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IU HEALTH MEDICAL GROUP RILEY SPECIALISTS LLC

PAC 9638669815 Physician group
PEDIATRIC MEDICINE · INDIANAPOLIS, IN · hospital-affiliated
Specialty PEDIATRIC MEDICINE — most common member specialty (multi-specialty groups carry one label; see Methods)
Footprint Registered in INDIANAPOLIS, IN · bills Medicare in 1 state (IN)
Scale 223 providers on the CMS registry roster · 22 codes billed (five-year data window) · 925 services (all billed codes, CY2024)
Medicare paid $78K · across all billed codes, CY2024, attributed & disclosed
Affiliation Hospital-affiliated — at least one member holds a hospital affiliation in the CMS registry
Contact (888) 484-3258 — 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 27Advanced-practice 0Other clinicians 1= 28 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 28 are the clinicians who billed in CY2024 — a subset of the all-time registry roster shown on the group's identity card.

Billed 9 of the group's 22 codes this year, across 1 state (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
Data year: CY2024 CY2023 CY2022  CY2021  CY2020 

Provider volumes, all codes · CY2024

NPIProviderCredentialsTypeCitySt Services (all codes)
1073553293 Wood, Christopher MD Emergency Medicine LafayetteIN
1992703581 Hall, Debbie MD Pediatric Medicine BloomingtonIN
1043328057 Nailescu, Corina MD Nephrology IndianapolisIN
1912959743 Markham, Larry M.D. Cardiology IndianapolisIN
1184607038 Blakley, Michael · member of 2 groups MD Internal Medicine IndianapolisIN
1699863647 Fons, Mark · member of 3 groups DO Pathology ColumbusIN
1326481219 Hays, Geoffrey · member of 3 groups MD Emergency Medicine IndianapolisIN
1467714907 Huang, Christine · member of 3 groups MD Emergency Medicine IndianapolisIN
1356605299 Jin, Jay · member of 3 groups MD Internal Medicine IndianapolisIN
1790929842 Jones, Matthew · member of 3 groups MD Diagnostic Radiology IndianapolisIN
1013302769 Joshi, Priya · member of 3 groups O.D. Optometry SalisburyNC
1750320107 Karmazyn, Boaz · member of 3 groups MD Diagnostic Radiology IndianapolisIN
1679703730 Lay, Sara · member of 3 groups M.D. Diagnostic Radiology IndianapolisIN
1538127501 Misseri, Rosalia · member of 2 groups M.D. Urology IndianapolisIN
1427224328 Myers, Ward · member of 2 groups MD Emergency Medicine IndianapolisIN
1144221326 Neely, Daniel · member of 3 groups MD Ophthalmology IndianapolisIN
1558696179 Rehal, Baljit · member of 2 groups AU.D, CCC-A Audiologist IndianapolisIN
1154681369 Roth, Joshua · member of 2 groups M.D. Urology IndianapolisIN
1053845289 Santiago, Jason · member of 2 groups MD Neurology Fort WayneIN
1689933020 Schneider, Jackson · member of 3 groups MD Infectious Disease IndianapolisIN
1376937607 Shields, Jared · member of 3 groups MD Diagnostic Radiology IndianapolisIN
1194110494 Slubowski, Daniel · member of 3 groups MD Emergency Medicine CarmelIN
1184625311 Sprunger, Derek · member of 3 groups MD Ophthalmology CarmelIN
1578820585 Streicher, Drew · member of 3 groups M.D. Diagnostic Radiology IndianapolisIN
1568880227 Studyvin, Sarah · member of 2 groups DO Cardiology IndianapolisIN
1205140431 Supakul, Nucharin · member of 3 groups M.D. Diagnostic Radiology IndianapolisIN
1811288152 Watters, Aaron · member of 3 groups MD Pediatric Medicine IndianapolisIN
1932498904 Whitehead, Anne · member of 3 groups MD Emergency Medicine IndianapolisIN

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.