State Specialty Directory
Colon & Rectal Surgery in IL
Federal CMS data for 33 colon & rectal surgery providers across IL. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.
33
Providers
Median industry payments
$5,604
33
Colon & Rectal Surgery Providers
in IL
$5,604
Median Industry Payments
per provider (2018–2024)
245
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.
Colon & Rectal Surgery includes multiple subspecialties with different practice patterns.
Learn more →
Colon & Rectal Surgery Providers — IL
NPPES · Open Payments · Medicare| Provider | City | Medicare Volume | Beneficiaries* | Top Procedure | Industry Payments | Payment Type | Coverage |
|---|---|---|---|---|---|---|---|
| PARK, JOHN M.D. | Park Ridge | 920 | 733 | Office visit, established patient (20-29 min) | $14,750 (2018-2024) | Food & Beverage (42%) | Very High |
| FISCHER, JUSTIN MD | Peoria | 464 | 402 | Office visit, established patient (30-39 min) | $6,256 (2018-2024) | Travel (69%) | Very High |
| ONDRULA, DAVID MD | Barrington | 460 | 348 | Hospital follow-up visit, high complexity | $87,503 (2018-2024) | Education (91%) | Very High |
| MAERZ, ADAM MD | Springfield | 430 | 403 | Initial hospital admission, moderate complexity | $1,152 (2022-2024) | Travel (83%) | Very High |
| WEISMAN, ROBERT M.D. | Park Ridge | 418 | 379 | New patient office visit (30-44 min) | $102 (2019-2019) | Food & Beverage (100%) | Very High |
| THIELE, JAMES M.D. | Springfield | 418 | 398 | Colonoscopy with biopsy | $2,004 (2018-2024) | Travel (67%) | Very High |
| PIAZZA, DAVID MD | Naperville | 367 | 325 | Office visit, established patient (20-29 min) | $4,773 (2018-2024) | Food & Beverage (53%) | Very High |
| HILL, ASHLEY M.D. | Urbana | 366 | 318 | Moderate sedation during GI endoscopy | $2,243 (2019-2024) | Education (46%) | Very High |
| TSORAIDES, STEVEN M.D. | Peoria | 342 | 285 | Hospital follow-up visit, moderate complexity | $2,226 (2018-2024) | Food & Beverage (93%) | Very High |
| WOODWARD, ELIZABETH M.D. | Springfield | 319 | 286 | Colonoscopy with biopsy | $247 (2020-2022) | Food & Beverage (100%) | Very High |
| KOUVELIS, KATHERINE MD | Aurora | 310 | 210 | Office visit, established patient (20-29 min) | $13,590 (2021-2024) | Education (100%) | Very High |
| SUGRUE, JEREMY M.D. | Naperville | 292 | 239 | Hospital follow-up visit, moderate complexity | $21,943 (2018-2024) | Education (97%) | Very High |
| YU, ROBERT M.D. | Urbana | 290 | 270 | Moderate sedation during GI endoscopy | $5,385 (2018-2024) | Travel (72%) | Very High |
| POYLIN, VITALIY M.D. | Chicago | 281 | 240 | Office visit, established patient (30-39 min) | $25,324 (2019-2024) | Education (50%) | Very High |
| EBERHARDT, JOSHUA M.D. | Maywood | 267 | 247 | Office visit, established patient (20-29 min) | $13,149 (2018-2022) | Education (80%) | Very High |
| GIANFRANCISCO, JAMES M.D. | Orland Park | 256 | 238 | Office visit, established patient (30-39 min) | $1,214 (2018-2024) | Food & Beverage (100%) | High |
| TANGEN, LYN M.D. | Urbana | 245 | 223 | Moderate sedation during GI endoscopy | $1,151 (2018-2024) | Food & Beverage (99%) | Very High |
| EMOLO, JARED MD | Chicago | 197 | 158 | Office visit, established patient (30-39 min) | $748 (2022-2024) | Food & Beverage (100%) | Very High |
| MOON, VICTOR M.D. | Maywood | 191 | 182 | New patient office visit (45-59 min) | $2,841 (2018-2024) | Travel (55%) | Very High |
| STRONG, SCOTT MD | Chicago | 166 | 139 | Office visit, established patient (20-29 min) | $13,646 (2018-2019) | Education (67%) | Very High |
| SINGER, MARC M.D. | Chicago | 161 | 147 | New patient office visit (30-44 min) | $252,850 (2018-2024) | Consulting (56%) | Very High |
| UMANSKIY, KONSTANTIN MD | Chicago | 146 | 135 | New patient office visit (30-44 min) | $34,328 (2018-2024) | Consulting (61%) | Very High |
| KIM, TAE MD | Highland Park | 124 | 117 | Hospital follow-up visit, moderate complexity | $2,902 (2020-2024) | Education (40%) | Very High |
| STACK, MELINDA M.D. | Chicago | 114 | 109 | New patient office visit (30-44 min) | $5,604 (2018-2024) | Education (50%) | Very High |
| MELLGREN, ANDERS MD | Chicago | 102 | 70 | Office visit, established patient (20-29 min) | $11,469 (2018-2024) | Travel (58%) | Very High |
| SHAFFER, VIRGINIA M.D. | Chicago | 76 | 69 | Office visit, established patient (20-29 min) | $12,921 (2018-2024) | Consulting (76%) | Very High |
| PEREZ-TAMAYO, ALEJANDRA | Chicago | 76 | 49 | Hospital follow-up visit, moderate complexity | $246 (2021-2024) | Food & Beverage (100%) | Very High |
| RAKINIC, JAN M.D. | Springfield | 51 | 51 | Colonoscopy with biopsy | $1,248 (2018-2024) | Travel (74%) | Very High |
| GANTT, GERALD | Chicago | 42 | 38 | Office visit, established patient (20-29 min) | $17,702 (2018-2024) | Consulting (57%) | Very High |
| HYMAN, NEIL | Chicago | 41 | 36 | Office visit, established patient (30-39 min) | $20,434 (2018-2023) | Consulting (75%) | Very High |
| STEWART, DAVID M.D. | Springfield | 38 | 37 | New patient office visit, complex (60-74 min) | $4,748 (2019-2024) | Consulting (55%) | Very High |
| ORKIN, BRUCE MD | Urbana | 34 | 34 | Anoscopy | $7,743 (2018-2024) | Education (52%) | Very High |
| DEKOJ, THOMAS M.D. | Decatur | 25 | 15 | Office visit, established patient (20-29 min) | $5,660 (2018-2024) | Education (86%) | Very High |
Note: Colon & Rectal Surgery 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.