Medical Doctors (MDs)
Medical Doctors with a Doctorate in Jurisprudence (MD, JDs: MDs with Law Degrees)
Doctors of Philosophy (PhDs: Psychologists, etc.)
Doctors of Pharmacy (PharmD)
Registered Nurse Experts (RNs) (Testifying Nurses)
Registered Nurses with a Doctorate in Jurisprudence (RN, JDs: RNs with Law Degrees)
Registered Nurse, Private Investigators (RN, PIs)
Legal Nurse Consultants (LNCs) (Testifying and Non-testifying RNs)
Registered Nurse Paramedics (RN, EMTs)
Sexual Assault Nurse Examiners (RN, SANEs)
Registered Respiratory Therapists (RRT)
Physician Assistants (PAs)

Postgraduate Degrees taken by MDs:

Master in Medical Management (MD, MMM)

NON-MEDICAL PROFESSIONALS WORKING WITH MEDICAL PROFESSIONALS

PRIVATE INVESTIGATORS (PIs) investigating accidents, insurance fraud, fires, death investigations and criminal law:
PRIVATE INVESTIGATORS (PIs) investigating auto, on-site work, property and entertainment accidents:
PRIVATE INVESTIGATORS (PIs) investigating fires:
Safety Consultants
Arson Investigators