Specialty Directory
Hematology & Oncology in Grand Rapids, MI
Federal CMS data for 16 hematology & oncology providers practicing in Grand Rapids, MI. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.
16
Providers
Median industry payments
$3,764
16
Hematology & Oncology Providers
in Grand Rapids, MI
$3,764
Median Industry Payments
per provider (2018–2024)
13,780
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 |
|---|---|---|---|---|---|---|
| POLAVARAM, LATHA SREE MD | 57,627 | — | Iron infusion (Injectafer) | $5,195 (2018-2024) | — | Very High |
| CHANDANA, SREENIVASA MD | 46,063 | — | Oxaliplatin chemotherapy injection | $317,344 (2018-2024) | — | Very High |
| ZAKEM, MICHAEL D.O. | 35,808 | — | Iron infusion (Injectafer) | $182 (2018-2024) | — | Very High |
| BRINKER, BRETT MD | 31,629 | — | Daratumumab injection (Darzalex) | $1,587 (2018-2024) | — | Very High |
| PETTIJOHN, ERIN M.D. | 26,857 | — | Iron infusion (Injectafer) | $8,355 (2018-2024) | — | Very High |
| HARDIN, COLIN M.D. | 25,387 | — | Iron infusion (Injectafer) | $8,399 (2018-2024) | — | Very High |
| SANTOS, ERIC M.D. | 23,294 | — | Anti-nausea injection (fosaprepitant) | $11,277 (2018-2024) | — | Very High |
| SOUTHER MASHNI, BRITNI DO | 17,268 | — | Azacitidine chemotherapy injection | $5,551 (2018-2024) | — | Very High |
| VANDER WOUDE, AMY M.D. | 10,293 | — | Anti-nausea injection (fosaprepitant) | $2,333 (2018-2024) | — | Very High |
| SOCHACKI, ANDREW M.D. | 8,691 | — | Dexamethasone injection (steroid) | $942 (2022-2024) | — | Very High |
| GRIBBIN, THOMAS M.D. | 3,284 | — | Dexamethasone injection (steroid) | $1,083 (2018-2024) | — | Very High |
| LAKHANI, NEHAL M.D. | 3,018 | — | Dexamethasone injection (steroid) | $8,313 (2018-2024) | — | Very High |
| WONG, FRANCES MD | 2,441 | — | Blood draw (venipuncture) | $1,584 (2018-2024) | — | Very High |
| DUBLIS, STEPHANIE D.O. | 295 | — | Office visit, established patient (30-39 min) | $152 (2018-2024) | — | Very High |
| AL-JANADI, ANAS M.D. | 34 | — | Office visit, established patient (30-39 min) | $118,347 (2018-2024) | — | Very High |
| KRAJEWSKI, KENNETH M.D. | 13 | — | Office visit, established patient (30-39 min) | $646 (2018-2023) | — | 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 (13)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| POLAVARAM, LATHA SREE | 57,627 | $5,195 |
| CHANDANA, SREENIVASA | 46,063 | $317,344 |
| ZAKEM, MICHAEL | 35,808 | $182 |
| BRINKER, BRETT | 31,629 | $1,587 |
| PETTIJOHN, ERIN | 26,857 | $8,355 |
| HARDIN, COLIN | 25,387 | $8,399 |
| SANTOS, ERIC | 23,294 | $11,277 |
| SOUTHER MASHNI, BRITNI | 17,268 | $5,551 |
| VANDER WOUDE, AMY | 10,293 | $2,333 |
| SOCHACKI, ANDREW | 8,691 | $942 |
Clinical Cardiology (3)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| DUBLIS, STEPHANIE | 295 | $152 |
| AL-JANADI, ANAS | 34 | $118,347 |
| KRAJEWSKI, KENNETH | 13 | $646 |