93622 — Insertion of catheters for recording and pacing of left lower heart chamber rhythm and induction of abnormal rhythm
7,607 observed fee-for-service (49%) · ~7,802 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 | 93622 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | FLORIDA ELECTROPHYSIOLOGY ASSOCIATES PA | ATLANTIS | FL | CARDIAC ELECTROPHYSIOLOGY | 14 | 490 | $432,808 | $883 | premium | 29.3% | (561) 434-0353 |
| 2 | OHH PHYSICIANS LLC | OKLAHOMA CITY | OK | INTERVENTIONAL CARDIOLOGY | 134 | 331 | $111,216 | $336 | premium | 89.7% | (405) 608-3800 |
| 3 | CHS PHYSICIAN PARTNERS PC | ROSLYN | NY | PHYSICIAN ASSISTANT | 734 | 242 | $1,161,600 | $4,800 | premium | 27.7% | — |
| 4 | BAPTIST HEALTH MEDICAL GROUP INC | LOUISVILLE | KY | NURSE PRACTITIONER | 2448 | 221 | $72,709 | $329 | premium | 95.3% | (502) 928-1050 |
| 5 | POUDRE VALLEY MEDICAL GROUP LLC | COLORADO SPRINGS | CO | PHYSICIAN ASSISTANT | 2390 | 215 | $85,355 | $397 | premium | 64.8% | — |
| 6 | HEART RHYTHM CONSULTANTS PA | SARASOTA | FL | NURSE PRACTITIONER | 5 | 209 | $59,513 | $285 | premium | 12.5% | (941) 484-6758 |
| 7 | SCRIPPS HEALTH | LA JOLLA | CA | PHYSICIAN ASSISTANT | 1431 | 193 | $119,639 | $620 | premium | 13.0% | (858) 455-9100 |
| 8 | MCV ASSOCIATED PHYSICIANS | RICHMOND | VA | NURSE PRACTITIONER | 1791 | 192 | $136,704 | $712 | premium | 32.1% | (804) 828-9000 |
| 9 | AFFINITY CARDIOVASCULAR SPECIALISTS LLC | BIRMINGHAM | AL | NURSE PRACTITIONER | 41 | 188 | $75,952 | $404 | premium | 40.9% | — |
| 10 | WAKEMED SPECIALISTS GROUP LLC | RALEIGH | NC | PHYSICIAN ASSISTANT | 860 | 185 | $66,600 | $360 | premium | 45.0% | (919) 350-7270 |
| 11 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 177 | $145,422 | $822 | premium | 11.9% | (415) 600-1020 |
| 12 | ST VINCENT INFIRMARY MEDICAL CENTER | LITTLE ROCK | AR | NURSE PRACTITIONER | 47 | 152 | $321,480 | $2,115 | premium | 39.0% | (501) 255-6000 |
| 13 | MUSC COMMUNITY PHYSICIANS | ORANGEBURG | SC | NURSE PRACTITIONER | 1307 | 150 | $138,132 | $921 | premium | 41.3% | (803) 395-3400 |
| 14 | ST DAVIDS HEART AND VASCULAR PLLC | AUSTIN | TX | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 199 | 148 | $85,626 | $579 | premium | 11.5% | (512) 899-2028 |
| 15 | BAPTIST HEALTH CENTERS LLC | BIRMINGHAM | AL | NURSE PRACTITIONER | 181 | 128 | $62,720 | $490 | premium | 27.8% | (205) 795-5390 |
| 16 | BON SECOURS MEDICAL GROUP GREENVILLE SPECIALTY CARE LLC | GREENVILLE | SC | NURSE PRACTITIONER | 288 | 128 | $193,920 | $1,515 | premium | 35.3% | (864) 255-1901 |
| 17 | MIDWEST HEART AND VASCULAR SPECIALISTS LLC | OVERLAND PARK | KS | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 81 | 124 | $78,272 | $631 | premium | 33.5% | (816) 523-7088 |
| 18 | WELLSPAN MEDICAL GROUP | YORK | PA | PHYSICIAN ASSISTANT | 2312 | 124 | $44,516 | $359 | premium | 31.2% | — |
| 19 | NCHMD INC | NAPLES | FL | NEUROLOGY | 515 | 115 | $44,735 | $389 | premium | 6.9% | (239) 436-5100 |
| 20 | BON SECOURS ST MARYS HOSPITAL OF RICHMOND LLC | RICHMOND | MA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 67 | 114 | $60,192 | $528 | premium | 65.5% | (804) 288-3123 |
| 21 | PHYSICIAN GROUPS LC | SAINT LOUIS | MO | NURSE PRACTITIONER | 516 | 112 | $63,056 | $563 | premium | 62.9% | (314) 273-0195 |
| 22 | WASHINGTON REGIONAL MEDICAL SYSTEM | FAYETTEVILLE | AR | NURSE PRACTITIONER | 241 | 111 | $40,071 | $361 | premium | 28.5% | (479) 571-4338 |
| 23 | CARDIOLOGY SPECIALISTS OF NORTH TEXAS PLLC | DALLAS | TX | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 67 | 111 | $104,964 | $946 | premium | 8.6% | — |
| 24 | BAYLOR ST. LUKE'S MEDICAL GROUP | THE WOODLANDS | TX | PHYSICIAN ASSISTANT | 177 | 104 | $55,710 | $536 | premium | 8.1% | (281) 444-3278 |
| 25 | CABRILLO CARDIOLOGY MEDICAL GROUP INC | OXNARD | CA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 9 | 104 | $57,200 | $550 | premium | 7.0% | (805) 351-8212 |
| 26 | CARDIAC ARRHYTHMIA INSTITUTE PA | PORT CHARLOTTE | FL | PHYSICIAN ASSISTANT | 4 | 101 | $75,192 | $744 | premium | 6.0% | (800) 771-7164 |
| 27 | COTTON-O'NEIL CLINIC REVOCABLE TRUST | TOPEKA | KS | NURSE PRACTITIONER | 649 | 92 | $221,605 | $2,409 | premium | 24.9% | (785) 354-9591 |
| 28 | IHC HEALTH SERVICES INC | MURRAY | UT | PHYSICIAN ASSISTANT | 3944 | 84 | $28,224 | $336 | premium | 100.0% | (801) 261-8346 |
| 29 | HEARTPLACE PLLC | PLANO | TX | INTERVENTIONAL CARDIOLOGY | 93 | 82 | $262,400 | $3,200 | premium | 6.4% | (972) 985-8838 |
| 30 | CARDIOLOGY ASSOCIATES MEDICAL GROUP | VENTURA | CA | PHYSICIAN ASSISTANT | 13 | 81 | $41,148 | $508 | premium | 5.4% | (805) 653-0101 |
| 31 | ENDEAVOR HEALTH MEDICAL GROUP | EVANSTON | IL | NURSE PRACTITIONER | 3380 | 81 | $48,924 | $604 | premium | 37.5% | — |
| 32 | GOLDEN STATE HEART AND VASCULAR ASSOCIATES | BURLINGAME | CA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 9 | 78 | $31,647 | $406 | premium | 5.2% | (650) 697-2431 |
| 33 | FRANCISCAN MEDICAL GROUP | TACOMA | WA | PHYSICIAN ASSISTANT | 1407 | 77 | $37,019 | $481 | premium | 81.9% | (253) 428-2200 |
| 34 | PREMIER CARDIOLOGY INC | NEWPORT BEACH | CA | PHYSICIAN ASSISTANT | 7 | 74 | $24,050 | $325 | premium | 5.0% | (949) 478-7373 |
| 35 | MONUMENT HEALTH RAPID CITY HOSPITAL INC | RAPID CITY | NY | PHYSICIAN ASSISTANT | 559 | 73 | $253,090 | $3,467 | premium | 8.3% | (605) 755-7200 |
| 36 | MERCY CLINIC HEART AND VASCULAR LLC | SAINT LOUIS | MO | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 112 | 66 | $31,350 | $475 | premium | 37.1% | (314) 842-0602 |
| 37 | SWARUP LLC | PHOENIX | AR | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 5 | 65 | $26,540 | $408 | premium | 16.7% | (602) 456-2342 |
| 38 | LEGACY HEALTHCARE SERVICES INC | DURHAM | FL | INTERNAL MEDICINE | 3859 | 63 | $22,085 | $351 | premium | 3.8% | (919) 419-9600 |
| 39 | HOLY CROSS HOSPITAL INC | FT LAUDERDALE | FL | PHYSICIAN ASSISTANT | 303 | 63 | $40,835 | $648 | premium | 3.8% | (954) 772-2136 |
| 40 | TRI-CITY CARDIOLOGY CONSULTANTS PC | MESA | AZ | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 41 | 61 | $19,889 | $326 | premium | 10.0% | (480) 835-6100 |
| 41 | CLINICAL HEALTH CARE ASSOCIATES OF NEW JERSEY PC | CHERRY HILL | PA | DIAGNOSTIC RADIOLOGY | 825 | 59 | $99,179 | $1,681 | premium | 14.9% | (856) 433-2535 |
| 42 | STONY BROOK INTERNISTS UNIVERSITY FACULTY PRACTICE CORPORATION | STONY BROOK | NY | HOSPITALIST | 414 | 58 | $185,600 | $3,200 | premium | 6.6% | (631) 444-1560 |
| 43 | METHODIST PHYSICIAN PRACTICES PLLC | SAN ANTONIO | CA | INTERVENTIONAL CARDIOLOGY | 169 | 58 | $42,256 | $729 | premium | 3.9% | (210) 575-8289 |
| 44 | YAVAPAI REGIONAL MEDICAL CENTER PHYSICIAN CARE LLC | PRESCOTT | AZ | NURSE PRACTITIONER | 120 | 57 | $19,175 | $336 | premium | 9.4% | (928) 771-3704 |
| 45 | VIRTUA MEDICAL GROUP, PA | VOORHEES | NJ | PHYSICIAN ASSISTANT | 1662 | 55 | $30,855 | $561 | premium | 36.4% | (856) 247-7260 |
| 46 | SANFORD MEDICAL CENTER | SIOUX FALLS | SD | NURSE PRACTITIONER | 831 | 52 | $69,160 | $1,330 | premium | 100.0% | (605) 332-2883 |
| 47 | INTEGRATED CARDIOLOGY GROUP LLC | LINCOLN | NE | PHYSICIAN ASSISTANT | 78 | 51 | $54,723 | $1,073 | premium | 56.7% | (402) 483-3333 |
| 48 | UT PHYSICIANS | HOUSTON | MA | NURSE PRACTITIONER | 1758 | 49 | $85,554 | $1,746 | premium | 28.2% | (713) 566-5000 |
| 49 | INTERMOUNTAIN MEDICAL GROUP DENVER LLC | BROOMFIELD | CO | PHYSICIAN ASSISTANT | 562 | 48 | $17,784 | $370 | premium | 14.5% | — |
| 50 | LONE STAR HEART AND VASCULAR CLINIC PA | NEW BRAUNFELS | TX | INTERVENTIONAL CARDIOLOGY | 12 | 47 | $29,562 | $629 | premium | 3.7% | — |
| 51 | CARDIOVASCULAR ASSOCIATES OF MESA PC | MESA | AZ | INTERVENTIONAL CARDIOLOGY | 12 | 47 | $15,947 | $339 | premium | 7.7% | (480) 641-5400 |
| 52 | CHRISTUS TRINITY CLINIC | TYLER | TX | NURSE PRACTITIONER | 1495 | 47 | $120,273 | $2,559 | premium | 3.7% | (903) 606-5560 |
| 53 | UNIVERSITY OF TOLEDO PHYSICIANS LLC | TOLEDO | OH | PHYSICIAN ASSISTANT | 405 | 46 | $42,938 | $933 | premium | 29.5% | (419) 383-5550 |
| 54 | FLORIDA HOSPITAL MEDICAL GROUP INC | MAITLAND | FL | PHYSICIAN ASSISTANT | 1634 | 45 | $23,625 | $525 | premium | 2.7% | (407) 200-2700 |
| 55 | BHS PHYSICIANS NETWORK, INC | SAN ANTONIO | TX | PHYSICIAN ASSISTANT | 696 | 42 | $20,580 | $490 | premium | 3.3% | (210) 614-7414 |
| 56 | SWARUP LLC | PHOENIX | AZ | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 5 | 40 | $16,332 | $408 | premium | 6.6% | (602) 456-2342 |
| 57 | LAS PALMAS DEL SOL CARDIOLOGY, PLLC | EL PASO | TX | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 16 | 40 | $44,469 | $1,112 | premium | 3.1% | (915) 521-1200 |
| 58 | COVENANT MEDICAL CENTER INC | WATERLOO | IA | NURSE PRACTITIONER | 233 | 39 | $33,540 | $860 | premium | 100.0% | — |
| 59 | UNIVERSITY OF PENN - MEDICAL GROUP | PHILADELPHIA | PA | PHYSICIAN ASSISTANT | 3505 | 37 | $62,197 | $1,681 | premium | 9.3% | (215) 662-2777 |
| 60 | SJHMC PHYSICIAN SERVICES | PHOENIX | AZ | NURSE PRACTITIONER | 690 | 37 | $18,056 | $488 | premium | 6.1% | (602) 406-6017 |
| 61 | CAROMONT MEDICAL GROUP INC | GASTONIA | NC | NURSE PRACTITIONER | 425 | 37 | $29,591 | $800 | premium | 9.0% | (704) 865-3848 |
| 62 | VIRGINIA ARRHYTHMIA CONSULTANTS PLLC | NORTH CHESTERFIELD | VA | CARDIAC ELECTROPHYSIOLOGY | 6 | 36 | $17,809 | $495 | premium | 6.0% | (804) 410-9749 |
| 63 | NEWPORT HEART MEDICAL GROUP INC | NEWPORT BEACH | CA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 9 | 36 | $15,684 | $436 | premium | 2.4% | (949) 548-9611 |
| 64 | NORTH TEXAS ARRHYTHMIA ASSOCIATES PA | DENTON | TX | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 3 | 36 | $7,832 | $218 | premium | 2.8% | (940) 565-0800 |
| 65 | UT PHYSICIANS | HOUSTON | TX | NURSE PRACTITIONER | 1758 | 35 | $61,110 | $1,746 | premium | 2.7% | (713) 566-5000 |
| 66 | MERCY HEALTH PHYSICIANS CINCINNATI SPECIALTY CARE LLC | CINCINNATI | OH | NURSE PRACTITIONER | 347 | 35 | $9,765 | $279 | premium | 22.4% | (513) 751-4222 |
| 67 | KALISPELL REGIONAL MEDICAL CENTER INC | KALISPELL | CA | PHYSICIAN ASSISTANT | 414 | 34 | $6,970 | $205 | premium | 2.3% | (406) 751-6725 |
| 68 | WHITE PLAINS PHYSICIAN SERVICES PC | WHITE PLAINS | NY | PHYSICIAN ASSISTANT | 383 | 34 | $26,192 | $770 | premium | 3.9% | (914) 681-0600 |
| 69 | MISSION HEALTH COMMUNITY MULTISPECIALTY PROVIDERS LLC | ASHEVILLE | SC | PHYSICIAN ASSISTANT | 593 | 33 | $19,074 | $578 | premium | 9.1% | (828) 213-1740 |
| 70 | HEALTHTEXAS PROVIDER NETWORK | DALLAS | OH | PHYSICIAN ASSISTANT | 2482 | 33 | $15,691 | $475 | premium | 21.2% | — |
| 71 | MCLEOD REGIONAL MEDICAL CENTER OF THE PEE DEE INC | FLORENCE | SC | NURSE PRACTITIONER | 409 | 32 | $14,779 | $462 | premium | 8.8% | (843) 777-2000 |
| 72 | BAYLOR COLLEGE OF MEDICINE | HOUSTON | TX | CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) | 1222 | 29 | $13,630 | $470 | premium | 2.3% | — |
| 73 | KANSAS HEART HOSPITAL, LLC | WICHITA | KS | NURSE PRACTITIONER | 24 | 29 | $9,860 | $340 | premium | 7.8% | (316) 630-5000 |
| 74 | ALEXIAN BROTHERS SPECIALTY GROUP | ELK GROVE VILLAGE | IL | NURSE PRACTITIONER | 44 | 29 | $42,746 | $1,474 | premium | 13.4% | (847) 437-5500 |
| 75 | WEST FLORIDA CARDIOLOGY PHYSICIANS LLC | PENSACOLA | FL | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 12 | 27 | $17,446 | $646 | premium | 1.6% | (850) 494-4000 |
| 76 | KINGS PHYSICIAN SERVICES PC | BROOKLYN | NY | PHYSICIAN ASSISTANT | 664 | 27 | $19,818 | $734 | premium | 3.1% | — |
| 77 | VHS OUTPATIENT CLINICS INC | PHOENIX | AZ | PHYSICIAN ASSISTANT | 180 | 26 | $12,740 | $490 | premium | 4.3% | (602) 274-6506 |
| 78 | UNITED MEDICAL ASSOCIATES PC | JOHNSON CITY | NY | NURSE PRACTITIONER | 238 | 26 | $9,963 | $383 | premium | 3.0% | (607) 763-6580 |
| 79 | UPMC ALTOONA REGIONAL HEALTH SERVICES, INC. | ALTOONA | PA | PHYSICIAN ASSISTANT | 190 | 25 | $12,300 | $492 | premium | 6.3% | (814) 941-8811 |
| 80 | THE HEART GROUP OF LANCASTER GENERAL HEALTH | LANCASTER | PA | NURSE PRACTITIONER | 61 | 23 | $10,006 | $435 | premium | 5.8% | (717) 544-8300 |
| 81 | CLEVELAND CLINIC FLORIDA | WESTON | FL | NURSE PRACTITIONER | 720 | 22 | $23,882 | $1,086 | premium | 1.3% | (954) 659-5000 |
| 82 | UTMB FACULTY GROUP PRACTICE | GALVESTON | TX | NURSE PRACTITIONER | 1068 | 22 | $9,944 | $452 | premium | 1.7% | (409) 772-2222 |
| 83 | HEARTLAND CARDIOLOGY, LLC | WICHITA | KS | NURSE PRACTITIONER | 27 | 21 | $7,350 | $350 | premium | 5.7% | (316) 686-5300 |
| 84 | FLORIDA CARDIAC CONSULTANTS INC | SARASOTA | FL | PHYSICIAN ASSISTANT | 13 | 20 | $6,000 | $300 | premium | 1.2% | — |
| 85 | WILMINGTON HEALTH PLLC | WILMINGTON | NC | PHYSICIAN ASSISTANT | 393 | 20 | $10,000 | $500 | premium | 4.9% | (910) 341-1540 |
| 86 | BRYAN HOSPITAL KEARNEY | KEARNEY | NE | PHYSICIAN ASSISTANT | 112 | 20 | $8,560 | $428 | premium | 22.2% | (308) 865-2263 |
| 87 | CENTENNIAL HEART LLC | NASHVILLE | TN | NURSE PRACTITIONER | 121 | 19 | $11,256 | $592 | premium | 100.0% | (615) 515-1900 |
| 88 | NORTHSIDE CARDIOVASCULAR PROFESSIONAL SERVICES, LLC | ATLANTA | GA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 144 | 19 | $19,414 | $1,022 | premium | 100.0% | (404) 851-8000 |
| 89 | UNMC PHYSICIANS | OMAHA | NE | PHYSICIAN ASSISTANT | 1514 | 19 | $50,474 | $2,656 | premium | 21.1% | (402) 559-4000 |
| 90 | REGENTS OF THE UNIVERSITY OF CALIFORNIA | SAN DIEGO | CA | DIAGNOSTIC RADIOLOGY | 2057 | 19 | $9,730 | $512 | premium | 1.3% | (800) 926-8273 |
| 91 | READING HOSPITAL | WEST READING | PA | NURSE PRACTITIONER | 153 | 18 | $15,012 | $834 | premium | 4.5% | — |
| 92 | LAWNWOOD CARDIOVASCULAR SURGERY LLC | ATLANTIS | FL | NURSE PRACTITIONER | 56 | 18 | $11,812 | $656 | premium | 1.1% | (561) 227-7660 |
| 93 | CHARLOTTE ARRHYTHMIA CENTER PLLC | PORT CHARLOTTE | FL | CARDIAC ELECTROPHYSIOLOGY | 2 | 18 | $6,066 | $337 | premium | 1.1% | — |
| 94 | THE ASSOCIATION OF UNIVERSITY PHYSICIANS | SEATTLE | WA | PHYSICIAN ASSISTANT | 3612 | 17 | $8,782 | $517 | premium | 18.1% | (206) 364-0500 |
| 95 | ADVOCATE HEALTH AND HOSPITALS CORPORATION | BUFFALO GROVE | IL | NURSE PRACTITIONER | 3045 | 16 | $7,774 | $486 | premium | 7.4% | (847) 459-1160 |
| 96 | BANNER PHYSICIAN SPECIALISTS ARIZONA LLC | SUN CITY | AZ | PHYSICIAN ASSISTANT | 354 | 16 | $9,726 | $608 | premium | 2.6% | (623) 832-4000 |
| 97 | NEVADA HEART AND VASCULAR CENTER RESH LLP | LAS VEGAS | NV | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 42 | 16 | $10,978 | $686 | premium | 100.0% | (702) 240-6482 |
| 98 | RIVERSIDE PHYSICIAN SERVICES INC | NEWPORT NEWS | VA | PHYSICIAN ASSISTANT | 793 | 16 | $4,960 | $310 | premium | 2.7% | — |
| 99 | UNIVERSITY OF ARKANSAS FOR MEDICAL SCIENCES | LITTLE ROCK | AR | NURSE PRACTITIONER | 1241 | 16 | $50,202 | $3,138 | premium | 4.1% | (501) 686-8000 |
| 100 | SENTARA MEDICAL GROUP | NORFOLK | VA | PHYSICIAN ASSISTANT | 1404 | 15 | $4,746 | $316 | premium | 2.5% | — |
Showing the top 100 of 107 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 →