2017 NAICS Definition

T = Canadian, Mexican, and United States industries are comparable.

621111 Offices of Physicians (except Mental Health Specialists)

This U.S. industry comprises establishments of health practitioners having the degree of M.D. (Doctor of Medicine) or D.O. (Doctor of Osteopathy) primarily engaged in the independent practice of general or specialized medicine (except psychiatry or psychoanalysis) or surgery. These practitioners operate private or group practices in their own offices (e.g., centers, clinics) or in the facilities of others, such as hospitals or HMO medical centers.

Cross-References.
  • Establishments of physicians primarily engaged in the independent practice of psychiatry or psychoanalysis are classified in U.S. Industry 621112, Offices of Physicians, Mental Health Specialists;
  • Freestanding medical centers primarily engaged in providing emergency medical care for accident or catastrophe victims and freestanding ambulatory surgical centers primarily engaged in providing surgery on an outpatient basis are classified in U.S. Industry 621493, Freestanding Ambulatory Surgical and Emergency Centers;
  • Establishments of oral pathologists are classified in Industry 621210, Offices of Dentists; and
  • Establishments of speech or voice pathologists are classified in Industry 621340, Offices of Physical, Occupational and Speech Therapists, and Audiologists.
2007
NAICS		   2012
NAICS		   2017
NAICS		   Corresponding Index
Entries
621111   621111   621111   Acupuncturists' (MDs or DOs) offices (e.g., centers, clinics)
621111   621111   621111   Allergists' offices (e.g., centers, clinics)
621111   621111   621111   Anesthesiologists' offices (e.g., centers, clinics)
621111   621111   621111   Cardiologists' offices (e.g., centers, clinics)
621111   621111   621111   Clinical pathologists' offices (e.g., centers, clinics)
621111   621111   621111   Dermatologists' offices (e.g., centers, clinics)
621111   621111   621111   Doctors of osteopathy (DOs, except mental health) offices (e.g., centers, clinics)
621111   621111   621111   DOs' (doctors of osteopathy, except mental health) offices (e.g., centers, clinics)
621111   621111   621111   Family physicians' offices (e.g., centers, clinics)
621111   621111   621111   Forensic pathologists' offices
621111   621111   621111   Gastroenterologists' offices (e.g., centers, clinics)
621111   621111   621111   Gynecologists' offices (e.g., centers, clinics)
621111   621111   621111   Health screening services in physicians' offices
621111   621111   621111   Immunologists' offices (e.g., centers, clinics)
621111   621111   621111   Internists' offices (e.g., centers, clinics)
621111   621111   621111   MDs' (medical doctors, except mental health) offices (e.g., centers, clinics)
621111   621111   621111   Medical doctors' (MDs, except mental health) offices (e.g., centers, clinics)
621111   621111   621111   Nephrologists' offices (e.g., centers, clinics)
621111   621111   621111   Neurologists' offices (e.g., centers, clinics)
621111   621111   621111   Neuropathologists' offices (e.g., centers, clinics)
621111   621111   621111   Obstetricians' offices (e.g., centers, clinics)
621111   621111   621111   Oncologists' offices (e.g., centers, clinics)
621111   621111   621111   Ophthalmologists' offices (e.g., centers, clinics)
621111   621111   621111   Orthopedic physicians' offices (e.g., centers, clinics)
621111   621111   621111   Orthopedic surgeons' offices (e.g., centers, clinics)
621111   621111   621111   Osteopathic physicians' (except mental health) offices (e.g., centers, clinics)
621111   621111   621111   Otolaryngologists' offices (e.g., centers, clinics)
621111   621111   621111   Pathologists' (except oral, speech, voice) offices (e.g., centers, clinics)
621111   621111   621111   Pathologists', forensic, offices (e.g., centers, clinics)
621111   621111   621111   Pathologists', neuropathological, offices (e.g., centers, clinics)
621111   621111   621111   Pathologists', surgical, offices (e.g., centers, clinics)
621111   621111   621111   Pediatricians' (except mental health) offices (e.g., centers, clinics)
621111   621111   621111   Physicians' (except mental health) offices (e.g., centers, clinics)
621111   621111   621111   Plastic surgeons' offices (e.g., centers, clinics)
621111   621111   621111   Proctologists' offices (e.g., centers, clinics)
621111   621111   621111   Pulmonary specialists' offices (e.g., centers, clinics)
621111   621111   621111   Radiologists' offices (e.g., centers, clinics)
621111   621111   621111   Surgeons' (except dental) offices (e.g., centers, clinics)
621111   621111   621111   Surgical pathologists' offices (e.g., centers, clinics)
621111   621111   621111   Urologists' offices (e.g., centers, clinics)
621111   621111   621111   Walk-in physicians' offices (e.g., centers, clinics)