77334 — Design and construction of complex radiation treatment device
454,140 observed fee-for-service (49%) · ~470,159 estimated Medicare Advantage. Scaled from the observed floor by each state’s fee-for-service share (FFS share as of 2024) — scaled estimate — assumes MA utilization mirrors FFS; not an observation. How we scale
Disclosed Medicare fee-for-service services by billing state; open a bar for that state's ranked market. Average submitted charge / service by billing state, among the highest-volume states; open a bar for that state's ranked market.
- Market position — where this market sits on volume and growth among all state markets, and its rank.
- Worth a look — every state market for this search, ranked by a published score: size, growth, fragmentation, below-expected volume.
- Lookalike opportunities — groups billing below what peers of the same specialty, size, and state predict, with the expected figure shown.
- National benchmarks — where each group's volume sits nationally and within its specialty.
- Market structure — how concentrated this market is, and who owns the volume.
- Medicare-wide scaling — the exact payer split, and this market total scaled to all of Medicare, labeled as an estimate.
Nevvi's market analytics platform — code baskets, market structure and share, the twelve-year trend layer — is built and not launched yet. We're gathering interest in it.
Notify me at launch →| # | Physician group | City | St | Specialty | Providers | 77334 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | TEXAS ONCOLOGY PA | DALLAS | TX | PHYSICIAN ASSISTANT | 995 | 12,354 | $8,519,620 | $690 | premium | 30.3% | — |
| 2 | PHYSICIANS REFERRAL SERVICE | HOUSTON | TX | NURSE PRACTITIONER | 2696 | 7,782 | $5,565,174 | $715 | premium | 19.1% | (713) 592-5433 |
| 3 | CITY OF HOPE MEDICAL FOUNDATION | DUARTE | CA | NURSE PRACTITIONER | 942 | 5,773 | $1,828,630 | $317 | premium | 8.6% | (626) 256-4673 |
| 4 | ADVOCATE RADIATION ONCOLOGY LLC | PORT CHARLOTTE | FL | RADIATION ONCOLOGY | 21 | 4,822 | $1,554,685 | $322 | premium | 8.3% | (941) 883-2199 |
| 5 | MAYO CLINIC | ROCHESTER | MN | NURSE PRACTITIONER | 4896 | 4,648 | $2,744,173 | $590 | premium | 46.1% | (507) 284-2511 |
| 6 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 4,334 | $1,852,982 | $428 | premium | 13.3% | (212) 263-9700 |
| 7 | AQUA DERMATOLOGY OF FLORIDA, PA | NAPLES | FL | PHYSICIAN ASSISTANT | 184 | 4,262 | $1,097,315 | $257 | premium | 7.3% | (239) 596-9075 |
| 8 | GENESISCARE USA OF FLORIDA LLC | CAPE CORAL | FL | UROLOGY | 175 | 4,053 | $2,362,531 | $583 | premium | 6.9% | — |
| 9 | RIVERSIDE PHYSICIAN SERVICES INC | NEWPORT NEWS | CA | PHYSICIAN ASSISTANT | 793 | 3,356 | $510,112 | $152 | premium | 5.0% | — |
| 10 | H LEE MOFFITT CANCER CTR AND RES INST LIFE TIME CANCER SCRN CTR INC | TAMPA | FL | PHYSICIAN ASSISTANT | 1103 | 3,289 | $718,363 | $218 | premium | 5.6% | (813) 745-4673 |
| 11 | STANFORD HEALTH CARE | STANFORD | CA | DIAGNOSTIC RADIOLOGY | 3039 | 3,252 | $2,587,035 | $796 | premium | 4.8% | (650) 723-4000 |
| 12 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 3,123 | $1,782,645 | $571 | premium | 4.6% | (415) 600-1020 |
| 13 | SCRIPPS HEALTH | LA JOLLA | CA | PHYSICIAN ASSISTANT | 1431 | 3,052 | $1,328,554 | $435 | premium | 4.5% | (858) 455-9100 |
| 14 | WELLSTAR MEDICAL GROUP LLC | MARIETTA | GA | NURSE PRACTITIONER | 3060 | 3,009 | $560,306 | $186 | premium | 18.2% | (770) 422-2004 |
| 15 | CARTI ONCOLOGY SOLUTIONS LLC | LITTLE ROCK | AR | RADIATION ONCOLOGY | 13 | 2,985 | $932,307 | $312 | premium | 31.9% | 50190630003044 |
| 16 | RADIATION ONCOLOGY CONSULTANTS, LTD | BARRINGTON | IL | RADIATION ONCOLOGY | 18 | 2,749 | $1,330,516 | $484 | premium | 10.3% | (847) 842-0300 |
| 17 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | NY | PHYSICIAN ASSISTANT | 6294 | 2,588 | $1,651,818 | $638 | premium | 7.9% | — |
| 18 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 2,549 | $1,671,002 | $656 | premium | 3.8% | (916) 681-8852 |
| 19 | UNIVERSITY OF PENN - MEDICAL GROUP | PHILADELPHIA | PA | PHYSICIAN ASSISTANT | 3505 | 2,544 | $511,968 | $201 | premium | 8.8% | (215) 662-2777 |
| 20 | REGIONAL CANCER CARE ASSOCIATES LLC | HACKENSACK | NJ | HEMATOLOGY/ONCOLOGY | 153 | 2,528 | $610,730 | $242 | premium | 13.9% | (201) 996-2210 |
| 21 | NORTH ATLANTA PROFESSIONAL SERVICES LLC | ATLANTA | GA | INTERNAL MEDICINE | 427 | 2,505 | $466,488 | $186 | premium | 15.2% | (404) 851-8000 |
| 22 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 2,430 | $1,246,900 | $513 | premium | 9.1% | — |
| 23 | FLORIDA CANCER SPECIALISTS AND RESEARCH INSTITUTE, LLC | FORT MYERS | FL | HEMATOLOGY/ONCOLOGY | 437 | 2,402 | $780,650 | $325 | premium | 4.1% | (239) 561-9622 |
| 24 | ACKERMAN CANCER CENTER PA | JACKSONVILLE | FL | RADIATION ONCOLOGY | 10 | 2,337 | $1,113,270 | $476 | premium | 4.0% | (904) 260-3022 |
| 25 | RADIATION ONCOLOGY ASSOCIATES, PA | MANCHESTER | NH | RADIATION ONCOLOGY | 23 | 2,329 | $565,693 | $243 | premium | 54.9% | (603) 663-1800 |
| 26 | MAYO CLINIC ARIZONA | PHOENIX | AZ | PHYSICIAN ASSISTANT | 1635 | 2,286 | $1,397,804 | $611 | premium | 16.6% | (800) 603-0558 |
| 27 | TUMOR INSTITUTE RADIATION ONCOLOGY GROUP LLP | SEATTLE | WA | RADIATION ONCOLOGY | 17 | 2,182 | $794,248 | $364 | premium | 15.2% | (209) 386-2323 |
| 28 | OSU RADIATION ONCOLOGY LLC | COLUMBUS | OH | RADIATION ONCOLOGY | 47 | 2,175 | $488,717 | $225 | premium | 9.3% | (614) 293-8415 |
| 29 | WEST COUNTY RADIOLOGICAL GROUP INC | SAINT LOUIS | MO | DIAGNOSTIC RADIOLOGY | 104 | 2,161 | $555,895 | $257 | premium | 15.4% | (314) 941-5600 |
| 30 | UNIVERSITY OF VIRGINIA PHYSICIANS GROUP | CHARLOTTESVILLE | VA | NURSE PRACTITIONER | 1704 | 2,138 | $593,360 | $278 | premium | 12.7% | (434) 924-5959 |
| 31 | CANCER CARE GROUP PC | INDIANAPOLIS | IN | RADIATION ONCOLOGY | 21 | 2,067 | $714,690 | $346 | premium | 14.2% | (317) 715-1800 |
| 32 | RADIATION ONCOLOGY ASSOCIATES PC | FAIRFAX | VA | RADIATION ONCOLOGY | 23 | 2,059 | $361,690 | $176 | premium | 12.3% | (571) 472-0606 |
| 33 | ALLEGHENY CLINIC | PITTSBURGH | PA | PHYSICIAN ASSISTANT | 2293 | 1,989 | $444,718 | $224 | premium | 6.9% | — |
| 34 | THE ASSOCIATION OF UNIVERSITY PHYSICIANS | SEATTLE | WA | PHYSICIAN ASSISTANT | 3612 | 1,865 | $419,327 | $225 | premium | 13.0% | (206) 364-0500 |
| 35 | YALE UNIVERSITY | NEW HAVEN | CT | PHYSICIAN ASSISTANT | 2649 | 1,843 | $608,190 | $330 | premium | 26.5% | (203) 688-4242 |
| 36 | MINNEAPOLIS RADIATION ONCOLOGY PA | NEW RICHMOND | MN | RADIATION ONCOLOGY | 18 | 1,838 | $837,625 | $456 | premium | 18.2% | (715) 243-2950 |
| 37 | MAYO CLINIC JACKSONVILLE | JACKSONVILLE | FL | NURSE PRACTITIONER | 1587 | 1,819 | $1,211,939 | $666 | premium | 3.1% | (904) 953-2000 |
| 38 | UNIVERSITY OF WISCONSIN MEDICAL FOUNDATION INC | MADISON | WI | PHYSICIAN ASSISTANT | 2523 | 1,791 | $933,754 | $521 | premium | 16.2% | (608) 287-2050 |
| 39 | NORTON HOSPITALS, INC | LOUISVILLE | KY | NURSE PRACTITIONER | 136 | 1,784 | $340,744 | $191 | premium | 24.2% | (502) 629-2500 |
| 40 | THE REGENTS OF THE UNIVERSITY OF CALIFORNIA | LOS ANGELES | CA | RADIATION ONCOLOGY | 31 | 1,755 | $588,975 | $336 | premium | 2.6% | (310) 825-9304 |
| 41 | IRONWOOD PHYSICIANS PC | MESA | AZ | HEMATOLOGY/ONCOLOGY | 114 | 1,729 | $456,410 | $264 | premium | 12.5% | (480) 981-1326 |
| 42 | SOUTHEAST RADIATION ONCOLOGY GROUP, P.A. | CHARLOTTE | NC | RADIATION ONCOLOGY | 53 | 1,705 | $345,303 | $203 | premium | 8.4% | (704) 333-7376 |
| 43 | UNIVERSITY OF CALIFORNIA SAN FRANCISCO | SAN FRANCISCO | CA | DIAGNOSTIC RADIOLOGY | 1842 | 1,679 | $2,480,849 | $1,478 | premium | 2.5% | (415) 476-4029 |
| 44 | CLEVELAND CLINIC | CLEVELAND | OH | PHYSICIAN ASSISTANT | 6828 | 1,670 | $1,296,894 | $777 | premium | 7.2% | — |
| 45 | UNIVERSITY OF CHICAGO | CHICAGO | IL | NURSE PRACTITIONER | 1662 | 1,647 | $785,094 | $477 | premium | 6.2% | (888) 824-0200 |
| 46 | UNIVERSITY HOSPITALS MEDICAL GROUP INC | CLEVELAND | OH | NURSE PRACTITIONER | 2232 | 1,644 | $264,684 | $161 | premium | 7.1% | — |
| 47 | DAYTON PHYSICIANS LLC | CENTERVILLE | OH | NURSE PRACTITIONER | 40 | 1,642 | $632,294 | $385 | premium | 7.1% | (937) 293-1622 |
| 48 | ALLENTOWN RADIATION ONCOLOGY ASSOCIATES PC | ALLENTOWN | PA | RADIATION ONCOLOGY | 10 | 1,633 | $484,919 | $297 | premium | 5.7% | (610) 402-0709 |
| 49 | STATE UNIVERSITY OF IOWA | IOWA CITY | IA | PHYSICIAN ASSISTANT | 1902 | 1,627 | $567,181 | $349 | premium | 22.9% | (319) 678-8201 |
| 50 | RADIATION ONCOLOGY ASSOCIATES, PA | MANCHESTER | MA | RADIATION ONCOLOGY | 23 | 1,623 | $403,678 | $249 | premium | 7.9% | (603) 663-1800 |
| 51 | BEAUMONT MEDICAL GROUP- SPECIALTY SERVICES | ROYAL OAK | MI | PHYSICIAN ASSISTANT | 833 | 1,621 | $435,397 | $269 | premium | 10.9% | (248) 898-5058 |
| 52 | ONCOLOGY CONSULTANTS PC | JACKSON | TN | RADIATION ONCOLOGY | 4 | 1,590 | $153,352 | $96 | premium | 9.5% | (731) 541-6250 |
| 53 | COASTAL CAROLINA RADIATION ONCOLOGY PLLC | WILMINGTON | NC | PHYSICIAN ASSISTANT | 11 | 1,579 | $420,210 | $266 | premium | 7.7% | (910) 662-8440 |
| 54 | DUKE HEALTH INTEGRATED PRACTICE INC | DURHAM | NC | PHYSICIAN ASSISTANT | 3051 | 1,570 | $531,726 | $339 | premium | 7.7% | (919) 684-8111 |
| 55 | RADIATION ONCOLOGY ASSOCIATES LTD | MILWAUKEE | WI | RADIATION ONCOLOGY | 23 | 1,568 | $871,808 | $556 | premium | 14.2% | (414) 649-6420 |
| 56 | FACULTY PHYSICIANS AND SURGEONS OF LLUSM | LOMA LINDA | CA | DIAGNOSTIC RADIOLOGY | 1317 | 1,548 | $534,060 | $345 | premium | 2.3% | — |
| 57 | EPIC CARE | PLEASANT HILL | CA | HEMATOLOGY/ONCOLOGY | 54 | 1,525 | $796,115 | $522 | premium | 2.3% | (925) 687-2570 |
| 58 | TENNESSEE ONCOLOGY PLLC | NASHVILLE | TN | HEMATOLOGY/ONCOLOGY | 360 | 1,523 | $266,137 | $175 | premium | 9.1% | (615) 385-3751 |
| 59 | ORLANDO HEALTH MEDICAL GROUP INC | ORLANDO | FL | PHYSICIAN ASSISTANT | 2145 | 1,497 | $275,958 | $184 | premium | 2.6% | (407) 896-1100 |
| 60 | RADIATION MEDICINE INSTITUTE | EVANSTON | IL | RADIATION ONCOLOGY | 4 | 1,491 | $357,840 | $240 | premium | 5.6% | (847) 570-2590 |
| 61 | ARIZONA CENTER FOR HEMATOLOGY AND ONCOLOGY PLC | PHOENIX | AZ | UROLOGY | 61 | 1,451 | $423,692 | $292 | premium | 10.5% | (480) 278-8300 |
| 62 | JEFFERSON UNIVERSITY PHYSICIANS | PHILADELPHIA | PA | DIAGNOSTIC RADIOLOGY | 1570 | 1,448 | $386,040 | $267 | premium | 5.0% | — |
| 63 | PRACTICE ASSOCIATES MEDICAL GROUP | MORRISTOWN | NJ | NURSE PRACTITIONER | 1404 | 1,440 | $288,000 | $200 | premium | 7.9% | (973) 971-5596 |
| 64 | HARVARD MEDICAL FACULTY PHYS AT BETH ISRAEL DEACONESS MED CTR INC | BOSTON | MA | INTERNAL MEDICINE | 1689 | 1,431 | $289,495 | $202 | premium | 7.0% | (781) 983-9088 |
| 65 | FLORIDA HOSPITAL MEDICAL GROUP INC | ORLANDO | FL | DIAGNOSTIC RADIOLOGY | 321 | 1,408 | $256,876 | $182 | premium | 2.4% | (407) 303-5600 |
| 66 | EAST TENNESSEE RADIATION ONCOLOGY, P.C. | KNOXVILLE | TN | RADIATION ONCOLOGY | 8 | 1,404 | $322,920 | $230 | premium | 8.4% | (865) 541-1155 |
| 67 | TEMPLE FACULTY PRACTICE PLAN INC | PHILADELPHIA | PA | PHYSICIAN ASSISTANT | 1330 | 1,402 | $294,420 | $210 | premium | 4.9% | — |
| 68 | PRISMA HEALTH UNIVERSITY MEDICAL GROUP | GREENVILLE | SC | NURSE PRACTITIONER | 2447 | 1,399 | $330,164 | $236 | premium | 13.7% | — |
| 69 | GEISINGER CLINIC | DANVILLE | PA | PHYSICIAN ASSISTANT | 3426 | 1,373 | $452,654 | $330 | premium | 4.8% | (570) 271-6144 |
| 70 | UNIVERSITY PHYSICIANS INCORPORATED | AURORA | CO | PHYSICIAN ASSISTANT | 3122 | 1,368 | $381,420 | $279 | premium | 16.2% | (720) 777-1234 |
| 71 | COASTAL RADIATION ONCOLOGY MEDICAL GROUP, INC. | SALINAS | CA | RADIATION ONCOLOGY | 11 | 1,341 | $361,364 | $269 | premium | 2.0% | (831) 758-2724 |
| 72 | UNIVERSITY OF VERMONT MEDICAL CENTER INC | BURLINGTON | VT | PHYSICIAN ASSISTANT | 1194 | 1,327 | $371,388 | $280 | premium | 79.3% | (802) 847-0000 |
| 73 | UNIVERSITY OF PITTSBURGH CANCER INSTITUTE CANCER SERVICES | PITTSBURGH | PA | RADIATION ONCOLOGY | 57 | 1,310 | $366,782 | $280 | premium | 4.6% | (412) 623-6720 |
| 74 | UNIVERSITY OF MARYLAND RADIATION ONCOLOGY ASSOCIATES PA | BALTIMORE | MD | RADIATION ONCOLOGY | 37 | 1,292 | $306,106 | $237 | premium | 8.9% | (410) 328-6080 |
| 75 | BARNABAS HEALTH MEDICAL GROUP PC | LIVINGSTON | NJ | NURSE PRACTITIONER | 990 | 1,290 | $550,649 | $427 | premium | 7.1% | — |
| 76 | ST LUKES CLINIC-TREASURE VALLEY LLC | BOISE | ID | PHYSICIAN ASSISTANT | 1159 | 1,281 | $200,029 | $156 | premium | 34.1% | (208) 381-4210 |
| 77 | WAKE FOREST UNIVERSITY HEALTH SCIENCES | WINSTON SALEM | NC | PHYSICIAN ASSISTANT | 2609 | 1,280 | $283,774 | $222 | premium | 6.3% | (336) 713-9800 |
| 78 | BAPTIST HEALTH MEDICAL GROUP ONCOLOGY LLC | MIAMI | FL | NURSE PRACTITIONER | 200 | 1,240 | $267,176 | $215 | premium | 2.1% | (786) 596-2000 |
| 79 | NORMAN H. ANDERSON, MD, PA | OCALA | FL | RADIATION ONCOLOGY | 10 | 1,229 | $328,373 | $267 | premium | 2.1% | (352) 732-0277 |
| 80 | RADIATION ONCOLOGY ASSOCIATES P C | FORT WAYNE | IN | RADIATION ONCOLOGY | 9 | 1,225 | $582,680 | $476 | premium | 8.4% | (260) 436-4116 |
| 81 | ONCOLOGY AND HEMATOLOGY ASSOCIATES OF SOUTHWEST VIRGINIA INC | ROANOKE | VA | NURSE PRACTITIONER | 52 | 1,204 | $299,093 | $248 | premium | 7.2% | (540) 982-0237 |
| 82 | CANCER CARE NORTHWEST CENTERS P S | SPOKANE | WA | RADIATION ONCOLOGY | 41 | 1,199 | $528,000 | $440 | premium | 8.4% | (509) 228-1000 |
| 83 | ARLINGTON RADIATION ONCOLOGY PLLC | ARLINGTON | VA | RADIATION ONCOLOGY | 4 | 1,167 | $205,392 | $176 | premium | 6.9% | (703) 558-6284 |
| 84 | WELLSPAN MEDICAL GROUP | YORK | PA | PHYSICIAN ASSISTANT | 2312 | 1,165 | $263,163 | $226 | premium | 4.0% | — |
| 85 | MARIN CANCER CARE, INC. | GREENBRAE | CA | MEDICAL ONCOLOGY | 13 | 1,153 | $231,753 | $201 | premium | 1.7% | (415) 925-5000 |
| 86 | UNIVERSITY OF UTAH ADULT SERVICES | SALT LAKE CITY | UT | PHYSICIAN ASSISTANT | 1783 | 1,141 | $272,699 | $239 | premium | 30.6% | (801) 581-2121 |
| 87 | VIRGINIA ONCOLOGY ASSOCIATES | NORFOLK | VA | PHYSICIAN ASSISTANT | 123 | 1,132 | $552,267 | $488 | premium | 6.7% | — |
| 88 | USC CARE MEDICAL GROUP INC | LOS ANGELES | CA | DIAGNOSTIC RADIOLOGY | 1374 | 1,117 | $223,600 | $200 | premium | 1.7% | (800) 872-2273 |
| 89 | NORTHERN CALIFORNIA RADIATION THERAPISTS AND ONCOLOGISTS MEDICAL GROUP | SAN FRANCISCO | CA | RADIATION ONCOLOGY | 8 | 1,114 | $277,386 | $249 | premium | 1.7% | (415) 750-2906 |
| 90 | UNIVERSITY MEDICAL ASSOCIATES OF THE MEDICAL UNIVERSITY OF SOUTH CAROL | CHARLESTON | SC | PHYSICIAN ASSISTANT | 1692 | 1,110 | $430,566 | $388 | premium | 10.9% | (843) 792-1414 |
| 91 | PHYSICIANS OF CAPE COD HOSPITAL | HYANNIS | MA | NURSE PRACTITIONER | 318 | 1,091 | $177,047 | $162 | premium | 5.3% | (774) 552-6000 |
| 92 | OKLAHOMA PROTON CENTER LLC | OKLAHOMA CITY | TN | RADIATION ONCOLOGY | 16 | 1,089 | $805,702 | $740 | premium | 6.5% | (405) 773-6700 |
| 93 | NEWPORT COAST RADIATION ONCOLOGY MEDICAL GROUP INC | NEWPORT BEACH | CA | RADIATION ONCOLOGY | 5 | 1,088 | $302,464 | $278 | premium | 1.6% | (949) 764-5528 |
| 94 | UC REGENTS DEPARTMENT OF RADIATION ONCOLOGY | ORANGE | CA | RADIATION ONCOLOGY | 17 | 1,080 | $373,953 | $346 | premium | 1.6% | (714) 456-5508 |
| 95 | REGENTS OF THE UNIV OF CA | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 1608 | 1,080 | $335,880 | $311 | premium | 1.6% | (877) 827-7463 |
| 96 | PROVIDENCE MEDICAL FOUNDATION | FULLERTON | CA | PHYSICIAN ASSISTANT | 1455 | 1,078 | $214,522 | $199 | premium | 1.6% | (714) 871-3006 |
| 97 | THEO MEDICAL DERMATOLOGY LLC | APOPKA | FL | NURSE PRACTITIONER | 3 | 1,059 | $195,795 | $185 | premium | 1.8% | (407) 671-3634 |
| 98 | VIRGINIA RADIATION ONCOLOGY ASSOCIATES INC | RICHMOND | VA | RADIATION ONCOLOGY | 3 | 1,053 | $190,593 | $181 | premium | 6.3% | (804) 287-4340 |
| 99 | THE MEDICAL COLLEGE OF WISCONSIN INC | MILWAUKEE | WI | DIAGNOSTIC RADIOLOGY | 2137 | 1,038 | $1,127,028 | $1,086 | premium | 9.4% | (414) 955-4263 |
| 100 | BAPTIST MD ANDERSON CANCER PHYSICIANS INC | JACKSONVILLE | FL | PHYSICIAN ASSISTANT | 118 | 1,030 | $152,994 | $149 | premium | 1.8% | (904) 202-7300 |
Showing the top 100 of 861 groups — the full ranking is part of the market analytics platform — built, not launched yet. Notify me at launch →
*Share of the state's disclosed Medicare-FFS services for the primary code, counted once per clinician. "St" is the state the volume was billed from: a group appears in each state where its clinicians bill Medicare, with that state's volume and share ("City" is the group's registered location). Group figures sum clinicians affiliated with exactly one group; clinicians in several groups are listed in each group's drill-down but not volume-attributed to any single group, so shares reflect attributable volume. See Methods.
Comparing against an all-payer estimate?
These are exact counts from Medicare fee-for-service claims — roughly a third to half of most procedure markets, depending on payer mix. Modeled all-payer databases project the remainder statistically; we publish the audited floor and label it as such. Same market, different denominator. How the numbers reconcile →