI 1093023079) is an individual psychologist in Northridge, California, licensed in California (PSY29519) and active in the NPI registry since September 2010. She is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1093023079
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameLORI TRACIE WILLIAMSCredential: PSY.D.
Location Address9227 RESEDA BLVD # 131Northridge, CA 91324-3137
Mailing Address9227 Reseda Blvd # 131Northridge, CA 91324-3137 · (310) 853-3629
Sole ProprietorYes
Medical School CMSOtherGraduated 2015
Enumeration DateSeptember 23, 2010
Last NPPES UpdateJune 26, 2026
NPPES CertifiedJune 26, 2026
NPI 1093023079 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 · PSY29519
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.
9227 RESEDA BLVD # 131, Northridge, CA 91324

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Lori Tracie Williams Psy.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7315357621
PECOS Enrollment IDI20201027002532
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.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
191 services11 patients
Evaluation of psychological test, first hour 96130
This procedure involves a professional assessing your mental health using standardized tests. It's the initial hour of a process that helps understand your emotional well-being and cognitive abilities. It's completely non-invasive and confidential.
74 services11 patients
Administration of psychological or neuropsychological test, first 30 minutes 96136
This procedure involves a health professional conducting a psychological or neuropsychological test. The first 30 minutes typically involve understanding your mental health or brain function through various assessments. This helps in diagnosing and treating mental health disorders effectively.
74 services11 patients

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 Lori Williams's NPI number?

The NPI number for Lori Williams is 1093023079. It was assigned to this individual provider in the NPPES registry on September 23, 2010.

Where is Lori Williams located?

Lori Williams practices at 9227 Reseda Blvd # 131, Northridge, CA 91324. The listed phone number is (310) 853-3629.

What is Lori Williams's specialty?

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

Is Lori Williams enrolled in Medicare?

Yes. Lori Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Lori Williams was last updated on June 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 43 days 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.