Timmen L. Cermak

Timmen Cermak is an American psychiatrist who focuses on addiction medicine. He is in private practice in San Francisco and Marin County. ^{[1] [2]}

In the 1980s, Timmen unsuccessfully proposed that codependency be listed as a personality disorder in the Diagnostic and Statistical Manual of Mental Disorders. ^[3]

Education

• B.A., Philosophy, Ohio Wesleyan University
• M.D., Case Western Reserve University

Certifications

• Diploma, American Board of Psychiatry and Neurology
• Certificate of Added Qualification in Addiction Psychiatry
• Certified by the American Society of Addiction Medicine

References

1. "Timmen L. Cermak MD". Psychology Today. Retrieved 25 August 2025.
2. Harkness, D. (January–March 2001). "Testing Cermak's hypothesis: Is dissociation the mediating variable that links substance abuse in the family of origin with offspring codependency?". Journal of Psychoactive Drugs . 33 (1): 75–82. doi:10.1080/02791072.2001.10400471. PMID   11333004. S2CID   7462731.
3. Cermak, Timmen L. (January–March 1986). "Diagnostic Criteria for Codependency". Journal of Psychoactive Drugs . 18 (1): 15–20. doi:10.1080/02791072.1986.10524475. PMID   3701499.