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39 years of experience
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Ralph Bien:

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Specialties & Research

Dr. Ralph Bien, MD is board certified in Psychiatry.

  • He has special expertise in 7 areas:
  • Attention Deficit Disorder (ADD) / Attention Deficit Hyperactivity Disorder (ADHD)
  • Bipolar Disorder / Manic Depressive Disorder
  • Depression
  • Depressive Disorder
  • Insomnia
  • Schizophrenia
  • Sleep Disorders

Education & Awards

Dr. Bien graduated from New York University - Mount Sinai.


Dr. Bien has 1 hospital affiliations:

  • Marin General Hospital 

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Additional Information
Dr. Ralph Daniel Bien MD is a male Psychiatrist, has 39 years of experience and practices in Psychiatry.
Where does Dr. Ralph D. Bien practice?
Dr. Ralph Bien has 1 office location.
Dr. Ralph Bien practices Psychiatry near San Rafael, CA.
See San Rafael Psychiatrists.