| 621320 |
Offices of opticians primarily engaged in selling and fitting prescription eyeglasses and contact lenses are classified in Industry 456130, Optical Goods Retailers |
| 621320 |
Offices of physicians primarily engaged in the independent practice of ophthalmology are classified in U.S. Industry 621111, Offices of Physicians (except Mental Health Specialists). |
| 621330 |
Establishments of psychiatrists, psychoanalysts, and psychotherapists having the degree of M.D. (Doctor of Medicine) or D.O. (Doctor of Osteopathic Medicine) are classified in U.S. Industry 621112, Offices of Physicians, Mental Health Specialists |
| 621330 |
Outpatient mental health and substance abuse centers are classified in Industry 621420, Outpatient Mental Health and Substance Abuse Centers |
| 621330 |
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. |
| 621340 |
Establishments primarily engaged in providing skilled nursing services in the home are classified in Industry 621610, Home Health Care Services. |
| 62139 |
The independent practice of medicine (i.e., physicians)--are classified in Industry 62111, Offices of Physicians |
| 62139 |
The independent practice of dentistry--are classified in Industry 62121, Offices of Dentists |
| 62139 |
The independent practice of chiropractic--are classified in Industry 62131, Offices of Chiropractors |
| 62139 |
The independent practice of optometry--are classified in Industry 62132, Offices of Optometrists |