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Edit this profileAt a glance
- 115 Bedford Rd, Chappaqua, NY 10514
About Dr. Knack
Penny I. Knack, PhD is a psychologist based in Chappaqua, NY. Penny is also listed as specializing in psychologist — clinical. According to Medicare claims data, Penny cared for 316 Medicare patients across 364 services. The services billed most often include psychiatric diagnostic evaluation, evaluation of psychological test, first hour, and psychotherapy, 30 minutes. The provider's National Provider Identifier (NPI) is 1215135314.
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
- (914) 238-1433
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
115 BEDFORD RD
Chappaqua, NY 10514
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
Abuse and relationships
Addiction
Anxiety & Phobias
Anxiety and phobias
Behavioral & Emotional
Child & Adolescent
Child and teen issues
Eating & Body Image
Health Psychology
Identity and life stages
Interpersonal & Abuse
Life and social issues
Mindset and personality
Mood and emotions
Mood Disorders
Neurodevelopmental
Personality Disorders
Relationships
Self-Esteem & Identity
Sleep
Sleep issues
Stress & Lifestyle
Thought disorders
Trauma and abuse
Work and career
Procedures & services
Most searched procedures
Addiction support
Alternative formats
Behavioral Programs
Behavioral therapies
Brain-based therapies
Care delivery
Child & Adolescent
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
Family and parenting
Mind-body therapies
Relationship Counseling
Skills training
Specialized therapy
Specialized Treatments
- Biofeedback
- Crisis intervention
- Hypnotherapy
- Ketamine-assisted counseling
- Mindfulness-based stress reduction
- Sleep counseling
Talk therapies
Therapy Modalities
Procedures Most Often Billed to Medicare
364 services · 316 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychiatric diagnostic evaluation | Treatment | 90791 |
147 | More often than most peers in Psychologist |
| Evaluation of psychological test, first hour | Treatment | 96130 |
112 | More often than most peers in Psychologist |
| Psychotherapy, 30 minutes | Treatment | 90832 |
105 | As often as other 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.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Other psychologists in Chappaqua 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1991 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Psychiatric diagnostic evaluation 8
Providers in NY who bill this service to Medicare most often.
Common questions
What kind of doctor is Penny I. Knack?
Penny I. Knack is a psychologist in Chappaqua, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Penny I. Knack's address?
Penny I. Knack is listed at 115 Bedford Rd, Chappaqua, NY 10514. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Penny I. Knack?
The number on file is (914) 238-1433. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Penny I. Knack's NPI number?
Penny I. Knack's National Provider Identifier is 1215135314. 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 Penny I. Knack train?
Penny I. Knack attended Other, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How long has Penny I. Knack been practicing?
Penny I. Knack has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What procedures does Penny I. Knack perform?
According to Medicare billing data, Penny I. Knack provides treatments such as psychiatric diagnostic evaluation and evaluation of psychological test, first hour. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Penny I. Knack confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Penny I. Knack. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.