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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. Ruby Bayan:

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  1. Qualifications
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Specialties & Research

Dr. Ruby Bayan, MD is board certified in Psychiatry.

  • She 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. Bayan graduated from University Of The East, Ramon Magsaysay Memorial Medical Center, Quezon.


Dr. Bayan has 2 hospital affiliations:

  • Bakersfield Memorial Hospital 
  • Mercy Hospitals of Bakersfield 


  • Tagalog
  • English

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Additional Information
Dr. Ruby P Bayan MD is a female Psychiatrist, has 33 years of experience and practices in Psychiatry.
Where does Dr. Ruby P. Bayan practice?
Dr. Ruby Bayan has 1 office location.
Dr. Ruby Bayan practices Psychiatry near Bakersfield, CA.
See Bakersfield Psychiatrists.