After you filter the rows in a list, you can use the AGGREGATE function to count the visible rows. This function was introduced in Excel 2010, and is similar to SUBTOTAL, but it has 19 functions, compared to SUBTOTAL's 11 functions.
A Medical Social Worker is a social worker who works in a medical setting such as a hospital, outpatient clinic, hospice, long-term care facility, or community health agency.
Medical and Public Health Social Workers: Those who specialize in medical or public health social work offer psychosocial services to individuals, families, and groups who are affected by acute, chronic, and terminal illnesses.