36482 — Chemical destruction of first incompetent vein of arm or leg using imaging guidance
25,309 observed fee-for-service (49%) · ~26,491 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 | 36482 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | WAZNI PLLC | TAMPA | FL | GENERAL SURGERY | 30 | 1,994 | $6,807,345 | $3,414 | premium | 31.2% | (800) 991-6117 |
| 2 | ILLINOIS UVC MEDICAL PLLC | OAK LAWN | IL | GENERAL SURGERY | 11 | 1,176 | $7,189,650 | $6,114 | premium | 33.9% | (800) 991-6117 |
| 3 | ARIZONA UVC MEDICAL PLLC | PHOENIX | AZ | GENERAL SURGERY | 13 | 1,063 | $3,638,061 | $3,422 | premium | 32.9% | (800) 991-6117 |
| 4 | COLORADO MEDICAL GROUP PLLC | FORT COLLINS | CO | GENERAL SURGERY | 10 | 866 | $3,213,625 | $3,711 | premium | 58.0% | (813) 961-1331 |
| 5 | LEGACY VEIN CENTER PLLC | ABINGDON | TN | NURSE PRACTITIONER | 16 | 427 | $1,661,290 | $3,891 | premium | 28.0% | (276) 477-4600 |
| 6 | BASS MEDICAL GROUP | WALNUT CREEK | CA | OTOLARYNGOLOGY | 318 | 417 | $3,516,144 | $8,432 | premium | 4.4% | — |
| 7 | NORTH COAST SURGICAL SPECIALISTS | EUREKA | CA | GENERAL SURGERY | 2 | 373 | $1,939,600 | $5,200 | premium | 3.9% | (707) 445-3674 |
| 8 | LIEBER-MOORE CARDIOLOGY ASSOCIATES PA | KINGWOOD | TX | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 16 | 370 | $2,429,398 | $6,566 | premium | 8.3% | (281) 358-1950 |
| 9 | NEW JERSEY MEDICAL SERVICES GROUP LLC | WARREN | NJ | EMERGENCY MEDICINE | 23 | 352 | $1,408,000 | $4,000 | premium | 63.8% | (866) 607-2308 |
| 10 | EAST TEXAS SURGICAL ASSOCIATES, PA | CORPUS CHRISTI | TX | NURSE PRACTITIONER | 5 | 349 | $2,000,000 | $5,731 | premium | 7.8% | (361) 882-4000 |
| 11 | LAKESIDE HEART AND VASCULAR CENTER PLLC | LAKE HAVASU CITY | AZ | NURSE PRACTITIONER | 27 | 328 | $1,213,272 | $3,699 | premium | 10.2% | (928) 453-2727 |
| 12 | NORTHERN HEART AND VASCULAR INSTITUTE INC MEDICAL ASSOCIATES | RED BLUFF | CA | PHYSICIAN ASSISTANT | 2 | 325 | $1,235,000 | $3,800 | premium | 3.4% | (530) 244-3278 |
| 13 | VEIN ENVY LLC | LITCHFIELD PARK | AZ | PHYSICIAN ASSISTANT | 3 | 321 | $842,946 | $2,626 | premium | 9.9% | (623) 233-1050 |
| 14 | SPEARMAN MD INC | ARROYO GRANDE | CA | DIAGNOSTIC RADIOLOGY | 2 | 320 | $1,202,787 | $3,759 | premium | 3.4% | (805) 473-8346 |
| 15 | JOSEPH B FURLONG PA | LAS CRUCES | TX | NURSE PRACTITIONER | 8 | 311 | $1,088,500 | $3,500 | premium | 6.9% | (575) 288-3216 |
| 16 | MIDDLE TENNESSEE SURGICAL SPECIALISTS, LLC | COOKEVILLE | TN | GENERAL SURGERY | 9 | 306 | $1,224,000 | $4,000 | premium | 20.1% | (931) 528-1992 |
| 17 | NG MEDICAL CENTER LLC | MERRILLVILLE | IN | DIAGNOSTIC RADIOLOGY | 3 | 306 | $1,377,000 | $4,500 | premium | 32.4% | — |
| 18 | COLORADO MEDICAL GROUP PLLC | FORT COLLINS | NC | GENERAL SURGERY | 10 | 280 | $1,028,953 | $3,675 | premium | 73.5% | (813) 961-1331 |
| 19 | TENET FLORIDA PHYSICIAN SERVICES LLC | DELRAY BEACH | FL | CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) | 224 | 269 | $1,579,299 | $5,871 | premium | 4.2% | (561) 498-4440 |
| 20 | DOMINION HEART AND VASCULAR CLINIC | COLONIAL HEIGHTS | VA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 3 | 263 | $1,225,182 | $4,658 | premium | 20.0% | (804) 621-7262 |
| 21 | ROCKY MOUNTAIN VEIN INSTITUTE PROFESSIONAL LLC | PUEBLO | CO | NURSE PRACTITIONER | 12 | 260 | $1,715,220 | $6,597 | premium | 17.4% | (719) 543-8346 |
| 22 | CENTER FOR ADVANCED CARDIAC AND VASCULAR INTERVENTIONS | TARZANA | CA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 11 | 256 | $1,893,000 | $7,395 | premium | 2.7% | (818) 905-5904 |
| 23 | REVERE HEALTH PC | PROVO | UT | PHYSICIAN ASSISTANT | 410 | 255 | $1,073,727 | $4,211 | premium | 52.9% | — |
| 24 | CENTER FOR VEIN RESTORATION SC LLC | COLUMBIA | IL | EMERGENCY MEDICINE | 3 | 252 | $1,039,106 | $4,123 | premium | 7.3% | (855) 830-8346 |
| 25 | EMPIRE VEIN AND VASCULAR SPECIALISTS | RANCHO MIRAGE | CA | VASCULAR SURGERY | 6 | 237 | $1,185,000 | $5,000 | premium | 2.5% | 76056834613 |
| 26 | GEORGIA UVC MEDICAL LLC | ATLANTA | GA | GENERAL SURGERY | 5 | 213 | $771,238 | $3,621 | premium | 19.9% | (800) 991-6117 |
| 27 | MVC AZ | PHOENIX | FL | EMERGENCY MEDICINE | 4 | 208 | $832,000 | $4,000 | premium | 3.3% | (866) 607-2308 |
| 28 | JAMES J LYNCH MD LTD | CARSON CITY | NV | PHYSICIAN ASSISTANT | 84 | 204 | $1,264,800 | $6,200 | premium | 23.9% | (775) 783-6190 |
| 29 | PETER WROBEL MD PC | WAYCROSS | GA | FAMILY PRACTICE | 2 | 204 | $856,800 | $4,200 | premium | 19.0% | 9122831359185 |
| 30 | CENTER FOR VEIN RESTORATION GA CORP | ATLANTA | GA | GENERAL SURGERY | 5 | 195 | $877,500 | $4,500 | premium | 18.2% | (855) 830-8346 |
| 31 | LAKESIDE HEART AND VASCULAR CENTER PLLC | LAKE HAVASU CITY | AL | NURSE PRACTITIONER | 27 | 193 | $713,907 | $3,699 | premium | 32.0% | (928) 453-2727 |
| 32 | NEVADA HEART AND VASCULAR CENTER RESH LLP | LAS VEGAS | NV | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 42 | 190 | $1,046,118 | $5,506 | premium | 22.2% | (702) 240-6482 |
| 33 | VEGAS VASCULAR SPECIALISTS PLLC | LAS VEGAS | NV | VASCULAR SURGERY | 9 | 185 | $742,000 | $4,011 | premium | 21.6% | (702) 565-8346 |
| 34 | OHH PHYSICIANS LLC | OKLAHOMA CITY | OK | INTERVENTIONAL CARDIOLOGY | 134 | 183 | $98,820 | $540 | premium | 46.6% | (405) 608-3800 |
| 35 | INTERVENTIONAL PARTNERS PLLC | FRISCO | TX | PODIATRY | 93 | 179 | $1,039,981 | $5,810 | premium | 4.0% | (972) 712-4161 |
| 36 | SURGICAL SPECIALISTS OF CENTRAL FLORIDA INC | OCOEE | FL | VASCULAR SURGERY | 5 | 179 | $626,500 | $3,500 | premium | 2.8% | (407) 293-5944 |
| 37 | COASTAL VASCULAR CENTER PC | OXNARD | CA | VASCULAR SURGERY | 4 | 151 | $738,276 | $4,889 | premium | 1.6% | (805) 983-6233 |
| 38 | MEDICAL ASSOCIATES OF BREVARD LLC | MELBOURNE | FL | NURSE PRACTITIONER | 82 | 148 | $480,704 | $3,248 | premium | 2.3% | (321) 622-8730 |
| 39 | PREMIER ENDOVASCULAR, PLLC | DALLAS | TX | INTERNAL MEDICINE | 7 | 139 | $785,188 | $5,649 | premium | 3.1% | (972) 646-8346 |
| 40 | INOVIA LLC | BEND | OR | GENERAL SURGERY | 15 | 138 | $771,420 | $5,590 | premium | 46.9% | (541) 382-8346 |
| 41 | CONSULTANTS IN CARDIOLOGY AND ELECTROPHYSIOLOLGY LLC | EVERGREEN PARK | IL | NURSE PRACTITIONER | 21 | 137 | $888,500 | $6,485 | premium | 3.9% | (708) 346-5562 |
| 42 | SCRIPPS HEALTH | LA JOLLA | CA | PHYSICIAN ASSISTANT | 1431 | 135 | $969,887 | $7,184 | premium | 1.4% | (858) 455-9100 |
| 43 | CHICAGO CARDIOLOGY INSTITUTE SC | SCHAUMBURG | IL | NURSE PRACTITIONER | 22 | 135 | $677,700 | $5,020 | premium | 3.9% | (847) 605-9500 |
| 44 | TRI-CITY CARDIOLOGY CONSULTANTS PC | MESA | AZ | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 41 | 131 | $412,258 | $3,147 | premium | 4.1% | (480) 835-6100 |
| 45 | CALIFORNIA CARDIOVASCULAR CARE MEDICAL GROUP, INC | PASADENA | CA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 4 | 129 | $580,500 | $4,500 | premium | 1.4% | (626) 577-7050 |
| 46 | LAKE HEART SPECIALISTS | LIBERTYVILLE | IL | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 6 | 128 | $448,000 | $3,500 | premium | 3.7% | 84754901700 |
| 47 | HEART SOUTH CARDIOVASCULAR GROUP, P.C. | BIRMINGHAM | AL | NURSE PRACTITIONER | 23 | 127 | $297,521 | $2,343 | premium | 21.1% | (205) 877-2838 |
| 48 | DAKOTA VASCULAR PROF LLC | SIOUX FALLS | SD | VASCULAR SURGERY | 6 | 125 | $600,727 | $4,806 | premium | 26.7% | (605) 306-6100 |
| 49 | CENTERS FOR PAIN CONTROL, INC | VALPARAISO | IN | CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) | 27 | 125 | $166,250 | $1,330 | premium | 13.3% | (219) 476-7246 |
| 50 | CENTER FOR ADVANCED CARDIAC AND VASCULAR INTERVENTIONS | TARZANA | MI | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 11 | 125 | $937,500 | $7,500 | premium | 19.6% | (818) 905-5904 |
| 51 | SILVER SUMMIT MEDICAL CORPORATION | BAKERSFIELD | CA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 9 | 124 | $867,380 | $6,995 | premium | 1.3% | (661) 327-4455 |
| 52 | SEQUOIA MULTISPECIALTY MEDICAL GROUP | VISALIA | CA | PHYSICIAN ASSISTANT | 4 | 119 | $342,988 | $2,882 | premium | 1.3% | (559) 713-6478 |
| 53 | NORTH TEXAS VASCULAR AND VARICOSE | FRISCO | TX | EMERGENCY MEDICINE | 2 | 119 | $753,984 | $6,336 | premium | 2.7% | (972) 378-5347 |
| 54 | ROCKY MOUNTAIN VEIN CLINIC PC | BILLINGS | WY | PHYSICIAN ASSISTANT | 5 | 118 | $849,600 | $7,200 | premium | 48.8% | (406) 252-8346 |
| 55 | CALIFORNIA HEART SPECIALISTS INC | HUNTINGTON BEACH | CA | NURSE PRACTITIONER | 3 | 117 | $1,471,954 | $12,581 | premium | 1.2% | (714) 843-6800 |
| 56 | CENTER FOR VEIN RESTORATION MD LLC | SILVER SPRING | MD | EMERGENCY MEDICINE | 29 | 112 | $504,000 | $4,500 | premium | 28.4% | (855) 830-8346 |
| 57 | RAJIV AGARWAL MD PA | HUMBLE | TX | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 22 | 112 | $565,619 | $5,050 | premium | 2.5% | (832) 644-8930 |
| 58 | BARNABAS HEALTH MEDICAL GROUP PC | LIVINGSTON | NJ | NURSE PRACTITIONER | 990 | 109 | $1,023,395 | $9,389 | premium | 19.7% | — |
| 59 | REGIONAL CLINICS OF LONGVIEW | LONGVIEW | TX | NURSE PRACTITIONER | 36 | 108 | $603,612 | $5,589 | premium | 2.4% | (903) 757-6042 |
| 60 | VEIN CLINICS OF CHICAGO LLC | ELMWOOD PARK | IL | GENERAL SURGERY | 7 | 102 | $3,264,000 | $32,000 | premium | 2.9% | (847) 593-8460 |
| 61 | RICHMOND HEART AND VASCULAR ASSOCIATES | MECHANICSVILLE | VA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 22 | 101 | $511,319 | $5,063 | premium | 7.7% | (804) 800-6600 |
| 62 | CARDIAC CATH LAB OF CONROE, LP | SHENANDOAH | TX | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 7 | 100 | $290,000 | $2,900 | premium | 2.2% | (936) 321-0080 |
| 63 | THE IOWA CLINIC PC | WEST DES MOINES | IA | PHYSICIAN ASSISTANT | 302 | 99 | $702,900 | $7,100 | premium | 22.4% | (515) 343-1000 |
| 64 | CASPER CARDIOLOGY | CASPER | WY | PHYSICIAN ASSISTANT | 5 | 99 | $247,500 | $2,500 | premium | 40.9% | — |
| 65 | SURGICAL ASSOCIATES OF MONTEREY BAY MEDICAL CORPORATION | SANTA CRUZ | CA | GENERAL SURGERY | 7 | 98 | $676,200 | $6,900 | premium | 1.0% | (831) 464-9962 |
| 66 | KEVIN M CASEY MD APMC | SANTA BARBARA | CA | VASCULAR SURGERY | 4 | 97 | $426,024 | $4,392 | premium | 1.0% | 8054568890127 |
| 67 | ROCKY MOUNTAIN VEIN INSTITUTE PROFESSIONAL LLC | PUEBLO | MO | NURSE PRACTITIONER | 12 | 97 | $639,909 | $6,597 | premium | 28.8% | (719) 543-8346 |
| 68 | ALFIERI CARDIOLOGY, P.A. | WILMINGTON | DE | NURSE PRACTITIONER | 4 | 95 | $260,300 | $2,740 | premium | 68.3% | (302) 731-0001 |
| 69 | HORIZONS DIAGNOSTICS, L.L.C. | COLUMBUS | GA | FAMILY PRACTICE | 23 | 95 | $564,490 | $5,942 | premium | 8.9% | (706) 322-0304 |
| 70 | SASHA SALLOUM MD INC A PROFESSIONAL MEDICAL CORPORATION | CHULA VISTA | CA | PODIATRY | 9 | 93 | $572,694 | $6,158 | premium | 1.0% | (619) 567-7007 |
| 71 | COMPREHENSIVE INTERVENTIONAL CARE CENTERS PLLC | GILBERT | AZ | DIAGNOSTIC RADIOLOGY | 8 | 92 | $450,483 | $4,897 | premium | 2.9% | (480) 374-7354 |
| 72 | GOLDEN STATE HEART AND VASCULAR ASSOCIATES | BURLINGAME | CA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 9 | 91 | $343,000 | $3,769 | premium | 1.0% | (650) 697-2431 |
| 73 | BIRMINGHAM HEART CLINIC, PLLC | BIRMINGHAM | AL | INTERVENTIONAL CARDIOLOGY | 25 | 90 | $271,660 | $3,018 | premium | 14.9% | (205) 856-2284 |
| 74 | PIMA HEART PHYSICIANS PC | GREEN VALLEY | AZ | NURSE PRACTITIONER | 65 | 89 | $373,711 | $4,199 | premium | 2.8% | (520) 838-3540 |
| 75 | HEART OF THE VILLAGES PLC | LADY LAKE | FL | NURSE PRACTITIONER | 16 | 89 | $299,212 | $3,362 | premium | 1.4% | (352) 674-2080 |
| 76 | CENTER FOR VEIN RESTORATION AZ LLC | GILBERT | AZ | CARDIAC SURGERY | 4 | 88 | $396,000 | $4,500 | premium | 2.7% | (855) 830-8346 |
| 77 | NEW JERSEY MEDICAL SERVICES GROUP LLC | WARREN | NY | EMERGENCY MEDICINE | 23 | 87 | $348,000 | $4,000 | premium | 5.4% | (866) 607-2308 |
| 78 | CARDIOVASCULAR INSTITUTE OF THE SOUTH, LLC | LAFAYETTE | LA | NURSE PRACTITIONER | 142 | 86 | $381,840 | $4,440 | premium | 27.7% | (337) 289-8429 |
| 79 | COTTON-O'NEIL CLINIC REVOCABLE TRUST | TOPEKA | KS | NURSE PRACTITIONER | 649 | 85 | $398,769 | $4,691 | premium | 42.3% | (785) 354-9591 |
| 80 | RYAN K ANDERSON D P M P C | BOUNTIFUL | UT | PODIATRY | 51 | 84 | $302,400 | $3,600 | premium | 17.4% | (801) 292-4425 |
| 81 | OREGON SURGICAL SPECIALISTS PC | MEDFORD | OR | PHYSICIAN ASSISTANT | 21 | 84 | $494,557 | $5,888 | premium | 28.6% | (541) 930-8907 |
| 82 | AQUA DERMATOLOGY OF FLORIDA, PA | NAPLES | FL | PHYSICIAN ASSISTANT | 184 | 84 | $283,668 | $3,377 | premium | 1.3% | (239) 596-9075 |
| 83 | CARDIOVASCULAR ASSOCIATION, P.L.L.C. | HUMBLE | TX | INTERVENTIONAL CARDIOLOGY | 52 | 83 | $410,717 | $4,948 | premium | 1.9% | (281) 446-6656 |
| 84 | CENTER FOR VEIN RESTORATION PA PLLC | HORSHAM | PA | INTERVENTIONAL RADIOLOGY | 10 | 83 | $373,500 | $4,500 | premium | 7.5% | (855) 930-8346 |
| 85 | A AND V DOCTORS PLLC | EL PASO | TX | INTERNAL MEDICINE | 7 | 82 | $454,280 | $5,540 | premium | 1.8% | (915) 307-7800 |
| 86 | ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI | NEW YORK | NY | PHYSICIAN ASSISTANT | 2818 | 82 | $685,520 | $8,360 | premium | 5.1% | (212) 241-4812 |
| 87 | SMH PHYSICIAN SERVICES INC | SARASOTA | FL | PHYSICIAN ASSISTANT | 766 | 81 | $310,554 | $3,834 | premium | 1.3% | — |
| 88 | HEART AND VASCULAR ASSOCIATES LLC | SIERRA VISTA | AZ | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 5 | 75 | $277,500 | $3,700 | premium | 2.3% | (520) 335-2400 |
| 89 | ADVOCATE HEALTH AND HOSPITALS CORPORATION | BUFFALO GROVE | IL | NURSE PRACTITIONER | 3045 | 74 | $333,740 | $4,510 | premium | 2.1% | (847) 459-1160 |
| 90 | HEARTPLACE PLLC | PLANO | TX | INTERVENTIONAL CARDIOLOGY | 93 | 73 | $321,200 | $4,400 | premium | 1.6% | (972) 985-8838 |
| 91 | CYPRESS CARDIOVASCULAR INSTITUTE PLLC | CYPRESS | TX | INTERVENTIONAL CARDIOLOGY | 6 | 71 | $282,184 | $3,974 | premium | 1.6% | (281) 955-9158 |
| 92 | ORACLE HEART AND VASCULAR INC | FREDERICKSBURG | VA | NURSE PRACTITIONER | 20 | 71 | $308,566 | $4,346 | premium | 5.4% | 85573999535027 |
| 93 | HOUSTON CARDIOVASCULAR ASSOC PA | HOUSTON | TX | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 84 | 70 | $322,553 | $4,608 | premium | 1.6% | (713) 790-0841 |
| 94 | MONTEREY BAY VASCULAR INC | APTOS | CA | GENERAL SURGERY | 3 | 70 | $323,811 | $4,626 | premium | 0.7% | (831) 318-0010 |
| 95 | CLS HEALTH PLLC | WEBSTER | TX | NURSE PRACTITIONER | 172 | 67 | $327,429 | $4,887 | premium | 1.5% | (281) 724-1860 |
| 96 | INTERVENTIONAL CARDIOLOGY MEDICAL GROUP, INC | WEST HILLS | CA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 7 | 66 | $198,000 | $3,000 | premium | 0.7% | (818) 702-8800 |
| 97 | LEHIGH VALLEY PHYSICIAN GROUP | ALLENTOWN | PA | PHYSICIAN ASSISTANT | 2389 | 65 | $188,512 | $2,900 | premium | 5.9% | — |
| 98 | TEXAS GROUP PLLC | HOUSTON | NY | FAMILY PRACTICE | 12 | 62 | $248,000 | $4,000 | premium | 3.8% | (866) 607-2308 |
| 99 | VASCULAR SOLUTIONS PC | CHARLOTTE | NC | PHYSICIAN ASSISTANT | 3 | 61 | $268,400 | $4,400 | premium | 16.0% | (704) 544-7535 |
| 100 | POWELL AND FUSELIER MEDICAL PLLC | DENTON | TX | PHYSICIAN ASSISTANT | 8 | 61 | $294,373 | $4,826 | premium | 1.4% | (940) 808-0949 |
Showing the top 100 of 253 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 →