Phd
You need a PHD Degree
Doctor of Philosophy, abbreviated PhD for the Latin Philosophiæ Doctor, meaning "teacher of philosophy".
It depends on which type of doctor you are referring to (PhD, EdD, MD, DO, DDS, etc.)
That will vary. If you have a PHD in physical therapy then it will be so. If you have a PHD in anything then your title will be doctor.
PhD.
MD(doctor of Medicine) or a PhD(doctor of philosophy)
A doctor of Philosophy. Different from a doctor of Divinity (DD- minister) doctor of law (JD- attorney) doctor of medicine (MD- physician) doctor of dental surgery (DDS- dentist) or doctor of veterinary medicine (DVM- vet). A PhD refers to advanced academic study. A senior professor of biology might be a PhD.
Doctor.
Doctor (Dr.)
proper grammer, and a PHd. proper grammer, and a PHd. proper grammer, and a PHd.
The plural form of Doctor of Philosophy can be abbreviated as either Ph.D's or PhD's.