Naics code Naics crossreference
621111 Health maintenance organization (HMO) medical centers are classified in U.S. Industry 621491, HMO Medical Centers
621111 Outpatient community health clinics with health practitioners from multiple industries are classified in U.S. Industry 621498, All Other Outpatient Care Centers
621111 Establishments of oral pathologists are classified in Industry 621210, Offices of Dentists
621111 Establishments of speech or voice pathologists are classified in Industry 621340, Offices of Physical, Occupational and Speech Therapists, and Audiologists.
621112 Establishments of independent mental health practitioners (except physicians) are classified in Industry 621330, Offices of Mental Health Practitioners (except Physicians)
621112 Outpatient mental health and substance abuse centers are classified in Industry 621420, Outpatient Mental Health and Substance Abuse Centers
621112 Establishments primarily engaged in providing nonresidential counseling services for substance abuse, mental health, suicide intervention, and other crisis intervention social services to children and youth, the elderly, persons with disabilities, and all other individuals and families are classified in Industry Group 6241, Individual and Family Services.
621210 Establishments known as dental laboratories primarily engaged in making dentures, artificial teeth, and orthodontic appliances to order for dentists are classified in U.S. Industry 339116, Dental Laboratories
621210 Establishments of dental hygienists primarily engaged in cleaning teeth and gums or establishments of denturists primarily engaged in taking impressions for and fitting dentures are classified in U.S. Industry 621399, Offices of All Other Miscellaneous Health Practitioners
621210 Outpatient community health clinics with health practitioners from multiple industries are classified in U.S. Industry 621498, All Other Outpatient Care Centers.