31 NAICS industries for “physician”

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NAICS (North American Industry Classification System) classifies businesses by their primary activity. It is used for government statistics, contracting, marketing, and business research. Learn about NAICS →

  1. 621111 Offices of Physicians (except Mental Health Specialists)

    This U.S. industry comprises establishments of health practitioners having the degree of M.D.

    892,121 U.S. business records

  2. 621112 Offices of Physicians, Mental Health Specialists

    This U.S. industry comprises establishments of health practitioners having the degree of M.D.

    2,199 U.S. business records

  3. 621399 Offices of All Other Miscellaneous Health Practitioners

    This U.S. industry comprises establishments of independent health practitioners.

    Excludes: physicians; dentists; chiropractors; optometrists; mental health specialists; physical, occupational, and speech therapists; audiologists; and podiatrists.

    497,244 U.S. business records

  4. 561110 Office Administrative Services

    Providing a range of day-to-day office administrative services, such as financial planning; billing and recordkeeping; personnel; and physical distribution and logistics, for others on a contract or fee basis.

    16,509 U.S. business records

  5. 621493 Freestanding Ambulatory Surgical and Emergency Centers

    This U.S. industry comprises establishments with physicians and other medical staff primarily engaged in (1) providing surgical services (e.g., orthoscopic and cataract surgery) on an outpatient basis or (2) providing emergency care services (e.g., setting broken bones, treating lacerations, or tending to patients suffering injuries as a result of accidents, trauma, or medical conditions necessitating immediate medical care) on an outpatient basis.

    On Request

  6. 621491 HMO Medical Centers

    This U.S. industry comprises establishments with physicians and other medical staff primarily engaged in providing a range of outpatient medical services to the health maintenance organization (HMO) subscribers with a focus generally on primary health care.

    On Request

  7. 621999 All Other Miscellaneous Ambulatory Health Care Services

    Providing ambulatory health care services.

    Excludes: offices of physicians, dentists, and other health practitioners; outpatient care centers; medical and diagnostic laboratories; home health care providers; ambulances; and blood and organ banks.

    50,309 U.S. business records

  8. 622110 General Medical and Surgical Hospitals

    This industry comprises establishments known and licensed as general medical and surgical hospitals primarily engaged in providing diagnostic and medical treatment (both surgical and nonsurgical) to inpatients with any of a wide variety of medical conditions.

    13,000 U.S. business records

  9. 622210 Psychiatric and Substance Abuse Hospitals

    This industry comprises establishments known and licensed as psychiatric and substance abuse hospitals primarily engaged in providing diagnostic, medical treatment, and monitoring services for inpatients who suffer from mental illness or substance abuse disorders.

    12,748 U.S. business records

  10. 622310 Specialty (except Psychiatric and Substance Abuse) Hospitals

    This industry comprises establishments known and licensed as specialty hospitals primarily engaged in providing diagnostic and medical treatment to inpatients with a specific type of disease or medical condition.

    Excludes: psychiatric or substance abuse.

    1,890 U.S. business records

  11. 621330 Offices of Mental Health Practitioners (except Physicians)

    This industry comprises establishments of independent mental health practitioners (except physicians) primarily engaged in (1) the diagnosis and treatment of mental, emotional, and behavioral disorders and/or (2) the diagnosis and treatment of individual or group social dysfunction brought about by such causes as mental illness, alcohol and substance abuse, physical and emotional trauma, or stress.

    187,850 U.S. business records

  12. 812199 Other Personal Care Services

    Providing personal care services.

    Excludes: hair, nail, facial, nonpermanent makeup, or non-medical diet and weight reducing services.

    41,008 U.S. business records

  13. 621340 Offices of Physical, Occupational and Speech Therapists, and Audiologists

    This industry comprises establishments of independent health practitioners primarily engaged in one of the following: (1) providing physical therapy services to patients who have impairments, functional limitations, disabilities, or changes in physical functions and health status resulting from injury, disease or other causes, or who require prevention, wellness or fitness services; (2) planning and administering educational, recreational, and social activities designed to help patients or individuals with disabilities regain physical or mental functioning or adapt to their disabilities; and (3) diagnosing and treating speech, language, or hearing problems.

    211,203 U.S. business records

  14. 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)

    Conducting research and experimental development (except nanotechnology and biotechnology research and experimental development) in the physical, engineering, and life sciences, such as agriculture, electronics, environmental, biology, botany, computers, chemistry, food, fisheries, forests, geology, health, mathematics, medicine, oceanography, pharmacy, physics, veterinary, and other allied subjects.

    1,918 U.S. business records

  15. 541614 Process, Physical Distribution, and Logistics Consulting Services

    Providing operating advice and assistance to businesses and other organizations in: (1) manufacturing operations improvement; (2) productivity improvement; (3) production planning and control; (4) quality assurance and quality control; (5) inventory management; (6) distribution networks; (7) warehouse use, operations, and utilization; (8) transportation and shipment of goods and materials; and (9) materials management and handling.

    19,729 U.S. business records

  16. 523210 Securities and Commodity Exchanges

    Furnishing physical or electronic marketplaces for the purpose of facilitating the buying and selling of stocks, stock options, bonds, or commodity contracts.

    187 U.S. business records

  17. 541330 Engineering Services

    Applying physical laws and principles of engineering in the design, development, and utilization of machines, materials, instruments, structures, processes, and systems.

    38,516 U.S. business records

  18. 541380 Testing Laboratories and Services

    Performing physical, chemical, and other analytical testing services, such as acoustics or vibration testing, assaying, biological testing (except medical and veterinary), calibration testing, electrical and electronic testing, geotechnical testing, mechanical testing, nondestructive testing, or thermal testing.

    4,130 U.S. business records

  19. 713940 Fitness and Recreational Sports Centers

    Operating fitness and recreational sports facilities featuring exercise and other active physical fitness conditioning or recreational sports activities, such as swimming, skating, or racquet sports.

    47,301 U.S. business records

  20. 334516 Analytical Laboratory Instrument Manufacturing

    Manufacturing instruments and instrumentation systems for laboratory analysis of the chemical or physical composition or concentration of samples of solid, fluid, gaseous, or composite material.

    819 U.S. business records

  21. 541350 Building Inspection Services

    Providing building inspection services.

    3,982 U.S. business records

  22. 541410 Interior Design Services

    Planning, designing, and administering projects in interior spaces to meet the physical and aesthetic needs of people using them, taking into consideration building codes, health and safety regulations, traffic patterns and floor planning, mechanical and electrical needs, and interior fittings and furniture.

    16,922 U.S. business records

  23. 541618 Other Management Consulting Services

    Providing management consulting services.

    Excludes: administrative and general management consulting; human resources consulting; marketing consulting; or process, physical distribution, and logistics consulting.

    39,551 U.S. business records

  24. 621610 Home Health Care Services

    Providing skilled nursing services in the home, along with a range of the following: personal care services; homemaker and companion services; physical therapy; medical social services; medications; medical equipment and supplies; counseling; 24-hour home care; occupation and vocational therapy; dietary and nutritional services; speech therapy; audiology; and high-tech care, such as intravenous therapy.

    36,083 U.S. business records

  25. 519210 Libraries and Archives

    Providing library or archive services.

    12,597 U.S. business records

  26. 541611 Administrative Management and General Management Consulting Services

    Providing operating advice and assistance to businesses and other organizations on administrative management issues, such as financial planning and budgeting, equity and asset management, records management, office planning, strategic and organizational planning, site selection, new business start-up, and business process improvement.

    6,796 U.S. business records

  27. 926150 Regulation, Licensing, and Inspection of Miscellaneous Commercial Sectors

    This industry comprises government establishments primarily engaged in the regulation, licensing, and inspection of commercial sectors, such as retail trade, professional occupations, manufacturing, mining, construction, and services.

    9 U.S. business records

  28. 611110 Elementary and Secondary Schools

    Furnishing academic courses and associated course work that comprise a basic preparatory education.

    88,700 U.S. business records

  29. 611310 Colleges, Universities, and Professional Schools

    Furnishing academic courses and granting degrees at baccalaureate or graduate levels.

    10,937 U.S. business records

  30. 721110 Hotels (except Casino Hotels) and Motels

    Providing short-term lodging in facilities known as hotels, motor hotels, resort hotels, and motels.

    62,396 U.S. business records

  31. 541714 Research and Development in Biotechnology (except Nanobiotechnology)

    Conducting biotechnology (except nanobiotechnology) research and experimental development.

    16,888 U.S. business records

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Sources & methodology

NAICS definitions: U.S. Census Bureau, 2022

SIC definitions: OSHA SIC Manual

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