William A. Knack, PHD
Clinical Psychologist · 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
Specialties
- Clinical Psychology
Insurance
- Great West Healthcare PPO
- Oxford Health Plans - Freedom Plan
- Oxford Liberty
Other care in Chappaqua
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