99232 — Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
21,741,021 observed fee-for-service (49%) · ~22,690,118 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; 6 states without payer-mix data excluded. 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 | 99232 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | NY | PHYSICIAN ASSISTANT | 6294 | 190,953 | $61,822,957 | $324 | premium | 8.3% | — |
| 2 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 106,330 | $55,351,575 | $521 | premium | 4.6% | (212) 263-9700 |
| 3 | CLEVELAND CLINIC | CLEVELAND | OH | PHYSICIAN ASSISTANT | 6828 | 80,937 | $39,834,280 | $492 | premium | 6.9% | — |
| 4 | PRACTICE ASSOCIATES MEDICAL GROUP | MORRISTOWN | NJ | NURSE PRACTITIONER | 1404 | 80,066 | $18,630,322 | $233 | premium | 4.7% | (973) 971-5596 |
| 5 | HACKENSACK MERIDIAN HEALTH MEDICAL GROUP - SPECIALTY CARE PC | NEPTUNE | NJ | NURSE PRACTITIONER | 1878 | 75,633 | $18,924,798 | $250 | premium | 4.4% | (732) 362-3663 |
| 6 | WELLSTAR MEDICAL GROUP LLC | MARIETTA | GA | NURSE PRACTITIONER | 3060 | 74,363 | $14,031,495 | $189 | premium | 8.5% | (770) 422-2004 |
| 7 | TEXAS HEALTH PHYSICIANS GROUP | FORT WORTH | TX | PHYSICIAN ASSISTANT | 1350 | 74,305 | $17,094,128 | $230 | premium | 2.5% | (817) 281-2977 |
| 8 | ENDEAVOR HEALTH MEDICAL GROUP | EVANSTON | IL | NURSE PRACTITIONER | 3380 | 74,111 | $12,479,654 | $168 | premium | 5.1% | — |
| 9 | VIRTUA MEDICAL GROUP, PA | VOORHEES | NJ | PHYSICIAN ASSISTANT | 1662 | 73,977 | $12,929,981 | $175 | premium | 4.4% | (856) 247-7260 |
| 10 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 66,130 | $14,187,102 | $215 | premium | 4.6% | — |
| 11 | ST LUKES PHYSICIAN GROUP INC | BETHLEHEM | PA | PHYSICIAN ASSISTANT | 2164 | 61,834 | $8,958,235 | $145 | premium | 3.8% | (484) 526-2400 |
| 12 | CHS PHYSICIAN PARTNERS PC | ROSLYN | NY | PHYSICIAN ASSISTANT | 734 | 60,896 | $16,769,365 | $275 | premium | 2.6% | — |
| 13 | LEHIGH VALLEY PHYSICIAN GROUP | ALLENTOWN | PA | PHYSICIAN ASSISTANT | 2389 | 59,851 | $10,777,855 | $180 | premium | 3.7% | — |
| 14 | HEALTHTEXAS PROVIDER NETWORK | DALLAS | TX | PHYSICIAN ASSISTANT | 2482 | 58,882 | $10,920,129 | $185 | premium | 2.0% | — |
| 15 | BAPTIST PRIMARY CARE INC | JACKSONVILLE | FL | FAMILY PRACTICE | 446 | 56,332 | $10,942,718 | $194 | premium | 1.5% | — |
| 16 | BAPTIST HEALTH MEDICAL GROUP INC | LOUISVILLE | KY | NURSE PRACTITIONER | 2448 | 53,829 | $7,376,334 | $137 | premium | 10.2% | (502) 928-1050 |
| 17 | NORTH ATLANTA PROFESSIONAL SERVICES LLC | ATLANTA | GA | INTERNAL MEDICINE | 427 | 51,047 | $12,122,474 | $237 | premium | 5.9% | (404) 851-8000 |
| 18 | LEE HEALTH SYSTEM INC | FORT MYERS | FL | NURSE PRACTITIONER | 1370 | 50,428 | $13,290,714 | $264 | premium | 1.3% | (239) 343-9888 |
| 19 | WELLSPAN MEDICAL GROUP | YORK | PA | PHYSICIAN ASSISTANT | 2312 | 50,297 | $7,180,375 | $143 | premium | 3.1% | — |
| 20 | BAYCARE MEDICAL GROUP, INC. | CLEARWATER | FL | CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) | 1526 | 49,633 | $9,623,935 | $194 | premium | 1.3% | (727) 725-5060 |
| 21 | ORLANDO HEALTH MEDICAL GROUP INC | ORLANDO | FL | PHYSICIAN ASSISTANT | 2145 | 48,976 | $11,540,008 | $236 | premium | 1.3% | (407) 896-1100 |
| 22 | SENTARA MEDICAL GROUP | NORFOLK | VA | PHYSICIAN ASSISTANT | 1404 | 48,696 | $7,431,208 | $153 | premium | 6.3% | — |
| 23 | UNIVERSITY OF PITTSBURGH PHYSICIANS | PITTSBURGH | PA | DIAGNOSTIC RADIOLOGY | 4291 | 48,478 | $8,794,996 | $181 | premium | 3.0% | — |
| 24 | UNIVERSITY OF PENN - MEDICAL GROUP | PHILADELPHIA | PA | PHYSICIAN ASSISTANT | 3505 | 47,875 | $9,954,222 | $208 | premium | 2.9% | (215) 662-2777 |
| 25 | MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC | BOSTON | MA | DIAGNOSTIC RADIOLOGY | 3532 | 47,044 | $15,549,033 | $331 | premium | 6.2% | (617) 724-0287 |
| 26 | ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI | NEW YORK | NY | PHYSICIAN ASSISTANT | 2818 | 46,057 | $13,591,450 | $295 | premium | 2.0% | (212) 241-4812 |
| 27 | ALLINA HEALTH SYSTEM | MINNEAPOLIS | MN | PHYSICIAN ASSISTANT | 3855 | 46,013 | $16,354,364 | $355 | premium | 15.0% | (612) 863-4000 |
| 28 | PROVIDENCE MEDICAL FOUNDATION | FULLERTON | CA | PHYSICIAN ASSISTANT | 1455 | 45,676 | $10,692,763 | $234 | premium | 1.5% | (714) 871-3006 |
| 29 | CAROLINAS PHYSICIANS NETWORK INC | CHARLOTTE | NC | PHYSICIAN ASSISTANT | 2360 | 44,999 | $11,059,464 | $246 | premium | 6.1% | (704) 667-1000 |
| 30 | FLORIDA KIDNEY PHYSICIANS LLC | TAMPA | FL | NEPHROLOGY | 165 | 44,769 | $6,939,119 | $155 | premium | 1.2% | (813) 910-8708 |
| 31 | AURORA MEDICAL GROUP, INC. | MILWAUKEE | WI | DIAGNOSTIC RADIOLOGY | 3696 | 43,422 | $16,579,510 | $382 | premium | 10.3% | (414) 421-8400 |
| 32 | ID CARE LLC | HILLSBOROUGH | NJ | INFECTIOUS DISEASE | 121 | 43,248 | $7,062,023 | $163 | premium | 2.5% | (908) 281-0221 |
| 33 | CENTRAL DUPAGE PHYSICIAN GROUP | WHEATON | IL | PHYSICIAN ASSISTANT | 1097 | 42,877 | $6,272,892 | $146 | premium | 3.0% | (630) 933-4800 |
| 34 | ADVOCATE HEALTH AND HOSPITALS CORPORATION | BUFFALO GROVE | IL | NURSE PRACTITIONER | 3045 | 42,753 | $7,405,889 | $173 | premium | 2.9% | (847) 459-1160 |
| 35 | DIGNITY HEALTH MEDICAL FOUNDATION | FOLSOM | CA | DIAGNOSTIC RADIOLOGY | 1197 | 42,542 | $13,223,515 | $311 | premium | 1.4% | (916) 983-7476 |
| 36 | IHC HEALTH SERVICES INC | MURRAY | UT | PHYSICIAN ASSISTANT | 3944 | 41,727 | $7,684,005 | $184 | premium | 47.8% | (801) 261-8346 |
| 37 | UNIVERSITY OF WISCONSIN MEDICAL FOUNDATION INC | MADISON | WI | PHYSICIAN ASSISTANT | 2523 | 41,589 | $11,895,164 | $286 | premium | 9.9% | (608) 287-2050 |
| 38 | JOHN MUIR PHYSICIAN NETWORK | WALNUT CREEK | CA | FAMILY PRACTICE | 489 | 41,508 | $9,549,049 | $230 | premium | 1.3% | (925) 296-9720 |
| 39 | INOVA HEALTH CARE SERVICES | FALLS CHURCH | VA | NURSE PRACTITIONER | 1818 | 41,456 | $8,278,045 | $200 | premium | 5.4% | — |
| 40 | GEISINGER CLINIC | DANVILLE | PA | PHYSICIAN ASSISTANT | 3426 | 41,177 | $7,110,966 | $173 | premium | 2.5% | (570) 271-6144 |
| 41 | ARKANSAS HEALTH GROUP | LITTLE ROCK | AR | CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) | 666 | 40,419 | $5,223,721 | $129 | premium | 10.7% | (501) 202-2093 |
| 42 | NORTHEAST MEDICAL GROUP INC | NEW HAVEN | CT | PHYSICIAN ASSISTANT | 1380 | 39,298 | $7,369,736 | $188 | premium | 12.1% | — |
| 43 | VANDERBILT UNIVERSITY MEDICAL CENTER | NASHVILLE | TN | NURSE PRACTITIONER | 3394 | 39,234 | $11,658,011 | $297 | premium | 5.2% | (615) 322-5000 |
| 44 | THE ASSOCIATION OF UNIVERSITY PHYSICIANS | SEATTLE | WA | PHYSICIAN ASSISTANT | 3612 | 39,207 | $9,524,368 | $243 | premium | 11.5% | (206) 364-0500 |
| 45 | FRANCISCAN PHYSICIAN NETWORK | INDIANAPOLIS | IN | PHYSICIAN ASSISTANT | 1151 | 38,913 | $5,639,561 | $145 | premium | 4.9% | — |
| 46 | COMMUNITY PHYSICIANS OF INDIANA INC | INDIANAPOLIS | IN | PHYSICIAN ASSISTANT | 1594 | 38,632 | $4,282,029 | $111 | premium | 4.9% | — |
| 47 | OHIOHEALTH CORPORATION | COLUMBUS | OH | PHYSICIAN ASSISTANT | 2282 | 38,567 | $6,973,070 | $181 | premium | 3.3% | — |
| 48 | SUMMIT MEDICAL GROUP INC | EDGEWOOD | KY | NURSE PRACTITIONER | 806 | 37,666 | $7,054,251 | $187 | premium | 7.1% | (859) 578-5880 |
| 49 | PLATINUM HOSPITALISTS LLP | LAS VEGAS | NV | INTERNAL MEDICINE | 192 | 37,593 | $8,501,637 | $226 | premium | 7.3% | (702) 407-7700 |
| 50 | WASHINGTON UNIVERSITY | SAINT LOUIS | MO | NURSE PRACTITIONER | 3070 | 36,926 | $8,673,411 | $235 | premium | 4.9% | (314) 747-3000 |
| 51 | SMH PHYSICIAN SERVICES INC | SARASOTA | FL | PHYSICIAN ASSISTANT | 766 | 36,885 | $5,434,060 | $147 | premium | 1.0% | — |
| 52 | UMASS MEMORIAL MEDICAL GROUP INC | WORCESTER | MA | PHYSICIAN ASSISTANT | 2483 | 36,467 | $8,791,470 | $241 | premium | 4.8% | (508) 334-1000 |
| 53 | OSF MULTI-SPECIALTY GROUP | PEORIA | IL | NURSE PRACTITIONER | 2091 | 36,389 | $7,881,664 | $217 | premium | 2.5% | (309) 683-5050 |
| 54 | SAINT LUKES PHYSICIAN GROUP INC | KANSAS CITY | MO | NURSE PRACTITIONER | 1228 | 36,094 | $7,786,345 | $216 | premium | 4.8% | — |
| 55 | CHRISTIANA CARE HEALTH SERVICES INC | NEWARK | DE | PHYSICIAN ASSISTANT | 1537 | 35,429 | $7,468,365 | $211 | premium | 21.7% | — |
| 56 | NOVANT HEALTH MEDICAL GROUP, LLC | WINSTON SALEM | NC | PHYSICIAN ASSISTANT | 2389 | 34,270 | $6,878,376 | $201 | premium | 4.6% | (704) 384-8200 |
| 57 | ALLEGHENY CLINIC | PITTSBURGH | PA | PHYSICIAN ASSISTANT | 2293 | 33,715 | $7,588,104 | $225 | premium | 2.1% | — |
| 58 | WARREN CLINIC INC | TULSA | OK | NURSE PRACTITIONER | 772 | 33,653 | $5,409,134 | $161 | premium | 8.1% | (918) 502-4720 |
| 59 | MAYO CLINIC | ROCHESTER | MN | NURSE PRACTITIONER | 4896 | 33,635 | $9,510,234 | $283 | premium | 11.0% | (507) 284-2511 |
| 60 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 32,941 | $7,649,582 | $232 | premium | 1.1% | (415) 600-1020 |
| 61 | PRISMA HEALTH UNIVERSITY MEDICAL GROUP | GREENVILLE | SC | NURSE PRACTITIONER | 2447 | 32,723 | $5,002,401 | $153 | premium | 5.9% | — |
| 62 | BARNABAS HEALTH MEDICAL GROUP PC | LIVINGSTON | NJ | NURSE PRACTITIONER | 990 | 31,648 | $12,469,697 | $394 | premium | 1.9% | — |
| 63 | SOUTHEASTERN PHYSICIAN SERVICES PC | MEMPHIS | TN | INTERNAL MEDICINE | 618 | 31,629 | $8,215,182 | $260 | premium | 4.2% | (901) 226-5000 |
| 64 | HOSPITAL MEDICINE SERVICES OF FL, LLC | LAKE CITY | FL | INTERNAL MEDICINE | 523 | 31,093 | $11,843,565 | $381 | premium | 0.8% | (850) 719-9000 |
| 65 | SOUTHWEST SUFFOLK MEDICAL PC | WEST ISLIP | NY | INTERNAL MEDICINE | 198 | 31,048 | $8,177,650 | $263 | premium | 1.4% | (631) 376-3000 |
| 66 | HEALTH FIRST MEDICAL GROUP, LLC | MELBOURNE | FL | NURSE PRACTITIONER | 669 | 30,995 | $5,041,704 | $163 | premium | 0.8% | (321) 434-8878 |
| 67 | NATIONAL KIDNEY PARTNERS LLP | HUDSON | FL | NEPHROLOGY | 61 | 30,856 | $4,894,235 | $159 | premium | 0.8% | (727) 863-5418 |
| 68 | REGENTS OF THE UNIV OF CA | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 1608 | 30,641 | $9,067,489 | $296 | premium | 1.0% | (877) 827-7463 |
| 69 | SCOTT AND WHITE CLINIC | TEMPLE | TX | PHYSICIAN ASSISTANT | 2435 | 30,572 | $4,367,735 | $143 | premium | 1.0% | (254) 724-2663 |
| 70 | CEDARS-SINAI MEDICAL CARE FOUNDATION | LOS ANGELES | CA | PHYSICIAN ASSISTANT | 1699 | 30,523 | $7,632,519 | $250 | premium | 1.0% | (310) 423-0674 |
| 71 | BEAUMONT MEDICAL GROUP- SPECIALTY SERVICES | ROYAL OAK | MI | PHYSICIAN ASSISTANT | 833 | 30,418 | $4,801,493 | $158 | premium | 2.5% | (248) 898-5058 |
| 72 | BAYSTATE MEDICAL PRACTICES INC | SPRINGFIELD | MA | PHYSICIAN ASSISTANT | 1326 | 30,012 | $5,162,607 | $172 | premium | 3.9% | — |
| 73 | LEXINGTON HEALTH INC | WEST COLUMBIA | SC | NURSE PRACTITIONER | 909 | 29,500 | $4,950,285 | $168 | premium | 5.4% | (803) 744-4900 |
| 74 | BRIGHAM AND WOMENS PHYSICIANS ORGANIZATION INC | BOSTON | MA | PHYSICIAN ASSISTANT | 2942 | 29,132 | $9,634,254 | $331 | premium | 3.8% | (617) 732-5500 |
| 75 | THE REGENTS OF THE UNIVERSITY OF CALIFORNIA | LOS ANGELES | CA | INTERNAL MEDICINE | 1424 | 28,823 | $12,938,643 | $449 | premium | 0.9% | (310) 825-7922 |
| 76 | FLORIDA HOSPITAL MEDICAL GROUP INC | MAITLAND | FL | PHYSICIAN ASSISTANT | 1634 | 28,712 | $6,910,798 | $241 | premium | 0.8% | (407) 200-2700 |
| 77 | MCV ASSOCIATED PHYSICIANS | RICHMOND | VA | NURSE PRACTITIONER | 1791 | 28,670 | $5,914,246 | $206 | premium | 3.7% | (804) 828-9000 |
| 78 | UNIVERSITY OF LOUISVILLE PHYSICIANS INC | LOUISVILLE | KY | NURSE PRACTITIONER | 1442 | 28,558 | $5,048,379 | $177 | premium | 5.4% | (502) 629-2398 |
| 79 | FLORIDA HOSPITAL MEDICINE SERVICES, LLC | FORT LAUDERDALE | FL | INTERNAL MEDICINE | 272 | 28,377 | $7,602,134 | $268 | premium | 0.8% | (954) 355-4400 |
| 80 | STANFORD HEALTH CARE | STANFORD | CA | DIAGNOSTIC RADIOLOGY | 3039 | 28,013 | $7,697,887 | $275 | premium | 0.9% | (650) 723-4000 |
| 81 | CENTRA MEDICAL GROUP LLC | LYNCHBURG | VA | NURSE PRACTITIONER | 714 | 27,841 | $3,979,986 | $143 | premium | 3.6% | (434) 947-3033 |
| 82 | UNIVERSITY OF MIAMI | MIAMI | FL | NURSE PRACTITIONER | 2331 | 27,806 | $7,380,757 | $265 | premium | 0.7% | (305) 689-5437 |
| 83 | UNIVERSITY OF VIRGINIA PHYSICIANS GROUP | CHARLOTTESVILLE | VA | NURSE PRACTITIONER | 1704 | 27,584 | $5,830,734 | $211 | premium | 3.6% | (434) 924-5959 |
| 84 | BAPTIST HEALTH MEDICAL GROUP PHYSICIANS LLC | SOUTH MIAMI | FL | PHYSICIAN ASSISTANT | 653 | 27,555 | $5,856,280 | $213 | premium | 0.7% | (786) 662-0600 |
| 85 | IHA HEALTH SERVICES CORPORATION | YPSILANTI | MI | PHYSICIAN ASSISTANT | 1144 | 27,476 | $4,506,505 | $164 | premium | 2.3% | — |
| 86 | COTTON-O'NEIL CLINIC REVOCABLE TRUST | TOPEKA | KS | NURSE PRACTITIONER | 649 | 27,210 | $3,549,137 | $130 | premium | 9.1% | (785) 354-9591 |
| 87 | STATE UNIVERSITY OF IOWA | IOWA CITY | IA | PHYSICIAN ASSISTANT | 1902 | 26,818 | $8,132,563 | $303 | premium | 10.2% | (319) 678-8201 |
| 88 | NORTHEAST FLORIDA ENDOCRINE AND DIABETES ASSOCIATES PA | JACKSONVILLE | FL | PHYSICIAN ASSISTANT | 82 | 26,635 | $3,464,485 | $130 | premium | 0.7% | (904) 384-2240 |
| 89 | PROHEALTH PARTNERS, A MEDICAL GROUP | LONG BEACH | CA | INTERNAL MEDICINE | 228 | 26,478 | $4,806,917 | $182 | premium | 0.8% | (562) 495-4952 |
| 90 | MAIN LINE HEALTHCARE | BRYN MAWR | PA | NURSE PRACTITIONER | 1157 | 26,385 | $4,468,009 | $169 | premium | 1.6% | — |
| 91 | MEDICAL SERVICES RIC | CHICAGO | IL | PHYSICAL MEDICINE AND REHABILITATION | 93 | 26,117 | $7,196,585 | $276 | premium | 1.8% | (312) 238-1000 |
| 92 | TEMPLE FACULTY PRACTICE PLAN INC | PHILADELPHIA | PA | PHYSICIAN ASSISTANT | 1330 | 26,065 | $3,675,900 | $141 | premium | 1.6% | — |
| 93 | COMMUNITY MEDICAL ASSOCIATES INC | LOUISVILLE | KY | NURSE PRACTITIONER | 1377 | 26,044 | $5,976,544 | $229 | premium | 4.9% | (502) 937-2209 |
| 94 | UNIVERSITY OF ALABAMA HEALTH SERVICES FOUNDATION, PC | BIRMINGHAM | AL | NURSE PRACTITIONER | 2788 | 25,966 | $5,402,782 | $208 | premium | 4.6% | (205) 934-3460 |
| 95 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 25,815 | $6,281,719 | $243 | premium | 0.8% | (916) 681-8852 |
| 96 | STONY BROOK INTERNISTS UNIVERSITY FACULTY PRACTICE CORPORATION | STONY BROOK | NY | HOSPITALIST | 414 | 25,814 | $6,596,127 | $256 | premium | 1.1% | (631) 444-1560 |
| 97 | SOUTHCOAST PHYSICIANS GROUP INC | FALL RIVER | MA | NURSE PRACTITIONER | 868 | 25,676 | $6,117,798 | $238 | premium | 3.4% | (508) 973-5919 |
| 98 | WEILL MEDICAL COLLEGE OF CORNELL | NEW YORK | NY | INTERNAL MEDICINE | 2053 | 25,313 | $6,427,313 | $254 | premium | 1.1% | (212) 746-5454 |
| 99 | BANNER HOSPITAL BASED PHYSICIANS ARIZONA LLC | MESA | AZ | INTERNAL MEDICINE | 644 | 25,269 | $4,657,479 | $184 | premium | 4.5% | (480) 412-3000 |
| 100 | NORTHEAST GEORGIA PHYSICIANS GROUP INC | GAINESVILLE | GA | PHYSICIAN ASSISTANT | 901 | 25,206 | $4,335,146 | $172 | premium | 2.9% | (770) 219-7777 |
Showing the top 100 of 10,599 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 →