Specialty Directory
Hematology & Oncology in Walnut Creek, CA
Federal CMS data for 7 hematology & oncology providers practicing in Walnut Creek, CA. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.
7
Providers
Median industry payments
$16,531
7
Hematology & Oncology Providers
in Walnut Creek, CA
$16,531
Median Industry Payments
per provider (2018–2024)
39,110
Median Medicare Services
fee-for-service claims
How to read this directory: Providers are listed by Medicare service volume, which reflects only
Medicare fee-for-service patients (typically 65+). This does not represent total practice volume.
Industry payments span multiple years and payment types; disclosure alone establishes neither wrongdoing nor legality.
Hematology & Oncology includes multiple subspecialties with different practice patterns.
Learn more →
Hematology & Oncology Providers
NPPES · Open Payments · Medicare| Provider | Medicare Volume | Beneficiaries* | Top Procedure | Industry Payments | Payment Type | Coverage |
|---|---|---|---|---|---|---|
| SHERMAN, MICHAEL M.D., PHD | 213,044 | — | Darbepoetin injection (Aranesp) for anemia | $61,526 (2018-2024) | — | Very High |
| SUPERFIN, DIANA M.D. | 103,032 | — | Iron infusion (Injectafer) | $48,715 (2018-2024) | — | Very High |
| JOHL, JEWEL M.D. | 71,115 | — | Pembrolizumab injection (Keytruda) | $280,342 (2018-2024) | — | Very High |
| WANG, YUBAO M.D. | 39,110 | — | Iron infusion (Feraheme) | $2,392 (2018-2024) | — | Very High |
| TANG, TIANYI M.D., PH.D. | 13,607 | — | Epoetin alfa injection (Procrit) for anemia | $5,776 (2019-2024) | — | Very High |
| KANG, TYLER M.D. | 1,063 | — | Office visit, established patient (30-39 min) | $16,531 (2018-2024) | — | Very High |
| PATEL, RONAK M.D. | 605 | — | Hospital follow-up visit, moderate complexity | $3,475 (2020-2024) | — | Very High |
Note: Hematology & Oncology encompasses multiple subspecialties with different practice patterns.
Differences in payment amounts and procedure volumes may reflect subspecialty focus
rather than practice quality. Consider viewing individual profiles for full context.
By Practice Pattern
Hematology & Oncology encompasses multiple practice patterns. Comparing providers within the same pattern provides more meaningful context.
Mixed Practice (5)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| SHERMAN, MICHAEL | 213,044 | $61,526 |
| SUPERFIN, DIANA | 103,032 | $48,715 |
| JOHL, JEWEL | 71,115 | $280,342 |
| WANG, YUBAO | 39,110 | $2,392 |
| TANG, TIANYI | 13,607 | $5,776 |
Clinical Cardiology (2)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| KANG, TYLER | 1,063 | $16,531 |
| PATEL, RONAK | 605 | $3,475 |