RUBY CHANG, M.D.
Diagnostic Radiology Physician · WALNUT CREEK, CA
Individual Active NPI 1164459335
Medicare payment data Part B · 2024
| Year | Beneficiaries | Services | Submitted | Allowed | Paid |
|---|---|---|---|---|---|
| 2024 | 4,685 | 20,140 | $2,514,167 | $858,300 | $802,956 |
| 2023 | 5,129 | 33,541 | $2,881,371 | $1,009,203 | $941,455 |
| 2022 | 3,478 | 15,703 | $1,728,410 | $574,392 | $531,152 |
Top procedures (2024)
| HCPCS | Description | Services | Avg allowed | Avg paid |
|---|---|---|---|---|
| A9575 | Injection, gadoterate meglumine, 0.1 ml | 9,480 | $0 | $0 |
| 77063 | Screening 3d breast mammography | 3,410 | $54 | $54 |
| 77067 | Screening mammography | 3,406 | $135 | $135 |
| Q9967 | Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 1,680 | $0 | $0 |
| G0279 | Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) | 345 | $50 | $35 |
| 77065 | Diagnostic mammography of 1 breast | 240 | $133 | $92 |
| 76642 | Limited ultrasound scan of 1 breast | 229 | $93 | $66 |
| 77066 | Diagnostic mammography of both breasts | 205 | $168 | $122 |
| 71045 | X-ray of chest, 1 view | 166 | $9 | $7 |
| 77080 | Dxa bone density measurement of hip, pelvis, spine | 89 | $41 | $41 |
| 71046 | X-ray of chest, 2 views | 69 | $11 | $8 |
| 70450 | Ct scan head or brain without contrast | 69 | $40 | $31 |
Taxonomy & licensure
| Specialty | Code | Primary | License | State |
|---|---|---|---|---|
| Diagnostic Radiology Physician | 2085R0202X | ✓ | A81716 | CA |
Medicare eligibility
- Part B
- Yes
- DME
- Yes
- Home health
- Yes
- Power mobility
- Yes
- Hospice
- Yes
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Source: NPPES (public domain) and CMS Medicare Physician & Other Practitioners data. Not affiliated with CMS, NPPES, or any government agency.