Provider Profile
Joshua J. Williams, PsyD
Unclaimed ProfileAbout Dr. Williams
Joshua J. Williams, PsyD is a psychologist — clinical based in Westlake Village, CA. Medicare claims data shows Joshua provided 149 services to 135 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (805) 242-2429
- Email not available
Practice Locations
31194 LA BAYA DR STE 100
Westlake Village, CA 91362
Concerns and Conditions Addressed
Within Clinical Psychology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- ADHD
- Anxiety
- Depression
- Grief
- OCD
- Relationship issues
- Trauma
Abuse & trauma
- Chronic Illness Coping
Addiction
- Alcohol use disorder
- Drug addiction
- Gambling Addiction
- Porn addiction
- Video Game Addiction
Anxiety
- Agoraphobia
- Childhood Anxiety and Depression
Behavioral
- Hoarding
- Skin picking and hair pulling
Child & adolescent
- Child behavioral problems
- Child Not Talking at School
Cognitive
- Mild cognitive impairment
Dissociative
- Dissociative disorders
Eating & Body Image
- Body image issues
- Eating disorders
Health & Pain
- Chronic pain
Identity
- Gender dysphoria
Interpersonal
- Codependency
- Emotional abuse recovery
Life transitions
- Divorce adjustment
- Identity crisis
Mood & Emotion
- Anger issues
- Bipolar disorder
- Illness anxiety disorder
- Panic disorder
- Postpartum depression
- Social anxiety disorder
- Specific phobias
Neurodevelopmental
- Autism
- Learning disorders
Personal Growth
- Low self-esteem
Personality
- Borderline personality disorder
- Perfectionism
Self-harm & crisis
- Self-harm
Sensory & neurological
- Concussion emotional symptoms
- Hatred of Specific Sounds
Severe mental illness
- Schizophrenia
Sleep
- Chronic Nightmares
- Insomnia
Stress & Lifestyle
- Adjustment disorder
- Burnout
Stress & lifestyle
- Caregiver burnout
Work & identity
- Imposter syndrome
Procedures & services
Most searched procedures
- Cognitive behavioral therapy
- Couples counseling
- EMDR
- Family therapy
- Psychological testing
- Therapy
Assessments
- Autism screening
- Dementia Screening
- Gender Affirming Care Assessment
- Memory testing
Behavioral Interventions
- Acceptance and commitment therapy (ACT)
- Anger management
- Dialectical behavior therapy (DBT)
- Exposure and response prevention (ERP)
- Habit reversal training
- Prolonged exposure therapy
Brain-based therapies
- Neurofeedback
Child & adolescent
- Parent-child interaction therapy
- Play therapy
Crisis & safety
- Suicide safety planning
Group Programs
- Support groups
Individual therapy
- Behavioral activation
- Compassion-Focused Therapy
- Solution-focused brief therapy
Interpersonal
- Premarital counseling
Mind-Body
- Biofeedback
- Brainspotting
- Hypnotherapy
- Mindfulness-based stress reduction
- Somatic experiencing
Parenting & Support
- Parent coaching
Psychodynamic & Integrative
- Internal family systems (IFS)
- Interpersonal psychotherapy
- Psychodynamic psychotherapy
- Schema Therapy
Relationship & family
- Co-parenting counseling
Skill building
- Executive functioning coaching
Sleep & Health
- Insomnia Treatment (CBT-I)
- Pain Reprocessing Therapy
Specialized therapy
- Ketamine-assisted counseling
Stress & Lifestyle
- Stress Management Counseling
Testing & evaluation
- ADHD Evaluation
- Bariatric Surgery Evaluation
- Emotional Support Animal Evaluation
- Forensic psychological evaluation
- Neuropsychological Testing
- Psychoeducational Testing
Therapy formats
- Group psychotherapy
- Online counseling
- Walk and Talk Therapy
Trauma therapy
- Cognitive processing therapy
Procedures Most Often Billed to Medicare
149 services · 135 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Psychiatric services complicated by communication factor | Treatment | 90785 |
63 |
| Psychotherapy, 30 minutes | Treatment | 90832 |
61 |
| Psychiatric diagnostic evaluation | Treatment | 90791 |
25 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other psychologists at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 29 related providers in 4 groups
Other psychologists in Westlake Village 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2011 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Psychiatric services complicated by communication factor 6
Providers in CA who bill this service to Medicare most often.
Common questions
What does Joshua J. Williams specialize in?
Joshua J. Williams is a psychologist in Westlake Village, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychologist — Clinical”.
NPI registry
Where is Joshua J. Williams located?
Joshua J. Williams is listed at 31194 la Baya Dr Ste 100, Westlake Village, CA 91362. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Joshua J. Williams's phone number?
The number on file is (805) 242-2429. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Joshua J. Williams?
Joshua J. Williams's National Provider Identifier is 1285863613. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Joshua J. Williams train?
Joshua J. Williams attended Other, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Joshua J. Williams have?
Joshua J. Williams has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What does Joshua J. Williams do most often?
According to Medicare billing data, Joshua J. Williams provides treatments such as psychiatric services complicated by communication factor and psychotherapy, 30 minutes. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Joshua J. Williams's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Joshua J. Williams. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.