31575 — Diagnostic exam of voice box using a flexible endoscope
389,487 observed fee-for-service (50%) · ~395,987 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; 2 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 | 31575 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | ENT AND ALLERGY ASSOCIATES LLP | YONKERS | NY | OTOLARYNGOLOGY | 429 | 11,468 | $3,325,720 | $290 | premium | 24.3% | (914) 963-8588 |
| 2 | ENT AND ALLERGY ASSOCIATES OF FLORIDA, LLC | BOCA RATON | FL | OTOLARYNGOLOGY | 231 | 9,291 | $2,422,625 | $261 | premium | 18.0% | (561) 391-3333 |
| 3 | FLORIDA ENT ASSOCIATES INC | MIAMI | FL | OTOLARYNGOLOGY | 161 | 6,353 | $1,846,977 | $291 | premium | 12.3% | (305) 595-6200 |
| 4 | ENT AND ALLERGY ASSOCIATES LLP | YONKERS | NJ | OTOLARYNGOLOGY | 429 | 6,109 | $1,766,616 | $289 | premium | 30.1% | (914) 963-8588 |
| 5 | MASSACHUSETTS EYE AND EAR ASSOCIATES, INC | BOSTON | MA | OPHTHALMOLOGY | 406 | 3,555 | $1,710,101 | $481 | premium | 18.3% | (617) 523-7900 |
| 6 | MIDWEST ENT ALLIANCE PLLC | PARK RIDGE | IL | OTOLARYNGOLOGY | 95 | 3,339 | $1,071,772 | $321 | premium | 17.8% | (847) 674-5585 |
| 7 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | NY | PHYSICIAN ASSISTANT | 6294 | 3,060 | $3,168,147 | $1,035 | premium | 6.5% | — |
| 8 | TEXAS EAR, NOSE AND THROAT SPECIALISTS, PLLC | HOUSTON | TX | OTOLARYNGOLOGY | 122 | 2,629 | $726,934 | $277 | premium | 9.3% | (281) 492-7827 |
| 9 | CHARLESTON ENT ASSOCIATES, LLC | CHARLESTON | SC | OTOLARYNGOLOGY | 76 | 2,464 | $1,022,560 | $415 | premium | 20.4% | (843) 766-7103 |
| 10 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 2,396 | $1,254,821 | $524 | premium | 5.1% | (415) 600-1020 |
| 11 | NORTH FLORIDA SURGEONS PA | JACKSONVILLE | FL | PHYSICIAN ASSISTANT | 331 | 2,301 | $794,120 | $345 | premium | 4.4% | (904) 396-1725 |
| 12 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 2,283 | $2,729,163 | $1,195 | premium | 4.8% | (212) 263-9700 |
| 13 | UNIVERSITY OF PENN - MEDICAL GROUP | PHILADELPHIA | PA | PHYSICIAN ASSISTANT | 3505 | 2,275 | $901,296 | $396 | premium | 7.7% | (215) 662-2777 |
| 14 | BASS MEDICAL GROUP | WALNUT CREEK | CA | OTOLARYNGOLOGY | 318 | 2,237 | $917,923 | $410 | premium | 4.7% | — |
| 15 | DESERT EAR NOSE AND THROAT MEDICAL GROUP INC | RANCHO MIRAGE | CA | OTOLARYNGOLOGY | 8 | 2,180 | $478,264 | $219 | premium | 4.6% | (760) 340-4566 |
| 16 | CHARLOTTE EYE EAR NOSE AND THROAT ASSOCIATES PA | CHARLOTTE | NC | QUALIFIED AUDIOLOGIST | 158 | 2,115 | $687,267 | $325 | premium | 14.5% | (704) 295-3414 |
| 17 | WEILL MEDICAL COLLEGE OF CORNELL | NEW YORK | NY | INTERNAL MEDICINE | 2053 | 1,841 | $932,740 | $507 | premium | 3.9% | (212) 746-5454 |
| 18 | CLEVELAND CLINIC | CLEVELAND | OH | PHYSICIAN ASSISTANT | 6828 | 1,755 | $698,412 | $398 | premium | 11.5% | — |
| 19 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 1,655 | $830,182 | $502 | premium | 3.5% | (916) 681-8852 |
| 20 | LEHIGH VALLEY PHYSICIAN GROUP | ALLENTOWN | PA | PHYSICIAN ASSISTANT | 2389 | 1,524 | $678,005 | $445 | premium | 5.2% | — |
| 21 | STANFORD HEALTH CARE | STANFORD | CA | DIAGNOSTIC RADIOLOGY | 3039 | 1,493 | $601,605 | $403 | premium | 3.2% | (650) 723-4000 |
| 22 | CENTERS FOR ADVANCED ENT CARE LLC | BETHESDA | MD | QUALIFIED AUDIOLOGIST | 102 | 1,430 | $387,740 | $271 | premium | 11.1% | (301) 652-8847 |
| 23 | WELLSTAR MEDICAL GROUP LLC | MARIETTA | GA | NURSE PRACTITIONER | 3060 | 1,426 | $535,222 | $375 | premium | 9.3% | (770) 422-2004 |
| 24 | OPTUM MEDICAL CARE PC | MOUNT KISCO | NY | INTERNAL MEDICINE | 1040 | 1,425 | $483,818 | $340 | premium | 3.0% | (914) 241-1050 |
| 25 | UNIVERSITY OF VIRGINIA PHYSICIANS GROUP | CHARLOTTESVILLE | VA | NURSE PRACTITIONER | 1704 | 1,414 | $459,550 | $325 | premium | 9.3% | (434) 924-5959 |
| 26 | PHYSICIANS REFERRAL SERVICE | HOUSTON | TX | NURSE PRACTITIONER | 2696 | 1,335 | $1,006,961 | $754 | premium | 4.7% | (713) 592-5433 |
| 27 | JOHNS HOPKINS REGIONAL PHYSICIANS LLC | LUTHERVILLE | MD | OTOLARYNGOLOGY | 80 | 1,335 | $645,371 | $483 | premium | 10.4% | (443) 275-1337 |
| 28 | ADVANCED DIAGNOSTIC IMAGING PC | NASHVILLE | TN | NURSE PRACTITIONER | 534 | 1,334 | $677,969 | $508 | premium | 12.3% | (615) 612-2146 |
| 29 | VIRGINIA EAR NOSE AND THROAT ASSOCIATES PC | NORTH CHESTERFIELD | VA | OTOLARYNGOLOGY | 33 | 1,319 | $317,879 | $241 | premium | 8.7% | (804) 484-3700 |
| 30 | CLINICAL HEALTH CARE ASSOCIATES OF NEW JERSEY PC | CHERRY HILL | NJ | DIAGNOSTIC RADIOLOGY | 825 | 1,314 | $487,449 | $371 | premium | 6.5% | (856) 433-2535 |
| 31 | MAYO CLINIC ARIZONA | PHOENIX | AZ | PHYSICIAN ASSISTANT | 1635 | 1,309 | $716,100 | $547 | premium | 13.9% | (800) 603-0558 |
| 32 | VANDERBILT UNIVERSITY MEDICAL CENTER | NASHVILLE | TN | NURSE PRACTITIONER | 3394 | 1,304 | $621,481 | $477 | premium | 12.1% | (615) 322-5000 |
| 33 | ENDEAVOR HEALTH MEDICAL GROUP | EVANSTON | IL | NURSE PRACTITIONER | 3380 | 1,300 | $305,204 | $235 | premium | 6.9% | — |
| 34 | WELLSPAN MEDICAL GROUP | YORK | PA | PHYSICIAN ASSISTANT | 2312 | 1,243 | $264,467 | $213 | premium | 4.2% | — |
| 35 | HAMPTON ROADS OTOLARYNGOLOGY ASSOCIATES PLLC | HAMPTON | VA | PHYSICIAN ASSISTANT | 23 | 1,234 | $311,261 | $252 | premium | 8.1% | (757) 825-2500 |
| 36 | ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI | NEW YORK | NY | PHYSICIAN ASSISTANT | 2818 | 1,190 | $654,500 | $550 | premium | 2.5% | (212) 241-4812 |
| 37 | WEST COAST EAR, NOSE AND THROAT, INC | CLEARWATER | FL | OTOLARYNGOLOGY | 22 | 1,173 | $302,986 | $258 | premium | 2.3% | (727) 791-1368 |
| 38 | GEISINGER CLINIC | DANVILLE | PA | PHYSICIAN ASSISTANT | 3426 | 1,171 | $352,346 | $301 | premium | 4.0% | (570) 271-6144 |
| 39 | UNIVERSITY OF MIAMI | MIAMI | FL | NURSE PRACTITIONER | 2331 | 1,130 | $352,560 | $312 | premium | 2.2% | (305) 689-5437 |
| 40 | PRECISION HEALTHCARE SPECIALISTS, LLC | FORT MYERS | FL | PHYSICIAN ASSISTANT | 100 | 1,118 | $292,017 | $261 | premium | 2.2% | (239) 291-6970 |
| 41 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 1,118 | $683,098 | $611 | premium | 5.9% | — |
| 42 | WATSON CLINIC LLP | LAKELAND | FL | NURSE PRACTITIONER | 363 | 1,115 | $318,890 | $286 | premium | 2.2% | (863) 680-7780 |
| 43 | UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL CENTER AT DALLAS | DALLAS | TX | PHYSICIAN ASSISTANT | 3200 | 1,103 | $532,749 | $483 | premium | 3.9% | (214) 633-5555 |
| 44 | UNIVERSITY OTOLARYNGOLOGISTS INC | COLUMBUS | OH | OTOLARYNGOLOGY | 58 | 1,102 | $218,724 | $198 | premium | 7.2% | (614) 538-2424 |
| 45 | SUMMIT MEDICAL GROUP PA | BERKELEY HEIGHTS | NJ | PHYSICIAN ASSISTANT | 1183 | 1,092 | $573,300 | $525 | premium | 5.4% | (908) 273-4300 |
| 46 | SCRIPPS HEALTH | LA JOLLA | CA | PHYSICIAN ASSISTANT | 1431 | 1,091 | $566,327 | $519 | premium | 2.3% | (858) 455-9100 |
| 47 | MAYO CLINIC | ROCHESTER | MN | NURSE PRACTITIONER | 4896 | 1,083 | $677,250 | $625 | premium | 17.0% | (507) 284-2511 |
| 48 | ALBANY ENT AND ALLERGY SERVICES PC | ALBANY | NY | PHYSICIAN ASSISTANT | 48 | 1,078 | $377,300 | $350 | premium | 2.3% | (518) 701-2000 |
| 49 | PINNACLE ENT ALLIANCE LLC | HAVERTOWN | PA | QUALIFIED AUDIOLOGIST | 67 | 1,049 | $266,676 | $254 | premium | 3.6% | 6104466900230 |
| 50 | HACKENSACK MERIDIAN HEALTH MEDICAL GROUP - SPECIALTY CARE PC | NEPTUNE | NJ | NURSE PRACTITIONER | 1878 | 1,009 | $430,650 | $427 | premium | 5.0% | (732) 362-3663 |
| 51 | DUPAGE MEDICAL GROUP LTD | GLEN ELLYN | IL | PHYSICIAN ASSISTANT | 1323 | 1,009 | $494,410 | $490 | premium | 5.4% | (630) 469-9200 |
| 52 | ANNAPOLIS ENT SURGICAL CENTER LLC | ANNAPOLIS | MD | QUALIFIED AUDIOLOGIST | 45 | 993 | $268,110 | $270 | premium | 7.7% | (410) 266-3900 |
| 53 | LOUISIANA EAR, NOSE, AND THROAT SPECIALISTS, INC. | THIBODAUX | LA | OTOLARYNGOLOGY | 65 | 977 | $350,219 | $358 | premium | 14.6% | 9854465079110 |
| 54 | HEAD AND NECK ASSOCIATES OF ORANGE COUNTY AN INCORPRATE | MISSION VIEJO | CA | OTOLARYNGOLOGY | 16 | 957 | $287,100 | $300 | premium | 2.0% | (949) 364-4361 |
| 55 | WASHINGTON UNIVERSITY | SAINT LOUIS | MO | NURSE PRACTITIONER | 3070 | 953 | $454,508 | $477 | premium | 11.2% | (314) 747-3000 |
| 56 | JEFFERSON UNIVERSITY PHYSICIANS | PHILADELPHIA | PA | DIAGNOSTIC RADIOLOGY | 1570 | 931 | $302,575 | $325 | premium | 3.2% | — |
| 57 | VALLEY ENT PC | SCOTTSDALE | AZ | OTOLARYNGOLOGY | 71 | 929 | $236,956 | $255 | premium | 9.9% | (480) 847-1193 |
| 58 | ENT ASSOCIATES OF ALABAMA PC | BIRMINGHAM | AL | OTOLARYNGOLOGY | 43 | 918 | $190,153 | $207 | premium | 13.4% | (205) 212-3540 |
| 59 | MAYO CLINIC JACKSONVILLE | JACKSONVILLE | FL | NURSE PRACTITIONER | 1587 | 908 | $536,679 | $591 | premium | 1.8% | (904) 953-2000 |
| 60 | SCOTT AND WHITE CLINIC | TEMPLE | TX | PHYSICIAN ASSISTANT | 2435 | 902 | $305,596 | $339 | premium | 3.2% | (254) 724-2663 |
| 61 | MASSACHUSETTS ENT ASSOCIATES INC | CHELMSFORD | MA | OTOLARYNGOLOGY | 19 | 900 | $504,466 | $561 | premium | 4.6% | (978) 256-5557 |
| 62 | ALPINE EAR NOSE AND THROAT PC | FORT COLLINS | CO | OTOLARYNGOLOGY | 26 | 883 | $351,434 | $398 | premium | 11.9% | (970) 221-1177 |
| 63 | ENT SPECIALISTS, INC | BROCKTON | MA | OTOLARYNGOLOGY | 19 | 883 | $463,575 | $525 | premium | 4.6% | (508) 588-8034 |
| 64 | UMASS MEMORIAL MEDICAL GROUP INC | WORCESTER | MA | PHYSICIAN ASSISTANT | 2483 | 881 | $446,272 | $507 | premium | 4.5% | (508) 334-1000 |
| 65 | UNIVERSITY HEAD AND NECK SURGEONS | ORANGE | CA | OTOLARYNGOLOGY | 27 | 861 | $364,253 | $423 | premium | 1.8% | (714) 456-5731 |
| 66 | EAR NOSE AND THROAT SURGEONS OF WESTERN NEW ENGLAND LLC | SPRINGFIELD | MA | OTOLARYNGOLOGY | 17 | 860 | $301,285 | $350 | premium | 4.4% | (413) 233-2052 |
| 67 | SACRAMENTO EAR NOSE AND THROAT SURGICAL AND MEDICAL GROUP INC | SACRAMENTO | CA | OTOLARYNGOLOGY | 34 | 857 | $324,963 | $379 | premium | 1.8% | (916) 736-3399 |
| 68 | CEDARS-SINAI MEDICAL CARE FOUNDATION | LOS ANGELES | CA | PHYSICIAN ASSISTANT | 1699 | 846 | $425,525 | $503 | premium | 1.8% | (310) 423-0674 |
| 69 | DUKE HEALTH INTEGRATED PRACTICE INC | DURHAM | NC | PHYSICIAN ASSISTANT | 3051 | 829 | $320,643 | $387 | premium | 5.7% | (919) 684-8111 |
| 70 | H LEE MOFFITT CANCER CTR AND RES INST LIFE TIME CANCER SCRN CTR INC | TAMPA | FL | PHYSICIAN ASSISTANT | 1103 | 816 | $295,866 | $363 | premium | 1.6% | (813) 745-4673 |
| 71 | CENTRAL COAST HEAD AND NECK SURGEONS A M C INC | SALINAS | CA | OTOLARYNGOLOGY | 14 | 806 | $394,134 | $489 | premium | 1.7% | (408) 422-8798 |
| 72 | REGENTS OF THE UNIVERSITY OF MICHIGAN | ANN ARBOR | MI | INTERNAL MEDICINE | 3330 | 802 | $250,456 | $312 | premium | 6.6% | (734) 763-5459 |
| 73 | AUGUSTA ENT PC | EVANS | GA | OTOLARYNGOLOGY | 31 | 797 | $272,632 | $342 | premium | 5.2% | (706) 868-5676 |
| 74 | WILMINGTON EAR NOSE AND THROAT ASSOC PA | WILMINGTON | NC | OTOLARYNGOLOGY | 10 | 791 | $237,968 | $301 | premium | 5.4% | 9107628754124 |
| 75 | ASHEVILLE EAR NOSE AND THROAT SURGEONS, PA | ASHEVILLE | NC | OTOLARYNGOLOGY | 17 | 786 | $275,100 | $350 | premium | 5.4% | (828) 254-3517 |
| 76 | RUSH UNIVERSITY MEDICAL GROUP | CHICAGO | IL | PHYSICIAN ASSISTANT | 1496 | 777 | $286,391 | $369 | premium | 4.1% | (312) 563-2875 |
| 77 | STATE UNIVERSITY OF IOWA | IOWA CITY | IA | PHYSICIAN ASSISTANT | 1902 | 776 | $492,811 | $635 | premium | 13.5% | (319) 678-8201 |
| 78 | LAHEY CLINIC INC | BURLINGTON | MA | NURSE PRACTITIONER | 1400 | 772 | $401,201 | $520 | premium | 4.0% | — |
| 79 | KANSAS UNIVERSITY PHYSICIANS INC | KANSAS CITY | KS | NURSE PRACTITIONER | 1815 | 771 | $376,794 | $489 | premium | 17.6% | (913) 588-1227 |
| 80 | PROLIANCE SURGEONS INC P S | ISSAQUAH | WA | PHYSICIAN ASSISTANT | 395 | 765 | $286,379 | $374 | premium | 9.1% | (425) 313-5422 |
| 81 | COASTAL CAROLINA OTOLARYNGOLOGY ASSOCIATES, PA | MYRTLE BEACH | SC | OTOLARYNGOLOGY | 7 | 755 | $113,833 | $151 | premium | 6.3% | (843) 449-6449 |
| 82 | RIVERVIEW ENT CENTER OF CENTRAL OHIO | LANCASTER | OH | OTOLARYNGOLOGY | 2 | 752 | $139,120 | $185 | premium | 4.9% | (740) 681-8300 |
| 83 | UNIVERSITY MEDICAL ASSOCIATES OF THE MEDICAL UNIVERSITY OF SOUTH CAROL | CHARLESTON | SC | PHYSICIAN ASSISTANT | 1692 | 750 | $377,754 | $504 | premium | 6.2% | (843) 792-1414 |
| 84 | PRIVIA MEDICAL GROUP, LLC | ARLINGTON | VA | NURSE PRACTITIONER | 1477 | 749 | $250,166 | $334 | premium | 4.9% | — |
| 85 | PROVIDENCE EAR NOSE AND THROAT ASSOCIATES INC | CHESTER | PA | OTOLARYNGOLOGY | 13 | 745 | $298,000 | $400 | premium | 2.5% | (610) 874-5366 |
| 86 | ATRIUS HEALTH INC | BOSTON | MA | NURSE PRACTITIONER | 1196 | 743 | $281,597 | $379 | premium | 3.8% | (617) 421-1000 |
| 87 | COASTAL EAR NOSE AND THROAT LLC | NEPTUNE | NJ | OTOLARYNGOLOGY | 19 | 730 | $205,951 | $282 | premium | 3.6% | (732) 280-7855 |
| 88 | EAR NOSE AND THROAT AND FACIAL PLASTIC SURGERY CENTER OF FREDERICK | FREDERICKSBURG | VA | OTOLARYNGOLOGY | 11 | 728 | $214,760 | $295 | premium | 4.8% | (540) 371-1226 |
| 89 | EAR NOSE AND THROAT ASSOCIATES OF CHESTER COUNTY | EXTON | PA | QUALIFIED AUDIOLOGIST | 16 | 724 | $182,448 | $252 | premium | 2.5% | (610) 363-2532 |
| 90 | LENOX HILL HOSPITAL MEDICAL PC | NEW YORK | NY | OTOLARYNGOLOGY | 30 | 723 | $753,768 | $1,043 | premium | 1.5% | (212) 434-4500 |
| 91 | CHESAPEAKE EAR NOSE AND THROAT ASSOCIATES PC | CHESAPEAKE | VA | OTOLARYNGOLOGY | 18 | 714 | $188,979 | $265 | premium | 4.7% | (757) 547-9714 |
| 92 | OSU OTOLARYNGOLOGY HEAD AND NECK SURGERY LLC | COLUMBUS | OH | OTOLARYNGOLOGY | 67 | 711 | $222,825 | $313 | premium | 4.6% | (614) 366-3687 |
| 93 | LEXINGTON HEALTH INC | WEST COLUMBIA | SC | NURSE PRACTITIONER | 909 | 708 | $263,932 | $373 | premium | 5.9% | (803) 744-4900 |
| 94 | COLORADO OTOLARYNGOLOGY ASSOCIATES, LLC | COLORADO SPRINGS | CO | OTOLARYNGOLOGY | 20 | 708 | $227,976 | $322 | premium | 9.6% | (719) 867-7800 |
| 95 | UNIVERSITY OF ALABAMA HEALTH SERVICES FOUNDATION, PC | BIRMINGHAM | AL | NURSE PRACTITIONER | 2788 | 704 | $357,157 | $507 | premium | 10.3% | (205) 934-3460 |
| 96 | MCV ASSOCIATED PHYSICIANS | RICHMOND | VA | NURSE PRACTITIONER | 1791 | 699 | $350,031 | $501 | premium | 4.6% | (804) 828-9000 |
| 97 | ADVOCARE, LLC | HADDONFIELD | NJ | NURSE PRACTITIONER | 384 | 696 | $304,152 | $437 | premium | 3.4% | (856) 354-2211 |
| 98 | POUDRE VALLEY MEDICAL GROUP LLC | COLORADO SPRINGS | CO | PHYSICIAN ASSISTANT | 2390 | 688 | $200,109 | $291 | premium | 9.3% | — |
| 99 | REGENTS OF THE UNIV OF CA | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 1608 | 688 | $332,304 | $483 | premium | 1.5% | (877) 827-7463 |
| 100 | NEW ENGLAND EAR NOSE AND THROAT/FACIAL PLASTIC SURGERY PC | NORTH ANDOVER | MA | OTOLARYNGOLOGY | 17 | 687 | $329,760 | $480 | premium | 3.5% | (978) 685-7550 |
Showing the top 100 of 1,496 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 →