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William Knack

Clinical Psychologist · PhD · Psychologist in Chappaqua, NY

115 Bedford Road

Chappaqua, NY 10514

(914) 238-1433

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

Listings are provided for information only and may be out of date. Know Cancer does not endorse any provider. Please confirm details directly with the provider.