Dr Praveen Perni, Spine Surgeon, Avon, Indianapolis, Kokomo, Noblesville, IN » Patient stories » Verified Patient's Story Verified Patient's Story Submit Your Testimonial How was your overall experience?: Poor Fair Good Very Good Excellent Comments: Excellent experience with Dr. Perni. Very professional and very knowledgeable. The office staff is very helpful and very friendly. I was very satisfied with my entire experience.