72129 — Ct scan of middle spine with contrast
7,842 observed fee-for-service (50%) · ~7,938 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 | 72129 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | OU HEALTH PARTNERS INC | OKLAHOMA CITY | OK | PHYSICIAN ASSISTANT | 1160 | 545 | $133,531 | $245 | premium | 41.1% | (405) 271-4311 |
| 2 | RADIOLOGY CONSULTANTS OF TULSA, INC. | TULSA | OK | DIAGNOSTIC RADIOLOGY | 34 | 533 | $94,474 | $177 | premium | 40.2% | (918) 743-8838 |
| 3 | ASSOCIATION OF UNIVERSITY RADIOLOGISTS, PC | KNOXVILLE | TN | DIAGNOSTIC RADIOLOGY | 35 | 416 | $91,104 | $219 | premium | 16.9% | (865) 305-9661 |
| 4 | VANDERBILT UNIVERSITY MEDICAL CENTER | NASHVILLE | TN | NURSE PRACTITIONER | 3394 | 339 | $142,041 | $419 | premium | 13.7% | (615) 322-5000 |
| 5 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 334 | $112,843 | $338 | premium | 22.8% | (916) 681-8852 |
| 6 | UNIVERSITY OF MARYLAND DIAGNOSTIC IMAGING SPECIALISTS P A | BALTIMORE | MD | DIAGNOSTIC RADIOLOGY | 83 | 263 | $69,432 | $264 | premium | 30.2% | (410) 328-5700 |
| 7 | MEDICAL IMAGING OF LEHIGH VALLEY PC | ALLENTOWN | PA | DIAGNOSTIC RADIOLOGY | 119 | 243 | $41,310 | $170 | premium | 8.9% | (610) 770-1606 |
| 8 | YALE UNIVERSITY | NEW HAVEN | CT | PHYSICIAN ASSISTANT | 2649 | 240 | $64,800 | $270 | premium | 54.4% | (203) 688-4242 |
| 9 | ADVANCED RADIOLOGY SERVICES PC | GRAND RAPIDS | MI | DIAGNOSTIC RADIOLOGY | 249 | 223 | $52,851 | $237 | premium | 14.5% | (616) 363-7272 |
| 10 | RADIOLOGY OF HUNSTVILLE PC | HUNTSVILLE | AL | DIAGNOSTIC RADIOLOGY | 63 | 174 | $31,320 | $180 | premium | 39.5% | 2565390457145 |
| 11 | LESTER E COX MEDICAL CENTERS | SPRINGFIELD | MO | PHYSICIAN ASSISTANT | 251 | 142 | $28,798 | $203 | premium | 19.5% | (417) 875-3000 |
| 12 | UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL | CHAPEL HILL | NC | NURSE PRACTITIONER | 2120 | 140 | $30,814 | $220 | premium | 12.6% | (984) 215-5556 |
| 13 | MEDICAL IMAGING OF LEHIGH VALLEY PC | ALLENTOWN | NJ | DIAGNOSTIC RADIOLOGY | 119 | 129 | $21,930 | $170 | premium | 18.8% | (610) 770-1606 |
| 14 | UNMC PHYSICIANS | OMAHA | NE | PHYSICIAN ASSISTANT | 1514 | 126 | $23,688 | $188 | premium | 64.0% | (402) 559-4000 |
| 15 | THE EMORY CLINIC INC | ATLANTA | VA | NURSE PRACTITIONER | 3484 | 125 | $99,375 | $795 | premium | 9.0% | (404) 778-7525 |
| 16 | RADIOLOGY ASSOCIATES OF NORTH TEXAS PA | FORT WORTH | TX | DIAGNOSTIC RADIOLOGY | 340 | 123 | $27,806 | $226 | premium | 8.3% | (817) 321-0470 |
| 17 | RADIOLOGY INC | HUNTINGTON | WV | DIAGNOSTIC RADIOLOGY | 28 | 115 | $30,245 | $263 | premium | 78.2% | (304) 526-1140 |
| 18 | JACKSON RADIOLOGY CONSULTANTS P C | JACKSON | MI | DIAGNOSTIC RADIOLOGY | 11 | 114 | $32,810 | $288 | premium | 7.4% | (517) 783-2612 |
| 19 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 112 | $49,056 | $438 | premium | 9.4% | (212) 263-9700 |
| 20 | STANFORD HEALTH CARE | STANFORD | CA | DIAGNOSTIC RADIOLOGY | 3039 | 111 | $100,307 | $904 | premium | 7.6% | (650) 723-4000 |
| 21 | HUDSON VALLEY RADIOLOGISTS PC | POUGHKEEPSIE | NY | DIAGNOSTIC RADIOLOGY | 27 | 100 | $23,500 | $235 | premium | 8.4% | (845) 790-5700 |
| 22 | DUKE HEALTH INTEGRATED PRACTICE INC | DURHAM | NC | PHYSICIAN ASSISTANT | 3051 | 92 | $34,316 | $373 | premium | 8.3% | (919) 684-8111 |
| 23 | SPRINGFIELD CLINIC, LLP | SPRINGFIELD | IL | NURSE PRACTITIONER | 686 | 89 | $33,909 | $381 | premium | 19.7% | (217) 544-6464 |
| 24 | SPRINGFIELD CLINIC, LLP | SPRINGFIELD | MO | NURSE PRACTITIONER | 686 | 82 | $31,242 | $381 | premium | 11.2% | (217) 544-6464 |
| 25 | HURON VALLEY RADIOLOGY PC | YPSILANTI | MI | DIAGNOSTIC RADIOLOGY | 77 | 81 | $16,443 | $203 | premium | 5.3% | (734) 712-8350 |
| 26 | MASS GENERAL BRIGHAM COMMUNITY PHYSICIANS INC | MEDFORD | MI | DIAGNOSTIC RADIOLOGY | 424 | 79 | $20,143 | $255 | premium | 5.1% | (781) 395-4909 |
| 27 | RADIOLOGISTS OF UNIV OF ROCHESTER | ROCHESTER | NY | DIAGNOSTIC RADIOLOGY | 134 | 73 | $18,111 | $248 | premium | 6.1% | — |
| 28 | LUBBOCK COUNTY HOSPITAL DISTRICT | LUBBOCK | TX | DIAGNOSTIC RADIOLOGY | 96 | 65 | $15,665 | $241 | premium | 4.4% | (806) 775-8200 |
| 29 | SOUTH SHORE RADIOLOGICAL ASSOCIATES INC | SOUTH WEYMOUTH | MA | DIAGNOSTIC RADIOLOGY | 36 | 64 | $12,928 | $202 | premium | 2.4% | (781) 340-8000 |
| 30 | DIAGNOSTIC IMAGING ALLIANCE OF LOUISVILLE PSC | LOUISVILLE | KY | DIAGNOSTIC RADIOLOGY | 28 | 64 | $9,856 | $154 | premium | 24.8% | (502) 896-2120 |
| 31 | COLUMBUS RADIOLOGY CORP | COLUMBUS | OH | DIAGNOSTIC RADIOLOGY | 288 | 59 | $46,905 | $795 | premium | 11.4% | (614) 228-7231 |
| 32 | SUSQUEHANNA IMAGING ASSOCIATES, INC. | WILLIAMSPORT | PA | DIAGNOSTIC RADIOLOGY | 8 | 59 | $13,511 | $229 | premium | 2.2% | (570) 326-8171 |
| 33 | HENRY FORD HEALTH SYSTEM | DETROIT | MI | PHYSICIAN ASSISTANT | 2536 | 51 | $11,475 | $225 | premium | 3.3% | (313) 916-2600 |
| 34 | ROME RADIOLOGY GROUP PA | ROME | MN | DIAGNOSTIC RADIOLOGY | 24 | 50 | $15,150 | $303 | premium | 11.0% | (706) 233-8510 |
| 35 | RADIOLOGY AND IMAGING INC | SPRINGFIELD | MA | DIAGNOSTIC RADIOLOGY | 60 | 48 | $9,072 | $189 | premium | 1.8% | (413) 827-7400 |
| 36 | FAIRFAX RADIOLOGICAL CONSULTANTS | ALEXANDRIA | VA | DIAGNOSTIC RADIOLOGY | 150 | 46 | $16,790 | $365 | premium | 3.3% | (703) 698-4444 |
| 37 | MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC | BOSTON | MA | DIAGNOSTIC RADIOLOGY | 3532 | 45 | $11,607 | $258 | premium | 1.7% | (617) 724-0287 |
| 38 | HOUSTON RADIOLOGY ASSOCIATED | HOUSTON | TX | DIAGNOSTIC RADIOLOGY | 103 | 44 | $19,076 | $434 | premium | 3.0% | (281) 206-9020 |
| 39 | RIVERSIDE RADIOLOGY AND INTERVENTIONAL ASSOCIATES INC | COLUMBUS | OH | DIAGNOSTIC RADIOLOGY | 243 | 43 | $11,610 | $270 | premium | 8.3% | (614) 566-5600 |
| 40 | UNIVERSITY OF LOUISVILLE PHYSICIANS INC | LOUISVILLE | KY | NURSE PRACTITIONER | 1442 | 43 | $6,364 | $148 | premium | 16.7% | (502) 629-2398 |
| 41 | NEW YORK UNIVERSITY | NEW YORK | LA | DIAGNOSTIC RADIOLOGY | 5704 | 41 | $17,958 | $438 | premium | 27.9% | (212) 263-9700 |
| 42 | MAYO CLINIC JACKSONVILLE | JACKSONVILLE | FL | NURSE PRACTITIONER | 1587 | 40 | $16,760 | $419 | premium | 5.3% | (904) 953-2000 |
| 43 | UNMC PHYSICIANS | OMAHA | AZ | PHYSICIAN ASSISTANT | 1514 | 39 | $7,332 | $188 | premium | 2.8% | (402) 559-4000 |
| 44 | SALVATORE J PALUMBO, MD, PC | WEST ISLIP | NY | NEUROSURGERY | 2 | 38 | $15,200 | $400 | premium | 3.2% | (631) 482-9977 |
| 45 | UNIVERSITY OF LOUISVILLE PHYSICIANS INC | LOUISVILLE | MO | NURSE PRACTITIONER | 1442 | 37 | $5,476 | $148 | premium | 5.1% | (502) 629-2398 |
| 46 | GOLDEN STATE IMAGING ASSOCIATES INC | FOUNTAIN VALLEY | CA | DIAGNOSTIC RADIOLOGY | 240 | 37 | $29,415 | $795 | premium | 2.5% | (818) 639-2901 |
| 47 | JOHNS HOPKINS UNIVERSITY | WASHINGTON | MA | MEDICAL ONCOLOGY | 196 | 37 | $11,877 | $321 | premium | 1.4% | (202) 537-4000 |
| 48 | MAYO CLINIC | ROCHESTER | MN | NURSE PRACTITIONER | 4896 | 36 | $20,888 | $580 | premium | 7.9% | (507) 284-2511 |
| 49 | YALE UNIVERSITY | NEW HAVEN | MD | PHYSICIAN ASSISTANT | 2649 | 35 | $9,450 | $270 | premium | 4.0% | (203) 688-4242 |
| 50 | NEUROMEDICAL CENTER | BATON ROUGE | LA | PHYSICIAN ASSISTANT | 108 | 33 | $12,309 | $373 | premium | 22.4% | 22576922002164 |
| 51 | NORTH BROWARD RADIOLOGISTS, P.A. | FORT LAUDERDALE | IL | DIAGNOSTIC RADIOLOGY | 23 | 32 | $7,744 | $242 | premium | 7.1% | (954) 262-1140 |
| 52 | WASHINGTON UNIVERSITY | SAINT LOUIS | MO | NURSE PRACTITIONER | 3070 | 31 | $13,981 | $451 | premium | 4.2% | (314) 747-3000 |
| 53 | UMASS MEMORIAL MEDICAL GROUP INC | WORCESTER | MA | PHYSICIAN ASSISTANT | 2483 | 31 | $8,835 | $285 | premium | 1.2% | (508) 334-1000 |
| 54 | SUSQUEHANNA IMAGING ASSOCIATES, INC. | WILLIAMSPORT | NY | DIAGNOSTIC RADIOLOGY | 8 | 31 | $7,099 | $229 | premium | 2.6% | (570) 326-8171 |
| 55 | KETTERING NETWORK RADIOLOGISTS INC | DAYTON | OH | DIAGNOSTIC RADIOLOGY | 74 | 30 | $7,230 | $241 | premium | 5.8% | (937) 558-3800 |
| 56 | RADIOLOGY ASSOCIATES OF KEENE PC | KEENE | CT | DIAGNOSTIC RADIOLOGY | 5 | 30 | $8,070 | $269 | premium | 6.8% | (603) 354-6580 |
| 57 | EVANSVILLE RADIOLOGY PC | EVANSVILLE | OK | DIAGNOSTIC RADIOLOGY | 29 | 29 | $4,988 | $172 | premium | 2.2% | (812) 422-3254 |
| 58 | UNM MEDICAL GROUP INC | ALBUQUERQUE | NM | FAMILY PRACTICE | 1089 | 29 | $12,151 | $419 | premium | 19.1% | (505) 272-2111 |
| 59 | UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL CENTER AT DALLAS | DALLAS | TX | PHYSICIAN ASSISTANT | 3200 | 29 | $5,858 | $202 | premium | 2.0% | (214) 633-5555 |
| 60 | ARROWHEAD RADIOLOGY MEDICAL GROUP INC | COLTON | CA | DIAGNOSTIC RADIOLOGY | 10 | 28 | $4,956 | $177 | premium | 1.9% | (909) 580-1520 |
| 61 | LEHIGH VALLEY PHYSICIAN GROUP | ALLENTOWN | OH | PHYSICIAN ASSISTANT | 2389 | 28 | $4,760 | $170 | premium | 5.4% | — |
| 62 | KETTERING NETWORK RADIOLOGISTS INC | DAYTON | KY | DIAGNOSTIC RADIOLOGY | 74 | 27 | $6,507 | $241 | premium | 10.5% | (937) 558-3800 |
| 63 | CLEVELAND CLINIC | CLEVELAND | OH | PHYSICIAN ASSISTANT | 6828 | 27 | $10,719 | $397 | premium | 5.2% | — |
| 64 | NEW YORK UNIVERSITY | NEW YORK | IL | DIAGNOSTIC RADIOLOGY | 5704 | 27 | $11,826 | $438 | premium | 6.0% | (212) 263-9700 |
| 65 | KIMON BEKELIS PHYSICIAN P C | BABYLON | NY | NEUROSURGERY | 5 | 26 | $10,400 | $400 | premium | 2.2% | (631) 482-9977 |
| 66 | KANSAS UNIVERSITY PHYSICIANS INC | KANSAS CITY | KS | NURSE PRACTITIONER | 1815 | 25 | $3,598 | $144 | premium | 100.0% | (913) 588-1227 |
| 67 | UNMC PHYSICIANS | OMAHA | VA | PHYSICIAN ASSISTANT | 1514 | 25 | $4,700 | $188 | premium | 1.8% | (402) 559-4000 |
| 68 | SPRINGFIELD NEUROLOGICAL AND SPINE INSTITUTE | SPRINGFIELD | MO | NEUROSURGERY | 15 | 25 | $6,920 | $277 | premium | 3.4% | (417) 885-3888 |
| 69 | TRA-MINW P S | TACOMA | OK | DIAGNOSTIC RADIOLOGY | 153 | 25 | $4,300 | $172 | premium | 1.9% | (253) 841-4353 |
| 70 | RADIOLOGY ASSOCIATES OF KEENE PC | KEENE | NH | DIAGNOSTIC RADIOLOGY | 5 | 24 | $6,456 | $269 | premium | 100.0% | (603) 354-6580 |
| 71 | UNIVERSITY OF CINCINNATI PHYSICIANS COMPANY LLC | CINCINNATI | OH | NURSE PRACTITIONER | 1504 | 24 | $4,104 | $171 | premium | 4.6% | (513) 584-1000 |
| 72 | X-RAY ASSOCIATES OF LOUISVILLE PSC | LOUISVILLE | KY | DIAGNOSTIC RADIOLOGY | 55 | 23 | $8,402 | $365 | premium | 8.9% | (502) 897-8121 |
| 73 | MASS GENERAL BRIGHAM COMMUNITY PHYSICIANS INC | MEDFORD | MA | DIAGNOSTIC RADIOLOGY | 424 | 23 | $6,002 | $261 | premium | 0.9% | (781) 395-4909 |
| 74 | SCRIPPS HEALTH | LA JOLLA | WI | PHYSICIAN ASSISTANT | 1431 | 22 | $13,838 | $629 | premium | 44.0% | (858) 455-9100 |
| 75 | UNMC PHYSICIANS | OMAHA | CO | PHYSICIAN ASSISTANT | 1514 | 22 | $4,260 | $194 | premium | 6.5% | (402) 559-4000 |
| 76 | BOULDER RADIOLOGISTS INC P C | BOULDER | CO | DIAGNOSTIC RADIOLOGY | 13 | 22 | $4,488 | $204 | premium | 6.5% | (303) 465-0401 |
| 77 | SUSQUEHANNA IMAGING ASSOCIATES, INC. | WILLIAMSPORT | MD | DIAGNOSTIC RADIOLOGY | 8 | 22 | $5,038 | $229 | premium | 2.5% | (570) 326-8171 |
| 78 | NEW YORK UNIVERSITY | NEW YORK | TN | DIAGNOSTIC RADIOLOGY | 5704 | 22 | $9,636 | $438 | premium | 0.9% | (212) 263-9700 |
| 79 | INTELLIRAD IMAGING LLC | MIAMI | FL | DIAGNOSTIC RADIOLOGY | 61 | 21 | $4,935 | $235 | premium | 2.8% | (305) 854-4400 |
| 80 | KETTERING NETWORK RADIOLOGISTS INC | DAYTON | CA | DIAGNOSTIC RADIOLOGY | 74 | 21 | $5,061 | $241 | premium | 1.4% | (937) 558-3800 |
| 81 | DIAGNOSTIC IMAGING SERVICES LLC | HAGERSTOWN | MD | DIAGNOSTIC RADIOLOGY | 17 | 20 | $2,400 | $120 | premium | 2.3% | (301) 714-4200 |
| 82 | UNMC PHYSICIANS | OMAHA | TN | PHYSICIAN ASSISTANT | 1514 | 20 | $8,170 | $408 | premium | 0.8% | (402) 559-4000 |
| 83 | LIMA RADIOLOGICAL ASSOCIATES | LIMA | OH | DIAGNOSTIC RADIOLOGY | 47 | 19 | $4,636 | $244 | premium | 3.7% | (419) 226-9023 |
| 84 | LUBBOCK COUNTY HOSPITAL DISTRICT | LUBBOCK | OK | DIAGNOSTIC RADIOLOGY | 96 | 19 | $4,579 | $241 | premium | 1.4% | (806) 775-8200 |
| 85 | RADIOLOGY CONSULTANTS PC | OMAHA | TX | DIAGNOSTIC RADIOLOGY | 46 | 18 | $2,754 | $153 | premium | 1.2% | (402) 717-4760 |
| 86 | RHODE ISLAND MEDICAL IMAGING INC | EAST PROVIDENCE | RI | DIAGNOSTIC RADIOLOGY | 109 | 18 | $4,364 | $242 | premium | 38.3% | (401) 626-3900 |
| 87 | RADIOLOGY OF HUNSTVILLE PC | HUNTSVILLE | MO | DIAGNOSTIC RADIOLOGY | 63 | 18 | $3,240 | $180 | premium | 2.5% | 2565390457145 |
| 88 | UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL CENTER AT DALLAS | DALLAS | CA | PHYSICIAN ASSISTANT | 3200 | 18 | $3,636 | $202 | premium | 1.2% | (214) 633-5555 |
| 89 | RADIOLOGY REGIONAL CENTER P A | FORT MYERS | MI | DIAGNOSTIC RADIOLOGY | 52 | 17 | $4,029 | $237 | premium | 1.1% | (239) 936-2316 |
| 90 | ASPIRUS RHINELANDER AND TOMAHAWK HOSPITALS AND CLINICS, INC. | RHINELANDER | WI | NURSE PRACTITIONER | 528 | 17 | $10,693 | $629 | premium | 34.0% | (715) 361-4700 |
| 91 | KETTERING NETWORK RADIOLOGISTS INC | DAYTON | CT | DIAGNOSTIC RADIOLOGY | 74 | 17 | $4,097 | $241 | premium | 3.9% | (937) 558-3800 |
| 92 | RADIOLOGY AND IMAGING SPECIALISTS OF LAKELAND | LAKELAND | TN | DIAGNOSTIC RADIOLOGY | 71 | 17 | $7,123 | $419 | premium | 0.7% | (863) 687-1100 |
| 93 | MEDICAL SCANNING CONSULTANTS PA | ST LOUIS PARK | IN | DIAGNOSTIC RADIOLOGY | 81 | 16 | $19,420 | $1,214 | premium | 8.3% | (952) 541-1840 |
| 94 | PRATT RADIOLOGY ASSOCIATES INC | BOSTON | MA | DIAGNOSTIC RADIOLOGY | 58 | 16 | $4,060 | $254 | premium | 0.6% | (617) 636-5000 |
| 95 | NORTHERN VIRGINIA RADIOLOGY CONSULTANTS, PLLC | ARLINGTON | VA | DIAGNOSTIC RADIOLOGY | 28 | 16 | $2,115 | $132 | premium | 1.1% | (517) 481-2442 |
| 96 | LUBBOCK COUNTY HOSPITAL DISTRICT | LUBBOCK | TN | DIAGNOSTIC RADIOLOGY | 96 | 16 | $3,856 | $241 | premium | 0.6% | (806) 775-8200 |
| 97 | RADIOLOGY IMAGING ASSOCIATES OF OAK RIDGE PC | OAK RIDGE | RI | DIAGNOSTIC RADIOLOGY | 18 | 16 | $3,536 | $221 | premium | 34.0% | 86673056192240 |
| 98 | JOHNS HOPKINS UNIVERSITY | BALTIMORE | MD | NURSE PRACTITIONER | 2900 | 15 | $4,815 | $321 | premium | 1.7% | (410) 502-4340 |
| 99 | TEXAS TECH UNIVERSITY HEALTH SCIENCES CENTER EL PASO | EL PASO | TX | NURSE PRACTITIONER | 306 | 15 | $2,295 | $153 | premium | 1.0% | (915) 215-5200 |
| 100 | NEW YORK UNIVERSITY | NEW YORK | MN | DIAGNOSTIC RADIOLOGY | 5704 | 15 | $6,570 | $438 | premium | 3.3% | (212) 263-9700 |
Showing the top 100 of 105 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 →