In 2024, 48 providers billed Medicare for surgical pathology, special stains, and immunohistochemistry in Washington, D.C.: 69,654 services and an estimated $2.2M in Medicare payments. Below: the top 5 by service volume, straight from CMS's public billing data.
Ranked by 2024 Medicare service volume across the family's codes.
| # | Provider | Specialty | City | Services | Est. Medicare paid |
|---|---|---|---|---|---|
| 1 | Joseph Zahn, M.D. | Dermatology | Washington | 10,235 | $322K |
| 2 | Catharine Kauffman, M.D. | Pathology | Washington | 4,829 | $149K |
| 3 | William Winecoff, M.D. | Pathology | Washington | 4,155 | $227K |
| 4 | Peter Derosa, M.D. | Pathology | Washington, Dc | 3,192 | $77K |
| 5 | Jeffrey Tefft, M.D. | Pathology | Nw Washington | 3,113 | $84K |
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