About the Practice
This is a practice in Winchester, Massachusetts focused on mental health services.
Practice Context in IntroTherapy
- • IntroTherapy lists 25 mental health practices in Winchester. Mattis Sara is one of them.
- • 9,590 practices statewide in Massachusetts are tracked in our directory.
- • Typical psychologist compensation in Massachusetts: $90,000 – $168,000 (median $103,000). Source: BLS OEWS, state cost-of-labor adjusted.
Data compiled from U.S. state licensing boards, NPI public registry, and verified practice listings. Mental health is a YMYL topic — we prioritize licensed, verified providers only. Methodology & sources · Updated July 2026.
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Providers
3 registered
Provider details sourced from NPI Registry
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