About the Practice
This is a practice in Hyannis, Massachusetts focused on mental health services.
Practice Context in IntroTherapy
- • IntroTherapy lists 56 mental health practices in Hyannis. Dr. William Ellis 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 August 2026.
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Frequently asked questions
Where is Dr. William Ellis located?
Dr. William Ellis is located at 218 W Main St, Hyannis, MA 02601.
What is the phone number for Dr. William Ellis?
You can reach Dr. William Ellis at (508) 771-4640.
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