State Specialty Directory

Medical Oncology in IL

Federal CMS data for 65 medical oncology providers across IL. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.

65
Providers
Median industry payments
$5,889
65
Medical Oncology Providers
in IL
$5,889
Median Industry Payments
per provider (2018–2024)
610
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. Medical Oncology includes multiple subspecialties with different practice patterns. Learn more →
Showing top 50 of 65 providers, ranked by Medicare service volume. Search by city to narrow results.

Medical Oncology Providers — IL

NPPES · Open Payments · Medicare
Provider City Medicare Volume Beneficiaries* Top Procedure Industry Payments Payment Type Coverage
VISCONTI, JOHN DO Shiloh 196,153 2,831 Iron infusion (Injectafer) $805 (2018-2024) Food & Beverage (75%) Very High
MULCAHY, MARY MD Chicago 151,323 2,643 Daratumumab injection (Darzalex) $7,523 (2019-2024) Consulting (96%) Very High
HAMADEH, MUFADDAL M.D. Tinley Park 150,295 2,099 Darbepoetin injection (Aranesp) for anemia $37,002 (2018-2024) Food & Beverage (47%) Very High
WADE, JAMES M.D. Decatur 126,715 3,770 Nivolumab injection (Opdivo) $21,279 (2018-2024) Food & Beverage (67%) Very High
VELASCO, MARIO MD Decatur 92,375 5,420 Iron infusion (Injectafer) $16,499 (2018-2024) Food & Beverage (95%) Very High
AHMED, VASIA M.D. Tinley Park 85,553 1,696 Iron infusion (Injectafer) $17,370 (2018-2024) Food & Beverage (70%) Very High
CHANDRA, SUNANDANA M.D. Chicago 58,581 1,608 Nivolumab injection (Opdivo) $326,950 (2018-2024) Consulting (51%) Very High
GRADISHAR, WILLIAM MD Chicago 54,514 1,064 Denosumab injection (Prolia/Xgeva) $276,319 (2018-2024) Consulting (87%) Very High
MANDAL, ROBERT MD Elgin 54,048 3,027 Iron sucrose injection (Venofer) $4,853 (2018-2024) Food & Beverage (99%) Very High
VANDERWEELE, DAVID M.D. Chicago 43,641 1,413 Denosumab injection (Prolia/Xgeva) $21,120 (2018-2023) Consulting (69%) Very High
BENSON, AL MD Chicago 28,638 820 Nivolumab injection (Opdivo) $160,765 (2018-2024) Consulting (94%) Very High
ROZELL, SHAINA MD Chicago Ridge 16,182 667 Anti-nausea injection (fosaprepitant) $272,552 (2018-2024) Consulting (87%) Very High
MIGAS, JOHN M.D. Normal 7,659 2,100 Dexamethasone injection (steroid) $3,737 (2018-2024) Consulting (77%) Very High
PATEL, JYOTI MD Chicago 7,259 459 Darbepoetin injection (Aranesp) for anemia $182,397 (2018-2024) Consulting (86%) Very High
SOSMAN, JEFFREY MD Chicago 3,853 329 Daratumumab injection (Darzalex) $57,044 (2018-2024) Consulting (38%) Very High
WAN, ALAN D.O. Schaumburg 3,579 1,688 Office visit, established patient (30-39 min) $1,303 (2018-2022) Food & Beverage (88%) Very High
TSARWHAS, DEAN M.D. Lake Forest 2,142 997 Office visit, established patient (30-39 min) $811 (2018-2024) Food & Beverage (97%) Very High
SPECTOR, DAVID MD Moline 1,832 735 Office visit, established patient (30-39 min) $13,785 (2018-2024) Food & Beverage (100%) Very High
WEYBURN, THOMAS D.O. Crystal Lake 1,757 1,003 Office visit, established patient (30-39 min) $1,012 (2018-2024) Honoraria (65%) Very High
ENGEL, RYAN DO Zion 1,553 826 Blood draw (venipuncture) $10,082 (2018-2024) Consulting (89%) Very High
HARTING, REKHA M.D. Hinsdale 1,450 765 Office visit, established patient (30-39 min) $1,135 (2018-2024) Food & Beverage (54%) Very High
CUARTAS, ALBERTO M.D. Marion 1,428 723 Office visit, established patient (30-39 min) $6,176 (2018-2024) Food & Beverage (93%) Very High
RAO, SUBRAMANYA M.D. Tinley Park 1,144 637 Office visit, established patient (30-39 min) $62,255 (2018-2024) Consulting (70%) Very High
AHMED, SYED MD Oak Brook 909 498 Office visit, established patient (30-39 min) $403 (2020-2024) Food & Beverage (100%) Very High
GERSHENHORN, BRUCE D.O. Downers Grove 862 563 Office visit, established patient (30-39 min) $35,644 (2018-2024) Consulting (81%) Very High
HENG, JOSEPH MD Chicago 858 393 Office visit, established patient, complex (40-54 min) $5,889 (2022-2024) Consulting (95%) Very High
CONSTANTINOU, COSTAS MD Moline 805 557 Office visit, established patient (20-29 min) $63 (2019-2021) Education (63%) Very High
GRECO, ALFRED MD Shiloh 793 486 Office visit, established patient (10-19 min) $880 (2018-2024) Food & Beverage (88%) Very High
LACHER, CASSANDRA DO Bourbonnais 744 466 Office visit, established patient (30-39 min) $1,139 (2018-2024) Food & Beverage (86%) Very High
GOYAL, VIJAY M.D. Rockford 692 364 Office visit, established patient (30-39 min) $5,608 (2018-2022) Food & Beverage (88%) Very High
CHENNAMANENI, RUPA M.D. Chicago 668 334 Office visit, established patient (30-39 min) $11,494 (2018-2024) Consulting (64%) Very High
DESAI, PALAK M.D. Chicago 613 323 Office visit, established patient, complex (40-54 min) $4,621 (2018-2024) Food & Beverage (100%) Very High
SINGH, NAMRATA M.D. Chicago 610 318 Hospital follow-up visit, high complexity $18 (2024-2024) Food & Beverage (100%) Very High
ROBINSON, PATRICIA MD Chicago 494 313 Office visit, established patient (30-39 min) $9,980 (2018-2024) Consulting (74%) Very High
ROGERS, MARGARET APN, FNP-BC Rockford 448 341 Office visit, established patient (30-39 min) $298 (2021-2023) Food & Beverage (100%) Very High
JAKUBOWIAK, ANDRZEJ Chicago 436 137 Office visit, established patient, complex (40-54 min) $247,231 (2018-2024) Consulting (89%) Very High
USHA, LYDIA M.D. Chicago 427 280 Office visit, established patient, complex (40-54 min) $3,617 (2018-2024) Consulting (61%) Very High
HANSON, BRITT DO Highland Park 426 259 Office visit, established patient, complex (40-54 min) $125 (2018-2018) Food & Beverage (100%) Very High
CAMPBELL, NICHOLAS MD Evanston 420 313 Office visit, established patient (20-29 min) $601 (2020-2024) Food & Beverage (90%) Very High
SIDDIQUI, SABET M.D. Dekalb 402 259 Office visit, established patient (30-39 min) $7,260 (2018-2024) Food & Beverage (55%) Very High
HENSING, THOMAS MD Evanston 401 153 Office visit, established patient (30-39 min) $9,311 (2018-2020) Consulting (100%) Very High
BROCKSTEIN, BRUCE MD Evanston 374 301 Office visit, established patient, complex (40-54 min) $22,647 (2018-2023) Consulting (90%) Very High
KUZEL, TIMOTHY MD Orland Park 343 238 Office visit, established patient, complex (40-54 min) $238,469 (2018-2024) Consulting (71%) Very High
ADESS, MATTHEW MD Highland Park 343 295 Hospital follow-up visit, moderate complexity $3,613 (2018-2023) Consulting (100%) Very High
SHERGILL, ARDAMAN Chicago 315 168 Office visit, established patient, complex (40-54 min) $20,075 (2018-2024) Consulting (40%) Very High
ROBIN, ERWIN MD Evanston 288 200 Office visit, established patient (30-39 min) $552 (2018-2023) Food & Beverage (100%) Very High
FIDLER, MARY M.D. Chicago 268 181 Office visit, established patient, complex (40-54 min) $234,699 (2018-2024) Consulting (80%) Very High
COCHRAN, MICHAEL M.D. Libertyville 265 185 Hospital follow-up visit, moderate complexity $239 (2018-2023) Food & Beverage (93%) Very High
SHEVRIN, DANIEL MD Evanston 262 234 Telephone medical discussion, 11-20 minutes $37,087 (2018-2023) Consulting (81%) Very High
AHN, EUGENE M.D. Chicago 239 156 Office visit, established patient (30-39 min) $3,150 (2018-2023) Food & Beverage (95%) Very High
Note: Medical 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.
Data Disclaimer — Data sourced from the Centers for Medicare & Medicaid Services (CMS): National Plan and Provider Enumeration System (NPPES), Open Payments program, Medicare Provider Utilization and Payment Data, and Provider Enrollment & Certification data (PECOS). Published under the Freedom of Information Act (FOIA). This website is not affiliated with, endorsed by, or authorized by CMS, HHS, or the U.S. Government. Data may contain errors as reported to CMS by providers and reporting entities. Payments from industry are legal and do not indicate wrongdoing. Medicare data reflects only patients aged 65+ or those with qualifying disabilities. For corrections, contact CMS directly. This information does not constitute medical advice and should not be used as the sole basis for choosing a healthcare provider. Procedure descriptions use plain language and do not reference CPT® codes, which are copyrighted by the American Medical Association. Full methodology → · Report a data error → · Privacy policy →