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RADIOLOGY SUBSPECIALISTS OF NORTHERN ILLINOIS LLC

PAC 2264717925 Physician group
DIAGNOSTIC RADIOLOGY · GENEVA, IL · hospital-affiliated
Specialty DIAGNOSTIC RADIOLOGY — most common member specialty (multi-specialty groups carry one label; see Methods)
Footprint Registered in GENEVA, IL · bills Medicare in 4 states (CO, IL, OH, WA)
Scale 32 providers on the CMS registry roster · 138 codes billed (five-year data window) · 60,570 services (all billed codes, CY2024)
Medicare paid $2.0M · across all billed codes, CY2024, attributed & disclosed
Affiliation Hospital-affiliated — at least one member holds a hospital affiliation in the CMS registry
Contact (630) 208-4412 — CMS registry listing
CMS Doctors & Clinicians registry · Medicare Part B physician/supplier claims · figures are attributed (single-group clinicians) and disclosed fee-for-service — a subset, never complete totals · group series shown over the most recent 5 years (rosters archived from 2019)
Group analytics

Who's billing in this group, plus the paid volume analytics · CY2024

Clinician makeup · CY2024
Physicians 31Advanced-practice 0Other clinicians 0= 31 clinicians billed · CY2024
By clinician headcount, CY2024. 'Physician' follows Medicare's §1861(r) definition (MD/DO, podiatry, optometry, dental medicine, chiropractic); facility and supplier enrollments are not counted as clinicians. These 31 are the clinicians who billed in CY2024 — a subset of the all-time registry roster shown on the group's identity card.

Billed 109 of the group's 138 codes this year, across 3 states (CY2024).

The full analytics for this group

Premium

The billed-volume rank, trajectory, and economics behind this group — computed on the same disclosed Medicare Part B data.

What Medicare paid this group in CY2024 is on the group's identity card — free, on every tier. Premium breaks that figure down per code and per service, and puts the volume behind it in national and peer context.

  • Per-code payment breakdown & avg $/service — dollars behind the volume
  • Beneficiary-episode volume — reach, not just service counts
  • Office vs. facility setting mix — place-of-service code split
  • National billed-volume rank — percentile, cohort & year disclosed
  • Size-peer billed-volume benchmark — vs. groups of similar size
  • Top-3 clinician share — how volume distributes
  • 5-year volume trend — direction across the window
  • Business mix — largest codes by payment

Rank and benchmark figures are billed-volume positions among peers, not measures of care. All figures attributed (single-group clinicians) and disclosed Medicare Part B fee-for-service.

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Medicare Part B FFS · CY2024 · as published by CMS

Provider volumes, all codes · CY2024

NPIProviderCredentialsTypeCitySt Services (all codes) locked column
1316007131 Tseng, Michael M.D. Diagnostic Radiology WinfieldIL premium
1275794653 Chiang, David M.D. Diagnostic Radiology AuroraIL premium
1083816185 Talanki, Kiran MD Diagnostic Radiology GenevaIL premium
1114364106 Sheth, Ravi MD Diagnostic Radiology ChicagoIL premium
1891158648 Briscoe, Joyce MD Diagnostic Radiology GenevaIL premium
1285990564 Ahmed, Fatma M.D. Diagnostic Radiology GenevaIL premium
1952406415 Nasralla, Craig M.D. Diagnostic Radiology GenevaIL premium
1740385210 Jayachandran, Sharmishtha M.D. Diagnostic Radiology GenevaIL premium
1760877385 Siddiqui, Faisal MD Diagnostic Radiology WinfieldIL premium
1841394368 Persak, Joseph M.D. Diagnostic Radiology GenevaIL premium
1114006145 Treanor, John M.D. Diagnostic Radiology WinfieldIL premium
1831509314 East, Lauren M.D. Diagnostic Radiology SeattleWA premium
1063598324 Zweig, Gregory MD Diagnostic Radiology SchaumburgIL premium
1770641136 Kelly, Mark Diagnostic Radiology WinfieldIL premium
1215432554 Zahir, Haziq DO Diagnostic Radiology MaywoodIL premium
1457762395 Magee, Andrea M. D. Diagnostic Radiology ChicagoIL premium
1770826398 Markese, Matthew M.D. Diagnostic Radiology AuroraCO premium
1902290091 Chhabra, Pankaj · member of 2 groups DO Diagnostic Radiology EvanstonIL premium
1497982334 Foley, Ryan · member of 2 groups M.D. Diagnostic Radiology ChicagoIL premium
1861784589 Haggerty, Jay · member of 2 groups M.D. Diagnostic Radiology RosevilleMN premium
1639274053 Jain, Sidney · member of 2 groups M.D Diagnostic Radiology GenevaIL premium
1437354115 Khan, Waseem · member of 2 groups M.D. Diagnostic Radiology WinfieldIL premium
1184078081 Mehta, Parin · member of 2 groups M.D. Diagnostic Radiology EvanstonIL premium
1942654033 Mirza, Mohammed · member of 2 groups M.D. Diagnostic Radiology New HavenCT premium
1669698825 Patel, Nilay · member of 2 groups M.D. Diagnostic Radiology WinfieldIL premium
1780789271 Philip, Binu · member of 2 groups M.D. Diagnostic Radiology GenevaIL premium
1548365026 Poruri, Kalyana · member of 2 groups M.D. Diagnostic Radiology GenevaIL premium
1184987356 Rahman, Saudur · member of 2 groups M.D. Diagnostic Radiology Lake ForestIL premium
1154610681 Shah, Sanket · member of 4 groups M.D. Diagnostic Radiology ChicagoIL premium
1780876177 Spirer, David · member of 3 groups M.D. Diagnostic Radiology Eden PrairieMN premium
1750519807 Tarkowski, Eric · member of 2 groups M.D. Diagnostic Radiology WinfieldIL premium

Volumes are attributed to a group only for clinicians affiliated with exactly one group. Clinicians in several groups are listed ("member of N groups") but shown as "—" — their volume is not attributed to any single group. A "—" on a single-group clinician means CMS suppressed the figure (fewer than 11 beneficiaries), never zero. Beneficiary-episodes count CMS's per-setting beneficiary figures, not unique patients. Average Medicare payment is the amount Medicare actually paid per service, weighted by service volume across office and facility settings. Where the roster is a single clinician, that clinician's service counts match the group's attributed volume shown on the ranked results, so they are shown here; the per-provider split across a larger roster is a premium feature. See Methods & Sources.