93295 — Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days
474,237 observed fee-for-service (49%) · ~484,945 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 | 93295 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | HEALTHTEXAS PROVIDER NETWORK | DALLAS | TX | PHYSICIAN ASSISTANT | 2482 | 4,427 | $799,567 | $181 | premium | 10.0% | — |
| 2 | CHS PHYSICIAN PARTNERS PC | ROSLYN | NY | PHYSICIAN ASSISTANT | 734 | 4,380 | $2,876,737 | $657 | premium | 11.8% | — |
| 3 | PIEDMONT CARDIOLOGY OF ATLANTA, LLC | ATLANTA | GA | PHYSICIAN ASSISTANT | 477 | 4,130 | $909,447 | $220 | premium | 20.0% | (404) 605-5000 |
| 4 | CLEVELAND CLINIC | CLEVELAND | OH | PHYSICIAN ASSISTANT | 6828 | 3,766 | $1,186,290 | $315 | premium | 12.9% | — |
| 5 | ST VINCENT MEDICAL GROUP INC | INDIANAPOLIS | IN | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 718 | 3,470 | $676,650 | $195 | premium | 18.5% | (317) 338-2345 |
| 6 | OHH PHYSICIANS LLC | OKLAHOMA CITY | OK | INTERVENTIONAL CARDIOLOGY | 134 | 3,431 | $621,011 | $181 | premium | 32.4% | (405) 608-3800 |
| 7 | INOVA HEALTH CARE SERVICES | FALLS CHURCH | VA | NURSE PRACTITIONER | 1818 | 3,420 | $578,288 | $169 | premium | 13.5% | — |
| 8 | BAPTIST HEALTH MEDICAL GROUP INC | LOUISVILLE | KY | NURSE PRACTITIONER | 2448 | 3,230 | $237,714 | $74 | premium | 30.2% | (502) 928-1050 |
| 9 | ADVOCATE HEALTH AND HOSPITALS CORPORATION | BUFFALO GROVE | IL | NURSE PRACTITIONER | 3045 | 3,177 | $969,062 | $305 | premium | 10.3% | (847) 459-1160 |
| 10 | SAINT THOMAS MEDICAL PARTNERS | NASHVILLE | TN | NURSE PRACTITIONER | 591 | 3,172 | $411,827 | $130 | premium | 15.0% | (615) 269-4545 |
| 11 | ST DAVIDS HEART AND VASCULAR PLLC | AUSTIN | TX | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 199 | 3,162 | $585,389 | $185 | premium | 7.1% | (512) 899-2028 |
| 12 | VANDERBILT UNIVERSITY MEDICAL CENTER | NASHVILLE | TN | NURSE PRACTITIONER | 3394 | 3,110 | $780,610 | $251 | premium | 14.7% | (615) 322-5000 |
| 13 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 3,082 | $2,564,224 | $832 | premium | 8.3% | (212) 263-9700 |
| 14 | CATHOLIC HEALTH INITIATIVES-IOWA CORP | WEST DES MOINES | IA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 113 | 3,067 | $539,792 | $176 | premium | 31.8% | (515) 358-8000 |
| 15 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | NY | PHYSICIAN ASSISTANT | 6294 | 3,038 | $1,009,740 | $332 | premium | 8.2% | — |
| 16 | CAROLINAS PHYSICIANS NETWORK INC | CHARLOTTE | NC | PHYSICIAN ASSISTANT | 2360 | 2,887 | $799,290 | $277 | premium | 12.2% | (704) 667-1000 |
| 17 | SENTARA MEDICAL GROUP | NORFOLK | VA | PHYSICIAN ASSISTANT | 1404 | 2,844 | $354,564 | $125 | premium | 11.2% | — |
| 18 | UNIVERSITY OF PENN - MEDICAL GROUP | PHILADELPHIA | PA | PHYSICIAN ASSISTANT | 3505 | 2,835 | $643,545 | $227 | premium | 7.2% | (215) 662-2777 |
| 19 | ENDEAVOR HEALTH MEDICAL GROUP | EVANSTON | IL | NURSE PRACTITIONER | 3380 | 2,833 | $599,576 | $212 | premium | 9.2% | — |
| 20 | MISSION HEALTH COMMUNITY MULTISPECIALTY PROVIDERS LLC | ASHEVILLE | NC | PHYSICIAN ASSISTANT | 593 | 2,705 | $605,920 | $224 | premium | 11.4% | (828) 213-1740 |
| 21 | POUDRE VALLEY MEDICAL GROUP LLC | COLORADO SPRINGS | CO | PHYSICIAN ASSISTANT | 2390 | 2,694 | $353,131 | $131 | premium | 29.9% | — |
| 22 | LEHIGH VALLEY PHYSICIAN GROUP | ALLENTOWN | PA | PHYSICIAN ASSISTANT | 2389 | 2,657 | $453,610 | $171 | premium | 6.7% | — |
| 23 | THE EMORY CLINIC INC | ATLANTA | GA | NURSE PRACTITIONER | 3484 | 2,615 | $519,055 | $198 | premium | 12.7% | (404) 778-7525 |
| 24 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 2,610 | $841,281 | $322 | premium | 8.5% | — |
| 25 | WELLSPAN MEDICAL GROUP | YORK | PA | PHYSICIAN ASSISTANT | 2312 | 2,368 | $329,152 | $139 | premium | 6.0% | — |
| 26 | CARDIOLOGY CONSULTANTS OF PHILADELPHIA PC | PHILADELPHIA | PA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 143 | 2,337 | $490,770 | $210 | premium | 5.9% | (215) 463-5333 |
| 27 | YALE UNIVERSITY | NEW HAVEN | CT | PHYSICIAN ASSISTANT | 2649 | 2,336 | $782,560 | $335 | premium | 33.4% | (203) 688-4242 |
| 28 | CHRISTUS TRINITY CLINIC | TYLER | TX | NURSE PRACTITIONER | 1495 | 2,323 | $308,343 | $133 | premium | 5.2% | (903) 606-5560 |
| 29 | CENTENNIAL HEART LLC | NASHVILLE | TN | NURSE PRACTITIONER | 121 | 2,304 | $416,716 | $181 | premium | 10.9% | (615) 515-1900 |
| 30 | ALLINA HEALTH SYSTEM | MINNEAPOLIS | MN | PHYSICIAN ASSISTANT | 3855 | 2,289 | $312,870 | $137 | premium | 19.4% | (612) 863-4000 |
| 31 | DUKE HEALTH INTEGRATED PRACTICE INC | DURHAM | NC | PHYSICIAN ASSISTANT | 3051 | 2,257 | $579,386 | $257 | premium | 9.5% | (919) 684-8111 |
| 32 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 2,205 | $620,245 | $281 | premium | 5.4% | (415) 600-1020 |
| 33 | THE CHRIST HOSPITAL CARDIOVASCULAR ASSOCIATES LLC | CINCINNATI | OH | NURSE PRACTITIONER | 144 | 2,194 | $210,624 | $96 | premium | 7.5% | — |
| 34 | UNIVERSITY OF VIRGINIA PHYSICIANS GROUP | CHARLOTTESVILLE | VA | NURSE PRACTITIONER | 1704 | 2,148 | $391,364 | $182 | premium | 8.5% | (434) 924-5959 |
| 35 | WASHINGTON UNIVERSITY | SAINT LOUIS | MO | NURSE PRACTITIONER | 3070 | 2,132 | $886,482 | $416 | premium | 12.0% | (314) 747-3000 |
| 36 | COMMUNITY MEDICAL ASSOCIATES INC | LOUISVILLE | KY | NURSE PRACTITIONER | 1377 | 2,100 | $446,680 | $213 | premium | 19.6% | (502) 937-2209 |
| 37 | VIRTUA MEDICAL GROUP, PA | VOORHEES | NJ | PHYSICIAN ASSISTANT | 1662 | 2,099 | $304,355 | $145 | premium | 10.0% | (856) 247-7260 |
| 38 | OSF MULTI-SPECIALTY GROUP | PEORIA | IL | NURSE PRACTITIONER | 2091 | 2,091 | $446,609 | $214 | premium | 6.8% | (309) 683-5050 |
| 39 | SAINT LUKES PHYSICIAN GROUP INC | KANSAS CITY | MO | NURSE PRACTITIONER | 1228 | 2,056 | $349,520 | $170 | premium | 11.6% | — |
| 40 | HH HEART CENTER, LLC | HUNTSVILLE | AL | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 90 | 2,003 | $80,120 | $40 | premium | 18.1% | (256) 265-2372 |
| 41 | HEARTLAND CARDIOLOGY, LLC | WICHITA | KS | NURSE PRACTITIONER | 27 | 1,974 | $305,970 | $155 | premium | 16.9% | (316) 686-5300 |
| 42 | IHC HEALTH SERVICES INC | MURRAY | UT | PHYSICIAN ASSISTANT | 3944 | 1,944 | $303,228 | $156 | premium | 54.4% | (801) 261-8346 |
| 43 | SPECTRUM HEALTH PRIMARY CARE PARTNERS | GRAND RAPIDS | MI | PHYSICIAN ASSISTANT | 2255 | 1,912 | $324,724 | $170 | premium | 10.9% | (616) 885-5000 |
| 44 | WELLSTAR MEDICAL GROUP LLC | MARIETTA | GA | NURSE PRACTITIONER | 3060 | 1,863 | $381,300 | $205 | premium | 9.0% | (770) 422-2004 |
| 45 | BEAUMONT MEDICAL GROUP- SPECIALTY SERVICES | ROYAL OAK | MI | PHYSICIAN ASSISTANT | 833 | 1,859 | $161,653 | $87 | premium | 10.6% | (248) 898-5058 |
| 46 | ALLEGHENY CLINIC | PITTSBURGH | PA | PHYSICIAN ASSISTANT | 2293 | 1,855 | $194,825 | $105 | premium | 4.7% | — |
| 47 | INTEGRATED CARDIOLOGY GROUP LLC | LINCOLN | NE | PHYSICIAN ASSISTANT | 78 | 1,851 | $159,444 | $86 | premium | 27.4% | (402) 483-3333 |
| 48 | PROMEDICA NORTHWEST OHIO CARDIOLOGY CONSULTANTS LLC | TOLEDO | OH | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 79 | 1,849 | $247,766 | $134 | premium | 6.4% | (419) 842-3000 |
| 49 | HONORHEALTH AMBULATORY | SCOTTSDALE | AZ | PHYSICIAN ASSISTANT | 601 | 1,844 | $191,887 | $104 | premium | 10.9% | — |
| 50 | INTEGRIS CARDIOVASCULAR PHYSICIANS LLC | OKLAHOMA CITY | OK | PHYSICIAN ASSISTANT | 114 | 1,830 | $186,660 | $102 | premium | 17.3% | (405) 951-4345 |
| 51 | SCRIPPS HEALTH | LA JOLLA | CA | PHYSICIAN ASSISTANT | 1431 | 1,807 | $267,242 | $148 | premium | 4.4% | (858) 455-9100 |
| 52 | MCV ASSOCIATED PHYSICIANS | RICHMOND | VA | NURSE PRACTITIONER | 1791 | 1,782 | $488,268 | $274 | premium | 7.0% | (804) 828-9000 |
| 53 | ST. PETER'S HEALTH PARTNERS MEDICAL ASSOCIATES, P.C. | ALBANY | NY | PHYSICIAN ASSISTANT | 480 | 1,749 | $204,377 | $117 | premium | 4.7% | (518) 525-1852 |
| 54 | MERCY CLINIC HEART AND VASCULAR LLC | SAINT LOUIS | MO | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 112 | 1,748 | $301,955 | $173 | premium | 9.9% | (314) 842-0602 |
| 55 | ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI | NEW YORK | NY | PHYSICIAN ASSISTANT | 2818 | 1,736 | $468,720 | $270 | premium | 4.7% | (212) 241-4812 |
| 56 | FRANCISCAN PHYSICIAN NETWORK | INDIANAPOLIS | IN | PHYSICIAN ASSISTANT | 1151 | 1,675 | $244,121 | $146 | premium | 8.9% | — |
| 57 | LAHEY CLINIC INC | BURLINGTON | MA | NURSE PRACTITIONER | 1400 | 1,673 | $381,730 | $228 | premium | 8.3% | — |
| 58 | PRISMA HEALTH MEDICAL GROUP-MIDLANDS | COLUMBIA | SC | PHYSICIAN ASSISTANT | 1017 | 1,672 | $232,408 | $139 | premium | 9.0% | (803) 749-5101 |
| 59 | CARDIOLOGY CLINIC OF SAN ANTONIO, PLLC | SAN ANTONIO | TX | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 124 | 1,651 | $264,831 | $160 | premium | 3.7% | (210) 271-3204 |
| 60 | ST VINCENT'S AMBULATORY CARE INC | JACKSONVILLE | FL | NURSE PRACTITIONER | 294 | 1,636 | $338,652 | $207 | premium | 3.5% | (904) 308-6900 |
| 61 | MAIN LINE HEALTHCARE | BRYN MAWR | PA | NURSE PRACTITIONER | 1157 | 1,636 | $368,100 | $225 | premium | 4.1% | — |
| 62 | PARKVIEW HEALTH SYSTEM INC | FORT WAYNE | IN | NURSE PRACTITIONER | 1310 | 1,628 | $411,884 | $253 | premium | 8.7% | (260) 425-5900 |
| 63 | GRAND STRAND SURGICAL SPECIALISTS LLC | MYRTLE BEACH | SC | PHYSICIAN ASSISTANT | 51 | 1,597 | $288,303 | $181 | premium | 8.6% | (843) 848-1440 |
| 64 | OHIOHEALTH CORPORATION | COLUMBUS | OH | PHYSICIAN ASSISTANT | 2282 | 1,579 | $214,744 | $136 | premium | 5.4% | — |
| 65 | ALASKA HEART INSTITUTE | ANCHORAGE | AK | PHYSICIAN ASSISTANT | 57 | 1,576 | $877,314 | $557 | premium | 74.5% | (907) 561-3211 |
| 66 | BAPTIST HEALTH | LITTLE ROCK | AR | NURSE PRACTITIONER | 106 | 1,573 | $298,870 | $190 | premium | 16.1% | (501) 227-7596 |
| 67 | TRI-CITY CARDIOLOGY CONSULTANTS PC | MESA | AZ | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 41 | 1,568 | $115,916 | $74 | premium | 9.3% | (480) 835-6100 |
| 68 | JOSEPH A CAPLAN MD PC | SUN CITY WEST | AZ | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 31 | 1,564 | $139,707 | $89 | premium | 9.3% | (623) 876-8816 |
| 69 | COASTAL CAROLINA MULTISPECIALTY ASSOCIATES LLC | CHARLESTON | SC | NURSE PRACTITIONER | 49 | 1,554 | $278,795 | $179 | premium | 8.3% | — |
| 70 | REGENTS OF THE UNIVERSITY OF MICHIGAN | ANN ARBOR | MI | INTERNAL MEDICINE | 3330 | 1,544 | $345,744 | $224 | premium | 8.8% | (734) 763-5459 |
| 71 | STONY BROOK INTERNISTS UNIVERSITY FACULTY PRACTICE CORPORATION | STONY BROOK | NY | HOSPITALIST | 414 | 1,538 | $353,740 | $230 | premium | 4.1% | (631) 444-1560 |
| 72 | PRISMA HEALTH UNIVERSITY MEDICAL GROUP | GREENVILLE | SC | NURSE PRACTITIONER | 2447 | 1,528 | $216,816 | $142 | premium | 8.2% | — |
| 73 | ORLANDO HEALTH MEDICAL GROUP INC | ORLANDO | FL | PHYSICIAN ASSISTANT | 2145 | 1,525 | $264,569 | $173 | premium | 3.2% | (407) 896-1100 |
| 74 | THE ASSOCIATION OF UNIVERSITY PHYSICIANS | SEATTLE | WA | PHYSICIAN ASSISTANT | 3612 | 1,481 | $191,587 | $129 | premium | 10.8% | (206) 364-0500 |
| 75 | BAPTIST MEDICAL GROUP LLC | PENSACOLA | FL | PHYSICIAN ASSISTANT | 248 | 1,479 | $177,460 | $120 | premium | 3.1% | — |
| 76 | UNIVERSITY MEDICAL ASSOCIATES OF THE MEDICAL UNIVERSITY OF SOUTH CAROL | CHARLESTON | SC | PHYSICIAN ASSISTANT | 1692 | 1,467 | $388,074 | $265 | premium | 7.9% | (843) 792-1414 |
| 77 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 1,463 | $371,275 | $254 | premium | 3.6% | (916) 681-8852 |
| 78 | MAYO CLINIC ARIZONA | PHOENIX | AZ | PHYSICIAN ASSISTANT | 1635 | 1,456 | $378,560 | $260 | premium | 8.6% | (800) 603-0558 |
| 79 | NORTH CAROLINA MG LLC | RALEIGH | NC | PHYSICIAN ASSISTANT | 674 | 1,445 | $294,780 | $204 | premium | 6.1% | (919) 881-0160 |
| 80 | HOUSTON CARDIOVASCULAR ASSOC PA | HOUSTON | TX | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 84 | 1,423 | $266,074 | $187 | premium | 3.2% | (713) 790-0841 |
| 81 | CARDIOVASCULAR INSTITUTE OF CENTRAL FLORIDA LLC | OCALA | FL | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 69 | 1,396 | $104,944 | $75 | premium | 3.0% | (352) 622-4251 |
| 82 | MEMORIAL HEALTH CARE SYSTEM INC. | CHATTANOOGA | TN | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 56 | 1,380 | $273,240 | $198 | premium | 6.5% | (423) 697-2000 |
| 83 | HEARTPLACE PLLC | PLANO | TX | INTERVENTIONAL CARDIOLOGY | 93 | 1,365 | $204,750 | $150 | premium | 3.1% | (972) 985-8838 |
| 84 | PROVIDENCE HEALTH AND SERVICES WASHINGTON | SPOKANE | WA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 56 | 1,361 | $152,432 | $112 | premium | 9.9% | (509) 455-8820 |
| 85 | SPECIALTY PHYSICIAN GROUP LLC | GERMANTOWN | TN | NURSE PRACTITIONER | 100 | 1,358 | $235,945 | $174 | premium | 6.4% | (901) 763-0200 |
| 86 | UNIVERSITY OF PITTSBURGH PHYSICIANS | PITTSBURGH | PA | DIAGNOSTIC RADIOLOGY | 4291 | 1,341 | $280,269 | $209 | premium | 3.4% | — |
| 87 | LEXINGTON HEALTH INC | WEST COLUMBIA | SC | NURSE PRACTITIONER | 909 | 1,331 | $266,707 | $200 | premium | 7.1% | (803) 744-4900 |
| 88 | PREMIER HEALTH SPECIALISTS INC | DAYTON | OH | PHYSICIAN ASSISTANT | 574 | 1,316 | $196,182 | $149 | premium | 4.5% | — |
| 89 | UNIVERSITY OF WISCONSIN MEDICAL FOUNDATION INC | MADISON | WI | PHYSICIAN ASSISTANT | 2523 | 1,314 | $656,100 | $499 | premium | 11.2% | (608) 287-2050 |
| 90 | TEXAS HEALTH PHYSICIANS GROUP | FORT WORTH | TX | PHYSICIAN ASSISTANT | 1350 | 1,298 | $275,856 | $213 | premium | 2.9% | (817) 281-2977 |
| 91 | CLINICAL HEALTH CARE ASSOCIATES OF NEW JERSEY PC | CHERRY HILL | PA | DIAGNOSTIC RADIOLOGY | 825 | 1,298 | $294,646 | $227 | premium | 3.3% | (856) 433-2535 |
| 92 | CARDIOLOGY ASSOCIATES OF MOBILE INC | MOBILE | AL | PHYSICIAN ASSISTANT | 52 | 1,276 | $108,224 | $85 | premium | 11.5% | (251) 460-0078 |
| 93 | ST VINCENT INFIRMARY MEDICAL CENTER | LITTLE ROCK | AR | NURSE PRACTITIONER | 47 | 1,263 | $177,450 | $140 | premium | 12.9% | (501) 255-6000 |
| 94 | WELLMONT CARDIOLOGY SERVICES | KINGSPORT | TN | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 138 | 1,243 | $107,830 | $87 | premium | 5.9% | (423) 230-5000 |
| 95 | FRANCISCAN MEDICAL GROUP | TACOMA | WA | PHYSICIAN ASSISTANT | 1407 | 1,243 | $188,045 | $151 | premium | 9.1% | (253) 428-2200 |
| 96 | SANFORD MEDICAL CENTER | SIOUX FALLS | SD | NURSE PRACTITIONER | 831 | 1,239 | $466,559 | $377 | premium | 41.2% | (605) 332-2883 |
| 97 | RIVERSIDE PHYSICIAN SERVICES INC | NEWPORT NEWS | VA | PHYSICIAN ASSISTANT | 793 | 1,211 | $152,645 | $126 | premium | 4.8% | — |
| 98 | CARDIOLOGY SPECIALISTS OF NORTH TEXAS PLLC | DALLAS | TX | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 67 | 1,194 | $223,558 | $187 | premium | 2.7% | — |
| 99 | BON SECOURS MEDICAL GROUP GREENVILLE SPECIALTY CARE LLC | GREENVILLE | SC | NURSE PRACTITIONER | 288 | 1,191 | $170,313 | $143 | premium | 6.4% | (864) 255-1901 |
| 100 | JOHN MUIR PHYSICIAN NETWORK | WALNUT CREEK | CA | FAMILY PRACTICE | 489 | 1,189 | $304,384 | $256 | premium | 2.9% | (925) 296-9720 |
Showing the top 100 of 1,079 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 →