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Dennis Obrien is a psychiatrist located in Billings, MT. They specialize in psychiatry & neurology, neurology. With over 20 years of experience, they bring deep expertise to every patient.
Dennis Obrien holds an active professional license for your protection.
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Dennis Obrien is a psychiatrist serving Billings, MT. License #36099965 is on file. 20 years in business. Credentials: MD. Use the contact details below to request a quote or ask about availability.
License #36099965 means Dennis Obrien is registered with the relevant state or professional board. MD 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.