36224 — Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist
13,175 observed fee-for-service (50%) · ~13,422 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 | 36224 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | GEISINGER CLINIC | DANVILLE | PA | PHYSICIAN ASSISTANT | 3426 | 194 | $2,128,306 | $10,971 | premium | 18.8% | (570) 271-6144 |
| 2 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | NY | PHYSICIAN ASSISTANT | 6294 | 179 | $787,528 | $4,400 | premium | 14.7% | — |
| 3 | ENDEAVOR HEALTH MEDICAL GROUP | EVANSTON | IL | NURSE PRACTITIONER | 3380 | 170 | $312,384 | $1,838 | premium | 16.7% | — |
| 4 | TRA-MINW P S | TACOMA | WA | DIAGNOSTIC RADIOLOGY | 153 | 162 | $1,339,530 | $8,269 | premium | 24.9% | (253) 841-4353 |
| 5 | WELLSTAR MEDICAL GROUP LLC | MARIETTA | GA | NURSE PRACTITIONER | 3060 | 160 | $1,144,823 | $7,155 | premium | 27.7% | (770) 422-2004 |
| 6 | THE ASSOCIATION OF UNIVERSITY PHYSICIANS | SEATTLE | WA | PHYSICIAN ASSISTANT | 3612 | 157 | $237,204 | $1,511 | premium | 24.1% | (206) 364-0500 |
| 7 | UNIVERSITY MEDICAL ASSOCIATES OF THE MEDICAL UNIVERSITY OF SOUTH CAROL | CHARLESTON | SC | PHYSICIAN ASSISTANT | 1692 | 154 | $1,203,228 | $7,813 | premium | 38.9% | (843) 792-1414 |
| 8 | REGENTS OF THE UNIV OF CA | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 1608 | 152 | $1,733,424 | $11,404 | premium | 6.0% | (877) 827-7463 |
| 9 | PROVIDENCE SAINT JOHNS MEDICAL FOUNDATION | SANTA MONICA | CA | PHYSICIAN ASSISTANT | 287 | 150 | $324,097 | $2,161 | premium | 5.9% | (310) 829-6789 |
| 10 | SEMMES-MURPHEY CLINIC PC | MEMPHIS | TN | NEUROSURGERY | 65 | 136 | $216,700 | $1,593 | premium | 29.4% | (901) 522-7700 |
| 11 | JEFFERSON UNIVERSITY PHYSICIANS | PHILADELPHIA | PA | DIAGNOSTIC RADIOLOGY | 1570 | 134 | $511,060 | $3,814 | premium | 13.0% | — |
| 12 | MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC | BOSTON | MA | DIAGNOSTIC RADIOLOGY | 3532 | 127 | $517,280 | $4,073 | premium | 23.3% | (617) 724-0287 |
| 13 | LYERLY BAPTIST INC | JACKSONVILLE | FL | NURSE PRACTITIONER | 68 | 125 | $335,934 | $2,687 | premium | 7.1% | (904) 388-6518 |
| 14 | NEUROSURGICAL ASSOCIATES LTD | PHOENIX | AZ | NEUROSURGERY | 74 | 123 | $200,308 | $1,629 | premium | 34.7% | (602) 406-3181 |
| 15 | REGENTS OF THE UNIVERSITY OF CALIFORNIA | SAN DIEGO | CA | DIAGNOSTIC RADIOLOGY | 2057 | 123 | $1,382,366 | $11,239 | premium | 4.8% | (800) 926-8273 |
| 16 | OSU INTERNAL MEDICINE LLC | COLUMBUS | OH | NURSE PRACTITIONER | 1155 | 120 | $293,560 | $2,446 | premium | 18.3% | (614) 293-8000 |
| 17 | FAIRBANKS PARTNERS LLC | CELEBRATION | FL | NEUROSURGERY | 36 | 118 | $195,820 | $1,659 | premium | 6.7% | (407) 975-0200 |
| 18 | QUEENS UNIVERSITY MEDICAL GROUP | HONOLULU | HI | DIAGNOSTIC RADIOLOGY | 648 | 115 | $164,736 | $1,432 | premium | 75.2% | (808) 691-8200 |
| 19 | HARVARD MEDICAL FACULTY PHYS AT BETH ISRAEL DEACONESS MED CTR INC | BOSTON | MA | INTERNAL MEDICINE | 1689 | 112 | $130,704 | $1,167 | premium | 20.5% | (781) 983-9088 |
| 20 | KETTERING INDEPENDENT MEDICAL GROUP INC | KETTERING | OH | NURSE PRACTITIONER | 691 | 105 | $393,190 | $3,745 | premium | 16.0% | (937) 395-8646 |
| 21 | UNIVERSITY AT BUFFALO NEUROSURGERY INC | AMHERST | NY | PHYSICIAN ASSISTANT | 71 | 104 | $1,525,798 | $14,671 | premium | 8.6% | (716) 218-1000 |
| 22 | PRISMA HEALTH UNIVERSITY MEDICAL GROUP | GREENVILLE | SC | NURSE PRACTITIONER | 2447 | 100 | $107,061 | $1,071 | premium | 25.3% | — |
| 23 | OU HEALTH PARTNERS INC | OKLAHOMA CITY | OK | PHYSICIAN ASSISTANT | 1160 | 99 | $194,040 | $1,960 | premium | 46.0% | (405) 271-4311 |
| 24 | BAPTIST HEALTH MEDICAL GROUP PHYSICIANS LLC | SOUTH MIAMI | FL | PHYSICIAN ASSISTANT | 653 | 99 | $142,118 | $1,436 | premium | 5.6% | (786) 662-0600 |
| 25 | UT PHYSICIANS | HOUSTON | TX | NEUROLOGY | 202 | 99 | $628,418 | $6,348 | premium | 7.9% | (713) 486-8000 |
| 26 | WELLSPAN MEDICAL GROUP | YORK | PA | PHYSICIAN ASSISTANT | 2312 | 96 | $155,526 | $1,620 | premium | 9.3% | — |
| 27 | VASCULAR NEUROLOGY OF SOUTHERN CALIFORNIA INC | THOUSAND OAKS | CA | NEUROLOGY | 8 | 95 | $673,284 | $7,087 | premium | 3.7% | (805) 242-4884 |
| 28 | UNIVERSITY OF LOUISVILLE PHYSICIANS INC | LOUISVILLE | VA | NURSE PRACTITIONER | 1442 | 93 | $640,256 | $6,884 | premium | 12.9% | (502) 629-2398 |
| 29 | CLEVELAND CLINIC | CLEVELAND | OH | PHYSICIAN ASSISTANT | 6828 | 92 | $471,449 | $5,124 | premium | 14.0% | — |
| 30 | KENTUCKY MEDICAL SERVICES FOUNDATION, INC | LEXINGTON | KY | DIAGNOSTIC RADIOLOGY | 989 | 90 | $304,605 | $3,384 | premium | 29.7% | (859) 257-1412 |
| 31 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 88 | $2,583,553 | $29,359 | premium | 7.2% | (212) 263-9700 |
| 32 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 87 | $837,225 | $9,623 | premium | 3.4% | (916) 681-8852 |
| 33 | RIVERSIDE PHYSICIAN SERVICES INC | NEWPORT NEWS | VA | PHYSICIAN ASSISTANT | 793 | 87 | $310,200 | $3,566 | premium | 12.0% | — |
| 34 | ATLANTIC BRAIN AND SPINE LLC | MORRISTOWN | NJ | NEUROSURGERY | 25 | 86 | $352,665 | $4,101 | premium | 15.9% | — |
| 35 | NEW YORK SPINE AND BRAIN SURGERY, UNIVERSITY FACULTY PRACTICE CORPORAT | STONY BROOK | NY | PHYSICIAN ASSISTANT | 60 | 85 | $1,155,000 | $13,588 | premium | 7.0% | (631) 444-1213 |
| 36 | SANFORD MEDICAL CENTER FARGO | FARGO | ND | NURSE PRACTITIONER | 1198 | 84 | $143,694 | $1,711 | premium | 100.0% | (701) 234-2000 |
| 37 | WEILL MEDICAL COLLEGE OF CORNELL | NEW YORK | NY | INTERNAL MEDICINE | 2053 | 83 | $118,449 | $1,427 | premium | 6.8% | (212) 746-5454 |
| 38 | STANFORD HEALTH CARE | STANFORD | CA | DIAGNOSTIC RADIOLOGY | 3039 | 83 | $958,454 | $11,548 | premium | 3.3% | (650) 723-4000 |
| 39 | MCV ASSOCIATED PHYSICIANS | RICHMOND | VA | NURSE PRACTITIONER | 1791 | 83 | $620,160 | $7,472 | premium | 11.5% | (804) 828-9000 |
| 40 | STATE UNIVERSITY OF IOWA | IOWA CITY | IA | PHYSICIAN ASSISTANT | 1902 | 80 | $851,029 | $10,638 | premium | 44.0% | (319) 678-8201 |
| 41 | UNIVERSITY OF WISCONSIN MEDICAL FOUNDATION INC | MADISON | WI | PHYSICIAN ASSISTANT | 2523 | 80 | $1,144,721 | $14,309 | premium | 37.2% | (608) 287-2050 |
| 42 | ST VINCENT MEDICAL GROUP | LITTLE ROCK | AR | FAMILY PRACTICE | 247 | 80 | $147,560 | $1,845 | premium | 40.0% | (501) 562-4838 |
| 43 | WESTCHESTER MEDICAL CENTER ADVANCED PHYSICIAN SERVICES PC | VALHALLA | NY | DIAGNOSTIC RADIOLOGY | 875 | 79 | $129,624 | $1,641 | premium | 6.5% | — |
| 44 | QUEENS UNIVERSITY MEDICAL GROUP | HONOLULU | GA | DIAGNOSTIC RADIOLOGY | 648 | 79 | $124,022 | $1,570 | premium | 13.7% | (808) 691-8200 |
| 45 | VANDERBILT UNIVERSITY MEDICAL CENTER | NASHVILLE | TN | NURSE PRACTITIONER | 3394 | 78 | $792,956 | $10,166 | premium | 16.9% | (615) 322-5000 |
| 46 | RADIOLOGY ASSOCIATES OF CLEARWATER | CLEARWATER | FL | DIAGNOSTIC RADIOLOGY | 53 | 77 | $258,084 | $3,352 | premium | 4.3% | (727) 441-3711 |
| 47 | RADIOLOGY OF HUNSTVILLE PC | HUNTSVILLE | AL | DIAGNOSTIC RADIOLOGY | 63 | 77 | $64,452 | $837 | premium | 38.3% | 2565390457145 |
| 48 | LAKELAND RADIOLOGISTS P A | FLOWOOD | MS | DIAGNOSTIC RADIOLOGY | 29 | 76 | $373,430 | $4,914 | premium | 54.3% | (601) 936-2390 |
| 49 | THE NEUROLOGICAL INSTITUTE OF SAVANNAH AND CENTER FOR SPINE P C | SAVANNAH | GA | NEUROSURGERY | 28 | 75 | $1,446,569 | $19,288 | premium | 13.0% | (912) 355-1010 |
| 50 | COMMUNITY CARE NETWORK INC | MUNSTER | IN | NURSE PRACTITIONER | 379 | 74 | $70,290 | $950 | premium | 19.6% | (219) 836-4563 |
| 51 | INOVA HEALTH CARE SERVICES | FALLS CHURCH | VA | NURSE PRACTITIONER | 1818 | 74 | $126,973 | $1,716 | premium | 10.2% | — |
| 52 | KANSAS UNIVERSITY PHYSICIANS INC | KANSAS CITY | KS | NURSE PRACTITIONER | 1815 | 72 | $79,657 | $1,106 | premium | 27.5% | (913) 588-1227 |
| 53 | NEURO IR OF EAST TEXAS | TYLER | TX | DIAGNOSTIC RADIOLOGY | 3 | 72 | $134,395 | $1,867 | premium | 5.7% | (903) 705-0072 |
| 54 | NEW JERSEY BRAIN AND SPINE PC | MONTVALE | NJ | NEUROSURGERY | 36 | 71 | $1,929,980 | $27,183 | premium | 13.1% | (201) 342-2550 |
| 55 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 71 | $679,458 | $9,570 | premium | 2.8% | (415) 600-1020 |
| 56 | HOUSTON RADIOLOGY ASSOCIATED | HOUSTON | TX | DIAGNOSTIC RADIOLOGY | 103 | 70 | $409,016 | $5,843 | premium | 5.6% | (281) 206-9020 |
| 57 | WAKE FOREST UNIVERSITY HEALTH SCIENCES | WINSTON SALEM | NC | PHYSICIAN ASSISTANT | 2609 | 70 | $141,412 | $2,020 | premium | 15.5% | (336) 713-9800 |
| 58 | HOLY CROSS HOSPITAL INC | FT LAUDERDALE | FL | PHYSICIAN ASSISTANT | 303 | 70 | $160,047 | $2,286 | premium | 4.0% | (954) 772-2136 |
| 59 | MHS PHYSICIANS OF TEXAS | HUMBLE | TX | NEUROLOGY | 114 | 70 | $167,814 | $2,397 | premium | 5.6% | (281) 319-8530 |
| 60 | YALE UNIVERSITY | NEW HAVEN | CT | PHYSICIAN ASSISTANT | 2649 | 69 | $594,315 | $8,613 | premium | 21.5% | (203) 688-4242 |
| 61 | PROVIDENCE HEALTH AND SERVICES WASHINGTON | SPOKANE | WA | PHYSICIAN ASSISTANT | 771 | 69 | $85,855 | $1,244 | premium | 10.6% | — |
| 62 | RUSH UNIVERSITY MEDICAL GROUP | CHICAGO | IL | PHYSICIAN ASSISTANT | 1496 | 68 | $109,349 | $1,608 | premium | 6.7% | (312) 563-2875 |
| 63 | ATLANTIC BRAIN AND SPINE, P.A. | WILMINGTON | NC | PHYSICIAN ASSISTANT | 20 | 68 | $54,718 | $805 | premium | 15.1% | (910) 763-3333 |
| 64 | UNIVERSITY OF MIAMI | MIAMI | FL | NURSE PRACTITIONER | 2331 | 67 | $142,811 | $2,132 | premium | 3.8% | (305) 689-5437 |
| 65 | MSMC INTERVENTIONAL, LLC | MIAMI | FL | NURSE PRACTITIONER | 10 | 67 | $149,816 | $2,236 | premium | 3.8% | (305) 674-2071 |
| 66 | MAINEHEALTH | PORTLAND | ME | NURSE PRACTITIONER | 2574 | 66 | $78,856 | $1,195 | premium | 100.0% | (207) 885-9905 |
| 67 | UNIVERSITY OF VIRGINIA PHYSICIANS GROUP | CHARLOTTESVILLE | VA | NURSE PRACTITIONER | 1704 | 66 | $396,815 | $6,012 | premium | 9.1% | (434) 924-5959 |
| 68 | HARTFORD HEALTHCARE MEDICAL GROUP SPECIALISTS PLLC | STORRS | CT | PHYSICIAN ASSISTANT | 1493 | 66 | $159,855 | $2,422 | premium | 20.6% | (860) 724-2579 |
| 69 | PIEDMONT PROVIDERS LLC | ATLANTA | GA | PHYSICIAN ASSISTANT | 509 | 65 | $130,866 | $2,013 | premium | 11.2% | (404) 367-3210 |
| 70 | UNIVERSITY OF UTAH SURGICAL SERVICES | SALT LAKE CITY | UT | PHYSICIAN ASSISTANT | 45 | 65 | $858,182 | $13,203 | premium | 47.4% | (801) 585-7575 |
| 71 | NEUROSURGICAL ASSOCIATES OF NEW JERSEY, P.C. | RIDGEWOOD | NJ | NEUROSURGERY | 44 | 65 | $1,368,600 | $21,055 | premium | 12.0% | (201) 327-8600 |
| 72 | AVERA MCKENNAN | SIOUX FALLS | SD | NURSE PRACTITIONER | 964 | 65 | $18,729 | $288 | premium | 49.2% | (605) 322-5180 |
| 73 | RADIOLOGY ASSOCIATES OF NORTH TEXAS PA | FORT WORTH | TX | DIAGNOSTIC RADIOLOGY | 340 | 63 | $131,220 | $2,083 | premium | 5.0% | (817) 321-0470 |
| 74 | FLORIDA CLINICAL PRACTICE ASSOCIATION INC | GAINESVILLE | FL | NURSE PRACTITIONER | 1912 | 63 | $284,902 | $4,522 | premium | 3.6% | (352) 265-8990 |
| 75 | MAYFIELD CLINIC INC | CINCINNATI | OH | PHYSICIAN ASSISTANT | 77 | 59 | $179,679 | $3,045 | premium | 9.0% | (513) 221-1100 |
| 76 | LINK NEUROSCIENCE INSTITUTE PC | OXNARD | CA | NEUROLOGY | 15 | 58 | $372,962 | $6,430 | premium | 2.3% | (805) 983-0425 |
| 77 | JEFFREY FARKAS MD LLC | BROOKLYN | NY | NEUROLOGY | 11 | 58 | $87,687 | $1,512 | premium | 4.8% | (718) 630-6756 |
| 78 | VKOSTANIANMD PC | HENDERSON | NV | DIAGNOSTIC RADIOLOGY | 3 | 56 | $75,435 | $1,347 | premium | 29.5% | (702) 649-8009 |
| 79 | PRISMA HEALTH MEDICAL GROUP-MIDLANDS | COLUMBIA | SC | PHYSICIAN ASSISTANT | 1017 | 56 | $48,699 | $870 | premium | 14.1% | (803) 749-5101 |
| 80 | SETON FAMILY OF DOCTORS | AUSTIN | TX | PHYSICIAN ASSISTANT | 804 | 56 | $92,124 | $1,645 | premium | 4.5% | (512) 324-7300 |
| 81 | TEXAS HEALTH PHYSICIANS GROUP | FORT WORTH | TX | PHYSICIAN ASSISTANT | 1350 | 55 | $43,010 | $782 | premium | 4.4% | (817) 281-2977 |
| 82 | SACRED HEART HEALTH SYSTEM INC | PENSACOLA | FL | NURSE PRACTITIONER | 371 | 55 | $94,973 | $1,727 | premium | 3.1% | (850) 416-2400 |
| 83 | UNIVERSITY OF LOUISVILLE PHYSICIANS INC | LOUISVILLE | FL | NURSE PRACTITIONER | 1442 | 55 | $362,645 | $6,594 | premium | 3.1% | (502) 629-2398 |
| 84 | COOPER SURGICAL ASSOCIATES, PA | CAMDEN | NJ | PHYSICIAN ASSISTANT | 303 | 55 | $682,689 | $12,413 | premium | 10.2% | (856) 270-4100 |
| 85 | MAYO CLINIC JACKSONVILLE | JACKSONVILLE | FL | NURSE PRACTITIONER | 1587 | 54 | $561,663 | $10,401 | premium | 3.0% | (904) 953-2000 |
| 86 | MAIN LINE HEALTHCARE | BRYN MAWR | PA | NURSE PRACTITIONER | 1157 | 54 | $256,000 | $4,741 | premium | 5.2% | — |
| 87 | CEDARS-SINAI MEDICAL CENTER | WEST HOLLYWOOD | CA | NURSE PRACTITIONER | 802 | 54 | $183,303 | $3,395 | premium | 2.1% | (310) 423-3277 |
| 88 | WASHINGTON UNIVERSITY | SAINT LOUIS | MO | NURSE PRACTITIONER | 3070 | 53 | $422,723 | $7,976 | premium | 16.6% | (314) 747-3000 |
| 89 | BHS PHYSICIANS NETWORK, INC | SAN ANTONIO | TX | PHYSICIAN ASSISTANT | 696 | 53 | $53,795 | $1,015 | premium | 4.2% | (210) 614-7414 |
| 90 | NORTHEAST GEORGIA PHYSICIANS GROUP INC | GAINESVILLE | GA | PHYSICIAN ASSISTANT | 901 | 53 | $446,368 | $8,422 | premium | 9.2% | (770) 219-7777 |
| 91 | UNIVERSITY MEDICAL ASSOCIATES OF THE MEDICAL UNIVERSITY OF SOUTH CAROL | CHARLESTON | IA | PHYSICIAN ASSISTANT | 1692 | 53 | $417,920 | $7,885 | premium | 29.1% | (843) 792-1414 |
| 92 | UNIVERSITY HOSPITALS MEDICAL GROUP INC | CLEVELAND | OH | NURSE PRACTITIONER | 2232 | 53 | $103,806 | $1,959 | premium | 8.1% | — |
| 93 | UNIVERSITY OF PITTSBURGH PHYSICIANS | PITTSBURGH | PA | DIAGNOSTIC RADIOLOGY | 4291 | 52 | $109,002 | $2,096 | premium | 5.0% | — |
| 94 | EISENHOWER MEDICAL CENTER | RANCHO MIRAGE | CA | NURSE PRACTITIONER | 457 | 52 | $18,200 | $350 | premium | 2.0% | (760) 340-3911 |
| 95 | BRIGHAM AND WOMENS PHYSICIANS ORGANIZATION INC | BOSTON | MA | PHYSICIAN ASSISTANT | 2942 | 52 | $163,480 | $3,144 | premium | 9.5% | (617) 732-5500 |
| 96 | UNIVERSITY PHYSICIANS INCORPORATED | AURORA | CO | PHYSICIAN ASSISTANT | 3122 | 52 | $146,718 | $2,822 | premium | 34.0% | (720) 777-1234 |
| 97 | BAYSTATE MEDICAL PRACTICES INC | SPRINGFIELD | MA | PHYSICIAN ASSISTANT | 1326 | 51 | $68,408 | $1,341 | premium | 9.3% | — |
| 98 | THE EMORY CLINIC INC | ATLANTA | GA | NURSE PRACTITIONER | 3484 | 50 | $805,701 | $16,114 | premium | 8.7% | (404) 778-7525 |
| 99 | COMMUNITY MEDICAL ASSOCIATES INC | LOUISVILLE | KY | NURSE PRACTITIONER | 1377 | 50 | $89,700 | $1,794 | premium | 16.5% | (502) 937-2209 |
| 100 | RALEIGH NEUROSURGICAL CLINIC INC | RALEIGH | NC | PHYSICIAN ASSISTANT | 52 | 50 | $480,487 | $9,610 | premium | 11.1% | (919) 785-3400 |
Showing the top 100 of 259 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 →