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John O'Brien is a psychologist located in Portland, ME. They specialize in psychologist, clinical. With over 20 years of experience, they bring deep expertise to every client.
John O'Brien holds an active professional license for your protection.
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John O'Brien is a psychologist serving Portland, ME. License #PS932 is on file. 20 years in business. Credentials: Ph.D.. Use the contact details below to request a quote or ask about availability.
License #PS932 means John O'Brien is registered with the relevant state or professional board. Ph.D. signals additional training and oversight beyond a base license. Always confirm that the license is in good standing on the issuing board's website before booking work.