Specialty Directory
Internal Medicine in Bannockburn, IL
Federal CMS data for 9 internal medicine providers practicing in Bannockburn, IL. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.
9
Providers
Median industry payments
$360
9
Internal Medicine Providers
in Bannockburn, IL
$360
Median Industry Payments
per provider (2018–2024)
863
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.
Internal Medicine includes multiple subspecialties with different practice patterns.
Learn more →
Internal Medicine Providers
NPPES · Open Payments · Medicare| Provider | Medicare Volume | Beneficiaries* | Top Procedure | Industry Payments | Payment Type | Coverage |
|---|---|---|---|---|---|---|
| MAYER, THOMAS MD | 2,948 | — | Office visit, established patient (30-39 min) | $95,082 (2018-2024) | — | Very High |
| ZALLIK, NED M.D. | 2,368 | — | Office visit, established patient, complex (40-54 min) | $22 (2019-2019) | — | High |
| CRAWFORD, MEGAN D.O. | 896 | — | Office visit, established patient (30-39 min) | $226 (2019-2024) | — | Very High |
| OSHER, GERALD M.D. | 867 | — | Office visit, established patient (30-39 min) | $266 (2021-2024) | — | Very High |
| DAVIDSON, DAVID MD | 863 | — | Office visit, established patient (30-39 min) | $244,890 (2018-2024) | — | Very High |
| NATHAN, BRENT MD | 575 | — | Office visit, established patient (20-29 min) | $692 (2018-2024) | — | Very High |
| KASKEL, LARRY MD | 297 | — | Office visit, established patient (30-39 min) | $360 (2018-2024) | — | High |
| JONES, SABRINA M.D. | 137 | — | Office visit, established patient (10-19 min) | $476 (2023-2024) | — | Very High |
| APEL, JILL M.D. | 94 | — | Office visit, established patient (30-39 min) | $102 (2020-2020) | — | Very High |
Note: Internal Medicine 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.