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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. Rio Manzano:

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Specialties & Research

  • 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. Manzano graduated from Manila Central University-Filemon D. Tanchoco Foundation, Caloocan.


  • Tagalog

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Additional Information
Dr. Rio M Manzano MD is a male Psychiatrist, has 42 years of experience and practices in Psychiatry.
Where does Dr. Rio M. Manzano practice?
Dr. Rio Manzano has 2 office locations.
Dr. Rio Manzano practices Psychiatry near Alpharetta, GA.
Additional practice locations include: San Francisco, CA.
See Alpharetta Psychiatrists.