Hospital Affiliation
Meet Our Physicians
Lucrecia T. Sta. Ana, M.D
Specialty: Colorectal Surgery

Lucrecia T. Sta. Ana, M.D is a Board Certified Colon and Rectal Surgeon. Dr. Sta. Ana graduated from the University of Texas Health Science Center at San Antonio. She performed her Internship and Residency at St. Elizabeth's Medical Center, Boston, MA, which was followed by a Colorectal Surgery Fellowship at the Colon and Rectal Clinic of Orlando in Orlando, Florida.She has had multiple papers published and is regularly invited to present at medical conferences across the nation. She is a member of the American College of Surgeons, American Medical Women's Association, American Society of Colon and Rectal Surgeons and many other organizations. When she is not in the office you can find her outdoors. She plays tennis and is getting bit by the golf bug. Travel is also a passion for her and her husband.
Napoleon Estrada, MD
Specialty: General Surgery

Napoleon Estrada, MD is a Board Certified General Surgeon. Dr. Estrada is a graduate of Far Eastern University in the Philippines. He completed his residency in New York, NY at NY Infirm Beekman. Prior to joining the team at Osceola Surgical Associates, Dr. Estrada was part of Surgical Management, Ltd., a Kissimmee-based general surgery practice. Dr. Estada has provided care to patients in central Florida for over 25 years. He is committed to delivering quality care in all aspects of his practice and is dedicated to offering the most up-to-date techniques, especially minimally invasive surgeries, to his patients.
Fuad Shahin, MD
Specialty: General Surgery

Fuad Shahin, MD is Board Certified in General Surgery. Dr. Shahin is a graduate of the University of Aleppo, Faculty of Medicine in Syria. He completed his residency at New York Methodist Hospital - Cornell Medical Center. Prior to joining the team at Osceola Surgical Associates, Dr. Shahin was part of Surgical Management , Ltd., a Kissimmee-based general surgery practice. Dr. Shahin has provided care to patients in central Florida for over 15 years. He has committed himself to deliver high-quality care to his patients. His use of minimally invasive surgeries continues to provide patients with the most up-to-date techniques available.
Antonio Ramirez, DO
Specialty: General Surgery

Antonio Ramirez, DO is Board Certified in General Surgery. Dr. Ramirez is a graduate of Southeast University Medical College and he completed his residency at Florida Hospital East Orlando. Prior to joining the team at Osceola Surgical Associates, Dr. Ramirez was part of Surgical Management , Ltd., a Kissimmee-based general surgery practice. Dr. Ramirez is committed to delivering quality care in all aspects of his practice. He is dedicated to offering the most up-to-date techniques and procedures, especially those that involve minimally invasive surgeries. Dr. Ramirez has over 15 years of providing care to patients in central Florida.
