Provider Profile
Chet F. Lesniak, PhD
Unclaimed ProfileAbout Dr. Lesniak
Chet F. Lesniak, PhD is a psychologist practicing in Portsmouth, NH. Chet is also listed as specializing in psychologist — clinical child & adolescent. According to Medicare claims data, Chet cared for 77 Medicare patients across 304 services. The services billed most often include psychotherapy, 1 hour and psychiatric diagnostic evaluation. This provider record is associated with NPI 1164575064.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (603) 437-2069
- Email not available
Practice Locations
7 PORTWALK PL UNIT 1229
Portsmouth, NH 03801
Concerns and Conditions Addressed
Within Psychology (Unspecified) 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 and relationships
- Gaslighting and manipulation
Addiction
- Alcohol use disorder
- Drug addiction
- Gambling Addiction
- Screen Addiction
- Shopping Addiction
Anxiety & Phobias
- Illness anxiety disorder
- Panic disorder
- Social anxiety disorder
- Specific phobias
Anxiety and phobias
- Agoraphobia
Behavioral & Emotional
- Anger issues
- Dissociative disorders
- Hoarding
- Self-harm
- Skin picking and hair pulling
Child & Adolescent
- Child behavioral problems
Child and teen issues
- School refusal
- Teen depression
Eating & Body Image
- Body image issues
- Eating disorders
Health Psychology
- Chronic Pain Coping
Identity and life stages
- Gender dysphoria
- Midlife Crisis
Interpersonal & Abuse
- Divorce adjustment
- Emotional abuse recovery
- Sex Problems
Life and social issues
- Caregiver stress for aging parents
- Loneliness and Social Isolation
Mindset and personality
- Perfectionism
Mood and emotions
- Overthinking and Rumination
- Seasonal affective disorder
Mood Disorders
- Bipolar disorder
- Postpartum Mood Issues
Neurodevelopmental
- Autism
- Reading and Spelling Difficulties
Personality Disorders
- Borderline personality disorder
Relationships
- People Pleasing and Codependency
Self-Esteem & Identity
- Imposter syndrome
- Low self-esteem
Sleep
- Insomnia
Sleep issues
- Chronic Nightmares
Stress & Lifestyle
- Adjustment disorder
- Burnout
- Caregiver burnout
- Chronic stress
Thought disorders
- Schizoaffective disorder
Trauma and abuse
- Chronic Illness Coping
- Religious trauma
Work and career
- Workplace bullying and harassment
Procedures & services
Most searched procedures
- Cognitive behavioral therapy
- Couples counseling
- EMDR
- Family therapy
- Psychological testing
- Therapy
Addiction support
- Relapse prevention planning
Alternative formats
- Walk and Talk Therapy
Behavioral Programs
- Anger management
- Executive Function Coaching
- Group psychotherapy
- Habit reversal training
Behavioral therapies
- Behavioral activation
Brain-based therapies
- Neurofeedback
Care delivery
- Online counseling
Child & Adolescent
- Parent coaching
- Play therapy
Evaluations & Assessments
- Autism Assessment
- Bariatric Surgery Evaluation
- Cognitive and memory testing
- Emotional Support Animal Evaluation
- Spinal Cord Stimulator Psychological Clearance
Evaluations and testing
- Adoption Psychological Evaluation
- Gender-affirming surgery evaluation
- Immigration Psychological Evaluation
- Neuropsychological Testing
Expressive therapies
- Music therapy
Family and parenting
- Parent-child interaction therapy
Mind-body therapies
- Guided Imagery and Visualization
Relationship Counseling
- Premarital counseling
- Sex therapy
Skills training
- Coping Skills Training
- Social skills training
Specialized therapy
- Cognitive processing therapy
- Prolonged exposure therapy
- Schema Therapy
Specialized Treatments
- Biofeedback
- Crisis intervention
- Hypnotherapy
- Ketamine-assisted counseling
- Mindfulness-based stress reduction
- Sleep counseling
Talk therapies
- Gestalt therapy
- Interpersonal psychotherapy
- Narrative therapy
Therapy Modalities
- Acceptance and commitment therapy
- Art therapy
- Brainspotting
- Dialectical Behavior Therapy
- Exposure and Response Prevention
- Internal family systems
- Psychodynamic psychotherapy
- Solution-focused brief therapy
- Somatic experiencing
Procedures Most Often Billed to Medicare
304 services · 77 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy, 1 hour | Treatment | 90837 |
270 | More often than most peers in Psychologist |
| Psychiatric diagnostic evaluation | Treatment | 90791 |
34 | More often than most peers in 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 psychologists in Portsmouth 8
Same specialty, same city.
Also performs Psychotherapy, 1 hour 8
Providers in NH who bill this service to Medicare most often.
Common questions
What is Chet F. Lesniak's specialty?
Chet F. Lesniak is a psychologist in Portsmouth, NH. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Chet F. Lesniak?
Chet F. Lesniak is listed at 7 Portwalk Pl Unit 1229, Portsmouth, NH 03801. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Chet F. Lesniak?
The number on file is (603) 437-2069. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Chet F. Lesniak's NPI number?
Chet F. Lesniak's National Provider Identifier is 1164575064. 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
How long has Chet F. Lesniak been practicing?
Chet F. Lesniak has 19+ years experience. Registered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What is Chet F. Lesniak known for?
According to Medicare billing data, Chet F. Lesniak provides treatments such as psychotherapy, 1 hour and psychiatric diagnostic evaluation. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Chet F. Lesniak confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Chet F. Lesniak. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.