32408 — Core needle biopsy of lung or center cavity of chest (mediastinum), accessed through skin
12,013 observed fee-for-service (50%) · ~11,873 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 | 32408 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | PHYSICIANS REFERRAL SERVICE | HOUSTON | TX | NURSE PRACTITIONER | 2696 | 471 | $885,510 | $1,880 | premium | 25.3% | (713) 592-5433 |
| 2 | RADIOLOGY ASSOCIATES OF NORTH TEXAS PA | FORT WORTH | TX | DIAGNOSTIC RADIOLOGY | 340 | 351 | $216,328 | $616 | premium | 18.8% | (817) 321-0470 |
| 3 | MORI BEAN AND BROOKS INC | ORANGE PARK | FL | DIAGNOSTIC RADIOLOGY | 947 | 243 | $363,587 | $1,496 | premium | 13.3% | (904) 399-5550 |
| 4 | H LEE MOFFITT CANCER CTR AND RES INST LIFE TIME CANCER SCRN CTR INC | TAMPA | FL | PHYSICIAN ASSISTANT | 1103 | 198 | $109,784 | $554 | premium | 10.9% | (813) 745-4673 |
| 5 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 162 | $616,964 | $3,808 | premium | 6.6% | (916) 681-8852 |
| 6 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 158 | $644,943 | $4,082 | premium | 6.4% | (415) 600-1020 |
| 7 | MEDICAL CENTER RADIOLOGISTS INC | NORFOLK | VA | DIAGNOSTIC RADIOLOGY | 123 | 148 | $68,376 | $462 | premium | 13.9% | (757) 466-6870 |
| 8 | BRIGHAM AND WOMENS PHYSICIANS ORGANIZATION INC | BOSTON | MA | PHYSICIAN ASSISTANT | 2942 | 133 | $114,709 | $862 | premium | 17.9% | (617) 732-5500 |
| 9 | QUANTUM RADIOLOGY PC | MARIETTA | GA | DIAGNOSTIC RADIOLOGY | 104 | 129 | $125,646 | $974 | premium | 27.9% | (770) 732-4000 |
| 10 | UNIVERSITY HOSPITALS MEDICAL GROUP INC | CLEVELAND | OH | NURSE PRACTITIONER | 2232 | 125 | $1,283,430 | $10,267 | premium | 14.2% | — |
| 11 | ARKANSAS HEALTH GROUP | LITTLE ROCK | AR | CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) | 666 | 120 | $263,558 | $2,196 | premium | 19.5% | (501) 202-2093 |
| 12 | RIVERSIDE RADIOLOGY AND INTERVENTIONAL ASSOCIATES INC | COLUMBUS | OH | DIAGNOSTIC RADIOLOGY | 243 | 117 | $302,740 | $2,588 | premium | 13.3% | (614) 566-5600 |
| 13 | MAYO CLINIC | ROCHESTER | MN | NURSE PRACTITIONER | 4896 | 117 | $240,773 | $2,058 | premium | 27.0% | (507) 284-2511 |
| 14 | CENTRAL ARKANSAS RADIATION THERAPY INSTITUTE INC | LITTLE ROCK | AR | HEMATOLOGY/ONCOLOGY | 90 | 110 | $258,610 | $2,351 | premium | 17.9% | — |
| 15 | SCOTT AND WHITE CLINIC | TEMPLE | TX | PHYSICIAN ASSISTANT | 2435 | 105 | $68,046 | $648 | premium | 5.6% | (254) 724-2663 |
| 16 | LAKELAND RADIOLOGISTS P A | FLOWOOD | MS | DIAGNOSTIC RADIOLOGY | 29 | 104 | $68,848 | $662 | premium | 30.7% | (601) 936-2390 |
| 17 | MSKCC RADIOLOGY GROUP | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 199 | 103 | $122,570 | $1,190 | premium | 5.3% | (646) 888-5300 |
| 18 | RADIOLOGY OF HUNSTVILLE PC | HUNTSVILLE | AL | DIAGNOSTIC RADIOLOGY | 63 | 97 | $19,885 | $205 | premium | 43.5% | 2565390457145 |
| 19 | MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC | BOSTON | MA | DIAGNOSTIC RADIOLOGY | 3532 | 97 | $79,955 | $824 | premium | 13.0% | (617) 724-0287 |
| 20 | ADVANCED RADIOLOGY P A | BALTIMORE | MD | DIAGNOSTIC RADIOLOGY | 161 | 97 | $43,262 | $446 | premium | 17.5% | (888) 972-9700 |
| 21 | STONY BROOK RADIOLOGY, UNIVERSITY FACULTY PRACTICE CORPORATION | STONY BROOK | NY | DIAGNOSTIC RADIOLOGY | 59 | 94 | $75,200 | $800 | premium | 4.9% | (631) 638-2121 |
| 22 | WEST COUNTY RADIOLOGICAL GROUP INC | SAINT LOUIS | MO | DIAGNOSTIC RADIOLOGY | 104 | 92 | $51,704 | $562 | premium | 13.7% | (314) 941-5600 |
| 23 | TOWER HEALTH MEDICAL GROUP | WEST READING | PA | INTERNAL MEDICINE | 590 | 90 | $37,710 | $419 | premium | 11.1% | (484) 628-5455 |
| 24 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | NY | PHYSICIAN ASSISTANT | 6294 | 90 | $69,390 | $771 | premium | 4.7% | — |
| 25 | BAYSTATE MEDICAL PRACTICES INC | SPRINGFIELD | MA | PHYSICIAN ASSISTANT | 1326 | 89 | $34,424 | $387 | premium | 12.0% | — |
| 26 | RADIOLOGY CONSULTANTS OF IOWA PLC | CEDAR RAPIDS | IA | DIAGNOSTIC RADIOLOGY | 72 | 89 | $61,232 | $688 | premium | 18.2% | (319) 364-0121 |
| 27 | ENLOE MEDICAL CENTER | CHICO | CA | DIAGNOSTIC RADIOLOGY | 362 | 84 | $27,636 | $329 | premium | 3.4% | (530) 332-4470 |
| 28 | ENDEAVOR HEALTH MEDICAL GROUP | EVANSTON | IL | NURSE PRACTITIONER | 3380 | 84 | $41,748 | $497 | premium | 8.4% | — |
| 29 | SINGLETON ASSOCIATES PA | HOUSTON | TX | DIAGNOSTIC RADIOLOGY | 769 | 83 | $152,471 | $1,837 | premium | 4.5% | (855) 504-4544 |
| 30 | AVERA MCKENNAN | SIOUX FALLS | SD | NURSE PRACTITIONER | 964 | 82 | $11,430 | $139 | premium | 30.5% | (605) 322-5180 |
| 31 | DUKE HEALTH INTEGRATED PRACTICE INC | DURHAM | NC | PHYSICIAN ASSISTANT | 3051 | 81 | $276,939 | $3,419 | premium | 22.0% | (919) 684-8111 |
| 32 | PRISMA HEALTH UNIVERSITY MEDICAL GROUP | GREENVILLE | SC | NURSE PRACTITIONER | 2447 | 80 | $151,047 | $1,888 | premium | 20.2% | — |
| 33 | TEXAS RADIOLOGY ASSOCIATES LLP | PLANO | TX | DIAGNOSTIC RADIOLOGY | 153 | 78 | $168,792 | $2,164 | premium | 4.2% | (469) 814-2000 |
| 34 | RADIOLOGY AND NUCLEAR MEDICINE LLC | TOPEKA | KS | DIAGNOSTIC RADIOLOGY | 31 | 77 | $39,655 | $515 | premium | 23.3% | (785) 354-6000 |
| 35 | X-RAY ASSOCIATES OF LOUISVILLE PSC | LOUISVILLE | KY | DIAGNOSTIC RADIOLOGY | 55 | 75 | $32,200 | $429 | premium | 20.3% | (502) 897-8121 |
| 36 | RADIOLOGY LTD LLC | TUCSON | AZ | DIAGNOSTIC RADIOLOGY | 102 | 73 | $125,998 | $1,726 | premium | 9.2% | (520) 290-4842 |
| 37 | NORTHSIDE RADIOLOGY ASSOCIATES LLC | ATLANTA | GA | DIAGNOSTIC RADIOLOGY | 370 | 73 | $134,101 | $1,837 | premium | 15.8% | (404) 851-6577 |
| 38 | SANFORD MEDICAL CENTER FARGO | FARGO | ND | NURSE PRACTITIONER | 1198 | 72 | $196,056 | $2,723 | premium | 28.1% | (701) 234-2000 |
| 39 | RADIOLOGY CONSULTANTS OF TULSA, INC. | TULSA | OK | DIAGNOSTIC RADIOLOGY | 34 | 70 | $32,165 | $460 | premium | 14.7% | (918) 743-8838 |
| 40 | RADIOLOGY PHYSICIANS INC | DAYTON | OH | DIAGNOSTIC RADIOLOGY | 61 | 68 | $31,347 | $461 | premium | 7.7% | (937) 208-8000 |
| 41 | HAMPTON ROADS RADIOLOGY ASSOCIATES PC | VIRGINIA BEACH | VA | DIAGNOSTIC RADIOLOGY | 37 | 68 | $37,740 | $555 | premium | 6.4% | (757) 916-9630 |
| 42 | SANFORD CLINIC | SIOUX FALLS | SD | DIAGNOSTIC RADIOLOGY | 276 | 68 | $193,868 | $2,851 | premium | 25.3% | (605) 328-8700 |
| 43 | RADIOLOGY ASSOCIATES OF PENSACOLA PA | PENSACOLA | FL | DIAGNOSTIC RADIOLOGY | 21 | 67 | $38,190 | $570 | premium | 3.7% | (850) 208-6000 |
| 44 | COMMONWEALTH RADIOLOGY PC | RICHMOND | VA | DIAGNOSTIC RADIOLOGY | 49 | 66 | $39,600 | $600 | premium | 6.2% | (804) 288-8327 |
| 45 | RADIOLOGIC CENTER INC | OMAHA | NE | DIAGNOSTIC RADIOLOGY | 20 | 66 | $33,313 | $505 | premium | 18.6% | (402) 390-0606 |
| 46 | MISSION HEALTH COMMUNITY MULTISPECIALTY PROVIDERS LLC | ASHEVILLE | NC | PHYSICIAN ASSISTANT | 593 | 65 | $26,845 | $413 | premium | 17.6% | (828) 213-1740 |
| 47 | ADVANCED RADIOLOGY SERVICES PC | GRAND RAPIDS | MI | DIAGNOSTIC RADIOLOGY | 249 | 64 | $29,860 | $467 | premium | 10.8% | (616) 363-7272 |
| 48 | UNIVERSITY OF VERMONT MEDICAL CENTER INC | BURLINGTON | VT | PHYSICIAN ASSISTANT | 1194 | 64 | $250,282 | $3,911 | premium | 64.6% | (802) 847-0000 |
| 49 | ROSWELL PARK CANCER INSTITUTE | BUFFALO | NY | NURSE PRACTITIONER | 502 | 64 | $63,482 | $992 | premium | 3.3% | (716) 845-2300 |
| 50 | OSU RADIOLOGY LLC | COLUMBUS | OH | DIAGNOSTIC RADIOLOGY | 174 | 63 | $33,075 | $525 | premium | 7.2% | (614) 293-8315 |
| 51 | CENTRAL ILLINOIS RADIOLOGICAL ASSOCIATES LTD | PEORIA | IL | DIAGNOSTIC RADIOLOGY | 196 | 61 | $46,848 | $768 | premium | 6.1% | (309) 655-2000 |
| 52 | MCV ASSOCIATED PHYSICIANS | RICHMOND | VA | NURSE PRACTITIONER | 1791 | 61 | $262,666 | $4,306 | premium | 5.7% | (804) 828-9000 |
| 53 | TOLEDO RADIOLOGICAL ASSOCIATES INC | COLDWATER | OH | DIAGNOSTIC RADIOLOGY | 51 | 61 | $28,043 | $460 | premium | 6.9% | (517) 279-5400 |
| 54 | DIAGNOSTIC IMAGING SERVICES LLC | HAGERSTOWN | MD | DIAGNOSTIC RADIOLOGY | 17 | 59 | $18,880 | $320 | premium | 10.6% | (301) 714-4200 |
| 55 | RADIANT IMAGING INC | PASADENA | CA | DIAGNOSTIC RADIOLOGY | 67 | 59 | $29,028 | $492 | premium | 2.4% | (626) 229-8969 |
| 56 | KANSAS UNIVERSITY PHYSICIANS INC | KANSAS CITY | KS | NURSE PRACTITIONER | 1815 | 58 | $68,236 | $1,176 | premium | 17.6% | (913) 588-1227 |
| 57 | DIAGNOSTIC IMAGING ASSOCIATES PA | VICTORIA | TX | DIAGNOSTIC RADIOLOGY | 4 | 58 | $34,800 | $600 | premium | 3.1% | (361) 573-6100 |
| 58 | RADIOLOGISTS OF NORTH IOWA PC | MASON CITY | IA | DIAGNOSTIC RADIOLOGY | 14 | 57 | $21,945 | $385 | premium | 11.7% | (641) 424-0102 |
| 59 | IHC HEALTH SERVICES INC | MURRAY | UT | PHYSICIAN ASSISTANT | 3944 | 56 | $17,714 | $316 | premium | 28.7% | (801) 261-8346 |
| 60 | ASHLAND HOSPITAL CORPORATION | ASHLAND | KY | NURSE PRACTITIONER | 170 | 55 | $24,090 | $438 | premium | 14.9% | (606) 324-8060 |
| 61 | CHARLESTON AREA MEDICAL CENTER INC | CHARLESTON | WV | NURSE PRACTITIONER | 970 | 55 | $15,840 | $288 | premium | 27.0% | (304) 388-5432 |
| 62 | GRAND TRAVERSE RADIOLOGISTS PC | TRAVERSE CITY | MI | DIAGNOSTIC RADIOLOGY | 32 | 54 | $16,416 | $304 | premium | 9.1% | (231) 935-5000 |
| 63 | FLORIDA CANCER SPECIALISTS AND RESEARCH INSTITUTE, LLC | FORT MYERS | FL | HEMATOLOGY/ONCOLOGY | 437 | 54 | $146,934 | $2,721 | premium | 3.0% | (239) 561-9622 |
| 64 | RADIOLOGISTS PA | FORT SMITH | AR | DIAGNOSTIC RADIOLOGY | 19 | 53 | $28,849 | $544 | premium | 8.6% | (479) 474-1616 |
| 65 | CAPE RADIOLOGY GROUP PC | CAPE GIRARDEAU | MO | DIAGNOSTIC RADIOLOGY | 53 | 52 | $23,140 | $445 | premium | 7.8% | (573) 334-6071 |
| 66 | AVERA MCKENNAN | SIOUX FALLS | WA | NURSE PRACTITIONER | 964 | 52 | $9,330 | $179 | premium | 8.3% | (605) 322-5180 |
| 67 | NORTHWEST IOWA HOSPITAL CORPORATION | SIOUX CITY | SD | NURSE PRACTITIONER | 117 | 50 | $146,539 | $2,931 | premium | 18.6% | (712) 279-3500 |
| 68 | CALIFORNIA MANAGED IMAGING MEDICAL GROUP INC | SANTA BARBARA | CA | DIAGNOSTIC RADIOLOGY | 64 | 49 | $159,200 | $3,249 | premium | 2.0% | (800) 841-4236 |
| 69 | RADIOLOGY INC | HUNTINGTON | WV | DIAGNOSTIC RADIOLOGY | 28 | 49 | $34,790 | $710 | premium | 24.0% | (304) 526-1140 |
| 70 | EAST VALLEY RADIOLOGY ASSOCIATES PLLC | CHANDLER | AZ | DIAGNOSTIC RADIOLOGY | 31 | 49 | $37,583 | $767 | premium | 6.2% | (480) 728-3000 |
| 71 | STATE UNIVERSITY OF IOWA | IOWA CITY | IA | PHYSICIAN ASSISTANT | 1902 | 48 | $172,601 | $3,596 | premium | 9.8% | (319) 678-8201 |
| 72 | DIAGNOSTIC IMAGING ASSOCIATES, P.C. | DES MOINES | IA | DIAGNOSTIC RADIOLOGY | 21 | 48 | $35,520 | $740 | premium | 9.8% | (515) 643-2667 |
| 73 | ORLANDO HEALTH MEDICAL GROUP INC | ORLANDO | FL | PHYSICIAN ASSISTANT | 2145 | 47 | $18,424 | $392 | premium | 2.6% | (407) 896-1100 |
| 74 | CROUSE MEDICAL PRACTICE PLLC | SYRACUSE | NY | PHYSICIAN ASSISTANT | 187 | 47 | $13,693 | $291 | premium | 2.4% | — |
| 75 | WASHINGTON REGIONAL MEDICAL SYSTEM | FAYETTEVILLE | AR | NURSE PRACTITIONER | 241 | 46 | $14,858 | $323 | premium | 7.5% | (479) 571-4338 |
| 76 | BANNER-UNIVERSITY MEDICAL GROUP | TUCSON | AZ | INTERNAL MEDICINE | 1068 | 46 | $18,446 | $401 | premium | 5.8% | (520) 694-0111 |
| 77 | THE CURATORS OF THE UNIVERSITY OF MISSOURI | COLUMBIA | MO | PHYSICIAN ASSISTANT | 1116 | 46 | $43,470 | $945 | premium | 6.9% | (573) 882-2667 |
| 78 | SUMMIT RADIOLOGY P C | FORT WAYNE | IN | DIAGNOSTIC RADIOLOGY | 104 | 46 | $13,478 | $293 | premium | 10.7% | (260) 432-1568 |
| 79 | SELF MEDICAL GROUP | GREENWOOD | SC | NURSE PRACTITIONER | 400 | 45 | $16,740 | $372 | premium | 11.4% | — |
| 80 | PENINSULA RADIOLOGICAL ASSOCIATES LIMITED | NEWPORT NEWS | VA | DIAGNOSTIC RADIOLOGY | 65 | 45 | $20,250 | $450 | premium | 4.2% | (757) 594-3900 |
| 81 | LAHEY CLINIC INC | BURLINGTON | MA | NURSE PRACTITIONER | 1400 | 45 | $30,827 | $685 | premium | 6.0% | — |
| 82 | MEDICAL IMAGING OF LEHIGH VALLEY PC | ALLENTOWN | PA | DIAGNOSTIC RADIOLOGY | 119 | 45 | $23,895 | $531 | premium | 5.6% | (610) 770-1606 |
| 83 | SPECTRUM HEALTHCARE PARTNERS PA | PORTLAND | ME | DIAGNOSTIC RADIOLOGY | 281 | 44 | $20,460 | $465 | premium | 100.0% | (207) 828-2160 |
| 84 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 44 | $53,510 | $1,216 | premium | 4.4% | — |
| 85 | SONORAN RADIOLOGY LTD | MESA | AZ | DIAGNOSTIC RADIOLOGY | 474 | 44 | $80,828 | $1,837 | premium | 5.5% | (832) 915-2534 |
| 86 | THE ASSOCIATION OF UNIVERSITY PHYSICIANS | SEATTLE | WA | PHYSICIAN ASSISTANT | 3612 | 44 | $20,660 | $470 | premium | 7.0% | (206) 364-0500 |
| 87 | WELLSPAN MEDICAL GROUP | YORK | PA | PHYSICIAN ASSISTANT | 2312 | 43 | $13,889 | $323 | premium | 5.3% | — |
| 88 | INNOVIS HEALTH LLC | FARGO | ND | NURSE PRACTITIONER | 565 | 42 | $18,354 | $437 | premium | 16.4% | (701) 364-6600 |
| 89 | HOUSTON RADIOLOGY ASSOCIATED | HOUSTON | TX | DIAGNOSTIC RADIOLOGY | 103 | 42 | $49,128 | $1,170 | premium | 2.3% | (281) 206-9020 |
| 90 | MERCY CLINIC SPRINGFIELD COMMUNITIES | SPRINGFIELD | MO | PHYSICIAN ASSISTANT | 1128 | 42 | $13,944 | $332 | premium | 6.3% | — |
| 91 | WINCHESTER RADIOLOGISTS PC | WINCHESTER | VA | DIAGNOSTIC RADIOLOGY | 79 | 42 | $33,142 | $789 | premium | 3.9% | (540) 686-1600 |
| 92 | BEAUMONT MEDICAL GROUP HOSPITAL BASED SERVICES | TROY | MI | DIAGNOSTIC RADIOLOGY | 583 | 42 | $85,638 | $2,039 | premium | 7.1% | (248) 964-1187 |
| 93 | SOUTHERN NEW HAMPSHIRE RADIOLOGY CONSULTANTS PC | BEDFORD | NH | DIAGNOSTIC RADIOLOGY | 42 | 42 | $19,614 | $467 | premium | 22.6% | (603) 627-1661 |
| 94 | DIAGNOSTIC X-RAY PHYSICIANS, PSC | LOUISVILLE | KY | DIAGNOSTIC RADIOLOGY | 36 | 42 | $21,441 | $510 | premium | 11.4% | (502) 893-1000 |
| 95 | STANFORD HEALTH CARE | STANFORD | CA | DIAGNOSTIC RADIOLOGY | 3039 | 41 | $65,522 | $1,598 | premium | 1.7% | (650) 723-4000 |
| 96 | HARVARD MEDICAL FACULTY PHYS AT BETH ISRAEL DEACONESS MED CTR INC | BOSTON | MA | INTERNAL MEDICINE | 1689 | 41 | $20,418 | $498 | premium | 5.5% | (781) 983-9088 |
| 97 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 41 | $559,937 | $13,657 | premium | 2.1% | (212) 263-9700 |
| 98 | DECATUR MEMORIAL HOSPITAL | DECATUR | CA | INTERNAL MEDICINE | 184 | 40 | $28,040 | $701 | premium | 1.6% | (217) 876-8121 |
| 99 | UMASS MEMORIAL MEDICAL GROUP INC | WORCESTER | MA | PHYSICIAN ASSISTANT | 2483 | 39 | $181,974 | $4,666 | premium | 5.2% | (508) 334-1000 |
| 100 | IMAGING ASSOCIATES OF INDIANA, PC | CROWN POINT | IN | DIAGNOSTIC RADIOLOGY | 263 | 39 | $71,643 | $1,837 | premium | 9.1% | (219) 757-6320 |
Showing the top 100 of 273 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 →