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NAPERVILLE RADIOLOGISTS SC

PAC 3870492572 Physician group
DIAGNOSTIC RADIOLOGY · NAPERVILLE, IL · hospital-affiliated
Specialty DIAGNOSTIC RADIOLOGY — most common member specialty (multi-specialty groups carry one label; see Methods)
Footprint Registered in NAPERVILLE, IL · bills Medicare in 3 states (IL, NC, NV)
Scale 16 providers on the CMS registry roster · 152 codes billed (five-year data window) · 53,428 services (all billed codes, CY2024)
Medicare paid $1.5M · across all billed codes, CY2024, attributed & disclosed
Affiliation Hospital-affiliated — at least one member holds a hospital affiliation in the CMS registry
Contact (630) 484-5493 — 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 16Advanced-practice 0Other clinicians 0= 16 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 16 are the clinicians who billed in CY2024 — a subset of the all-time registry roster shown on the group's identity card.

Billed 115 of the group's 152 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
1235179409 Nazerian, Alan M.D. Diagnostic Radiology Oak BrookIL premium
1821520875 Patel, Priyesh Diagnostic Radiology NapervilleIL premium
1396938148 Chaudhari, Rakesh M.D. Diagnostic Radiology WoodridgeIL premium
1831280494 Fagan, Brian MD Diagnostic Radiology JolietIL premium
1174700942 Patel, Nimesh M.D. Diagnostic Radiology NapervilleIL premium
1922264373 Ali, Adnan M.D. Diagnostic Radiology DurhamNC premium
1972553261 Eklund, Heidi MD Diagnostic Radiology NapervilleIL premium
1518117514 Vaghani, Ankur M.D. Diagnostic Radiology NapervilleIL premium
1376755272 Vasireddy, Syam MD, MS Diagnostic Radiology SpringfieldIL premium
1821254830 Yeh, Rick MD Diagnostic Radiology Las VegasNV premium
1326099722 Singer, Todd MD Diagnostic Radiology NapervilleIL premium
1023085941 Malik, Amaar DO Diagnostic Radiology NapervilleIL premium
1346479102 Stromberg, Leroy MD Diagnostic Radiology BerwynIL premium
1104802016 Girardot, Jeffrey MD Diagnostic Radiology NapervilleIL premium
1942731757 Chun, Penuel · member of 2 groups Interventional Radiology EvanstonIL premium
1710116579 Poccia, Julia · member of 2 groups MD Diagnostic Radiology MaywoodIL 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.