Sydney Hadley, DO 4.9 out of 5 68 Ratings 16 Comments Accepting New Patients Call To Schedule An Appointment: 618-262-5113 Primary Specialty: Internal Medicine Gender: Female Education Medical School Chicago College of Osteopathic Medicine Residency Advocate Christ Medical Center Reviews 09/14/2026 Dr.Hadley and her nurse were wonderful to me great chose for my care . was treated with respect ! The WGH has the best in all departments ! 08/31/2026 Everyone was very helpful and friendly. We were both very impressed. 08/31/2026 She was very helpful. 08/12/2026 Loved the nurse and doctor! Show More