A DO, or Osteopathic physician, is a fully licensed physician or surgeon, and can prescribe medications. An Osteopathic physician also has additional training in the musculoskeletal system and...
A physician with a medical degree (MD, DO, DPM) A PhD is not a medical degree, they cannot prescribe medicine.
A psychologist cannot prescribe medications. A psychiatrist is allowed to prescribed medications.
no
Only a licensed physician can prescribe regulated medication and drugs.