All Medicaid billing entities listing CHANG, ANDREW (PRESIDENT) as their authorized official in the NPPES registry.
| State | Entities | Total Paid |
|---|---|---|
| California | 2 | $993K |
| # | Provider | Location | Specialty | Total Paid |
|---|---|---|---|---|
| 1 | SIERRA NEVADA GASTROENTEROLOGY MEDICAL ASSOCIATES, INC. | GRASS VALLEY, CA | Specialist | $819K |
| 2 | PROTON DOCTORS PROFESSIONAL CORPORATION | SAN DIEGO, CA | Radiation Oncology Physician | $174K |