John Gregory Duffy Md, Apc is a Psychiatry Physician based in Tustin, CA and is specialized in Psychiatry. John Gregory Duffy Md, Apc practices in Tustin, CA. The NPI Number for John Gregory Duffy Md, Apc is 1093985137 and holds a License No. A054948 (California).
The current practice location address for John Gregory Duffy Md, Apc is 17821 E 17St, Tustin, CA and can be reached out via phone at 714-669-3158 and via fax at 714-669-3198.
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