Urgent Care And Emergency Services | Orange County Nellie Gail Urgent Care provides emergency treatment and urgent care services two convenient locations: Laguna Hills and the City of Orange. At Nellie Gail Urgent Care, we strive to provide the highest quality and compassionate health care to all age groups, from pediatrics to geriatrics, in a convenient and timely manner. When you visit either of our Orange County clinic locations, you will be treated by top class, board certified physicians. Come in and experience the best medical care in your Orange County neighborhood.