93623 — Programming of heart rhythm stimulation after drug infusion
23,711 observed fee-for-service (49%) · ~25,063 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 | 93623 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 1,150 | $677,394 | $589 | premium | 23.2% | (415) 600-1020 |
| 2 | FLORIDA ELECTROPHYSIOLOGY ASSOCIATES PA | ATLANTIS | FL | CARDIAC ELECTROPHYSIOLOGY | 14 | 628 | $221,183 | $352 | premium | 15.6% | (561) 434-0353 |
| 3 | ST DAVIDS HEART AND VASCULAR PLLC | AUSTIN | TX | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 199 | 480 | $256,069 | $533 | premium | 12.7% | (512) 899-2028 |
| 4 | DIGNITY HEALTH MEDICAL FOUNDATION | FOLSOM | CA | DIAGNOSTIC RADIOLOGY | 1197 | 436 | $401,992 | $922 | premium | 8.8% | (916) 983-7476 |
| 5 | UNIVERSITY OF PENN - MEDICAL GROUP | PHILADELPHIA | PA | PHYSICIAN ASSISTANT | 3505 | 424 | $238,288 | $562 | premium | 33.0% | (215) 662-2777 |
| 6 | CHS PHYSICIAN PARTNERS PC | ROSLYN | NY | PHYSICIAN ASSISTANT | 734 | 371 | $742,000 | $2,000 | premium | 13.7% | — |
| 7 | WEILL MEDICAL COLLEGE OF CORNELL | NEW YORK | NY | INTERNAL MEDICINE | 2053 | 312 | $204,740 | $656 | premium | 11.5% | (212) 746-5454 |
| 8 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | NY | PHYSICIAN ASSISTANT | 6294 | 273 | $214,608 | $786 | premium | 10.1% | — |
| 9 | PROVIDENCE MEDICAL FOUNDATION | FULLERTON | CA | PHYSICIAN ASSISTANT | 1455 | 268 | $99,855 | $373 | premium | 5.4% | (714) 871-3006 |
| 10 | AFFINITY CARDIOVASCULAR SPECIALISTS LLC | BIRMINGHAM | AL | NURSE PRACTITIONER | 41 | 265 | $105,470 | $398 | premium | 46.4% | — |
| 11 | HOUSTON CARDIOVASCULAR ASSOC PA | HOUSTON | TX | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 84 | 249 | $597,180 | $2,398 | premium | 6.6% | (713) 790-0841 |
| 12 | POUDRE VALLEY MEDICAL GROUP LLC | COLORADO SPRINGS | CO | PHYSICIAN ASSISTANT | 2390 | 239 | $87,474 | $366 | premium | 25.8% | — |
| 13 | WAKEMED SPECIALISTS GROUP LLC | RALEIGH | NC | PHYSICIAN ASSISTANT | 860 | 222 | $79,254 | $357 | premium | 19.0% | (919) 350-7270 |
| 14 | VIRTUA MEDICAL GROUP, PA | VOORHEES | NJ | PHYSICIAN ASSISTANT | 1662 | 221 | $114,920 | $520 | premium | 25.8% | (856) 247-7260 |
| 15 | BAPTIST HEALTH MEDICAL GROUP INC | LOUISVILLE | KY | NURSE PRACTITIONER | 2448 | 220 | $41,800 | $190 | premium | 75.9% | (502) 928-1050 |
| 16 | BAPTIST CARDIOLOGY, INC. | JACKSONVILLE | FL | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 99 | 219 | $51,548 | $235 | premium | 5.4% | (904) 399-1171 |
| 17 | PIEDMONT CARDIOLOGY OF ATLANTA, LLC | ATLANTA | GA | PHYSICIAN ASSISTANT | 477 | 219 | $123,297 | $563 | premium | 28.9% | (404) 605-5000 |
| 18 | ADVOCATE HEALTH AND HOSPITALS CORPORATION | BUFFALO GROVE | IL | NURSE PRACTITIONER | 3045 | 213 | $126,826 | $595 | premium | 19.8% | (847) 459-1160 |
| 19 | MIDWEST HEART AND VASCULAR SPECIALISTS LLC | OVERLAND PARK | KS | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 81 | 208 | $114,231 | $549 | premium | 27.4% | (816) 523-7088 |
| 20 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 206 | $119,918 | $582 | premium | 4.1% | (916) 681-8852 |
| 21 | FLORIDA HOSPITAL MEDICAL GROUP INC | MAITLAND | FL | PHYSICIAN ASSISTANT | 1634 | 204 | $51,000 | $250 | premium | 5.1% | (407) 200-2700 |
| 22 | BAPTIST MEDICAL GROUP LLC | PENSACOLA | FL | PHYSICIAN ASSISTANT | 248 | 201 | $69,825 | $347 | premium | 5.0% | — |
| 23 | MOUNTAINSTAR CARDIOLOGY ST MARKS LLC | OGDEN | UT | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 41 | 201 | $84,275 | $419 | premium | 59.5% | (801) 479-2111 |
| 24 | CHRISTUS TRINITY CLINIC | TYLER | TX | NURSE PRACTITIONER | 1495 | 194 | $124,834 | $643 | premium | 5.1% | (903) 606-5560 |
| 25 | CAROLINAS PHYSICIANS NETWORK INC | CHARLOTTE | NC | PHYSICIAN ASSISTANT | 2360 | 191 | $116,701 | $611 | premium | 16.3% | (704) 667-1000 |
| 26 | STONY BROOK INTERNISTS UNIVERSITY FACULTY PRACTICE CORPORATION | STONY BROOK | NY | HOSPITALIST | 414 | 186 | $148,800 | $800 | premium | 6.9% | (631) 444-1560 |
| 27 | TEXAS HEALTH PHYSICIANS GROUP | FORT WORTH | TX | PHYSICIAN ASSISTANT | 1350 | 175 | $71,864 | $411 | premium | 4.6% | (817) 281-2977 |
| 28 | ST VINCENT'S AMBULATORY CARE INC | JACKSONVILLE | FL | NURSE PRACTITIONER | 294 | 175 | $90,125 | $515 | premium | 4.3% | (904) 308-6900 |
| 29 | WELLSPAN MEDICAL GROUP | YORK | PA | PHYSICIAN ASSISTANT | 2312 | 175 | $58,275 | $333 | premium | 13.6% | — |
| 30 | ORANGE COUNTY HEART INSTITUTE AND RESEARCH CENTER A MEDICAL GROUP | ORANGE | CA | INTERVENTIONAL CARDIOLOGY | 13 | 168 | $29,568 | $176 | premium | 3.4% | 71456433001157 |
| 31 | MEDICAL FOUNDATION OF CENTRAL MISSISSIPPI INC | JACKSON | GA | NURSE PRACTITIONER | 266 | 163 | $65,689 | $403 | premium | 21.5% | (601) 292-4261 |
| 32 | PRISMA HEALTH MEDICAL GROUP-MIDLANDS | COLUMBIA | SC | PHYSICIAN ASSISTANT | 1017 | 159 | $86,007 | $541 | premium | 13.8% | (803) 749-5101 |
| 33 | ST VINCENT INFIRMARY MEDICAL CENTER | LITTLE ROCK | AR | NURSE PRACTITIONER | 47 | 155 | $55,335 | $357 | premium | 46.7% | (501) 255-6000 |
| 34 | ADVANCED CARDIOVASCULAR SPECIALISTS | SHREVEPORT | LA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 22 | 153 | $47,430 | $310 | premium | 52.0% | (318) 798-9400 |
| 35 | ENDEAVOR HEALTH MEDICAL GROUP | EVANSTON | IL | NURSE PRACTITIONER | 3380 | 147 | $81,449 | $554 | premium | 13.7% | — |
| 36 | CENTENNIAL HEART LLC | NASHVILLE | TN | NURSE PRACTITIONER | 121 | 146 | $77,640 | $532 | premium | 26.5% | (615) 515-1900 |
| 37 | PRISMA HEALTH UNIVERSITY MEDICAL GROUP | GREENVILLE | SC | NURSE PRACTITIONER | 2447 | 146 | $78,714 | $539 | premium | 12.7% | — |
| 38 | MISSION HEALTH COMMUNITY MULTISPECIALTY PROVIDERS LLC | ASHEVILLE | NC | PHYSICIAN ASSISTANT | 593 | 143 | $67,353 | $471 | premium | 12.2% | (828) 213-1740 |
| 39 | BON SECOURS ST MARYS HOSPITAL OF RICHMOND LLC | RICHMOND | MA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 67 | 137 | $67,130 | $490 | premium | 55.0% | (804) 288-3123 |
| 40 | UNIVERSITY PHYSICIANS INCORPORATED | AURORA | CO | PHYSICIAN ASSISTANT | 3122 | 135 | $173,610 | $1,286 | premium | 14.6% | (720) 777-1234 |
| 41 | HEALTHONE HEART CARE LLC | AURORA | CO | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 46 | 132 | $76,525 | $580 | premium | 14.3% | (303) 750-0822 |
| 42 | CITRUS CARDIOLOGY CONSULTANTS, PLLC | INVERNESS | FL | NURSE PRACTITIONER | 47 | 131 | $17,428 | $133 | premium | 3.2% | (352) 726-8353 |
| 43 | BON SECOURS MEDICAL GROUP GREENVILLE SPECIALTY CARE LLC | GREENVILLE | SC | NURSE PRACTITIONER | 288 | 131 | $50,042 | $382 | premium | 11.4% | (864) 255-1901 |
| 44 | ADVENTIST HEALTH PHYSICIANS NETWORK | HANFORD | CA | NURSE PRACTITIONER | 651 | 129 | $36,021 | $279 | premium | 2.6% | (559) 583-4695 |
| 45 | BAYLOR ST. LUKE'S MEDICAL GROUP | THE WOODLANDS | TX | PHYSICIAN ASSISTANT | 177 | 124 | $59,520 | $480 | premium | 3.3% | (281) 444-3278 |
| 46 | RMH MEDICAL GROUP LLC | ROCKINGHAM | VA | PHYSICIAN ASSISTANT | 263 | 124 | $37,448 | $302 | premium | 10.0% | (540) 689-1110 |
| 47 | ST VINCENT MEDICAL GROUP INC | INDIANAPOLIS | IN | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 718 | 121 | $96,800 | $800 | premium | 13.8% | (317) 338-2345 |
| 48 | LEHIGH VALLEY PHYSICIAN GROUP | ALLENTOWN | PA | PHYSICIAN ASSISTANT | 2389 | 121 | $67,440 | $557 | premium | 9.4% | — |
| 49 | SENTARA MEDICAL GROUP | NORFOLK | VA | PHYSICIAN ASSISTANT | 1404 | 120 | $36,240 | $302 | premium | 9.7% | — |
| 50 | BHS PHYSICIANS NETWORK, INC | SAN ANTONIO | TX | PHYSICIAN ASSISTANT | 696 | 117 | $52,884 | $452 | premium | 3.1% | (210) 614-7414 |
| 51 | SCRIPPS HEALTH | LA JOLLA | CA | PHYSICIAN ASSISTANT | 1431 | 116 | $47,285 | $408 | premium | 2.3% | (858) 455-9100 |
| 52 | CARDIOLOGY ASSOCIATES MEDICAL GROUP | VENTURA | CA | PHYSICIAN ASSISTANT | 13 | 116 | $30,392 | $262 | premium | 2.3% | (805) 653-0101 |
| 53 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 114 | $180,690 | $1,585 | premium | 4.2% | (212) 263-9700 |
| 54 | HUDSON VALLEY CARDIOVASCULAR PRACTICE PC | POUGHKEEPSIE | NY | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 72 | 114 | $253,786 | $2,226 | premium | 4.2% | (845) 473-1188 |
| 55 | HEALTHTEXAS PROVIDER NETWORK | DALLAS | TX | PHYSICIAN ASSISTANT | 2482 | 112 | $59,561 | $532 | premium | 3.0% | — |
| 56 | CABRILLO CARDIOLOGY MEDICAL GROUP INC | OXNARD | CA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 9 | 110 | $66,000 | $600 | premium | 2.2% | (805) 351-8212 |
| 57 | CARDIAC ARRHYTHMIA INSTITUTE PA | PORT CHARLOTTE | FL | PHYSICIAN ASSISTANT | 4 | 107 | $73,441 | $686 | premium | 2.7% | (800) 771-7164 |
| 58 | BAYCARE MEDICAL GROUP, INC. | CLEARWATER | FL | CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) | 1526 | 104 | $17,160 | $165 | premium | 2.6% | (727) 725-5060 |
| 59 | SAINT THOMAS MEDICAL PARTNERS | NASHVILLE | TN | NURSE PRACTITIONER | 591 | 104 | $31,304 | $301 | premium | 18.9% | (615) 269-4545 |
| 60 | OHH PHYSICIANS LLC | OKLAHOMA CITY | OK | INTERVENTIONAL CARDIOLOGY | 134 | 102 | $31,722 | $311 | premium | 30.4% | (405) 608-3800 |
| 61 | ANMED HEALTH | ANDERSON | SC | FAMILY PRACTICE | 343 | 101 | $40,804 | $404 | premium | 8.8% | — |
| 62 | SHAWNEE MISSION MEDICAL CENTER INC | MERRIAM | KS | NURSE PRACTITIONER | 262 | 99 | $24,750 | $250 | premium | 13.0% | (913) 676-2000 |
| 63 | PREMIER HEART CENTER PLLC | GRAPEVINE | TX | CARDIAC ELECTROPHYSIOLOGY | 2 | 98 | $39,200 | $400 | premium | 2.6% | (817) 379-3251 |
| 64 | INTERVENTIONAL CARDIOLOGISTS OF GAINESVILLE, PA | GAINESVILLE | FL | INTERVENTIONAL CARDIOLOGY | 36 | 96 | $138,256 | $1,440 | premium | 2.4% | (352) 375-1212 |
| 65 | STAMFORD HEALTH MEDICAL GROUP INC | STAMFORD | CT | PHYSICIAN ASSISTANT | 419 | 95 | $102,125 | $1,075 | premium | 53.1% | (203) 276-4644 |
| 66 | PREMIER CARDIOLOGY INC | NEWPORT BEACH | CA | PHYSICIAN ASSISTANT | 7 | 95 | $33,250 | $350 | premium | 1.9% | (949) 478-7373 |
| 67 | CARDIOVASCULAR ASSOCIATION, P.L.L.C. | HUMBLE | TX | INTERVENTIONAL CARDIOLOGY | 52 | 93 | $39,301 | $423 | premium | 2.5% | (281) 446-6656 |
| 68 | PORTERCARE ADVENTIST HEALTH SYSTEM | DENVER | CO | PHYSICIAN ASSISTANT | 748 | 93 | $39,826 | $428 | premium | 10.1% | (303) 778-5797 |
| 69 | HOLY CROSS HOSPITAL INC | FT LAUDERDALE | FL | PHYSICIAN ASSISTANT | 303 | 92 | $54,902 | $597 | premium | 2.3% | (954) 772-2136 |
| 70 | SAVANNAH MULTISPECIALTY ASSOCIATES LLC | SAVANNAH | SC | NURSE PRACTITIONER | 130 | 91 | $48,018 | $528 | premium | 7.9% | — |
| 71 | INTERVENTIONAL CARDIAC CONSULTANTS PLC | HUDSON | FL | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 7 | 89 | $12,765 | $143 | premium | 2.2% | (727) 862-3202 |
| 72 | SANSUM CLINIC | SANTA BARBARA | CA | INTERNAL MEDICINE | 322 | 89 | $65,237 | $733 | premium | 1.8% | (805) 681-7500 |
| 73 | CARDIOLOGY CLINIC OF SAN ANTONIO, PLLC | SAN ANTONIO | TX | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 124 | 88 | $47,034 | $534 | premium | 2.3% | (210) 271-3204 |
| 74 | STUART CARDIOLOGY GROUP LLC | STUART | FL | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 45 | 85 | $14,900 | $175 | premium | 2.1% | (772) 286-9400 |
| 75 | KETTERING INDEPENDENT MEDICAL GROUP INC | KETTERING | OH | NURSE PRACTITIONER | 691 | 84 | $18,858 | $224 | premium | 15.4% | (937) 395-8646 |
| 76 | ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI | NEW YORK | NY | PHYSICIAN ASSISTANT | 2818 | 84 | $57,960 | $690 | premium | 3.1% | (212) 241-4812 |
| 77 | HIGH DESERT HEART AND VASCULAR | MERIDIAN | ID | NURSE PRACTITIONER | 10 | 83 | $18,542 | $223 | premium | 32.9% | (208) 781-6039 |
| 78 | MUSC COMMUNITY PHYSICIANS | ORANGEBURG | SC | NURSE PRACTITIONER | 1307 | 83 | $71,400 | $860 | premium | 7.2% | (803) 395-3400 |
| 79 | ORLANDO CARDIAC AND VASCULAR SPECIALISTS LLC | ALTAMONTE SPRINGS | FL | NURSE PRACTITIONER | 14 | 82 | $35,260 | $430 | premium | 2.0% | (407) 915-5643 |
| 80 | LEGACY HEALTHCARE SERVICES INC | DURHAM | FL | INTERNAL MEDICINE | 3859 | 82 | $26,481 | $323 | premium | 2.0% | (919) 419-9600 |
| 81 | METHODIST PHYSICIAN PRACTICES PLLC | SAN ANTONIO | CA | INTERVENTIONAL CARDIOLOGY | 169 | 81 | $43,853 | $541 | premium | 1.6% | (210) 575-8289 |
| 82 | EISENHOWER MEDICAL CENTER | RANCHO MIRAGE | CA | NURSE PRACTITIONER | 457 | 80 | $33,040 | $413 | premium | 1.6% | (760) 340-3911 |
| 83 | THE REGENTS OF THE UNIVERSITY OF CALIFORNIA | LOS ANGELES | CA | INTERNAL MEDICINE | 1424 | 80 | $71,044 | $888 | premium | 1.6% | (310) 825-7922 |
| 84 | ST LUKES CLINIC-TREASURE VALLEY LLC | BOISE | ID | PHYSICIAN ASSISTANT | 1159 | 79 | $25,438 | $322 | premium | 31.3% | (208) 381-4210 |
| 85 | KOOTENAI HEALTH INC | COEUR D ALENE | ID | PHYSICIAN ASSISTANT | 383 | 79 | $27,176 | $344 | premium | 31.3% | — |
| 86 | FRANCISCAN MEDICAL GROUP | TACOMA | WA | PHYSICIAN ASSISTANT | 1407 | 79 | $32,735 | $414 | premium | 11.1% | (253) 428-2200 |
| 87 | CARDIOLOGY SPECIALISTS OF NORTH TEXAS PLLC | DALLAS | TX | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 67 | 78 | $48,067 | $616 | premium | 2.1% | — |
| 88 | WASHINGTON REGIONAL MEDICAL SYSTEM | FAYETTEVILLE | AR | NURSE PRACTITIONER | 241 | 76 | $36,176 | $476 | premium | 22.9% | (479) 571-4338 |
| 89 | PHOEBE PHYSICIAN GROUP INC | AMERICUS | OK | NURSE PRACTITIONER | 442 | 76 | $47,500 | $625 | premium | 22.6% | (229) 928-2882 |
| 90 | OVERLAKE MEDICAL CLINICS LLC | BELLEVUE | WA | NURSE PRACTITIONER | 414 | 76 | $17,682 | $233 | premium | 10.7% | (425) 688-5460 |
| 91 | HH HEART CENTER, LLC | HUNTSVILLE | AL | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 90 | 76 | $93,860 | $1,235 | premium | 13.3% | (256) 265-2372 |
| 92 | BRYAN HOSPITAL KEARNEY | KEARNEY | NE | PHYSICIAN ASSISTANT | 112 | 75 | $39,455 | $526 | premium | 57.7% | (308) 865-2263 |
| 93 | RICHMOND HEART AND VASCULAR ASSOCIATES | MECHANICSVILLE | VA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 22 | 75 | $18,254 | $243 | premium | 6.1% | (804) 800-6600 |
| 94 | INOVA HEALTH CARE SERVICES | FALLS CHURCH | VA | NURSE PRACTITIONER | 1818 | 75 | $35,025 | $467 | premium | 6.1% | — |
| 95 | GOOD SAMARITAN HOSPITAL CORVALLIS | CORVALLIS | OR | PHYSICIAN ASSISTANT | 388 | 74 | $34,484 | $466 | premium | 18.1% | (541) 768-7700 |
| 96 | NATIONAL PARK CARDIOLOGY SERVICES LLC | HOT SPRINGS | TN | NURSE PRACTITIONER | 5 | 73 | $22,922 | $314 | premium | 13.2% | (501) 625-3400 |
| 97 | MERCY HEALTH PHYSICIANS CINCINNATI SPECIALTY CARE LLC | CINCINNATI | OH | NURSE PRACTITIONER | 347 | 73 | $18,907 | $259 | premium | 13.4% | (513) 751-4222 |
| 98 | HEARTPLACE PLLC | PLANO | TX | INTERVENTIONAL CARDIOLOGY | 93 | 73 | $233,600 | $3,200 | premium | 1.9% | (972) 985-8838 |
| 99 | STANFORD HEALTH CARE | STANFORD | CA | DIAGNOSTIC RADIOLOGY | 3039 | 72 | $100,779 | $1,400 | premium | 1.4% | (650) 723-4000 |
| 100 | LOYOLA UNIVERSITY MEDICAL CENTER | MAYWOOD | IL | NURSE PRACTITIONER | 933 | 72 | $15,336 | $213 | premium | 6.7% | (708) 216-8372 |
Showing the top 100 of 335 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 →