About the Practice
This is a practice in Cambridge, Massachusetts focused on mental health services.
Practice Context in IntroTherapy
- • IntroTherapy lists 421 mental health practices in Cambridge. Paul Callahan is one of them.
- • 9,590 practices statewide in Massachusetts are tracked in our directory.
- • Typical child 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 September 2026.
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Frequently asked questions
Where is Paul Callahan located?
Paul Callahan is located at 2557 Massachusetts Ave, Cambridge, MA 021401020.
What is the phone number for Paul Callahan?
You can reach Paul Callahan at (781) 643-1020.
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