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NPISignal

Individual Healthcare Provider

Roquel A Williams, PHD, MD

NPI Record: ActiveClinical Neuropsychologist
NPI1073826186
Shreveport, Louisiana

Provider's NPPES record last updated: August 25, 2010

Overview

Entity Type
Individual Healthcare Provider
NPI
1073826186
Primary Specialty
Clinical Neuropsychologist
Practice Location
Shreveport, Louisiana
Sole Proprietor
Yes

Federal Screening

NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.

List of Excluded Individuals/Entities (LEIE)

HHS Office of Inspector General

No potential match identified

No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.

Source data
September 10, 2026
Records indexed
84,001
Screened
Sep 19, 2026, 11:55 PM UTC

This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.

SAM.gov Exclusions

U.S. General Services Administration

Not checked

SAM.gov Exclusions was not checked.

SAM.gov screening is not configured on this deployment. No SAM check has been performed.

Screened
Not checked

This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.

This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.

Run a name-based screening

Searches OIG LEIE and SAM.gov by name and reviews every potential match.

Specialties & Taxonomies

  • Clinical Neuropsychologist

    Behavioral Health & Social Service Providers

    Primary

    A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.

    Taxonomy code 103G00000X
  • Psychologist

    Prescribing (Medical)

    Behavioral Health & Social Service Providers

    A licensed, doctoral-level psychologist authorized to prescribe and has undergone specialized education and training in preparation for prescriptive practice and has passed an examination accepted by the state board of psychology relevant to establishing competence for prescribing, and has received from the state board of psychology a current certificate granting prescriptive authority, which has not been revoked or suspended.

    Taxonomy code 103TP0016X
  • Psychoanalyst

    Behavioral Health & Social Service Providers

    Psychoanalysis is a comprehensive, theoretical framework which, when applied to a treatment process, consists of an intensive verbal, therapeutic relationship between an analyst and an analysand which aims for symptom relief, emotional growth, and personal integration. The psychoanalytic treatment process includes, but is not limited to, the recognition of unconscious processes and conflicts; the significance of developmental influences; and the impact of resistances, defenses, transference and countertransference phenomena. Treatment is enhanced by an understanding developed in the analyst's training and personal analysis of unconscious manifestations, such as dreams, slips of the tongue, fantasies and day dreams. Psychoanalytic technique varies in relation to theoretical orientation.

    Taxonomy code 102L00000X
  • Psychologist

    Rehabilitation

    Behavioral Health & Social Service Providers

    A psychologist who specializes in the study and application of psychological principles on behalf of persons who have disability due to injury or illness. Rehabilitation psychologists, often within teams, assess and treat cognitive, emotional, and functional difficulties, and help people to overcome barriers to participation in life activities. Rehabilitation psychologists are involved in practice, research, and advocacy, with the broad goal of fostering independence and opportunity for people with disabilities.

    Taxonomy code 103TR0400X
  • Psychologist

    Group Psychotherapy

    Behavioral Health & Social Service Providers

    A psychologist who specializes in group psychology and group psychotherapy that is an evidenced-based specialty that prepares group leaders to identify and capitalize on developmental and healing possibilities embedded in the interpersonal/intrapersonal functioning of individual group members as well as collectively for the group. Emphasis is placed on the use of group dynamics to assist and treat individual group members. The specialty is applicable to all age groups, children, adolescents, adults and older adults, for a wide variety of conditions and concerns, and in numerous and diverse settings.

    Taxonomy code 103TP2701X
  • Psychologist

    Addiction (Substance Use Disorder)

    Behavioral Health & Social Service Providers

    A psychologist with a proficiency that involves the application of psychological treatment of addiction stemming from the use of alcohol and other psychoactive substances (e.g., nicotine, marijuana, cocaine, heroin) or behavioral addictions (e.g., gambling) with the aim of cessation or reduction of use and/or the amelioration of emotional, behavioral, interpersonal and other problems arising from the addictive behavior.

    Taxonomy code 103TA0400X
  • Psychologist

    Forensic

    Behavioral Health & Social Service Providers

    A psychologist whose specialty is characterized by activities primarily intended to provide professional psychological expertise within the judicial and legal systems.

    Taxonomy code 103TF0200X
  • Psychologist

    School

    Behavioral Health & Social Service Providers

    A psychologist whose specialty is concerned with the science and practice of psychology with children, youth, families; learners of all ages; and the schooling process. The basic education and training of school psychologists prepares them to provide a range of psychological diagnosis, assessment, intervention, prevention, health promotion, and program development and evaluation services with a special focus on the developmental processes of children and youth within the context of schools, families and other systems. School psychologists are prepared to intervene at the individual and system level, and develop, implement, and evaluate preventive programs. In these efforts, they conduct ecologically valid assessments and intervene to promote positive learning environments within which children and youth from diverse backgrounds to ensure that all have equal access to effective educational and psychological services that promote healthy development

    Taxonomy code 103TS0200X
  • Sleep Specialist, PhD

    Other Service Providers

    Sleep medicine is a clinical specialty with a focus on clinical problems that require accurate diagnosis and treatment. The knowledge base of sleep medicine is derived from many disciplines including neuroanatomy, neurophysiology, respiratory physiology, pharmacology, psychology, psychiatry, neurology, general internal medicine, pulmonary medicine, and pediatrics as well as others.

    Taxonomy code 173F00000X
  • Poetry Therapist

    Behavioral Health & Social Service Providers

    A medical or mental health professional who has attained credentials after satisfactorily completing a poetry therapy training program approved by the National Federation for Biblio/Poetry Therapy (NFBPT). Training includes didactic work, peer group experience, and supervised practicum.<br/>An NFBPT credentialed certified poetry therapist (CPT) or registered poetry therapist (PTR) integrates discussion of published literature and reflective or creative writing into the psychotherapeutic process to achieve goals of emotional well-being, symptom reduction, and improved interpersonal communication.<br/>Certified poetry therapists and registered poetry therapists are licensed mental health professionals with advanced training in the theory and practice of poetry therapy. CPTs and PTRs are qualified to work independently with emotionally troubled populations in clinical, rehabilitative, community and educational institutions. They also work with emotionally healthy individuals adjusting to developmental issues, life crises, or disabilities. The PTR completes an advanced level of training and fieldwork, commensurate with the highest levels of clinical practice. The terms poetry therapy, applied poetry facilitation, journal therapy, bibliotherapy, biblio/poetry therapy, and poetry/journal therapy reflect the interactive use of literature and/or writing to promote personal growth and emotional healing. In addition to poetry, poetry therapy applies all forms or written and spoken language including story, myth, folk and fairy tale and other genres of poetic expression as well as journal, memoir, and narrative. The poetry therapy process integrates discussion of published literature and reflective or creative writing for expression and communication of thoughts and feelings to facilitate participants' emotional well-being. The field of poetry therapy encompasses all of these modalities, though only a duly trained and licensed clinical practitioner can be credentialed as CPT or PTR.

    Taxonomy code 102X00000X

Practice Locations

Practice Location

566 E 71st St

Shreveport, Louisiana 71106-4404

Phone: (318) 865-2888

Record Information

Enumeration Date
July 17, 2010
Provider's NPPES Record Last Updated
August 25, 2010
NPISignal NPPES Dataset
August 2026

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