Includes
Nephrologists (both MD’s and DO’s), Physician Assistants specializing in nephrology, Dialysis/hemodialysis technicians, contracted dialysis and hemodialysis service.

Excludes
Advanced Practice Registered Nurses (all specialties), Clinical Nurse Specialists, Registered Nurses, Licensed Practical/Vocational Nurses, Nursing/ Medical Assistants (all fall under Q401-Nursing), Pediatrics (Q516), Family & Internal Medicine Services (Q509), dialysis and nephrology specific equipment (6515 Medical & Surgical Instruments, Equipment, and Supplies), nephrology specific drugs and biologicals (6505 Drugs & Biologicals)

Possible NAICS Codes
621111 – Offices of Physicians (except Mental Health Specialists)