33225 — Insertion of left lower heart electrode for pacemaker or defibrillator
8,136 observed fee-for-service (50%) · ~8,219 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 | 33225 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | HEALTHTEXAS PROVIDER NETWORK | DALLAS | TX | PHYSICIAN ASSISTANT | 2482 | 191 | $339,269 | $1,776 | premium | 18.0% | — |
| 2 | ALLINA HEALTH SYSTEM | MINNEAPOLIS | MN | PHYSICIAN ASSISTANT | 3855 | 171 | $358,564 | $2,097 | premium | 58.8% | (612) 863-4000 |
| 3 | CHS PHYSICIAN PARTNERS PC | ROSLYN | NY | PHYSICIAN ASSISTANT | 734 | 139 | $463,547 | $3,335 | premium | 28.4% | — |
| 4 | PIEDMONT CARDIOLOGY OF ATLANTA, LLC | ATLANTA | GA | PHYSICIAN ASSISTANT | 477 | 121 | $202,070 | $1,670 | premium | 22.1% | (404) 605-5000 |
| 5 | ST DAVIDS HEART AND VASCULAR PLLC | AUSTIN | TX | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 199 | 97 | $146,007 | $1,505 | premium | 9.2% | (512) 899-2028 |
| 6 | BAPTIST CARDIOLOGY, INC. | JACKSONVILLE | FL | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 99 | 97 | $126,097 | $1,300 | premium | 9.9% | (904) 399-1171 |
| 7 | GRAND STRAND SURGICAL SPECIALISTS LLC | MYRTLE BEACH | SC | PHYSICIAN ASSISTANT | 51 | 94 | $134,733 | $1,433 | premium | 14.4% | (843) 848-1440 |
| 8 | PRISMA HEALTH UNIVERSITY MEDICAL GROUP | GREENVILLE | SC | NURSE PRACTITIONER | 2447 | 91 | $92,274 | $1,014 | premium | 14.0% | — |
| 9 | HONORHEALTH AMBULATORY | SCOTTSDALE | AZ | PHYSICIAN ASSISTANT | 601 | 90 | $116,239 | $1,292 | premium | 23.6% | — |
| 10 | BON SECOURS MEDICAL GROUP GREENVILLE SPECIALTY CARE LLC | GREENVILLE | SC | NURSE PRACTITIONER | 288 | 89 | $88,288 | $992 | premium | 13.7% | (864) 255-1901 |
| 11 | INTEGRATED CARDIOLOGY GROUP LLC | LINCOLN | NE | PHYSICIAN ASSISTANT | 78 | 87 | $86,304 | $992 | premium | 45.3% | (402) 483-3333 |
| 12 | PHYSICIAN GROUPS LC | SAINT LOUIS | MO | NURSE PRACTITIONER | 516 | 78 | $122,928 | $1,576 | premium | 19.9% | (314) 273-0195 |
| 13 | COASTAL CAROLINA MULTISPECIALTY ASSOCIATES LLC | CHARLESTON | SC | NURSE PRACTITIONER | 49 | 77 | $109,972 | $1,428 | premium | 11.8% | — |
| 14 | OHH PHYSICIANS LLC | OKLAHOMA CITY | OK | INTERVENTIONAL CARDIOLOGY | 134 | 72 | $94,320 | $1,310 | premium | 31.9% | (405) 608-3800 |
| 15 | FLORIDA ELECTROPHYSIOLOGY ASSOCIATES PA | ATLANTIS | FL | CARDIAC ELECTROPHYSIOLOGY | 14 | 71 | $174,611 | $2,459 | premium | 7.3% | (561) 434-0353 |
| 16 | NCHMD INC | NAPLES | FL | NEUROLOGY | 515 | 70 | $78,610 | $1,123 | premium | 7.2% | (239) 436-5100 |
| 17 | DUKE HEALTH INTEGRATED PRACTICE INC | DURHAM | NC | PHYSICIAN ASSISTANT | 3051 | 69 | $140,760 | $2,040 | premium | 14.8% | (919) 684-8111 |
| 18 | CHRISTUS TRINITY CLINIC | TYLER | TX | NURSE PRACTITIONER | 1495 | 68 | $82,813 | $1,218 | premium | 6.4% | (903) 606-5560 |
| 19 | STONY BROOK INTERNISTS UNIVERSITY FACULTY PRACTICE CORPORATION | STONY BROOK | NY | HOSPITALIST | 414 | 64 | $112,843 | $1,763 | premium | 13.1% | (631) 444-1560 |
| 20 | DIGNITY HEALTH MEDICAL FOUNDATION | FOLSOM | CA | DIAGNOSTIC RADIOLOGY | 1197 | 64 | $143,744 | $2,246 | premium | 10.6% | (916) 983-7476 |
| 21 | KNOXVILLE HMA CARDIOLOGY PPM, LLC | KNOXVILLE | TN | NURSE PRACTITIONER | 42 | 60 | $85,200 | $1,420 | premium | 16.6% | (865) 470-2273 |
| 22 | WELLSTAR MEDICAL GROUP LLC | MARIETTA | GA | NURSE PRACTITIONER | 3060 | 59 | $82,252 | $1,394 | premium | 10.8% | (770) 422-2004 |
| 23 | HENDRICK PROVIDER NETWORK | ABILENE | TX | PHYSICIAN ASSISTANT | 249 | 56 | $72,408 | $1,293 | premium | 5.3% | (325) 672-4372 |
| 24 | JOHNS HOPKINS COMMUNITY PHYSICIANS, INC | BALTIMORE | MD | INTERNAL MEDICINE | 760 | 56 | $66,920 | $1,195 | premium | 23.8% | (410) 522-9800 |
| 25 | INTEGRIS CARDIOVASCULAR PHYSICIANS LLC | OKLAHOMA CITY | OK | PHYSICIAN ASSISTANT | 114 | 56 | $73,136 | $1,306 | premium | 24.8% | (405) 951-4345 |
| 26 | RIVERSIDE PHYSICIAN SERVICES INC | NEWPORT NEWS | VA | PHYSICIAN ASSISTANT | 793 | 55 | $46,860 | $852 | premium | 9.6% | — |
| 27 | LEHIGH VALLEY PHYSICIAN GROUP | ALLENTOWN | PA | PHYSICIAN ASSISTANT | 2389 | 54 | $59,020 | $1,093 | premium | 18.3% | — |
| 28 | BAPTIST HEALTH | LITTLE ROCK | AR | NURSE PRACTITIONER | 106 | 53 | $54,166 | $1,022 | premium | 22.9% | (501) 227-7596 |
| 29 | FRANCISCAN MEDICAL GROUP | TACOMA | WA | PHYSICIAN ASSISTANT | 1407 | 53 | $69,889 | $1,319 | premium | 24.1% | (253) 428-2200 |
| 30 | MISSION HEALTH COMMUNITY MULTISPECIALTY PROVIDERS LLC | ASHEVILLE | NC | PHYSICIAN ASSISTANT | 593 | 52 | $80,132 | $1,541 | premium | 11.1% | (828) 213-1740 |
| 31 | SCRIPPS HEALTH | LA JOLLA | CA | PHYSICIAN ASSISTANT | 1431 | 52 | $87,626 | $1,685 | premium | 8.6% | (858) 455-9100 |
| 32 | VANDERBILT UNIVERSITY MEDICAL CENTER | NASHVILLE | TN | NURSE PRACTITIONER | 3394 | 52 | $106,860 | $2,055 | premium | 14.4% | (615) 322-5000 |
| 33 | MERCY CLINIC SPRINGFIELD COMMUNITIES | SPRINGFIELD | MO | PHYSICIAN ASSISTANT | 1128 | 51 | $86,088 | $1,688 | premium | 13.0% | — |
| 34 | GENESIS MEDICAL GROUP, LLC | ZANESVILLE | OH | NURSE PRACTITIONER | 254 | 50 | $51,310 | $1,026 | premium | 18.9% | (740) 454-4038 |
| 35 | PROVIDENCE HEALTH AND SERVICES WASHINGTON | SPOKANE | WA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 56 | 49 | $68,845 | $1,405 | premium | 22.3% | (509) 455-8820 |
| 36 | HEALTH FIRST MEDICAL GROUP, LLC | MELBOURNE | FL | NURSE PRACTITIONER | 669 | 49 | $47,530 | $970 | premium | 5.0% | (321) 434-8878 |
| 37 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 48 | $104,268 | $2,172 | premium | 7.9% | (415) 600-1020 |
| 38 | NORTHSIDE CARDIOVASCULAR PROFESSIONAL SERVICES, LLC | ATLANTA | GA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 144 | 47 | $65,424 | $1,392 | premium | 8.6% | (404) 851-8000 |
| 39 | CHAS PHYSICIAN SERVICES LLC | COLUMBIA | MO | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 22 | 47 | $35,250 | $750 | premium | 12.0% | (573) 256-7700 |
| 40 | PROVIDENCE HEALTH AND SERVICES MT | MISSOULA | MT | PHYSICIAN ASSISTANT | 345 | 47 | $66,035 | $1,405 | premium | 26.0% | (406) 327-1900 |
| 41 | RICHMOND HEART AND VASCULAR ASSOCIATES | MECHANICSVILLE | VA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 22 | 47 | $63,557 | $1,352 | premium | 8.2% | (804) 800-6600 |
| 42 | GEORGIA HEART INSTITUTE LLC | GAINESVILLE | GA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 128 | 47 | $83,002 | $1,766 | premium | 8.6% | (770) 534-2020 |
| 43 | GENERAL PHYSICIAN PC | BUFFALO | NY | PHYSICIAN ASSISTANT | 462 | 46 | $36,800 | $800 | premium | 9.4% | (716) 884-3000 |
| 44 | STATE UNIVERSITY OF IOWA | IOWA CITY | IA | PHYSICIAN ASSISTANT | 1902 | 46 | $156,262 | $3,397 | premium | 23.6% | (319) 678-8201 |
| 45 | PRISMA HEALTH MEDICAL GROUP-MIDLANDS | COLUMBIA | SC | PHYSICIAN ASSISTANT | 1017 | 46 | $46,644 | $1,014 | premium | 7.1% | (803) 749-5101 |
| 46 | TEXAS HEALTH PHYSICIANS GROUP | FORT WORTH | TX | PHYSICIAN ASSISTANT | 1350 | 46 | $70,334 | $1,529 | premium | 4.3% | (817) 281-2977 |
| 47 | BAPTIST HEALTH MEDICAL GROUP INC | LOUISVILLE | KY | NURSE PRACTITIONER | 2448 | 44 | $44,528 | $1,012 | premium | 30.6% | (502) 928-1050 |
| 48 | THE EMORY CLINIC INC | ATLANTA | GA | NURSE PRACTITIONER | 3484 | 43 | $106,081 | $2,467 | premium | 7.8% | (404) 778-7525 |
| 49 | MOUNT CARMEL HEALTHPROVIDERS TWO LLC | COLUMBUS | OH | NURSE PRACTITIONER | 235 | 43 | $45,752 | $1,064 | premium | 16.2% | (614) 234-6000 |
| 50 | UNIVERSITY OF VIRGINIA PHYSICIANS GROUP | CHARLOTTESVILLE | VA | NURSE PRACTITIONER | 1704 | 43 | $55,554 | $1,292 | premium | 7.5% | (434) 924-5959 |
| 51 | MCV ASSOCIATED PHYSICIANS | RICHMOND | VA | NURSE PRACTITIONER | 1791 | 43 | $83,549 | $1,943 | premium | 7.5% | (804) 828-9000 |
| 52 | NORTH CAROLINA MG LLC | RALEIGH | NC | PHYSICIAN ASSISTANT | 674 | 43 | $71,767 | $1,669 | premium | 9.2% | (919) 881-0160 |
| 53 | BARNABAS HEALTH MEDICAL GROUP PC | LIVINGSTON | NJ | NURSE PRACTITIONER | 990 | 42 | $121,086 | $2,883 | premium | 10.6% | — |
| 54 | FRANCISCAN PHYSICIAN NETWORK | INDIANAPOLIS | IN | PHYSICIAN ASSISTANT | 1151 | 42 | $37,926 | $903 | premium | 12.3% | — |
| 55 | LEXINGTON HEALTH INC | WEST COLUMBIA | SC | NURSE PRACTITIONER | 909 | 42 | $61,068 | $1,454 | premium | 6.4% | (803) 744-4900 |
| 56 | BAYHEALTH MEDICAL CENTER, INC | DOVER | DE | NURSE PRACTITIONER | 394 | 42 | $36,344 | $865 | premium | 38.2% | (302) 744-4700 |
| 57 | PROMEDICA NORTHWEST OHIO CARDIOLOGY CONSULTANTS LLC | TOLEDO | OH | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 79 | 41 | $39,565 | $965 | premium | 15.5% | (419) 842-3000 |
| 58 | ENDEAVOR HEALTH MEDICAL GROUP | EVANSTON | IL | NURSE PRACTITIONER | 3380 | 41 | $77,048 | $1,879 | premium | 5.9% | — |
| 59 | SAINT THOMAS MEDICAL PARTNERS | NASHVILLE | TN | NURSE PRACTITIONER | 591 | 41 | $46,207 | $1,127 | premium | 11.3% | (615) 269-4545 |
| 60 | ST BERNARDS PHYSICIAN CLINICS INC | JONESBORO | AR | NURSE PRACTITIONER | 206 | 39 | $34,315 | $880 | premium | 16.9% | (870) 972-8181 |
| 61 | CALIFORNIA CARDIOVASCULAR INSTITUTE | BAKERSFIELD | CA | CARDIAC ELECTROPHYSIOLOGY | 4 | 39 | $35,919 | $921 | premium | 6.5% | (661) 443-0088 |
| 62 | ATLANTICARE PHYSICIAN GROUP PA | EGG HARBOR TOWNSHIP | NJ | NURSE PRACTITIONER | 507 | 38 | $37,202 | $979 | premium | 9.5% | — |
| 63 | UT PHYSICIANS | HOUSTON | TX | NURSE PRACTITIONER | 1758 | 38 | $80,332 | $2,114 | premium | 3.6% | (713) 566-5000 |
| 64 | ADVANCED CARDIOVASCULAR SPECIALISTS | SHREVEPORT | LA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 22 | 38 | $38,608 | $1,016 | premium | 27.3% | (318) 798-9400 |
| 65 | CARDIOVASCULAR ASSOCIATION, P.L.L.C. | HUMBLE | TX | INTERVENTIONAL CARDIOLOGY | 52 | 38 | $39,900 | $1,050 | premium | 3.6% | (281) 446-6656 |
| 66 | HEART SPECIALISTS OF SARASOTA PL | SARASOTA | FL | PHYSICIAN ASSISTANT | 24 | 38 | $39,330 | $1,035 | premium | 3.9% | (941) 917-1000 |
| 67 | CENTENNIAL HEART LLC | NASHVILLE | TN | NURSE PRACTITIONER | 121 | 36 | $50,840 | $1,412 | premium | 9.9% | (615) 515-1900 |
| 68 | SENTARA MEDICAL GROUP | NORFOLK | VA | PHYSICIAN ASSISTANT | 1404 | 35 | $30,198 | $863 | premium | 6.1% | — |
| 69 | MCPC-5 LLC | PINEHURST | NC | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 30 | 35 | $52,923 | $1,512 | premium | 7.5% | (910) 715-7650 |
| 70 | CAROMONT MEDICAL GROUP INC | GASTONIA | NC | NURSE PRACTITIONER | 425 | 35 | $78,933 | $2,255 | premium | 7.5% | (704) 865-3848 |
| 71 | SHANNON CLINIC | SAN ANGELO | TX | NURSE PRACTITIONER | 515 | 35 | $48,790 | $1,394 | premium | 3.3% | (325) 747-1511 |
| 72 | MERCY CLINIC HEART AND VASCULAR LLC | SAINT LOUIS | MO | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 112 | 34 | $51,977 | $1,529 | premium | 8.7% | (314) 842-0602 |
| 73 | HH HEART CENTER, LLC | HUNTSVILLE | AL | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 90 | 34 | $36,550 | $1,075 | premium | 45.3% | (256) 265-2372 |
| 74 | HOUSTON CARDIOVASCULAR ASSOC PA | HOUSTON | TX | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 84 | 33 | $49,500 | $1,500 | premium | 3.1% | (713) 790-0841 |
| 75 | JOSEPH A CAPLAN MD PC | SUN CITY WEST | AZ | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 31 | 33 | $36,312 | $1,100 | premium | 8.6% | (623) 876-8816 |
| 76 | HEART RHYTHM CONSULTANTS PA | SARASOTA | FL | NURSE PRACTITIONER | 5 | 33 | $32,138 | $974 | premium | 3.4% | (941) 484-6758 |
| 77 | MUSC COMMUNITY PHYSICIANS | ORANGEBURG | SC | NURSE PRACTITIONER | 1307 | 32 | $130,784 | $4,087 | premium | 4.9% | (803) 395-3400 |
| 78 | DUPAGE MEDICAL GROUP LTD | GLEN ELLYN | IL | PHYSICIAN ASSISTANT | 1323 | 32 | $54,144 | $1,692 | premium | 4.6% | (630) 469-9200 |
| 79 | SAINT ALPHONSUS REGIONAL MEDICAL CENTER INC | BOISE | ID | PHYSICIAN ASSISTANT | 647 | 32 | $43,808 | $1,369 | premium | 35.2% | — |
| 80 | PORTER PHYSICIAN SERVICES LLC | VALPARAISO | IN | NURSE PRACTITIONER | 99 | 32 | $37,952 | $1,186 | premium | 9.4% | (219) 548-3843 |
| 81 | EMERGENCY AND ACUTE CARE MEDICAL CORPORATION | SAN DIEGO | CA | INTERNAL MEDICINE | 450 | 30 | $23,850 | $795 | premium | 5.0% | (858) 939-3400 |
| 82 | ETMC PHYSICIAN GROUP, INC. | TYLER | TX | NURSE PRACTITIONER | 373 | 30 | $41,100 | $1,370 | premium | 2.8% | (903) 590-5611 |
| 83 | COMMUNITY CARE NETWORK INC | MUNSTER | IN | NURSE PRACTITIONER | 379 | 30 | $27,900 | $930 | premium | 8.8% | (219) 836-4563 |
| 84 | HEARTPLACE PLLC | PLANO | TX | INTERVENTIONAL CARDIOLOGY | 93 | 30 | $29,250 | $975 | premium | 2.8% | (972) 985-8838 |
| 85 | HEARTLAND CARDIOLOGY, LLC | WICHITA | KS | NURSE PRACTITIONER | 27 | 30 | $27,300 | $910 | premium | 13.3% | (316) 686-5300 |
| 86 | PROVIDENCE MEDICAL FOUNDATION | FULLERTON | CA | PHYSICIAN ASSISTANT | 1455 | 29 | $38,465 | $1,326 | premium | 4.8% | (714) 871-3006 |
| 87 | TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK | NEW YORK | NY | NURSE PRACTITIONER | 2273 | 29 | $84,100 | $2,900 | premium | 5.9% | (212) 305-8559 |
| 88 | MIDWEST HEART AND VASCULAR SPECIALISTS LLC | OVERLAND PARK | KS | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 81 | 29 | $44,127 | $1,522 | premium | 12.9% | (816) 523-7088 |
| 89 | MCLEOD REGIONAL MEDICAL CENTER OF THE PEE DEE INC | FLORENCE | SC | NURSE PRACTITIONER | 409 | 29 | $35,229 | $1,215 | premium | 4.4% | (843) 777-2000 |
| 90 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 29 | $61,768 | $2,130 | premium | 4.1% | — |
| 91 | UMASS MEMORIAL MEDICAL GROUP INC | WORCESTER | MA | PHYSICIAN ASSISTANT | 2483 | 29 | $56,521 | $1,949 | premium | 13.2% | (508) 334-1000 |
| 92 | HEART AND RHYTHM ASSOCIATES, PLLC | PANAMA CITY | FL | CARDIAC ELECTROPHYSIOLOGY | 2 | 28 | $27,384 | $978 | premium | 2.9% | (850) 763-8776 |
| 93 | ST CHARLES HEALTH SYSTEM INC | BEND | OR | PHYSICIAN ASSISTANT | 373 | 28 | $48,384 | $1,728 | premium | 28.0% | (541) 706-7715 |
| 94 | HEART CARE SPECIALISTS LLC | SAINT LOUIS | MO | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 16 | 28 | $27,216 | $972 | premium | 7.2% | (314) 729-0088 |
| 95 | HUDSON VALLEY CARDIOVASCULAR PRACTICE PC | POUGHKEEPSIE | NY | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 72 | 28 | $51,380 | $1,835 | premium | 5.7% | (845) 473-1188 |
| 96 | COMMUNITY MEDICAL ASSOCIATES INC | LOUISVILLE | KY | NURSE PRACTITIONER | 1377 | 27 | $41,229 | $1,527 | premium | 18.8% | (502) 937-2209 |
| 97 | CARDIOLOGY ASSOCIATES OF MOBILE INC | MOBILE | AL | PHYSICIAN ASSISTANT | 52 | 27 | $23,625 | $875 | premium | 36.0% | (251) 460-0078 |
| 98 | ST LUKES CLINIC-TREASURE VALLEY LLC | BOISE | ID | PHYSICIAN ASSISTANT | 1159 | 27 | $29,694 | $1,100 | premium | 29.7% | (208) 381-4210 |
| 99 | W. A. FOOTE MEMORIAL HOSPITAL, INC. | JACKSON | MI | NURSE PRACTITIONER | 475 | 27 | $43,740 | $1,620 | premium | 8.9% | (517) 205-1594 |
| 100 | ADVOCATE HEALTH AND HOSPITALS CORPORATION | BUFFALO GROVE | IL | NURSE PRACTITIONER | 3045 | 26 | $40,216 | $1,547 | premium | 3.7% | (847) 459-1160 |
Showing the top 100 of 283 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 →