ⓘ Timmen L. Cermak. Timmen Cermak, M.D. is an American psychiatrist known for his work on codependent personality types. He is in private practice in San Francisc ..

                                     

ⓘ Timmen L. Cermak

Timmen Cermak, M.D. is an American psychiatrist known for his work on codependent personality types. He is in private practice in San Francisco and Marin County with a focus on addictions.

It is suggested that co-dependency to be listed as a personality disorder in the Diagnostic and statistical manual of mental disorders. Cermak reasoned that, when personality traits become excessive and inadequate and caused a significant deterioration in functioning or caused significant distress, this ensures the identity, diagnosis of the disorder.