The medical service at Zachary Sherman, M.D. — Gastro Florida is generally good. Patients report a high level of satisfaction with the care they receive, citing Dr. Ahn's exceptional bedside manner, thorough explanations of their conditions, and willingness to listen to their concerns. However, there are some negative reviews that highlight issues with scheduling appointments, waiting times, and billing. One patient was turned away due to a policy of only seeing patients from certain primary care providers. Another patient experienced a long wait and was not seen by Dr. Ahn after waiting for over 90 minutes. Some patients also mention that Dr. Ahn's office staff can be unfriendly and unhelpful. On the other hand, many patients praise Dr. Ahn's exceptional professionalism, kindness, and compassion. His staff is also described as friendly, efficient, and knowledgeable. The practice appears to be wheelchair accessible, and patients can make appointments with NFC mobile payments, debit cards, or credit cards. However, some patients have reported difficulties with billing and scheduling appointments. Overall, the service is good, but there are some areas for improvement.