GS0411: Educational services, namely, providing courses of instruction at the university and post-graduate levels and educational lectures, seminars, and conferences, in the medical field
GS0421: Medical research; educational scientific research
GS0441: Healthcare; wellness consulting services; providing hospital, clinical, surgical and non-surgical medical and health care services; providing medical diagnostic and medical treatment services; providing health information; occupational therapy services; speech and hearing therapy; physical therapy services; ophthalmology services; psychiatry behavioral, and mental health services; conducting sleep studies for medical diagnostic or treatment purposes