Quest Diagnostics is a healthcare provider that has received a mix of reviews from customers. Based on the provided feedback, the overall experience at Quest Diagnostics seems to be positive. Customers have praised the kindness and professionalism of the phlebotomists, who were able to draw blood efficiently and with minimal discomfort. One customer had a "lovely" experience as a walk-in, while another was "absolutely AMAZING!" with their service. However, some customers have also expressed frustration with the billing and customer service departments. Complaints include difficulty getting appointments, rude customer service representatives, and issues with billing and payments being applied incorrectly. One customer even stated that they would go elsewhere for services if they could, due to the poor customer service experience. Despite these negative aspects, the majority of the reviews highlight the competence and care of the phlebotomists, who are described as "professional," "respectful," and "a pro." Overall, Quest Diagnostics appears to provide a generally positive experience for customers, with room for improvement in the administrative and customer service areas.