Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Penny Ilona Knack, PHD

Individual provider Clinical Psychologist · NPI 1215135314

Dr. Penny Ilona Knack, PHD is a Clinical Psychologist in Chappaqua, New York. Qualified in 1991, 35 years ago. Practices with Harvest Healthcare LLC, a 70-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
35
Licensed in
NY
In the registry since
2007
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

115 Bedford Rd
Chappaqua, NY 10514-2721
Phone: (914) 238-1433
Fax: (914) 238-1433
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 011052 (NY)

Record details

NPI number1215135314
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 10, 2007
Last updated in NPPESJuly 10, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Group practice Harvest Healthcare Llc — 70 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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