72156 — Mri scan of upper spinal canal before and after contrast
29,999 observed fee-for-service (49%) · ~31,153 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 | 72156 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | PHYSICIANS REFERRAL SERVICE | HOUSTON | TX | NURSE PRACTITIONER | 2696 | 1,423 | $1,594,498 | $1,121 | premium | 21.7% | (713) 592-5433 |
| 2 | MAYO CLINIC | ROCHESTER | MN | NURSE PRACTITIONER | 4896 | 768 | $3,021,785 | $3,935 | premium | 27.9% | (507) 284-2511 |
| 3 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 715 | $652,715 | $913 | premium | 20.5% | — |
| 4 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 714 | $2,078,778 | $2,911 | premium | 10.4% | (212) 263-9700 |
| 5 | BRIGHAM AND WOMENS PHYSICIANS ORGANIZATION INC | BOSTON | MA | PHYSICIAN ASSISTANT | 2942 | 599 | $351,571 | $587 | premium | 15.9% | (617) 732-5500 |
| 6 | STANFORD HEALTH CARE | STANFORD | CA | DIAGNOSTIC RADIOLOGY | 3039 | 519 | $636,384 | $1,226 | premium | 7.7% | (650) 723-4000 |
| 7 | MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC | BOSTON | MA | DIAGNOSTIC RADIOLOGY | 3532 | 434 | $906,864 | $2,090 | premium | 11.5% | (617) 724-0287 |
| 8 | OSU RADIOLOGY LLC | COLUMBUS | OH | DIAGNOSTIC RADIOLOGY | 174 | 432 | $218,160 | $505 | premium | 18.2% | (614) 293-8315 |
| 9 | MAYO CLINIC ARIZONA | PHOENIX | AZ | PHYSICIAN ASSISTANT | 1635 | 428 | $713,309 | $1,667 | premium | 23.3% | (800) 603-0558 |
| 10 | ADVANCED RADIOLOGY SERVICES PC | GRAND RAPIDS | MI | DIAGNOSTIC RADIOLOGY | 249 | 413 | $171,395 | $415 | premium | 13.0% | (616) 363-7272 |
| 11 | REGENTS OF THE UNIVERSITY OF MICHIGAN | ANN ARBOR | MI | INTERNAL MEDICINE | 3330 | 410 | $332,326 | $811 | premium | 12.9% | (734) 763-5459 |
| 12 | REGENTS OF THE UNIVERSITY OF CALIFORNIA | SAN DIEGO | CA | DIAGNOSTIC RADIOLOGY | 2057 | 406 | $494,117 | $1,217 | premium | 6.0% | (800) 926-8273 |
| 13 | RHODE ISLAND MEDICAL IMAGING INC | EAST PROVIDENCE | RI | DIAGNOSTIC RADIOLOGY | 109 | 382 | $263,578 | $690 | premium | 88.2% | (401) 626-3900 |
| 14 | H LEE MOFFITT CANCER CTR AND RES INST LIFE TIME CANCER SCRN CTR INC | TAMPA | FL | PHYSICIAN ASSISTANT | 1103 | 353 | $157,777 | $447 | premium | 8.5% | (813) 745-4673 |
| 15 | BEAUMONT MEDICAL GROUP HOSPITAL BASED SERVICES | TROY | MI | DIAGNOSTIC RADIOLOGY | 583 | 335 | $248,154 | $741 | premium | 10.5% | (248) 964-1187 |
| 16 | MSKCC RADIOLOGY GROUP | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 199 | 310 | $178,250 | $575 | premium | 4.5% | (646) 888-5300 |
| 17 | PRISMA HEALTH UNIVERSITY MEDICAL GROUP | GREENVILLE | SC | NURSE PRACTITIONER | 2447 | 304 | $129,881 | $427 | premium | 24.1% | — |
| 18 | MASS GENERAL BRIGHAM COMMUNITY PHYSICIANS INC | MEDFORD | MA | DIAGNOSTIC RADIOLOGY | 424 | 299 | $172,318 | $576 | premium | 8.0% | (781) 395-4909 |
| 19 | THE ASSOCIATION OF UNIVERSITY PHYSICIANS | SEATTLE | WA | PHYSICIAN ASSISTANT | 3612 | 289 | $97,372 | $337 | premium | 22.8% | (206) 364-0500 |
| 20 | UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL CENTER AT DALLAS | DALLAS | TX | PHYSICIAN ASSISTANT | 3200 | 280 | $135,521 | $484 | premium | 4.3% | (214) 633-5555 |
| 21 | ENDEAVOR HEALTH MEDICAL GROUP | EVANSTON | IL | NURSE PRACTITIONER | 3380 | 279 | $120,369 | $431 | premium | 8.0% | — |
| 22 | ZWANGER AND PESIRI RADIOLOGY GROUP LLP | LINDENHURST | NY | DIAGNOSTIC RADIOLOGY | 91 | 278 | $575,856 | $2,071 | premium | 4.1% | (631) 225-7200 |
| 23 | DUKE HEALTH INTEGRATED PRACTICE INC | DURHAM | NC | PHYSICIAN ASSISTANT | 3051 | 276 | $179,124 | $649 | premium | 13.1% | (919) 684-8111 |
| 24 | HOUSTON RADIOLOGY ASSOCIATED | HOUSTON | TX | DIAGNOSTIC RADIOLOGY | 103 | 249 | $227,574 | $914 | premium | 3.8% | (281) 206-9020 |
| 25 | MAYO CLINIC JACKSONVILLE | JACKSONVILLE | FL | NURSE PRACTITIONER | 1587 | 246 | $1,084,140 | $4,407 | premium | 5.9% | (904) 953-2000 |
| 26 | RADIOLOGY REGIONAL CENTER P A | FORT MYERS | FL | DIAGNOSTIC RADIOLOGY | 52 | 233 | $481,421 | $2,066 | premium | 5.6% | (239) 936-2316 |
| 27 | WEST COUNTY RADIOLOGICAL GROUP INC | SAINT LOUIS | MO | DIAGNOSTIC RADIOLOGY | 104 | 233 | $112,781 | $484 | premium | 10.9% | (314) 941-5600 |
| 28 | CITY OF HOPE MEDICAL FOUNDATION | DUARTE | CA | NURSE PRACTITIONER | 942 | 230 | $108,880 | $473 | premium | 3.4% | (626) 256-4673 |
| 29 | UC REGENTS | ORANGE | CA | DIAGNOSTIC RADIOLOGY | 99 | 216 | $263,040 | $1,218 | premium | 3.2% | (714) 456-7004 |
| 30 | ROPER RADIOLOGISTS PA | CHARLESTON | SC | DIAGNOSTIC RADIOLOGY | 40 | 205 | $240,240 | $1,172 | premium | 16.3% | (843) 724-2161 |
| 31 | YALE UNIVERSITY | NEW HAVEN | CT | PHYSICIAN ASSISTANT | 2649 | 192 | $107,520 | $560 | premium | 19.5% | (203) 688-4242 |
| 32 | STATE UNIVERSITY OF IOWA | IOWA CITY | IA | PHYSICIAN ASSISTANT | 1902 | 187 | $143,381 | $767 | premium | 34.6% | (319) 678-8201 |
| 33 | UMASS MEMORIAL MEDICAL GROUP INC | WORCESTER | MA | PHYSICIAN ASSISTANT | 2483 | 183 | $110,166 | $602 | premium | 4.9% | (508) 334-1000 |
| 34 | RADIOLOGY ASSOCIATES OF NORTH TEXAS PA | FORT WORTH | TX | DIAGNOSTIC RADIOLOGY | 340 | 179 | $113,613 | $635 | premium | 2.7% | (817) 321-0470 |
| 35 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 169 | $234,015 | $1,385 | premium | 2.5% | (916) 681-8852 |
| 36 | SOUTHWEST NEURO-IMAGING LTD | PHOENIX | AZ | DIAGNOSTIC RADIOLOGY | 8 | 169 | $87,072 | $515 | premium | 9.2% | (602) 954-6228 |
| 37 | NEURO IR OF EAST TEXAS | TYLER | TX | DIAGNOSTIC RADIOLOGY | 3 | 169 | $104,949 | $621 | premium | 2.6% | (903) 705-0072 |
| 38 | ADVANCED RADIOLOGY P A | BALTIMORE | MD | DIAGNOSTIC RADIOLOGY | 161 | 159 | $262,827 | $1,653 | premium | 8.8% | (888) 972-9700 |
| 39 | SCOTT AND WHITE CLINIC | TEMPLE | TX | PHYSICIAN ASSISTANT | 2435 | 158 | $89,112 | $564 | premium | 2.4% | (254) 724-2663 |
| 40 | UNIVERSITY OF ARKANSAS FOR MEDICAL SCIENCES | LITTLE ROCK | AR | NURSE PRACTITIONER | 1241 | 155 | $66,340 | $428 | premium | 37.6% | (501) 686-8000 |
| 41 | DIGNITY HEALTH MEDICAL FOUNDATION | FOLSOM | CA | DIAGNOSTIC RADIOLOGY | 1197 | 154 | $111,086 | $721 | premium | 2.3% | (916) 983-7476 |
| 42 | SDMI, LLC | LAS VEGAS | NV | DIAGNOSTIC RADIOLOGY | 36 | 150 | $203,790 | $1,359 | premium | 28.8% | (702) 732-6000 |
| 43 | RADIOLOGY PHYSICIANS INC | DAYTON | OH | DIAGNOSTIC RADIOLOGY | 61 | 141 | $63,732 | $452 | premium | 5.9% | (937) 208-8000 |
| 44 | RADIOLOGY LTD LLC | TUCSON | AZ | DIAGNOSTIC RADIOLOGY | 102 | 140 | $403,897 | $2,885 | premium | 7.6% | (520) 290-4842 |
| 45 | UNIVERSITY OF UTAH ADULT SERVICES | SALT LAKE CITY | UT | PHYSICIAN ASSISTANT | 1783 | 140 | $71,186 | $508 | premium | 31.7% | (801) 581-2121 |
| 46 | UNIVERSITY OF CINCINNATI PHYSICIANS COMPANY LLC | CINCINNATI | OH | NURSE PRACTITIONER | 1504 | 139 | $47,538 | $342 | premium | 5.9% | (513) 584-1000 |
| 47 | RADIOLOGY SUBSPECIALISTS OF NORTHERN ILLINOIS LLC | GENEVA | IL | DIAGNOSTIC RADIOLOGY | 32 | 137 | $123,700 | $903 | premium | 3.9% | (630) 208-4412 |
| 48 | UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL | CHAPEL HILL | NC | NURSE PRACTITIONER | 2120 | 137 | $50,827 | $371 | premium | 6.5% | (984) 215-5556 |
| 49 | NEURO INTERVENTIONAL AND DIAGNOSTIC ASSOCIATES, PC | LEES SUMMIT | MO | DIAGNOSTIC RADIOLOGY | 5 | 134 | $61,774 | $461 | premium | 6.3% | (816) 347-5000 |
| 50 | COMMONWEALTH RADIOLOGY PC | RICHMOND | VA | DIAGNOSTIC RADIOLOGY | 49 | 133 | $33,250 | $250 | premium | 5.8% | (804) 288-8327 |
| 51 | RADIOLOGY CONSULTANTS PC | OMAHA | NE | DIAGNOSTIC RADIOLOGY | 46 | 130 | $54,080 | $416 | premium | 22.8% | (402) 717-4760 |
| 52 | STONY BROOK RADIOLOGY, UNIVERSITY FACULTY PRACTICE CORPORATION | STONY BROOK | NY | DIAGNOSTIC RADIOLOGY | 59 | 130 | $92,166 | $709 | premium | 1.9% | (631) 638-2121 |
| 53 | HARVARD MEDICAL FACULTY PHYS AT BETH ISRAEL DEACONESS MED CTR INC | BOSTON | MA | INTERNAL MEDICINE | 1689 | 130 | $47,580 | $366 | premium | 3.5% | (781) 983-9088 |
| 54 | NORTHSIDE RADIOLOGY ASSOCIATES LLC | ATLANTA | GA | DIAGNOSTIC RADIOLOGY | 370 | 130 | $213,850 | $1,645 | premium | 9.2% | (404) 851-6577 |
| 55 | HAMPTON ROADS RADIOLOGY ASSOCIATES PC | VIRGINIA BEACH | VA | DIAGNOSTIC RADIOLOGY | 37 | 123 | $54,366 | $442 | premium | 5.4% | (757) 916-9630 |
| 56 | LAKELAND RADIOLOGISTS P A | FLOWOOD | MS | DIAGNOSTIC RADIOLOGY | 29 | 123 | $70,110 | $570 | premium | 19.3% | (601) 936-2390 |
| 57 | UNIVERSITY HOSPITALS MEDICAL GROUP INC | CLEVELAND | OH | NURSE PRACTITIONER | 2232 | 120 | $40,440 | $337 | premium | 5.1% | — |
| 58 | KANSAS UNIVERSITY PHYSICIANS INC | KANSAS CITY | KS | NURSE PRACTITIONER | 1815 | 117 | $31,453 | $269 | premium | 15.7% | (913) 588-1227 |
| 59 | CENTRAL ILLINOIS RADIOLOGICAL ASSOCIATES LTD | PEORIA | IL | DIAGNOSTIC RADIOLOGY | 196 | 116 | $79,228 | $683 | premium | 3.3% | (309) 655-2000 |
| 60 | PROGRESSIVE PHYSICIAN ASSOC INC | PHILLIPSBURG | PA | DIAGNOSTIC RADIOLOGY | 160 | 116 | $56,840 | $490 | premium | 4.1% | (908) 859-6700 |
| 61 | BASHA DIAGNOSTICS P C | ROYAL OAK | MI | DIAGNOSTIC RADIOLOGY | 25 | 115 | $110,565 | $961 | premium | 3.6% | (248) 288-1600 |
| 62 | LAHEY CLINIC INC | BURLINGTON | MA | NURSE PRACTITIONER | 1400 | 113 | $57,379 | $508 | premium | 3.0% | — |
| 63 | NEW YORK UNIVERSITY | NEW YORK | PA | DIAGNOSTIC RADIOLOGY | 5704 | 111 | $346,525 | $3,122 | premium | 3.9% | (212) 263-9700 |
| 64 | MINNEAPOLIS CLINIC OF NEUROLOGY LTD | GOLDEN VALLEY | MN | NEUROLOGY | 72 | 108 | $316,764 | $2,933 | premium | 3.9% | (763) 588-0661 |
| 65 | MEDICAL CENTER RADIOLOGISTS INC | NORFOLK | VA | DIAGNOSTIC RADIOLOGY | 123 | 108 | $37,692 | $349 | premium | 4.7% | (757) 466-6870 |
| 66 | MERCY CLINIC SPRINGFIELD COMMUNITIES | SPRINGFIELD | MO | PHYSICIAN ASSISTANT | 1128 | 106 | $45,262 | $427 | premium | 5.0% | — |
| 67 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | PA | NURSE PRACTITIONER | 4339 | 105 | $69,405 | $661 | premium | 3.7% | — |
| 68 | BRIGHAM AND WOMENS PHYSICIANS ORGANIZATION INC | BOSTON | NY | PHYSICIAN ASSISTANT | 2942 | 104 | $60,112 | $578 | premium | 1.5% | (617) 732-5500 |
| 69 | WASHINGTON UNIVERSITY | SAINT LOUIS | MO | NURSE PRACTITIONER | 3070 | 101 | $87,668 | $868 | premium | 4.7% | (314) 747-3000 |
| 70 | OU HEALTH PARTNERS INC | OKLAHOMA CITY | OK | PHYSICIAN ASSISTANT | 1160 | 100 | $45,934 | $459 | premium | 25.4% | (405) 271-4311 |
| 71 | RADIOLOGY ASSOCIATES OF RICHMOND INC | RICHMOND | VA | DIAGNOSTIC RADIOLOGY | 70 | 99 | $46,097 | $466 | premium | 4.3% | (804) 272-8806 |
| 72 | EVANSVILLE RADIOLOGY PC | EVANSVILLE | IN | DIAGNOSTIC RADIOLOGY | 29 | 99 | $74,052 | $748 | premium | 11.9% | (812) 422-3254 |
| 73 | SIMONMED IMAGING FLORIDA LLC | ORLANDO | FL | DIAGNOSTIC RADIOLOGY | 273 | 97 | $197,245 | $2,033 | premium | 2.3% | (407) 608-6800 |
| 74 | STATE OF MISSISSIPPI - UNIVERSITY OF MISSISSIPPI MEDICAL CENTER | JACKSON | MS | NURSE PRACTITIONER | 951 | 93 | $48,918 | $526 | premium | 14.6% | (601) 815-4775 |
| 75 | SANFORD CLINIC | SIOUX FALLS | SD | DIAGNOSTIC RADIOLOGY | 276 | 93 | $62,310 | $670 | premium | 29.9% | (605) 328-8700 |
| 76 | UNMC PHYSICIANS | OMAHA | NE | PHYSICIAN ASSISTANT | 1514 | 92 | $36,128 | $393 | premium | 16.2% | (402) 559-4000 |
| 77 | COMMUNITY RADIOLOGY ASSOCIATES INC | FREDERICK | MD | DIAGNOSTIC RADIOLOGY | 62 | 92 | $152,076 | $1,653 | premium | 5.1% | (888) 601-0943 |
| 78 | RUSH UNIVERSITY MEDICAL GROUP | CHICAGO | IL | PHYSICIAN ASSISTANT | 1496 | 92 | $33,856 | $368 | premium | 2.6% | (312) 563-2875 |
| 79 | TOLEDO RADIOLOGICAL ASSOCIATES INC | COLDWATER | OH | DIAGNOSTIC RADIOLOGY | 51 | 92 | $30,912 | $336 | premium | 3.9% | (517) 279-5400 |
| 80 | RED RIVER CONSULTANTS INC | SHREVEPORT | LA | DIAGNOSTIC RADIOLOGY | 60 | 92 | $46,276 | $503 | premium | 15.4% | (318) 212-4550 |
| 81 | BEVERLY RADIOLOGY MEDICAL GROUP III | GARDEN GROVE | CA | DIAGNOSTIC RADIOLOGY | 328 | 91 | $194,144 | $2,133 | premium | 1.4% | — |
| 82 | EASTERN RADIOLOGISTS INC | GREENVILLE | NC | DIAGNOSTIC RADIOLOGY | 93 | 90 | $34,920 | $388 | premium | 4.3% | (252) 752-5000 |
| 83 | SPRINGFIELD CLINIC, LLP | SPRINGFIELD | IL | NURSE PRACTITIONER | 686 | 90 | $242,418 | $2,694 | premium | 2.6% | (217) 544-6464 |
| 84 | LOYOLA UNIVERSITY MEDICAL CENTER | MAYWOOD | IL | NURSE PRACTITIONER | 933 | 89 | $44,144 | $496 | premium | 2.6% | (708) 216-8372 |
| 85 | WEST VIRGINIA UNIVERSITY MEDICAL CORPORATION | MORGANTOWN | WV | PHYSICIAN ASSISTANT | 1996 | 89 | $34,176 | $384 | premium | 42.6% | (304) 598-4865 |
| 86 | UNIVERSITY PROFESSIONAL SERVICES | PORTLAND | OR | PHYSICIAN ASSISTANT | 1717 | 87 | $26,472 | $304 | premium | 11.7% | (503) 494-8311 |
| 87 | CHARLOTTE RADIOLOGY PA | CHARLOTTE | NC | DIAGNOSTIC RADIOLOGY | 218 | 86 | $54,782 | $637 | premium | 4.1% | (704) 362-1945 |
| 88 | UNIVERSITY OF MIAMI | MIAMI | FL | NURSE PRACTITIONER | 2331 | 86 | $37,496 | $436 | premium | 2.1% | (305) 689-5437 |
| 89 | KETTERING NETWORK RADIOLOGISTS INC | DAYTON | OH | DIAGNOSTIC RADIOLOGY | 74 | 82 | $41,738 | $509 | premium | 3.5% | (937) 558-3800 |
| 90 | VISTA RADIOLOGY, PC | KNOXVILLE | TN | DIAGNOSTIC RADIOLOGY | 68 | 79 | $44,326 | $561 | premium | 5.0% | (865) 546-9484 |
| 91 | JOHNS HOPKINS UNIVERSITY | BALTIMORE | MD | NURSE PRACTITIONER | 2900 | 79 | $108,024 | $1,367 | premium | 4.4% | (410) 502-4340 |
| 92 | MECKLENBURG RADIOLOGY ASSOCIATES PA | CHARLOTTE | NC | DIAGNOSTIC RADIOLOGY | 94 | 78 | $29,562 | $379 | premium | 3.7% | (704) 332-1291 |
| 93 | SCRIPPS HEALTH | LA JOLLA | CA | PHYSICIAN ASSISTANT | 1431 | 77 | $75,429 | $980 | premium | 1.1% | (858) 455-9100 |
| 94 | NEW YORK UNIVERSITY | NEW YORK | WA | DIAGNOSTIC RADIOLOGY | 5704 | 76 | $285,851 | $3,761 | premium | 6.0% | (212) 263-9700 |
| 95 | CLEVELAND CLINIC FLORIDA | WESTON | FL | NURSE PRACTITIONER | 720 | 75 | $105,460 | $1,406 | premium | 1.8% | (954) 659-5000 |
| 96 | NEW YORK UNIVERSITY | NEW YORK | CO | DIAGNOSTIC RADIOLOGY | 5704 | 73 | $268,955 | $3,684 | premium | 5.5% | (212) 263-9700 |
| 97 | DIAGNOSTIC X-RAY PHYSICIANS, PSC | LOUISVILLE | KY | DIAGNOSTIC RADIOLOGY | 36 | 72 | $32,688 | $454 | premium | 13.9% | (502) 893-1000 |
| 98 | OPTUM MEDICAL CARE PC | MOUNT KISCO | NY | INTERNAL MEDICINE | 1040 | 71 | $97,964 | $1,380 | premium | 1.0% | (914) 241-1050 |
| 99 | BLUE RIDGE RADIOLOGY PC | LYNCHBURG | TN | DIAGNOSTIC RADIOLOGY | 76 | 70 | $28,970 | $414 | premium | 4.5% | (423) 968-1144 |
| 100 | SPARTANBURG MEDICAL CENTER | SPARTANBURG | SC | NURSE PRACTITIONER | 1070 | 70 | $25,098 | $359 | premium | 5.6% | (864) 587-3000 |
Showing the top 100 of 362 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 →