205,873 observed fee-for-service (50%) · ~207,878 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; 1 state 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 payer split, and this market total scaled to all of Medicare, labeled as an estimate.
Or just look at it: nuclear heart imaging (78452) in Arizona is open as a live example — the full paid view, real data.
View the live example →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 activate to sort | City activate to sort | St activate to sort | Specialty activate to sort | Providers activate to sort | 20600 svcs sorted descending — activate to reverse | Submitted charges activate to sort | Avg charge activate to sort | Medicare $ locked column | Share* activate to sort | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | LIVINGSTON FOOT CARE SPECIALISTS, P.C. | NORTH BELLMORE | NY | PODIATRY | 8 | 1,992 | $271,797 | $136 | premium | 9.2% | (516) 826-0103 |
| 2 | ILLINOIS BONE AND JOINT INSTITUTE, LLC | BANNOCKBURN | IL | ORTHOPEDIC SURGERY | 595 | 1,982 | $470,183 | $237 | premium | 18.8% | — |
| 3 | ORTHOPEDIC SPECIALISTS OF NORTH AMERICA PLLC | SCOTTSDALE | AZ | ORTHOPEDIC SURGERY | 308 | 1,587 | $258,570 | $163 | premium | 13.8% | (602) 385-2115 |
| 4 | SOUTHERN CALIFORNIA FOOT AND ANKLE MEDICAL CENTER | LA PALMA | CA | PODIATRY | 2 | 1,401 | $208,350 | $149 | premium | 5.5% | (714) 735-8588 |
| 5 | TEXAS HEALTH CARE PLLC | FORT WORTH | TX | NURSE PRACTITIONER | 364 | 1,331 | $292,576 | $220 | premium | 7.1% | (817) 920-0484 |
| 6 | SCRIPPS HEALTH | LA JOLLA | CA | PHYSICIAN ASSISTANT | 1431 | 1,279 | $299,505 | $234 | premium | 5.0% | (858) 455-9100 |
| 7 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 1,133 | $226,029 | $199 | premium | 4.4% | (415) 600-1020 |
| 8 | FIRST STATE ORTHOPAEDICS PA | NEWARK | DE | PHYSICIAN ASSISTANT | 98 | 1,116 | $260,496 | $233 | premium | 46.2% | (302) 731-2888 |
| 9 | TENNESSEE ORTHOPAEDIC ALLIANCE PA | NASHVILLE | TN | PHYSICIAN ASSISTANT | 352 | 1,104 | $252,872 | $229 | premium | 16.7% | (615) 329-6600 |
| 10 | ORTHONJ LLC | MANASQUAN | NJ | PHYSICIAN ASSISTANT | 300 | 1,076 | $333,659 | $310 | premium | 11.0% | (732) 974-0404 |
| 11 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 1,032 | $1,110,670 | $1,076 | premium | 4.7% | (212) 263-9700 |
| 12 | SIGNATURE MEDICAL GROUP OF KC PA | OVERLAND PARK | KS | PHYSICIAN ASSISTANT | 25 | 997 | $303,802 | $305 | premium | 27.3% | (913) 498-6000 |
| 13 | PRISMA HEALTH UNIVERSITY MEDICAL GROUP | GREENVILLE | SC | NURSE PRACTITIONER | 2447 | 989 | $134,594 | $136 | premium | 10.8% | — |
| 14 | ORTHOSC LLC | MYRTLE BEACH | SC | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 113 | 973 | $125,305 | $129 | premium | 10.7% | (843) 491-4937 |
| 15 | TUCSON ORTHOPAEDIC INSTITUTE PROFESSIONAL CORPORATION | TUCSON | AZ | PHYSICIAN ASSISTANT | 111 | 972 | $158,670 | $163 | premium | 8.4% | (520) 382-8200 |
| 16 | SOUTH FLORIDA ORTHOPAEDICS AND SPORTS MEDICINE, PA | STUART | FL | PHYSICIAN ASSISTANT | 71 | 970 | $198,463 | $205 | premium | 2.6% | — |
| 17 | KENTUCKYONE HEALTH MEDICAL GROUP INC | LEXINGTON | KY | PHYSICIAN ASSISTANT | 245 | 957 | $162,361 | $170 | premium | 16.2% | (859) 276-4429 |
| 18 | INFINITE HEALTH COLLABORATIVE, PA | MINNEAPOLIS | MN | PHYSICIAN ASSISTANT | 813 | 941 | $196,434 | $209 | premium | 29.4% | (612) 863-6960 |
| 19 | CENTERS FOR ADVANCED ORTHOPAEDICS LLC | OLNEY | MD | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 596 | 915 | $182,068 | $199 | premium | 16.4% | (301) 774-0500 |
| 20 | SUMMIT MEDICAL GROUP PA | BERKELEY HEIGHTS | NJ | PHYSICIAN ASSISTANT | 1183 | 911 | $177,817 | $195 | premium | 9.3% | (908) 273-4300 |
| 21 | EMERGEORTHO PA | DURHAM | NC | PHYSICIAN ASSISTANT | 725 | 909 | $190,516 | $210 | premium | 8.5% | (919) 544-7270 |
| 22 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | NY | PHYSICIAN ASSISTANT | 6294 | 904 | $371,290 | $411 | premium | 4.2% | — |
| 23 | MACON ORTHOPAEDIC AND HAND CENTER, PA | MACON | GA | NURSE PRACTITIONER | 87 | 903 | $196,305 | $217 | premium | 9.1% | (478) 745-4206 |
| 24 | TALLAHASSEE ORTHOPEDIC CLINIC III PL | TALLAHASSEE | FL | PHYSICIAN ASSISTANT | 542 | 851 | $248,284 | $292 | premium | 2.3% | (850) 877-8174 |
| 25 | CENTER FOR ORTHOPEDIC RESEARCH AND EDUCATION LLC | SUN CITY | AZ | PHYSICIAN ASSISTANT | 254 | 849 | $118,821 | $140 | premium | 7.4% | (866) 974-2673 |
| 26 | ORTHOPEDIC CENTERS OF COLORADO LLC | AURORA | CO | PHYSICIAN ASSISTANT | 323 | 837 | $211,390 | $253 | premium | 15.1% | (303) 695-6060 |
| 27 | ORTHOLONESTAR PLLC | DALLAS | TX | PHYSICIAN ASSISTANT | 407 | 830 | $163,378 | $197 | premium | 4.4% | (214) 220-2468 |
| 28 | PREMIER ORTHOPAEDIC AND SPORTS MEDICINE ASSOCIATES, LTD | BROOMALL | PA | ORTHOPEDIC SURGERY | 216 | 825 | $154,160 | $187 | premium | 5.3% | (610) 353-0800 |
| 29 | CENTEROCK PODIATRY ASSOCIATES, PC | WEST NYACK | NY | PODIATRY | 5 | 825 | $152,400 | $185 | premium | 3.8% | (845) 358-2844 |
| 30 | ORTHOCAROLINA | CHARLOTTE | NC | PHYSICIAN ASSISTANT | 304 | 809 | $170,493 | $211 | premium | 7.5% | (704) 323-2100 |
| 31 | SOUTHEAST ORTHOPEDIC SPECIALISTS LLC | JACKSONVILLE | FL | PHYSICIAN ASSISTANT | 143 | 802 | $133,947 | $167 | premium | 2.2% | (904) 634-0640 |
| 32 | DES MOINES ORTHOPAEDIC SURGEONS PC | WEST DES MOINES | IA | PHYSICIAN ASSISTANT | 104 | 799 | $160,215 | $201 | premium | 20.4% | (515) 343-1000 |
| 33 | OPTUM MEDICAL CARE PC | MOUNT KISCO | NY | INTERNAL MEDICINE | 1040 | 796 | $120,630 | $152 | premium | 3.7% | (914) 241-1050 |
| 34 | ROPER SAINT FRANCIS PHYSICIANS NETWORK | CHARLESTON | SC | PHYSICIAN ASSISTANT | 539 | 778 | $145,330 | $187 | premium | 8.5% | (843) 720-8448 |
| 35 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 776 | $147,160 | $190 | premium | 3.0% | (916) 681-8852 |
| 36 | MERCY CLINIC SPRINGFIELD COMMUNITIES | SPRINGFIELD | MO | PHYSICIAN ASSISTANT | 1128 | 773 | $120,730 | $156 | premium | 11.2% | — |
| 37 | NORTHEAST ORTHOPAEDIC ALLIANCE PLLC | CONCORD | NH | PHYSICIAN ASSISTANT | 268 | 755 | $225,107 | $298 | premium | 43.9% | (603) 883-0091 |
| 38 | BLACKSTONE HAND CENTER, LLC | MELBOURNE | FL | PHYSICIAN ASSISTANT | 4 | 753 | $156,680 | $208 | premium | 2.0% | (321) 500-4263 |
| 39 | BEACON ORTHOPAEDICS AND SPORTS MEDICINE LTD | CINCINNATI | OH | PHYSICIAN ASSISTANT | 468 | 720 | $117,571 | $163 | premium | 6.9% | (513) 354-3700 |
| 40 | TUCSON PHYSICIAN GROUP HOLDINGS LLC | TUCSON | AZ | INTERNAL MEDICINE | 200 | 719 | $108,729 | $151 | premium | 6.2% | (520) 396-1360 |
| 41 | SENTARA MEDICAL GROUP | NORFOLK | VA | PHYSICIAN ASSISTANT | 1404 | 712 | $67,757 | $95 | premium | 7.5% | — |
| 42 | ORTHOVIRGINIA INC | NORTH CHESTERFIELD | VA | PHYSICIAN ASSISTANT | 567 | 684 | $115,168 | $168 | premium | 7.2% | — |
| 43 | PALM BEACH ORTHOPAEDIC INSTITUTE PA | PALM BEACH GARDENS | FL | ORTHOPEDIC SURGERY | 38 | 683 | $210,195 | $308 | premium | 1.8% | (561) 694-7776 |
| 44 | COASTAL ORTHOPEDICS AND SPORTS MEDICINE OF SOUTHWEST FLORIDA PA | BRADENTON | FL | PHYSICIAN ASSISTANT | 62 | 682 | $67,518 | $99 | premium | 1.8% | (941) 792-1404 |
| 45 | UNIVERSITY OF VIRGINIA PHYSICIANS GROUP | CHARLOTTESVILLE | VA | NURSE PRACTITIONER | 1704 | 676 | $107,730 | $159 | premium | 7.1% | (434) 924-5959 |
| 46 | NORTHEAST ORTHOPAEDIC ALLIANCE PLLC | CONCORD | MA | PHYSICIAN ASSISTANT | 268 | 675 | $160,784 | $238 | premium | 7.6% | (603) 883-0091 |
| 47 | YOUNGSTOWN ORTHOPAEDIC ASSOCIATES LTD | CANFIELD | OH | PHYSICIAN ASSISTANT | 36 | 661 | $70,191 | $106 | premium | 6.3% | (330) 758-0577 |
| 48 | ORTHOARKANSAS PA | LITTLE ROCK | AR | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 145 | 644 | $115,784 | $180 | premium | 18.9% | (501) 500-3500 |
| 49 | SIMEDHEALTH LLC | GAINESVILLE | FL | NURSE PRACTITIONER | 91 | 632 | $57,060 | $90 | premium | 1.7% | (352) 416-1082 |
| 50 | ENDEAVOR HEALTH MEDICAL GROUP | EVANSTON | IL | NURSE PRACTITIONER | 3380 | 624 | $106,055 | $170 | premium | 5.9% | — |
| 51 | CLEVELAND CLINIC | CLEVELAND | OH | PHYSICIAN ASSISTANT | 6828 | 619 | $216,089 | $349 | premium | 5.9% | — |
| 52 | ORTHOPAEDIC SURGERY ASSOCIATES PA | BOYNTON BEACH | FL | ORTHOPEDIC SURGERY | 20 | 618 | $157,248 | $254 | premium | 1.7% | — |
| 53 | ORTHOPEDICSNY, LLP | ALBANY | NY | PHYSICIAN ASSISTANT | 112 | 590 | $65,995 | $112 | premium | 2.7% | (518) 489-2663 |
| 54 | LEHIGH VALLEY PHYSICIAN GROUP | ALLENTOWN | PA | PHYSICIAN ASSISTANT | 2389 | 589 | $98,655 | $167 | premium | 3.8% | — |
| 55 | SOUTHWEST SHOULDER ELBOW AND HAND CENTER PC | TUCSON | AZ | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 9 | 578 | $83,295 | $144 | premium | 5.0% | (520) 783-3344 |
| 56 | SEQUOIA INSTITUTE FOR SURGICAL SERVICES INC | VISALIA | CA | NURSE PRACTITIONER | 4 | 566 | $305,513 | $540 | premium | 2.2% | (559) 731-2009 |
| 57 | PROLIANCE SURGEONS INC P S | ISSAQUAH | WA | PHYSICIAN ASSISTANT | 395 | 553 | $87,903 | $159 | premium | 10.5% | (425) 313-5422 |
| 58 | CAMPBELL CLINIC, PC | GERMANTOWN | TN | ORTHOPEDIC SURGERY | 225 | 548 | $113,984 | $208 | premium | 8.3% | (901) 759-3100 |
| 59 | SCOTT AND WHITE CLINIC | TEMPLE | TX | PHYSICIAN ASSISTANT | 2435 | 548 | $83,444 | $152 | premium | 2.9% | (254) 724-2663 |
| 60 | CEDARS-SINAI MEDICAL CARE FOUNDATION | LOS ANGELES | CA | PHYSICIAN ASSISTANT | 1699 | 541 | $131,335 | $243 | premium | 2.1% | (310) 423-0674 |
| 61 | ORTHOMIDWEST, PLLC | CHICAGO | IL | PHYSICIAN ASSISTANT | 542 | 533 | $130,046 | $244 | premium | 5.1% | (877) 632-6637 |
| 62 | NORTHSTATE FOOT AND ANKLE SPECIALIST INC | CHICO | CA | PODIATRY | 7 | 524 | $57,145 | $109 | premium | 2.1% | (530) 891-3338 |
| 63 | VIRTUA MEDICAL GROUP, PA | VOORHEES | NJ | PHYSICIAN ASSISTANT | 1662 | 520 | $99,520 | $191 | premium | 5.3% | (856) 247-7260 |
| 64 | HAND SURGERY OF NORTHERN MICHIGAN PLC | TRAVERSE CITY | MI | OCCUPATIONAL THERAPIST IN PRIVATE PRACTICE | 9 | 520 | $72,800 | $140 | premium | 5.6% | (231) 935-0800 |
| 65 | DESERT ORTHOPEDIC CENTER A MEDICAL GROUP INC | RANCHO MIRAGE | CA | PHYSICIAN ASSISTANT | 50 | 507 | $73,167 | $144 | premium | 2.0% | (760) 340-3911 |
| 66 | SYRACUSE ORTHOPEDIC SPECIALISTS, PLLC | SYRACUSE | NY | PHYSICIAN ASSISTANT | 115 | 504 | $53,292 | $106 | premium | 2.3% | (315) 448-5111 |
| 67 | TIDEWATER ORTHOPAEDIC ASSOCIATES INC. | HAMPTON | VA | PHYSICIAN ASSISTANT | 27 | 504 | $88,970 | $177 | premium | 5.3% | (757) 827-2480 |
| 68 | COMMUNITY MEDICAL ASSOCIATES INC | LOUISVILLE | KY | NURSE PRACTITIONER | 1377 | 503 | $93,632 | $186 | premium | 8.5% | (502) 937-2209 |
| 69 | SEATTLE HAND SURGERY GROUP PC | SEATTLE | WA | OCCUPATIONAL THERAPIST IN PRIVATE PRACTICE | 13 | 503 | $83,160 | $165 | premium | 9.6% | (206) 292-6252 |
| 70 | DUPAGE MEDICAL GROUP LTD | GLEN ELLYN | IL | PHYSICIAN ASSISTANT | 1323 | 502 | $90,985 | $181 | premium | 4.8% | (630) 469-9200 |
| 71 | SOUTHWEST SHOULDER ELBOW AND HAND CENTER PC | TUCSON | PA | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 9 | 501 | $67,750 | $135 | premium | 3.2% | (520) 783-3344 |
| 72 | CHATTANOOGA ORTHOPAEDIC GROUP, PC | CHATTANOOGA | TN | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 72 | 501 | $78,156 | $156 | premium | 7.6% | (423) 624-2696 |
| 73 | UNIVERSITY ORTHOPAEDIC ASSOCIATES OF ROCHESTER | ROCHESTER | NY | PHYSICIAN ASSISTANT | 151 | 497 | $123,908 | $249 | premium | 2.3% | (585) 275-5321 |
| 74 | NEBRASKA ORTHOPAEDIC CENTER PC | LINCOLN | NE | PHYSICIAN ASSISTANT | 61 | 496 | $139,384 | $281 | premium | 20.2% | (402) 219-7700 |
| 75 | SOUTHERN OREGON ORTHOPEDICS INC | MEDFORD | OR | PHYSICIAN ASSISTANT | 61 | 495 | $102,598 | $207 | premium | 17.8% | (541) 779-6250 |
| 76 | FOOT HEALTHCARE ASSOCIATES, PC | NOVI | MI | PODIATRY | 8 | 487 | $71,240 | $146 | premium | 5.3% | (248) 258-0001 |
| 77 | ST VINCENT HOSPITAL | SANTA FE | NM | PHYSICIAN ASSISTANT | 313 | 485 | $51,662 | $107 | premium | 30.6% | — |
| 78 | HONORHEALTH AMBULATORY | SCOTTSDALE | AZ | PHYSICIAN ASSISTANT | 601 | 484 | $80,741 | $167 | premium | 4.2% | — |
| 79 | UNIVERSITY PRIMARY CARE PRACTICES INC | CONNEAUT | OH | FAMILY PRACTICE | 1067 | 484 | $56,800 | $117 | premium | 4.6% | — |
| 80 | CAROLINA ORTHOPAEDIC AND NEUROSURGICAL ASSOCIATES | SPARTANBURG | SC | PHYSICIAN ASSISTANT | 60 | 479 | $96,314 | $201 | premium | 5.2% | (864) 582-6396 |
| 81 | VANN-VIRGINIA CENTER FOR ORTHOPAEDICS PC | VIRGINIA BEACH | VA | PHYSICIAN ASSISTANT | 67 | 478 | $105,600 | $221 | premium | 5.0% | (757) 321-3300 |
| 82 | VENTURA ORTHOPEDICS MEDICAL GROUP INC | VENTURA | CA | PHYSICIAN ASSISTANT | 79 | 477 | $76,442 | $160 | premium | 1.9% | — |
| 83 | JEFFERSON CITY MEDICAL GROUP PC | JEFFERSON CITY | MO | NURSE PRACTITIONER | 115 | 475 | $66,240 | $139 | premium | 6.9% | (573) 556-5771 |
| 84 | ST LUKES PHYSICIAN GROUP INC | BETHLEHEM | PA | PHYSICIAN ASSISTANT | 2164 | 471 | $82,082 | $174 | premium | 3.0% | (484) 526-2400 |
| 85 | HEALTHTEXAS PROVIDER NETWORK | DALLAS | TX | PHYSICIAN ASSISTANT | 2482 | 464 | $114,290 | $246 | premium | 2.5% | — |
| 86 | SAINT FRANCIS MEDICAL CENTER | CAPE GIRARDEAU | MO | NURSE PRACTITIONER | 435 | 461 | $69,639 | $151 | premium | 6.7% | (573) 331-3000 |
| 87 | CENTRAL INDIANA ORTHOPEDICS LLC | MUNCIE | IN | ORTHOPEDIC SURGERY | 144 | 460 | $111,992 | $243 | premium | 9.9% | (765) 284-7738 |
| 88 | ORTHOPEDIC ONE, INC. | UPPER ARLINGTON | OH | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 280 | 459 | $120,825 | $263 | premium | 4.4% | (614) 827-8700 |
| 89 | ATRIUS HEALTH INC | BOSTON | MA | NURSE PRACTITIONER | 1196 | 454 | $71,786 | $158 | premium | 5.1% | (617) 421-1000 |
| 90 | RALEIGH ORTHOPAEDIC CLINIC PA | RALEIGH | NC | PHYSICIAN ASSISTANT | 127 | 453 | $62,186 | $137 | premium | 4.2% | (919) 781-5600 |
| 91 | GRANITE ORTHOPAEDICS PLLC | PRESCOTT | AZ | PHYSICIAN ASSISTANT | 12 | 448 | $49,756 | $111 | premium | 3.9% | (928) 777-9950 |
| 92 | ARTHRITIS AND RHEUMATOLOGY ASSOCIATES OF PALM BEACH INC | BOYNTON BEACH | FL | RHEUMATOLOGY | 7 | 448 | $37,184 | $83 | premium | 1.2% | (561) 439-1800 |
| 93 | PROMEDICA CENTRAL PHYSICIANS | TOLEDO | OH | PHYSICIAN ASSISTANT | 794 | 441 | $76,589 | $174 | premium | 4.2% | (419) 291-2003 |
| 94 | UT PHYSICIANS | HOUSTON | TX | NURSE PRACTITIONER | 1758 | 435 | $117,692 | $271 | premium | 2.3% | (713) 566-5000 |
| 95 | ORTHOPAEDIC AND NEUROSURGERY SPECIALISTS, PLLC | GREENWICH | NY | PHYSICIAN ASSISTANT | 259 | 431 | $136,942 | $318 | premium | 2.0% | (203) 869-1145 |
| 96 | GLENDALE FOOT AND ANKLE PODIATRY CENTER, INC. | GLENDALE | CA | PODIATRY | 2 | 420 | $52,500 | $125 | premium | 1.6% | (818) 242-4426 |
| 97 | ORTHOPAEDICS-INDIANAPOLIS, INC | INDIANAPOLIS | IN | ORTHOPEDIC SURGERY | 348 | 413 | $89,625 | $217 | premium | 8.8% | (317) 802-2000 |
| 98 | HAND AND MICROSURGERY ASSOCIATES, INC. | COLUMBUS | OH | HAND SURGERY | 6 | 412 | $58,092 | $141 | premium | 3.9% | (614) 262-4263 |
| 99 | MCLEOD PHYSICIAN ASSOCIATES II | FLORENCE | SC | PHYSICIAN ASSISTANT | 534 | 411 | $45,007 | $110 | premium | 4.5% | — |
| 100 | ORTHOCONNECTICUT PLLC | NEW MILFORD | CT | PHYSICIAN ASSISTANT | 54 | 411 | $80,216 | $195 | premium | 14.4% | (860) 355-8000 |
Showing the top 100 of 1,776 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 →