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Edit this profileAt a glance
- 627 Broadway, Suite 200, Massapequa, NY 11758
About Dr. Gonsor
Keith R. Gonsor, PhD is a clinical psychologist practicing in Massapequa, NY. Keith is also listed as specializing in psychologist — clinical. Medicare claims data shows Keith provided 1,256 services to 178 patients. The services billed most often include psychotherapy, 45 minutes, psychotherapy, 45 minutes, and psychiatric diagnostic evaluation. This provider record is associated with NPI 1497822787.
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) 799-6001
- Email not available
Practice Locations
627 BROADWAY SUITE 200
Massapequa, NY 11758
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
1,256 services · 178 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy, 45 minutes | Treatment | 90834 |
596 | More than most peers in Clinical Psychologist |
| Psychotherapy, 45 minutes | Treatment | 90834 |
585 | More than most peers in Clinical Psychologist |
| Psychiatric diagnostic evaluation | Treatment | 90791 |
60 | More often than most peers in Clinical Psychologist |
| Psychiatric diagnostic evaluation | Treatment | 90791 |
15 | More often than most peers in Clinical Psychologist |
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 clinical psychologists at this location 1
Same specialty, same street address — most likely the same department or group.
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 — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1989 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 Keith R. Gonsor specialize in?
Keith R. Gonsor is a clinical psychologist in Massapequa, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Keith R. Gonsor located?
Keith R. Gonsor is listed at 627 Broadway Suite 200, Massapequa, NY 11758. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Keith R. Gonsor's phone number?
The number on file is (516) 799-6001. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Keith R. Gonsor?
Keith R. Gonsor's National Provider Identifier is 1497822787. 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 Keith R. Gonsor train?
Keith R. Gonsor attended Other, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Keith R. Gonsor have?
Keith R. Gonsor has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What does Keith R. Gonsor do most often?
According to Medicare billing data, Keith R. Gonsor provides treatments such as psychotherapy, 45 minutes and psychiatric diagnostic evaluation. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Keith R. Gonsor's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Keith R. Gonsor. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.