Specialty Directory
Rheumatology in Grand Rapids, MI
Federal CMS data for 9 rheumatology providers practicing in Grand Rapids, MI. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.
9
Providers
Median industry payments
$6,507
9
Rheumatology Providers
in Grand Rapids, MI
$6,507
Median Industry Payments
per provider (2018–2024)
384
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 — they are legal and do not indicate wrongdoing.
Rheumatology includes multiple subspecialties with different practice patterns.
Learn more →
Rheumatology Providers
NPPES · Open Payments · Medicare| Provider | Medicare Volume | Beneficiaries* | Top Procedure | Industry Payments | Payment Type | Coverage |
|---|---|---|---|---|---|---|
| LIANG, ZHE MD | 88,381 | 1,526 | Tocilizumab injection (Actemra) | $40,789 (2019-2024) | Grant (98%) | Very High |
| MARTIN, RICHARD MD | 7,837 | 320 | Abatacept infusion (Orencia) | $7,600 (2018-2021) | Consulting (99%) | Very High |
| ZADVINSKIS, PETER M.D. | 459 | 343 | Office visit, established patient (30-39 min) | $3,731 (2018-2024) | Food & Beverage (99%) | High |
| HEAD, ANDREW M.D. | 424 | 233 | Office visit, established patient (30-39 min) | $6,102 (2018-2021) | Consulting (96%) | Very High |
| SLAVIN, ERIC | 384 | 194 | Office visit, established patient (30-39 min) | $143 (2018-2021) | Food & Beverage (56%) | Very High |
| THABET, BARAKAT MD | 383 | 278 | Office visit, established patient (30-39 min) | $107,803 (2018-2024) | Consulting (86%) | Very High |
| ALMAAITAH, SAJA MD | 211 | 139 | Office visit, established patient (30-39 min) | $6,507 (2018-2024) | Food & Beverage (100%) | Very High |
| ZLEIK, NOUR M.D. | 184 | 138 | Office visit, established patient (30-39 min) | $7,296 (2018-2024) | Food & Beverage (99%) | Very High |
| KOCHARLA, LAKSHMI MD | 121 | 81 | Office visit, established patient (30-39 min) | $4,272 (2018-2024) | Food & Beverage (96%) | Very High |
Note: Rheumatology 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
Rheumatology encompasses multiple practice patterns. Comparing providers within the same pattern provides more meaningful context.
Clinical Cardiology (7)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| ZADVINSKIS, PETER | 459 | $3,731 |
| HEAD, ANDREW | 424 | $6,102 |
| SLAVIN, ERIC | 384 | $143 |
| THABET, BARAKAT | 383 | $107,803 |
| ALMAAITAH, SAJA | 211 | $6,507 |
| ZLEIK, NOUR | 184 | $7,296 |
| KOCHARLA, LAKSHMI | 121 | $4,272 |
Mixed Practice (2)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| LIANG, ZHE | 88,381 | $40,789 |
| MARTIN, RICHARD | 7,837 | $7,600 |