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Edit this profileAt a glance
- 3305 Jerusalem Ave Ste 207, Wantagh, NY 11793
About Dr. James
Listed in the NPI registry as a psychologist — clinical, William H. James, PhD practices in Wantagh, NY. Medicare claims data shows William provided 1,395 services to 118 patients. The services billed most often include psychotherapy, 45 minutes, psychotherapy, 1 hour, and family psychotherapy with patient, 50 minutes. NPI 1346364163 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (516) 785-0323
- Email not available
Practice Locations
3305 JERUSALEM AVE STE 207
Wantagh, NY 11793
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
Abuse & trauma
Addiction
Anxiety
Behavioral
Child & adolescent
Cognitive
Dissociative
Eating & Body Image
Health & Pain
Identity
Interpersonal
Life transitions
Mood & Emotion
- Anger issues
- Bipolar disorder
- Illness anxiety disorder
- Panic disorder
- Postpartum depression
- Social anxiety disorder
- Specific phobias
Neurodevelopmental
Personal Growth
Personality
Self-harm & crisis
Sensory & neurological
Severe mental illness
Sleep
Stress & Lifestyle
Stress & lifestyle
Work & identity
Procedures & services
Most searched procedures
Assessments
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
Child & adolescent
Crisis & safety
Group Programs
Individual therapy
Interpersonal
Mind-Body
Parenting & Support
Psychodynamic & Integrative
- Internal family systems (IFS)
- Interpersonal psychotherapy
- Psychodynamic psychotherapy
- Schema Therapy
Relationship & family
Skill building
Sleep & Health
Specialized therapy
Stress & Lifestyle
Testing & evaluation
- ADHD Evaluation
- Bariatric Surgery Evaluation
- Emotional Support Animal Evaluation
- Forensic psychological evaluation
- Neuropsychological Testing
- Psychoeducational Testing
Therapy formats
Trauma therapy
Procedures Most Often Billed to Medicare
1,395 services · 118 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy, 45 minutes | Treatment | 90834 |
1,187 | More than most peers in Psychologist — Clinical |
| Psychotherapy, 1 hour | Treatment | 90837 |
99 | Less often than most peers in Psychologist — Clinical |
| Family psychotherapy with patient, 50 minutes | Treatment | 90847 |
88 | More often than most peers in Psychologist — Clinical |
| Psychiatric diagnostic evaluation | Treatment | 90791 |
21 | As often as other peers in Psychologist — Clinical |
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.
Related specialists at this location 8
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.
Other psychologists in Wantagh 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1993 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Psychotherapy, 45 minutes 8
Providers in NY who bill this service to Medicare most often.
Common questions
What does William H. James specialize in?
William H. James is a psychologist in Wantagh, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychologist — Clinical”.
NPI registry
Where is William H. James located?
William H. James is listed at 3305 Jerusalem Ave Ste 207, Wantagh, NY 11793. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is William H. James's phone number?
The number on file is (516) 785-0323. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for William H. James?
William H. James's National Provider Identifier is 1346364163. 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 William H. James train?
William H. James attended Other, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
How much experience does William H. James have?
William H. James has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
What does William H. James do most often?
According to Medicare billing data, William H. James provides treatments such as psychotherapy, 45 minutes and psychotherapy, 1 hour. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is William H. James's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by William H. James. If this is you, claiming it is free.
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