63650 — Insertion of spinal neurostimulator electrode array through skin
29,788 observed fee-for-service (49%) · ~30,728 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 | 63650 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | MARK MALONE MD PA | AUSTIN | TX | PHYSICIAN ASSISTANT | 95 | 781 | $5,192,931 | $6,649 | premium | 6.2% | (512) 244-4272 |
| 2 | NURA PLLC | EDINA | MN | PHYSICIAN ASSISTANT | 36 | 439 | $694,059 | $1,581 | premium | 18.1% | (763) 537-6000 |
| 3 | METHODIST PHYSICIAN PRACTICES PLLC | SAN ANTONIO | TX | INTERVENTIONAL CARDIOLOGY | 169 | 296 | $391,236 | $1,322 | premium | 2.3% | (210) 575-8289 |
| 4 | OKLAHOMA PAIN MANAGEMENT PLLC | OKLAHOMA CITY | OK | NURSE PRACTITIONER | 8 | 293 | $789,997 | $2,696 | premium | 10.2% | (405) 242-4100 |
| 5 | CAROLINA ORTHOPAEDIC AND NEUROSURGICAL ASSOCIATES | SPARTANBURG | SC | PHYSICIAN ASSISTANT | 60 | 279 | $3,580,620 | $12,834 | premium | 17.2% | (864) 582-6396 |
| 6 | ORTHOLONESTAR PLLC | DALLAS | TX | PHYSICIAN ASSISTANT | 407 | 271 | $1,620,309 | $5,979 | premium | 2.1% | (214) 220-2468 |
| 7 | SHADELAND ANESTHESIA AND PAIN ASSOCIATES INC | LAFAYETTE | IN | NURSE PRACTITIONER | 40 | 266 | $2,860,250 | $10,753 | premium | 11.2% | 3177067246309 |
| 8 | ARIZONA PAIN SPECIALISTS PLLC | SCOTTSDALE | AZ | NURSE PRACTITIONER | 41 | 253 | $5,323,803 | $21,043 | premium | 7.3% | (480) 563-6400 |
| 9 | ANDREW J WILL MD PA | EDINA | MN | NURSE PRACTITIONER | 35 | 252 | $302,400 | $1,200 | premium | 10.4% | (952) 841-2345 |
| 10 | ADVANCED PAIN MANAGEMENT SPECIALISTS LLC | ANNAPOLIS | MD | PHYSICIAN ASSISTANT | 79 | 247 | $611,190 | $2,474 | premium | 8.8% | (410) 571-2946 |
| 11 | INTERVENTIONAL PAIN INSTITUTE, LLC | FESTUS | MO | INTERVENTIONAL PAIN MANAGEMENT | 9 | 236 | $599,686 | $2,541 | premium | 10.6% | (636) 933-2243 |
| 12 | KANSAS UNIVERSITY PHYSICIANS INC | KANSAS CITY | KS | NURSE PRACTITIONER | 1815 | 232 | $607,672 | $2,619 | premium | 13.8% | (913) 588-1227 |
| 13 | ADVANCED SPINE AND PAIN LLC | HAMMONTON | PA | PAIN MANAGEMENT | 43 | 230 | $446,200 | $1,940 | premium | 11.4% | (888) 985-2727 |
| 14 | ALAN D SILBERBERG MD PA | KYLE | TX | INTERVENTIONAL PAIN MANAGEMENT | 6 | 229 | $1,146,438 | $5,006 | premium | 1.8% | (512) 298-1645 |
| 15 | FLOWOOD PAIN CENTER, LLC | FLOWOOD | MS | NURSE PRACTITIONER | 23 | 227 | $873,394 | $3,848 | premium | 10.6% | (601) 420-2040 |
| 16 | NEUROSURGICAL ASSOCIATES | NASHVILLE | TN | PHYSICIAN ASSISTANT | 28 | 224 | $275,886 | $1,232 | premium | 6.9% | 6153200007118 |
| 17 | ALIGN INTERVENTIONAL PAIN PLLC | OKLAHOMA CITY | OK | PHYSICIAN ASSISTANT | 5 | 221 | $634,175 | $2,870 | premium | 7.7% | (405) 906-4020 |
| 18 | CHRISTUS TRINITY CLINIC | TYLER | TX | NURSE PRACTITIONER | 1495 | 219 | $1,369,236 | $6,252 | premium | 1.7% | (903) 606-5560 |
| 19 | THE PAIN CENTER OF ARIZONA, PC | GILBERT | AZ | PHYSICIAN ASSISTANT | 18 | 214 | $1,501,638 | $7,017 | premium | 6.2% | (623) 516-8252 |
| 20 | CAPITOL PAIN INSTITUTE PA | AUSTIN | TX | NURSE PRACTITIONER | 44 | 201 | $594,753 | $2,959 | premium | 1.6% | (512) 467-7246 |
| 21 | COMMUNITY FOUNDATION MEDICAL GROUP | FRESNO | CA | PHYSICIAN ASSISTANT | 292 | 197 | $1,446,965 | $7,345 | premium | 2.4% | — |
| 22 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 194 | $400,222 | $2,063 | premium | 2.3% | (916) 681-8852 |
| 23 | NOVANT HEALTH MEDICAL GROUP, LLC | WINSTON SALEM | NC | PHYSICIAN ASSISTANT | 2389 | 188 | $741,284 | $3,943 | premium | 9.7% | (704) 384-8200 |
| 24 | NEBRASKA PAIN INSTITUTE LLC | LINCOLN | NE | PHYSICIAN ASSISTANT | 9 | 182 | $910,000 | $5,000 | premium | 19.5% | (402) 488-7246 |
| 25 | EMERGEORTHO PA | DURHAM | NC | PHYSICIAN ASSISTANT | 725 | 178 | $984,690 | $5,532 | premium | 9.2% | (919) 544-7270 |
| 26 | ELLEN W LIN MD PA | SAN ANTONIO | TX | PHYSICIAN ASSISTANT | 6 | 170 | $821,300 | $4,831 | premium | 1.3% | (210) 690-0777 |
| 27 | ARCIS HEALTHCARE LLC | NORTH CHARLESTON | SC | PHYSICIAN ASSISTANT | 33 | 170 | $1,343,904 | $7,905 | premium | 10.5% | (843) 797-5050 |
| 28 | GARDEN STATE MEDICAL CENTER, LLC | WHITING | NJ | PHYSICIAN ASSISTANT | 10 | 169 | $378,180 | $2,238 | premium | 12.1% | (732) 202-3000 |
| 29 | NEUROSURGICAL ASSOCIATES , LLP | LUBBOCK | TX | NURSE PRACTITIONER | 33 | 168 | $644,732 | $3,838 | premium | 1.3% | (806) 796-3000 |
| 30 | CHARLES R GORDON MD PA | TYLER | TX | NURSE PRACTITIONER | 25 | 162 | $486,000 | $3,000 | premium | 1.3% | (903) 592-6000 |
| 31 | CENTRAL TEXAS PAIN CENTER, PLLC | NEW BRAUNFELS | TX | NURSE PRACTITIONER | 27 | 160 | $3,461,793 | $21,636 | premium | 1.3% | (830) 627-3800 |
| 32 | INTERVENTIONAL SPINE AND PAIN INSTITUTE LLC | VERO BEACH | FL | PHYSICIAN ASSISTANT | 5 | 155 | $1,732,266 | $11,176 | premium | 2.5% | (772) 360-1997 |
| 33 | EAST CAROLINA ANESTHESIA ASSOCIATES PLLC | GREENVILLE | NC | CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) | 673 | 154 | $1,109,737 | $7,206 | premium | 7.9% | (252) 847-4100 |
| 34 | BEACON ORTHOPAEDICS AND SPORTS MEDICINE LTD | CINCINNATI | OH | PHYSICIAN ASSISTANT | 468 | 154 | $488,796 | $3,174 | premium | 6.7% | (513) 354-3700 |
| 35 | SOUND PAIN ALLIANCE | BELLINGHAM | WA | PHYSICIAN ASSISTANT | 43 | 152 | $1,018,400 | $6,700 | premium | 8.2% | — |
| 36 | INTEGRATED PAIN ASSOCIATES PLLC | KILLEEN | TX | NURSE PRACTITIONER | 32 | 151 | $1,651,884 | $10,940 | premium | 1.2% | (254) 245-9175 |
| 37 | GEORGIA PAIN AND WELLNESS CENTER | LAWRENCEVILLE | GA | PHYSICIAN ASSISTANT | 52 | 150 | $199,773 | $1,332 | premium | 8.2% | (770) 962-3642 |
| 38 | THE PAIN REHABILITATION GROUP OF WICHITA FALLS PA | WICHITA FALLS | TX | PAIN MANAGEMENT | 2 | 149 | $449,384 | $3,016 | premium | 1.2% | (940) 696-8500 |
| 39 | COLUMBIA ORTHOPAEDIC GROUP LLP | COLUMBIA | MO | ORTHOPEDIC SURGERY | 91 | 148 | $535,020 | $3,615 | premium | 6.6% | (573) 443-2402 |
| 40 | ADVANCED SPINE AND PAIN LLC | PHOENIX | AZ | PHYSICIAN ASSISTANT | 27 | 147 | $2,141,663 | $14,569 | premium | 4.2% | (480) 573-0130 |
| 41 | HULLANDER AND MOZINGO LP | SAN LUIS OBISPO | CA | INTERVENTIONAL PAIN MANAGEMENT | 10 | 146 | $1,168,000 | $8,000 | premium | 1.8% | (805) 329-6262 |
| 42 | ORTHOPEDIC ASSOCIATES OF NORTHERN CALIFORNIA A MEDICAL GROUP | CHICO | CA | ANESTHESIOLOGY | 31 | 144 | $184,825 | $1,284 | premium | 1.7% | 5308974500128 |
| 43 | INTERVENTIONAL PAIN SOLUTIONS PC | CHICO | CA | ANESTHESIOLOGY | 8 | 143 | $886,966 | $6,203 | premium | 1.7% | (530) 343-4757 |
| 44 | REGENTS OF THE UNIVERSITY OF CALIFORNIA | LOS ANGELES | CA | ORTHOPEDIC SURGERY | 136 | 143 | $1,183,533 | $8,276 | premium | 1.7% | (310) 443-8999 |
| 45 | BAYCARE CLINIC LLP | GREEN BAY | WI | PHYSICIAN ASSISTANT | 199 | 138 | $1,173,966 | $8,507 | premium | 11.4% | — |
| 46 | BDC MEDICAL, PLLC | OKLAHOMA CITY | OK | PHYSICIAN ASSISTANT | 5 | 137 | $1,488,018 | $10,861 | premium | 4.8% | (405) 751-0011 |
| 47 | PAIN INSTITUTE OF SOUTHERN ARIZONA PISA PC | TUCSON | AZ | NURSE PRACTITIONER | 24 | 130 | $524,270 | $4,033 | premium | 3.7% | (520) 829-6776 |
| 48 | ORTHOPEDIC SPECIALISTS OF NORTH AMERICA PLLC | SCOTTSDALE | AZ | ORTHOPEDIC SURGERY | 308 | 129 | $624,231 | $4,839 | premium | 3.7% | (602) 385-2115 |
| 49 | INTERVENTIONAL SPINE AND PAIN PHYSICIANS PA | MAPLE GROVE | MN | PHYSICIAN ASSISTANT | 44 | 129 | $253,669 | $1,966 | premium | 5.3% | (763) 201-8191 |
| 50 | POUDRE VALLEY MEDICAL GROUP LLC | COLORADO SPRINGS | CO | PHYSICIAN ASSISTANT | 2390 | 128 | $339,968 | $2,656 | premium | 16.6% | — |
| 51 | BAPTIST HEALTH MEDICAL GROUP INC | LOUISVILLE | KY | NURSE PRACTITIONER | 2448 | 128 | $114,432 | $894 | premium | 17.0% | (502) 928-1050 |
| 52 | DUPAGE MEDICAL GROUP LTD | GLEN ELLYN | IL | PHYSICIAN ASSISTANT | 1323 | 127 | $549,275 | $4,325 | premium | 6.4% | (630) 469-9200 |
| 53 | OANDW ENTERPRISES | STANLEYTOWN | VA | PHYSICIAN ASSISTANT | 208 | 126 | $752,598 | $5,973 | premium | 19.0% | (888) 724-0268 |
| 54 | KANSAS SPINE AND SPECIALTY HOSPITAL LLC | WICHITA | KS | NURSE PRACTITIONER | 8 | 126 | $134,369 | $1,066 | premium | 7.5% | (316) 462-5321 |
| 55 | OZARK ORTHOPAEDICS, P.A. | FAYETTEVILLE | AR | PHYSICIAN ASSISTANT | 57 | 122 | $450,180 | $3,690 | premium | 12.3% | (479) 521-2752 |
| 56 | JAGANNATHAN NEUROSURGICAL INSTITUTE PLLC | WEST BRANCH | MI | PHYSICIAN ASSISTANT | 11 | 121 | $884,524 | $7,310 | premium | 10.0% | (989) 343-3178 |
| 57 | NEUROMEDICAL CENTER | BATON ROUGE | LA | PHYSICIAN ASSISTANT | 108 | 121 | $541,717 | $4,477 | premium | 13.8% | 22576922002164 |
| 58 | JACKSONVILLE SPINE CENTER PA | JACKSONVILLE | FL | PHYSICIAN ASSISTANT | 35 | 120 | $1,024,212 | $8,535 | premium | 1.9% | (904) 223-3321 |
| 59 | TOLEDO CLINIC INCORPORATED | TOLEDO | OH | NURSE PRACTITIONER | 217 | 116 | $197,608 | $1,704 | premium | 5.0% | (419) 874-3246 |
| 60 | OLYMPIA ORTHOPAEDIC ASSOCIATES PLLC | OLYMPIA | WA | PHYSICIAN ASSISTANT | 109 | 116 | $508,855 | $4,387 | premium | 6.2% | — |
| 61 | PAIN RELIEF INSTITUTE LLC | MEDFORD | OR | PHYSICIAN ASSISTANT | 7 | 115 | $185,150 | $1,610 | premium | 8.9% | — |
| 62 | UNIVERSITY OF ARKANSAS FOR MEDICAL SCIENCES | LITTLE ROCK | AR | NURSE PRACTITIONER | 1241 | 112 | $704,032 | $6,286 | premium | 11.3% | (501) 686-8000 |
| 63 | APEX SPINE INSTITUTE | RICHLAND | WA | PHYSICIAN ASSISTANT | 9 | 112 | $969,366 | $8,655 | premium | 6.0% | (509) 606-5040 |
| 64 | SC PAIN AND SPINE SPECIALISTS, LLC | MURRELLS INLET | SC | NURSE PRACTITIONER | 6 | 110 | $825,000 | $7,500 | premium | 6.8% | (843) 839-7246 |
| 65 | SPECIALISTS IN PAIN MANAGEMENT, PLLC DBA SPINE AND PAIN ASSOCIATES | CHATTANOOGA | TN | NURSE PRACTITIONER | 31 | 109 | $404,024 | $3,707 | premium | 3.4% | (423) 698-0850 |
| 66 | ORTHOPEDIC INSTITUTE PC | SIOUX FALLS | SD | ORTHOPEDIC SURGERY | 58 | 109 | $281,329 | $2,581 | premium | 37.8% | — |
| 67 | WEST TENNESSEE BONE AND JOINT CLINIC PC | JACKSON | TN | ORTHOPEDIC SURGERY | 60 | 107 | $394,723 | $3,689 | premium | 3.3% | (731) 661-9825 |
| 68 | FLORIDA PAIN AND REHABILITATION ASSOCIATES INC | WINTER PARK | FL | NURSE PRACTITIONER | 71 | 107 | $498,550 | $4,659 | premium | 1.7% | (407) 622-5766 |
| 69 | SCOTT AND WHITE CLINIC | TEMPLE | TX | PHYSICIAN ASSISTANT | 2435 | 106 | $135,680 | $1,280 | premium | 0.8% | (254) 724-2663 |
| 70 | OHIO PAIN CLINIC LLC | DAYTON | OH | NURSE PRACTITIONER | 2 | 105 | $266,385 | $2,537 | premium | 4.6% | (937) 434-2226 |
| 71 | MISSISSIPPI SPORTS MEDICINE AND ORTHOPAEDIC CENTER | JACKSON | MS | ORTHOPEDIC SURGERY | 75 | 103 | $257,500 | $2,500 | premium | 4.8% | (601) 354-4488 |
| 72 | EASTERN UTAH PAIN | PRICE | UT | PHYSICIAN ASSISTANT | 2 | 103 | $309,000 | $3,000 | premium | 9.9% | — |
| 73 | JEFFREY B GLASER MD MEDICAL | ENCINO | CA | ANESTHESIOLOGY | 3 | 102 | $561,000 | $5,500 | premium | 1.2% | (818) 501-7246 |
| 74 | TENNESSEE ORTHOPAEDIC ALLIANCE PA | NASHVILLE | TN | PHYSICIAN ASSISTANT | 352 | 101 | $451,219 | $4,468 | premium | 3.1% | (615) 329-6600 |
| 75 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 101 | $806,147 | $7,982 | premium | 5.1% | — |
| 76 | INNOVATIVE PAIN AND SPINE SPECIALISTS | LINCOLN | NE | PHYSICIAN ASSISTANT | 8 | 100 | $496,800 | $4,968 | premium | 10.7% | — |
| 77 | LEGACY HEALTHCARE SERVICES INC | DURHAM | TX | INTERNAL MEDICINE | 3859 | 100 | $640,792 | $6,408 | premium | 0.8% | (919) 419-9600 |
| 78 | DESERT ORTHOPAEDIC CENTER LTD | LAS VEGAS | NV | PHYSICIAN ASSISTANT | 102 | 98 | $881,902 | $8,999 | premium | 10.9% | (702) 731-1616 |
| 79 | ILLINOIS BONE AND JOINT INSTITUTE, LLC | BANNOCKBURN | IL | ORTHOPEDIC SURGERY | 595 | 98 | $1,075,746 | $10,977 | premium | 4.9% | — |
| 80 | KC PAIN CENTERS LLC | LEES SUMMIT | MO | INTERVENTIONAL PAIN MANAGEMENT | 9 | 97 | $914,904 | $9,432 | premium | 4.4% | — |
| 81 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | NY | PHYSICIAN ASSISTANT | 6294 | 97 | $300,364 | $3,097 | premium | 9.1% | — |
| 82 | ORTHOPEDIC ASSOCIATES OF DAYTON INC | DAYTON | OH | PHYSICIAN ASSISTANT | 8 | 96 | $321,120 | $3,345 | premium | 4.2% | (937) 280-4988 |
| 83 | DLP WESTERN CAROLINA PHYSICIAN PRACTICES LLC | CLYDE | UT | DIAGNOSTIC RADIOLOGY | 185 | 95 | $87,560 | $922 | premium | 9.1% | (828) 452-8651 |
| 84 | PAIN MANAGEMENT SPECIALISTS MEDICAL GROUP | SAN LUIS OBISPO | CA | NURSE PRACTITIONER | 11 | 95 | $356,250 | $3,750 | premium | 1.1% | (805) 544-7246 |
| 85 | THE SPINE AND PAIN CENTER LLC | TULSA | OK | ANESTHESIOLOGY | 4 | 94 | $437,700 | $4,656 | premium | 3.3% | (918) 255-7246 |
| 86 | HAYS MEDICAL CENTER INC | HAYS | KS | PHYSICIAN ASSISTANT | 182 | 94 | $93,060 | $990 | premium | 5.6% | (785) 623-5774 |
| 87 | NOVANT HEALTH SOUTHEASTERN SPINE INSTITUTE LLC | MT PLEASANT | SC | PHYSICIAN ASSISTANT | 29 | 94 | $117,500 | $1,250 | premium | 5.8% | — |
| 88 | INTERVENTIONAL PAIN CENTER, PLLC | HENDERSONVILLE | TN | NURSE PRACTITIONER | 8 | 93 | $718,425 | $7,725 | premium | 2.9% | (615) 972-1100 |
| 89 | RCHP BILLINGS - MISSOULA LLC | MISSOULA | TX | NURSE PRACTITIONER | 68 | 91 | $605,066 | $6,649 | premium | 0.7% | (406) 327-4646 |
| 90 | FLORIDA INSTITUTE OF PAIN MEDICINE LLC | JACKSONVILLE | FL | NURSE PRACTITIONER | 26 | 90 | $193,424 | $2,149 | premium | 1.4% | (904) 449-7246 |
| 91 | TEXOMACARE SPECIALTY PHYSICIANS | DENISON | TX | INTERVENTIONAL CARDIOLOGY | 37 | 89 | $72,182 | $811 | premium | 0.7% | (903) 465-3624 |
| 92 | PAIN CLINIC ASSOCIATES PLLC | MEMPHIS | TN | ANESTHESIOLOGY | 9 | 89 | $76,095 | $855 | premium | 2.7% | (901) 747-0040 |
| 93 | GULFCOAST SPINE INSTITUTE, LLC | TAMPA | FL | ORTHOPEDIC SURGERY | 9 | 88 | $150,114 | $1,706 | premium | 1.4% | (813) 443-2108 |
| 94 | ALL STAR PAIN MANAGEMENT AND REGENERATIVE MEDICINE, LLC | ANNAPOLIS | MD | ANESTHESIOLOGY | 6 | 87 | $239,629 | $2,754 | premium | 3.1% | (443) 808-1808 |
| 95 | AVORS MEDICAL GROUP | LANCASTER | CA | ORTHOPEDIC SURGERY | 19 | 87 | $119,190 | $1,370 | premium | 1.1% | (661) 726-5005 |
| 96 | VANDERBILT UNIVERSITY MEDICAL CENTER | NASHVILLE | TN | NURSE PRACTITIONER | 3394 | 87 | $461,883 | $5,309 | premium | 2.7% | (615) 322-5000 |
| 97 | REPUBLIC SPINE AND PAIN, PA | AUSTIN | TX | CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) | 14 | 86 | $1,155,410 | $13,435 | premium | 0.7% | — |
| 98 | OHIOHEALTH CORPORATION | COLUMBUS | OH | PHYSICIAN ASSISTANT | 2282 | 86 | $106,812 | $1,242 | premium | 3.7% | — |
| 99 | IDAHO PAIN CLINIC PLLC | SPOKANE | ID | PHYSICIAN ASSISTANT | 10 | 86 | $303,150 | $3,525 | premium | 20.0% | (208) 263-9757 |
| 100 | PORTERCARE ADVENTIST HEALTH SYSTEM | DENVER | TX | PHYSICIAN ASSISTANT | 748 | 86 | $571,821 | $6,649 | premium | 0.7% | (303) 778-5797 |
Showing the top 100 of 427 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 →