Medicare Procedure and Patient Information
2012 Medicare Procedure Volume
The top procedures that Dr. Jo-Ann Cong Yin Chang, MD treated as an ophthalmologist in Acton, MA during 2012 were eye procedures, lacrimal (tearing system) procedures, ultrasound (sonogram) and ablation.
Volume of procedures performed by Dr. Jo-Ann Cong Yin Chang, MD for Medicare patients.
| ablation | 25 |
|---|---|
| doctor visit | 786 |
| eye procedures | 444 |
| lacrimal (tearing system) procedures | 123 |
| ultrasound (sonogram) | 106 |