Includes
Family & Internal Medicine Physicians (both MD’s and DO’s), Family & Internal Medicine Physician Assistants, Aerospace Medicine Physicians & Services, Preventive Medicine Physicians & Services, Allergy/Immunology Physicians & Services, Infectious Disease Physicians & Services, Rheumatology Physicians & Services, Gerontology Physicians

Excludes
Advanced Practice Registered Nurses, Clinical Nurse Specialists, Registered Nurses, Licensed Practical/Vocational Nurses, Nursing/ Medical Assistants (all fall under Q401-Nursing), Psychiatrists (Q 519 Behavioral & Mental Health), Pediatrics (Q516), Dermatology (Q504), Endocrinology (Q530), Gastroenterology (Q505), Hematology & Oncology (Q508), Obstetrics & Gynecology (Q507), Cardiology (Q502), Neurology (Q510)

Possible NAICS Codes
561320 – Temporary Help Services
621111 – Offices of Physicians (except Mental Health Specialists)
611310 – Colleges, Universities, and Professional Schools
621112 – Offices of Physicians, Mental Health Specialists
622110 – General Medical and Surgical Hospitals
621492 – Kidney Dialysis Centers
621999 – All Other Miscellaneous Ambulatory Health Care Services
325412 – Pharmaceutical Preparation Manufacturing