David M Callahan is a Psychologist based in Sandwich, MA. David M Callahan practices in Sandwich, MA and has the professional credentials of PHD. The NPI Number for David M Callahan is 1205865797 and holds a License No. 4061 (Massachusetts).
The current practice location address for David M Callahan is 449 Route 130, Sandwich, MA and can be reached out via phone at 508-888-7744 and via fax at 508-888-7725.
Identifier | Type | State | Issuer |
---|---|---|---|
0516821 | 05 | MA |
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