William Knack
Clinical Psychologist · PhD · Psychologist in Chappaqua, NY
Provider details
- Specialty
- Clinical Psychologist
- Credentials
- PhD
- NPI number
- 1487856480
Checked against the CMS National Provider Identifier registry on October 2, 2026.
About
William Knack, PhD, is a clinical psychologist in Chappaqua, New York, registered with the federal National Provider Identifier (NPI) registry. Contact the provider directly to confirm services, hours and accepted insurance.
Other care in Chappaqua
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