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ADVANCED RADIOLOGY SERVICES PC

PAC 4284546516 Physician group
DIAGNOSTIC RADIOLOGY · GRAND RAPIDS, MI · hospital-affiliated
Specialty DIAGNOSTIC RADIOLOGY — most common member specialty (multi-specialty groups carry one label; see Methods)
Footprint Registered in GRAND RAPIDS, MI · bills Medicare in 20 states
Scale 249 providers on the CMS registry roster · 311 codes billed (five-year data window) · 319,479 services (all billed codes, CY2024)
Medicare paid $8.4M · across all billed codes, CY2024, attributed & disclosed
Affiliation Hospital-affiliated — at least one member holds a hospital affiliation in the CMS registry
Contact (616) 363-7272 — 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 207Advanced-practice 28Other clinicians 0= 235 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 235 are the clinicians who billed in CY2024 — a subset of the all-time registry roster shown on the group's identity card.

Billed 227 of the group's 311 codes this year, across 7 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
1861889693 Killeen, Amy M.D. Diagnostic Radiology Grand RapidsMI premium
1992723217 Fedeson, Brian MD Interventional Radiology Grand RapidsMI premium
1497752448 Swallow, Charles M.D. Diagnostic Radiology Grand RapidsMI premium
1992738793 Ervine, Susan MD Diagnostic Radiology HollandMI premium
1073561510 Baker, Kevin DO Diagnostic Radiology Grand RapidsMI premium
1922289859 Rogers, Clinton MD Diagnostic Radiology Grand RapidsMI premium
1912165747 Morrison, James M.D. Interventional Radiology Grand RapidsMI premium
1013100312 Banyon, Brendan M.D. Diagnostic Radiology Grand RapidsMI premium
1730159260 Veenhuis, Chandler D.O. Diagnostic Radiology Grand RapidsMI premium
1013939297 Morrow, Keith D.O. Diagnostic Radiology Grand RapidsMI premium
1992723332 Fry, David MD Diagnostic Radiology WarrenMI premium
1801918396 Warpinski, Amy D.O. Diagnostic Radiology Grand RapidsMI premium
1144533381 Konwinski, Ryan M.D. Diagnostic Radiology Grand RapidsMI premium
1235336942 Payne, Eric M.D. Diagnostic Radiology Grand RapidsMI premium
1831115294 Zarewych, Zenon MD Diagnostic Radiology WarrenMI premium
1740219278 Gurizzian, Darin DO Diagnostic Radiology LudingtonMI premium
1427081975 Kucej, Brett M.D. Diagnostic Radiology Grand RapidsMI premium
1720157753 Sheldon, Lucas MD Diagnostic Radiology Grand RapidsMI premium
1710905153 Macek, Daniel MD Diagnostic Radiology WarrenMI premium
1013127117 Griffith, Jason D.O. Diagnostic Radiology WarrenMI premium
1235154840 Notarnicola, Jon-Eric MD Diagnostic Radiology Grand RapidsMI premium
1114242930 Amin, Alkesh M.D. Interventional Radiology MariettaGA premium
1073642674 Hollstein, Rolf M.D. Diagnostic Radiology Grand RapidsMI premium
1497798268 Ludema, Kelly D.O. Diagnostic Radiology Grand RapidsMI premium
1922157817 Mulderink, Todd MD Diagnostic Radiology Grand RapidsMI premium
1952354896 Daly, Caroline MD Diagnostic Radiology Grand RapidsMI premium
1023346483 Friess, Zachary D.O. Diagnostic Radiology SayrePA premium
1417172768 Mithalal, Rajesh M.D. Diagnostic Radiology Grand RapidsMI premium
1770530909 Kranendonk, Bradley M.D. Diagnostic Radiology Grand RapidsMI premium
1326488156 Friedman, Saul MD Diagnostic Radiology Grand RapidsMI premium
1700099561 Mianecki, Christopher D.O. Diagnostic Radiology Grand RapidsMI premium
1881642668 Serra, Alexander MD Diagnostic Radiology Grand RapidsMI premium
1396963336 Buchach, Christopher M.D. Diagnostic Radiology Grand RapidsMI premium
1831151802 Waack, Matthew MD Diagnostic Radiology Grand RapidsMI premium
1912942061 Baghelai, Polya MD Diagnostic Radiology South BendIN premium
1811220007 Therasse, Christopher M.D. Diagnostic Radiology Grand RapidsMI premium
1184885477 Nash, Andrew MD Diagnostic Radiology Grand RapidsMI premium
1902225337 Vossler, Stephen MD Diagnostic Radiology Grand RapidsMI premium
1255529285 Albeiruti, Abdul-Rahman M.D. Diagnostic Radiology Grand RapidsMI premium
1700965316 Chojnacki, Anna MD Diagnostic Radiology Grand RapidsMI premium
1417982877 Manning, Thomas M.D. Diagnostic Radiology Grand RapidsMI premium
1083094676 Martin, Alex D.O. Diagnostic Radiology Grand RapidsMI premium
1447279716 Moore, Craig MD Diagnostic Radiology Grand RapidsMI premium
1780623793 Lazzaro, Carlo MD Diagnostic Radiology Grand RapidsMI premium
1316268543 Johnston, Jennifer M.D. Diagnostic Radiology Grand RapidsMI premium
1578090445 Kapral, Nicole MD Diagnostic Radiology Grand RapidsMI premium
1417158619 Oostveen, Robert MD Diagnostic Radiology Grand RapidsMI premium
1285020982 Reagan, Justin MD Diagnostic Radiology Grand RapidsMI premium
1396002796 Newman, Grace BS, MD Diagnostic Radiology Grand RapidsMI premium
1427580083 Beswick, Zachary MD Diagnostic Radiology Grand RapidsMI premium
1811258692 Schulte, Joseph MD Diagnostic Radiology Grand RapidsMI premium
1124408620 Mettler, John MD Diagnostic Radiology Grand RapidsMI premium
1437578457 Homa, David M.D. Diagnostic Radiology Grand RapidsMI premium
1497787469 Maas, Edward MD Diagnostic Radiology HollandMI premium
1164742615 Ryan, Michael M.D. Diagnostic Radiology Ann ArborMI premium
1912347725 Allen, Scott MD Diagnostic Radiology Grand RapidsMI premium
1053831362 Hioe, Tanya DO Diagnostic Radiology Grand RapidsMI premium
1487073979 Merritt, Bryce MD Diagnostic Radiology Grand RapidsMI premium
1144252107 Perriguey, Gerald DO Diagnostic Radiology HollandMI premium
1851747422 Gleason, Tyler M.D. Diagnostic Radiology Grand RapidsMI premium
1194778787 Gal, Christine M.D. Diagnostic Radiology Grand RapidsMI premium
1356557896 Raduazo, Phillip MD Diagnostic Radiology Grand RapidsMI premium
1609167055 Reyes-Salavarria, Emmanuel M.D. Diagnostic Radiology Grand RapidsMI premium
1417942814 Syed, Ibrahim M.D. Diagnostic Radiology Grand RapidsMI premium
1588691950 Ananich, Marina MD Diagnostic Radiology Grand RapidsMI premium
1174543102 Farrar, Gerard MD Interventional Radiology Grand RapidsMI premium
1114943255 Shreve, Paul MD Diagnostic Radiology Grand RapidsMI premium
1225567902 Hartley-Blossom, Zachary MD Diagnostic Radiology Grand RapidsMI premium
1174542724 Larson, James MD Diagnostic Radiology Grand RapidsMI premium
1982928826 Asali, Katia Diagnostic Radiology Royal OakMI premium
1386663920 Knox, Michael MD Interventional Radiology Grand RapidsMI premium
1205366630 Banga, Preeti MD Diagnostic Radiology Grand RapidsMI premium
1043446842 Wang, Qi M.D. Diagnostic Radiology Grand RapidsMI premium
1437175726 Porcari, Angelo MD Diagnostic Radiology Grand RapidsMI premium
1467488759 Koss, Ann DO Diagnostic Radiology LudingtonMI premium
1679591499 Jacobs, Christina MD Diagnostic Radiology Grand RapidsMI premium
1841235934 Judge, Harpreet MD Diagnostic Radiology Saint JosephMI premium
1023245404 Moriarity, Andrew M.D. Diagnostic Radiology Grand RapidsMI premium
1124477237 Brown, Kevin MD Diagnostic Radiology Grand RapidsMI premium
1558658120 Margiewicz, Stefan Diagnostic Radiology Royal OakMI premium
1386843696 Gibson, Aaron D.O. Diagnostic Radiology Grand RapidsMI premium
1376575340 Tanis, Jeffrey MD Diagnostic Radiology HollandMI premium
1518301159 Porbandarwala, Nabeel M.D. Diagnostic Radiology Grand RapidsMI premium
1922256270 Ghadimi Mahani, Maryam M.D. Diagnostic Radiology Grand RapidsMI premium
1699185561 Perone, Michael MD Diagnostic Radiology Grand RapidsMI premium
1073743647 Mills, Michael M.D. Diagnostic Radiology Grand RapidsMI premium
1578723482 Vander Lugt, Joel M. D. Interventional Radiology Grand RapidsMI premium
1487860482 Yusaf, Nadia M.D. Diagnostic Radiology RochesterNY premium
1184987521 Chacko, Serena M.D. Diagnostic Radiology Grand RapidsMI premium
1366412942 Ludka, Mark M.D. Diagnostic Radiology SaginawMI premium
1477511616 Knake, Jeffrey MD Diagnostic Radiology Grand RapidsMI premium
1811125511 Rose, Matthew M.D. Diagnostic Radiology Grand RapidsMI premium
1285081513 Kuhnlein, Ryan M.D. Diagnostic Radiology Grand RapidsMI premium
1447296777 Morrill, Jeffery D.O. Diagnostic Radiology Grand RapidsMI premium
1245259803 Larson, Kerry MD Diagnostic Radiology Grand RapidsMI premium
1760542112 Singh, Harkiran M.D. Diagnostic Radiology Grand RapidsMI premium
1518304666 Scola, Dominic M.D. Interventional Radiology Grand RapidsMI premium
1356743959 Hock, Alicia NURSE PRACTITIONER Nurse Practitioner Grand RapidsMI premium
1407815137 Gorsuch, Dean Diagnostic Radiology Grand RapidsMI premium
1841671690 Swenson, Christopher M.D. Interventional Radiology Grand RapidsMI premium
1639342777 Humphrey, Kathryn M.D. Diagnostic Radiology Grand RapidsMI premium
1811308588 Johnson, Michael M.D. Diagnostic Radiology Grand RapidsMI premium
1164529145 Duhn, Ryan Diagnostic Radiology Grand RapidsMI premium
1629096854 Freeby, John MD Diagnostic Radiology Grand RapidsMI premium
1962465476 Lichtenberg, Richard M.S. Interventional Radiology HarveyIL premium
1619993540 Deguzman, Robert DO Diagnostic Radiology Grand RapidsMI premium
1205092541 Patel, Anant M.D. Diagnostic Radiology Grand RapidsMI premium
1215394580 Rucker, Stephen PA-C Physician Assistant KalamazooMI premium
1003842949 Remes, Geoffrey M.D. Diagnostic Radiology Grand RapidsMI premium
1639362346 Daily, Ryan M.D. Interventional Radiology Grand RapidsMI premium
1124777966 Wente, Stephanie NP Nurse Practitioner Grand RapidsMI premium
1457724965 Agbley, Eyoome PA-C Physician Assistant Grand RapidsMI premium
1205855566 Mccullough, Neil MD Diagnostic Radiology Grand RapidsMI premium
1245594142 Mander, Anjali M.D. Diagnostic Radiology Grand RapidsMI premium
1003895228 Mourelatos, Jan M.D. Diagnostic Radiology Grand RapidsMI premium
1659397867 Cunningham, Theodore MD Diagnostic Radiology Grand RapidsMI premium
1609371988 Pozivilko, David MD Diagnostic Radiology Grand RapidsMI premium
1649634098 Rosen, Kelli DO Diagnostic Radiology Grand RapidsMI premium
1932639754 Sonnabend, Kyle DO Interventional Radiology Grand RapidsMI premium
1558674689 Smetts, Matthew M.D. Interventional Radiology Grand RapidsMI premium
1053769299 Haroun, Reham MD Interventional Radiology Grand RapidsMI premium
1952892911 Waldrop, Matthew MD Diagnostic Radiology Grand RapidsMI premium
1871930107 Patel, Shivang D.O. Interventional Radiology Grand RapidsMI premium
1710308069 Patel, Chirag M.D. Interventional Radiology Grand RapidsMI premium
1982864518 Sams, Cassandra MD Diagnostic Radiology Grand RapidsMI premium
1225085996 Shin, Andrew MD Diagnostic Radiology Grand RapidsMI premium
1861603797 Durham, Todd M.D. Interventional Radiology Grand RapidsMI premium
1710164819 Slater, William M.D. Interventional Radiology Grand RapidsMI premium
1639188428 Geissler, Jeffrey PA-C Physician Assistant Grand RapidsMI premium
1750300422 Vanerp, Jeffrey MD Interventional Radiology Grand RapidsMI premium
1356371868 Timmerman, Kevin FNP Nurse Practitioner Grand RapidsMI premium
1992154058 Savin, Jeffrey M.D. Interventional Radiology Grand RapidsMI premium
1699731299 Henderson, Michael DO Diagnostic Radiology Grand RapidsMI premium
1366495756 Guikema, Jeffrey PA Physician Assistant Grand RapidsMI premium
1689165649 Chen, Yifei MD Diagnostic Radiology Grand RapidsMI premium
1508875402 Cox, Curtis NP Nurse Practitioner Grand RapidsMI premium
1982068599 Du, Tianyi MD Diagnostic Radiology Grand RapidsMI premium
1720308703 Walker, Lisa M.D. Diagnostic Radiology DetroitMI premium
1811418106 Luzum, Chelsea PA Physician Assistant Grand RapidsMI premium
1013204916 Forsyth, Andrew M.D. Interventional Radiology KalamazooMI premium
1619230513 Conner, Brandy DO Diagnostic Radiology Grand RapidsMI premium
1629001185 Chesnut, Jeffrey DO Diagnostic Radiology Grand RapidsMI premium
1013964550 Sobota, Caroline M.D. Diagnostic Radiology BoiseID premium
1104866086 Tenbrink, James PA Physician Assistant Grand RapidsMI premium
1144783218 Beckius, Saralyn Diagnostic Radiology Grand RapidsMI premium
1639226582 Pierre, Ketsia MD Diagnostic Radiology Grand RapidsMI premium
1386673853 Andersen, Michelle C.F.N.P. Nurse Practitioner Grand RapidsMI premium
1972527323 Votruba, Michael MD Diagnostic Radiology Grand RapidsMI premium
1285653063 Riga, Patrice MD Diagnostic Radiology Grand RapidsMI premium
1164472619 Decker, Kimberly PA Physician Assistant Grand RapidsMI premium
1144754011 Saeed Bamashmos, Anas M.D Diagnostic Radiology Grand RapidsMI premium
1013117209 Allman, Danielle NP Nurse Practitioner KalamazooMI premium
1912916743 Hagedorn, Jeffrey PA-C Physician Assistant Grand RapidsMI premium
1942589874 Mcmorris, Tara M.S., PA-C Physician Assistant KalamazooMI premium
1528791647 Briggs, Patricia Physician Assistant Grand RapidsMI premium
1487627733 Ray, Jenna PA-C Physician Assistant Grand RapidsMI premium
1033370366 Swendrowski, Kristen RD, PA-C Physician Assistant Grand RapidsMI premium
1497775514 Vanassche, Bradley MD Diagnostic Radiology PetoskeyMI premium
1992167027 Sutton, Heather PHYSICIAN ASSISTANT Physician Assistant DetroitMI premium
1881995447 Otten, Elizabeth PA-C Physician Assistant Grand RapidsMI premium
1063821056 Quick, Jeanette FNP-BC Nurse Practitioner Grand RapidsMI premium
1114095858 Lacka, Ewa M.D. Diagnostic Radiology DetroitMI premium
1235158171 Pennes, David MD Diagnostic Radiology Grand RapidsMI premium
1124038914 Wolfert, Amy NP Nurse Practitioner Grand RapidsMI premium
1013103001 Wilson, Bryant PA-C Physician Assistant Grand RapidsMI premium
1548990195 Burdis, Natalie NP Nurse Practitioner Grand RapidsMI premium
1013935626 Junewick, Joseph MD Diagnostic Radiology Grand RapidsMI premium
1104426162 Velasco, Sherry NP Nurse Practitioner SterlingMI premium
1952382194 Crum, Elizabeth PA-C Physician Assistant Grand RapidsMI premium
1679005052 Newton, James MD Diagnostic Radiology Grand RapidsMI premium
1851596654 Christy, Matthew M.D. Diagnostic Radiology Grand RapidsMI premium
1275580672 Kelly, Teresa M.D Diagnostic Radiology Grand RapidsMI premium
1104293646 Haskin, Lauren PA Physician Assistant Grand RapidsMI premium
1245263748 Bezinque, Steven DO Diagnostic Radiology Grand RapidsMI premium
1073068748 Alarini, Mahmoud · member of 4 groups MD Nuclear Medicine CharlottesvilleVA premium
1619289501 Ali, Reehan · member of 3 groups D.O. Diagnostic Radiology Farmington HillsMI premium
1033193636 Al-Karmi, Lana · member of 4 groups MD Diagnostic Radiology Riviera BeachFL premium
1699020776 Anbari, Hassan · member of 2 groups MD Diagnostic Radiology Ann ArborMI premium
1114190782 Barakat, Omar · member of 10 groups M.D. Diagnostic Radiology ValparaisoIN premium
1417185240 Bieszczad, Jacob · member of 2 groups MD Diagnostic Radiology ToledoOH premium
1598853087 Blanchard, Earl · member of 8 groups M.D. Diagnostic Radiology RidgelandMS premium
1265093165 Brancel, Stefan · member of 2 groups MD Diagnostic Radiology Grand RapidsMI premium
1821264268 Cento, Enzo · member of 2 groups M D Diagnostic Radiology IndianapolisIN premium
1134175441 Childs, Abigail · member of 10 groups M.D. Diagnostic Radiology WorcesterMA premium
1376702852 Chon, Jason · member of 12 groups M.D. Diagnostic Radiology ChicagoIL premium
1851314363 Cohen, Robert · member of 4 groups M.D. Diagnostic Radiology S PasadenaCA premium
1053756361 Craig, Patrick · member of 3 groups DO Diagnostic Radiology WichitaKS premium
1144486481 Deleeuw, Catherine · member of 4 groups MD Diagnostic Radiology Grand RapidsMI premium
1326049727 Do-Dai, Daniel · member of 2 groups M.D. Diagnostic Radiology Grand RapidsMI premium
1306492517 Eldeen, Mohamed · member of 6 groups MD Diagnostic Radiology ChicagoIL premium
1184619637 Engel, Alan · member of 2 groups MD Diagnostic Radiology Grand RapidsMI premium
1598059628 Golshani, Ashkahn · member of 4 groups MD Diagnostic Radiology AddisonTX premium
1548521883 Gupta, Supriya · member of 35 groups MD Diagnostic Radiology KankakeeIL premium
1881181402 Hadied, Mohamad · member of 2 groups MD Diagnostic Radiology ToledoOH premium
1225083942 Hardin, Robert · member of 5 groups MD Diagnostic Radiology RidgelandMS premium
1104028026 Heilala, Mark · member of 2 groups MD Diagnostic Radiology Grand RapidsMI premium
1396833893 Hosey, Jason · member of 8 groups M.D. Diagnostic Radiology RidgelandMS premium
1386887750 Joshi, Sarika · member of 3 groups MD Diagnostic Radiology DetroitMI premium
1992951677 Kosmas, Christos · member of 5 groups MD Diagnostic Radiology ClevelandOH premium
1578902441 Lehmann, Esther · member of 3 groups M.D. Diagnostic Radiology Grand RapidsMI premium
1720006489 Lohmeier, Justin · member of 4 groups M.D. Diagnostic Radiology TupeloMS premium
1437387214 Macfarlane, Jarrod · member of 3 groups D.O. Interventional Radiology Du BoisPA premium
1275568826 Mammen, Leena · member of 4 groups MD Diagnostic Radiology FayettevilleNC premium
1851325971 Merchun, John · member of 2 groups MD Diagnostic Radiology GreenvilleMI premium
1912255340 Mithqal, Ayman · member of 8 groups M.D. Diagnostic Radiology CharlottesvilleVA premium
1205219904 Mlacker, Gregory · member of 3 groups M.D. Diagnostic Radiology Grand RapidsMI premium
1699087569 Morden, Peter · member of 2 groups M.D. Diagnostic Radiology Grand RapidsMI premium
1396056321 Morrison, Trevor · member of 10 groups M.D. Diagnostic Radiology MchenryIL premium
1588861728 Musabji, Aris · member of 2 groups MD Diagnostic Radiology WheatonIL premium
1831118744 Nye, Peter · member of 2 groups MD Diagnostic Radiology Grand RapidsMI premium
1164728820 Patel, Romil · member of 6 groups M.D. Diagnostic Radiology BedfordNH premium
1184643025 Patrick, David · member of 2 groups DO Diagnostic Radiology JacksonMI premium
1457375016 Pellegrini, James · member of 8 groups M.D. Diagnostic Radiology AppletonWI premium
1861703589 Pipitone, Baldassare · member of 4 groups D.O. Diagnostic Radiology Ann ArborMI premium
1528221603 Powell, Shannon · member of 2 groups MD Diagnostic Radiology DaytonOH premium
1225009236 Ratani, Rita · member of 2 groups M.D. Diagnostic Radiology Grand RapidsMI premium
1457434524 Rawson, David · member of 2 groups DO Diagnostic Radiology Grand RapidsMI premium
1699727313 Reier, Allan · member of 4 groups MD Diagnostic Radiology IndianapolisIN premium
1639589401 Rezvani, Shahab · member of 3 groups MD Diagnostic Radiology DelandFL premium
1376200584 Roelofs, Justin · member of 2 groups FNP-C Nurse Practitioner Grand RapidsMI premium
1528300555 Ross, Jason · member of 9 groups M.D. Diagnostic Radiology LivingstonTX premium
1619936424 Shah, Biren · member of 2 groups MD Diagnostic Radiology Grand RapidsMI premium
1952371429 Shah, Biren · member of 4 groups M.D. Diagnostic Radiology RichmondVA premium
1164724449 Shiehmorteza, Masoud · member of 10 groups M.D. Diagnostic Radiology AlbuquerqueNM premium
1225310774 Shields, Rachel · member of 3 groups M.D Diagnostic Radiology DetroitMI premium
1083975361 Siddiqui, Arsalan · member of 8 groups M.D. Diagnostic Radiology BakersfieldCA premium
1689609794 Sorrell, Catherine · member of 12 groups MD Diagnostic Radiology RidgelandMS premium
1568662369 Toulabi, Babak · member of 9 groups MD Diagnostic Radiology HoustonTX premium
1538130224 Vattipally, Venkatramana · member of 2 groups M.D. Diagnostic Radiology Grand RapidsMI premium
1477781524 Vollmer, Stuart · member of 2 groups M.D. Diagnostic Radiology Grand RapidsMI premium
1700140068 Warren, Michael · member of 4 groups M.D. Interventional Radiology SaginawMI premium
1275594293 Worrell, Stewart · member of 4 groups M.D. Diagnostic Radiology MaywoodIL premium
1073941936 Yacob, Sammy · member of 2 groups D.O. Diagnostic Radiology CharlotteNC premium
1902878838 Yee, Harvey · member of 3 groups M.D. Diagnostic Radiology Grand RapidsMI premium
1639393234 Yilmaz-Saab, Zeynep · member of 3 groups M.D. Diagnostic Radiology Ann ArborMI 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.