33286 — Removal of heart rhythm monitor from under the skin
4,378 observed fee-for-service (50%) · ~4,347 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 | 33286 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 144 | $202,032 | $1,403 | premium | 10.8% | (212) 263-9700 |
| 2 | CARDIOVASCULAR ASSOCIATES OF THE DELAWARE VALLEY,P A | HADDON HEIGHTS | NJ | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 94 | 121 | $26,485 | $219 | premium | 15.7% | (856) 546-3003 |
| 3 | CHS PHYSICIAN PARTNERS PC | ROSLYN | NY | PHYSICIAN ASSISTANT | 734 | 118 | $236,000 | $2,000 | premium | 8.8% | — |
| 4 | STONY BROOK INTERNISTS UNIVERSITY FACULTY PRACTICE CORPORATION | STONY BROOK | NY | HOSPITALIST | 414 | 109 | $82,840 | $760 | premium | 8.2% | (631) 444-1560 |
| 5 | FLORIDA ELECTROPHYSIOLOGY ASSOCIATES PA | ATLANTIS | FL | CARDIAC ELECTROPHYSIOLOGY | 14 | 106 | $54,427 | $513 | premium | 6.0% | (561) 434-0353 |
| 6 | BRYN MAWR MEDICAL SPECIALISTS ASSOCIATION | BRYN MAWR | PA | NURSE PRACTITIONER | 134 | 102 | $20,400 | $200 | premium | 18.2% | (610) 527-3800 |
| 7 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | NY | PHYSICIAN ASSISTANT | 6294 | 95 | $71,915 | $757 | premium | 7.1% | — |
| 8 | COTTON-O'NEIL CLINIC REVOCABLE TRUST | TOPEKA | KS | NURSE PRACTITIONER | 649 | 68 | $16,364 | $241 | premium | 26.4% | (785) 354-9591 |
| 9 | SCRIPPS HEALTH | LA JOLLA | CA | PHYSICIAN ASSISTANT | 1431 | 66 | $34,057 | $516 | premium | 7.4% | (858) 455-9100 |
| 10 | HOLY CROSS HOSPITAL INC | FT LAUDERDALE | FL | PHYSICIAN ASSISTANT | 303 | 57 | $19,257 | $338 | premium | 3.2% | (954) 772-2136 |
| 11 | CARDIOLOGY CONSULTANTS OF PHILADELPHIA PC | PHILADELPHIA | PA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 143 | 54 | $19,200 | $356 | premium | 9.6% | (215) 463-5333 |
| 12 | ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI | NEW YORK | NY | PHYSICIAN ASSISTANT | 2818 | 52 | $19,188 | $369 | premium | 3.9% | (212) 241-4812 |
| 13 | HEART SPECIALISTS OF SARASOTA PL | SARASOTA | FL | PHYSICIAN ASSISTANT | 24 | 52 | $26,520 | $510 | premium | 2.9% | (941) 917-1000 |
| 14 | CARDIOVASCULAR INTERVENTIONS PA | ORLANDO | FL | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 4 | 44 | $13,860 | $315 | premium | 2.5% | (407) 896-7899 |
| 15 | MIDWEST HEART AND VASCULAR SPECIALISTS LLC | OVERLAND PARK | KS | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 81 | 42 | $11,966 | $285 | premium | 16.3% | (816) 523-7088 |
| 16 | ADVENTIST PHYSICIAN SERVICES INC | ROCKVILLE | MD | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 145 | 40 | $9,330 | $233 | premium | 21.7% | (301) 670-3000 |
| 17 | GRAND STRAND SURGICAL SPECIALISTS LLC | MYRTLE BEACH | SC | PHYSICIAN ASSISTANT | 51 | 40 | $10,423 | $261 | premium | 18.2% | (843) 848-1440 |
| 18 | FLORIDA CARDIAC CONSULTANTS INC | SARASOTA | FL | PHYSICIAN ASSISTANT | 13 | 39 | $7,040 | $181 | premium | 2.2% | — |
| 19 | ST. PETER'S HEALTH PARTNERS MEDICAL ASSOCIATES, P.C. | ALBANY | NY | PHYSICIAN ASSISTANT | 480 | 39 | $9,168 | $235 | premium | 2.9% | (518) 525-1852 |
| 20 | NAPLES HEART RHYTHM SPECIALISTS PA | NAPLES | FL | PHYSICIAN ASSISTANT | 21 | 38 | $11,286 | $297 | premium | 2.2% | (239) 263-0849 |
| 21 | HOUSTON CARDIOVASCULAR ASSOC PA | HOUSTON | TX | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 84 | 38 | $9,735 | $256 | premium | 10.6% | (713) 790-0841 |
| 22 | CARDIOLOGY AND VASCULAR CARE CENTER LLC | PORT CHARLOTTE | FL | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 4 | 37 | $9,100 | $246 | premium | 2.1% | (941) 258-3635 |
| 23 | FOXHALL MEDICINE PLLC | WASHINGTON | DC | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 2 | 37 | $5,067 | $137 | premium | 100.0% | (202) 243-0271 |
| 24 | SANFORD MEDICAL CENTER | SIOUX FALLS | SD | NURSE PRACTITIONER | 831 | 36 | $16,920 | $470 | premium | 100.0% | (605) 332-2883 |
| 25 | COASTAL CAROLINA MULTISPECIALTY ASSOCIATES LLC | CHARLESTON | SC | NURSE PRACTITIONER | 49 | 35 | $9,163 | $262 | premium | 15.9% | — |
| 26 | ADVANCED CARDIOLOGY LLC | CEDAR KNOLLS | NJ | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 28 | 35 | $17,500 | $500 | premium | 4.6% | (973) 401-1100 |
| 27 | STUART CARDIOLOGY GROUP LLC | STUART | FL | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 45 | 34 | $10,904 | $321 | premium | 1.9% | (772) 286-9400 |
| 28 | CARDIAC ARRHYTHMIA INSTITUTE PA | PORT CHARLOTTE | FL | PHYSICIAN ASSISTANT | 4 | 34 | $19,153 | $563 | premium | 1.9% | (800) 771-7164 |
| 29 | SWARUP LLC | PHOENIX | AR | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 5 | 33 | $10,802 | $327 | premium | 37.5% | (602) 456-2342 |
| 30 | NCHMD INC | NAPLES | FL | NEUROLOGY | 515 | 33 | $9,768 | $296 | premium | 1.9% | (239) 436-5100 |
| 31 | CARDIOLOGY ASSOCIATES MEDICAL GROUP | VENTURA | CA | PHYSICIAN ASSISTANT | 13 | 33 | $8,547 | $259 | premium | 3.7% | (805) 653-0101 |
| 32 | PRISMA HEALTH MEDICAL GROUP-MIDLANDS | COLUMBIA | SC | PHYSICIAN ASSISTANT | 1017 | 33 | $12,441 | $377 | premium | 15.0% | (803) 749-5101 |
| 33 | ST. MARY'S MEDICAL MANAGEMENT, LLC | HUNTINGTON | WV | NURSE PRACTITIONER | 90 | 33 | $9,352 | $283 | premium | 37.9% | — |
| 34 | WHITE PLAINS PHYSICIAN SERVICES PC | WHITE PLAINS | NY | PHYSICIAN ASSISTANT | 383 | 33 | $11,776 | $357 | premium | 2.5% | (914) 681-0600 |
| 35 | CAROLINAEAST PHYSICIANS | NEW BERN | NC | NURSE PRACTITIONER | 203 | 33 | $31,251 | $947 | premium | 21.7% | (252) 635-6777 |
| 36 | MYMICHIGAN MEDICAL CENTER SAGINAW | SAGINAW | MI | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 108 | 32 | $3,904 | $122 | premium | 21.5% | — |
| 37 | CHICAGO CARDIOLOGY INSTITUTE SC | SCHAUMBURG | IL | NURSE PRACTITIONER | 22 | 30 | $12,600 | $420 | premium | 18.5% | (847) 605-9500 |
| 38 | GUTHRIE MEDICAL GROUP PC | SAYRE | PA | PHYSICIAN ASSISTANT | 804 | 30 | $9,130 | $304 | premium | 5.3% | (570) 888-5858 |
| 39 | ANDERSON HEART LLC | ANDERSON | SC | VASCULAR SURGERY | 4 | 30 | $15,000 | $500 | premium | 13.6% | (864) 261-7474 |
| 40 | JOSEPH A CAPLAN MD PC | SUN CITY WEST | AZ | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 31 | 30 | $6,261 | $209 | premium | 4.1% | (623) 876-8816 |
| 41 | HARVARD MEDICAL FACULTY PHYS AT BETH ISRAEL DEACONESS MED CTR INC | BOSTON | MA | INTERNAL MEDICINE | 1689 | 30 | $8,520 | $284 | premium | 18.0% | (781) 983-9088 |
| 42 | LAHEY CLINIC INC | BURLINGTON | MA | NURSE PRACTITIONER | 1400 | 30 | $10,567 | $352 | premium | 18.0% | — |
| 43 | CARDIOVASCULAR ASSOCIATES OF THE DELAWARE VALLEY,P A | HADDON HEIGHTS | PA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 94 | 29 | $5,162 | $178 | premium | 5.2% | (856) 546-3003 |
| 44 | DRS BAKER AND GILMOUR MD PA | JACKSONVILLE | FL | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 5 | 28 | $5,797 | $207 | premium | 1.6% | (904) 733-4444 |
| 45 | ADVOCARE, LLC | HADDONFIELD | NJ | NURSE PRACTITIONER | 384 | 28 | $12,880 | $460 | premium | 3.6% | (856) 354-2211 |
| 46 | UNIVERSITY PRIMARY CARE PRACTICES INC | CONNEAUT | OH | FAMILY PRACTICE | 1067 | 28 | $6,300 | $225 | premium | 30.8% | — |
| 47 | OPTUM MEDICAL CARE PC | MOUNT KISCO | NY | INTERNAL MEDICINE | 1040 | 27 | $18,765 | $695 | premium | 2.0% | (914) 241-1050 |
| 48 | ST BERNARDS PHYSICIAN CLINICS INC | JONESBORO | AR | NURSE PRACTITIONER | 206 | 27 | $4,000 | $148 | premium | 30.7% | (870) 972-8181 |
| 49 | SAINT ALPHONSUS REGIONAL MEDICAL CENTER INC | BOISE | ID | PHYSICIAN ASSISTANT | 647 | 27 | $6,804 | $252 | premium | 50.0% | — |
| 50 | CARDIOVASCULAR ASSOCIATES INC | KISSIMMEE | FL | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 18 | 27 | $5,776 | $214 | premium | 1.5% | 4078460626239 |
| 51 | VIRTUA MEDICAL GROUP, PA | VOORHEES | NJ | PHYSICIAN ASSISTANT | 1662 | 26 | $11,440 | $440 | premium | 3.4% | (856) 247-7260 |
| 52 | SWARUP LLC | PHOENIX | AZ | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 5 | 26 | $8,511 | $327 | premium | 3.5% | (602) 456-2342 |
| 53 | ELITE IMAGING LLC | PLANTATION | FL | DIAGNOSTIC RADIOLOGY | 124 | 26 | $4,550 | $175 | premium | 1.5% | (954) 449-7023 |
| 54 | HEART CARE SPECIALISTS LLC | SAINT LOUIS | MO | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 16 | 26 | $4,498 | $173 | premium | 30.6% | (314) 729-0088 |
| 55 | BAYHEALTH MEDICAL CENTER, INC | DOVER | DE | NURSE PRACTITIONER | 394 | 26 | $5,785 | $222 | premium | 51.0% | (302) 744-4700 |
| 56 | BERKSHIRE FACULTY SERVICES INC | PITTSFIELD | MA | PHYSICIAN ASSISTANT | 276 | 25 | $7,125 | $285 | premium | 15.0% | (413) 447-2695 |
| 57 | TIDALHEALTH SPECIALTY CARE LLC | SALISBURY | MD | NURSE PRACTITIONER | 329 | 25 | $4,210 | $168 | premium | 13.6% | — |
| 58 | REGENTS UNIV OF CALIFORNIA UCSF | SAN FRANCISCO | CA | PHYSICIAN ASSISTANT | 277 | 25 | $10,850 | $434 | premium | 2.8% | (415) 476-1000 |
| 59 | UNIVERSITY OF PENN - MEDICAL GROUP | PHILADELPHIA | PA | PHYSICIAN ASSISTANT | 3505 | 25 | $7,500 | $300 | premium | 4.5% | (215) 662-2777 |
| 60 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 24 | $13,248 | $552 | premium | 2.7% | (916) 681-8852 |
| 61 | BAYLOR ST. LUKE'S MEDICAL GROUP | THE WOODLANDS | TX | PHYSICIAN ASSISTANT | 177 | 24 | $6,502 | $271 | premium | 6.7% | (281) 444-3278 |
| 62 | PROVIDENCE MEDICAL FOUNDATION | FULLERTON | CA | PHYSICIAN ASSISTANT | 1455 | 24 | $7,525 | $314 | premium | 2.7% | (714) 871-3006 |
| 63 | WELLSPAN MEDICAL GROUP | YORK | PA | PHYSICIAN ASSISTANT | 2312 | 24 | $4,344 | $181 | premium | 4.3% | — |
| 64 | HEART OF THE VILLAGES PLC | LADY LAKE | FL | NURSE PRACTITIONER | 16 | 24 | $6,259 | $261 | premium | 1.4% | (352) 674-2080 |
| 65 | CLINICAL HEALTH CARE ASSOCIATES OF NEW JERSEY PC | CHERRY HILL | NJ | DIAGNOSTIC RADIOLOGY | 825 | 24 | $7,200 | $300 | premium | 3.1% | (856) 433-2535 |
| 66 | HONORHEALTH AMBULATORY | SCOTTSDALE | AZ | PHYSICIAN ASSISTANT | 601 | 23 | $5,572 | $242 | premium | 3.1% | — |
| 67 | SAINT LUKES PHYSICIAN GROUP INC | KANSAS CITY | MO | NURSE PRACTITIONER | 1228 | 23 | $8,924 | $388 | premium | 27.1% | — |
| 68 | UNIVERSITY OF LOUISVILLE PHYSICIANS INC | LOUISVILLE | KY | NURSE PRACTITIONER | 1442 | 23 | $7,268 | $316 | premium | 67.6% | (502) 629-2398 |
| 69 | JOHNS HOPKINS REGIONAL PHYSICIANS LLC | LUTHERVILLE | MD | OTOLARYNGOLOGY | 80 | 23 | $8,625 | $375 | premium | 12.5% | (443) 275-1337 |
| 70 | BAPTIST CARDIOLOGY, INC. | JACKSONVILLE | FL | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 99 | 23 | $6,095 | $265 | premium | 1.3% | (904) 399-1171 |
| 71 | CARDIOJOST PLLC | MESA | AZ | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 17 | 23 | $3,850 | $167 | premium | 3.1% | (480) 422-8533 |
| 72 | CARDIOVASCULAR ASSOCIATES OF MESA PC | MESA | AZ | INTERVENTIONAL CARDIOLOGY | 12 | 22 | $3,680 | $167 | premium | 3.0% | (480) 641-5400 |
| 73 | SANSUM CLINIC | SANTA BARBARA | CA | INTERNAL MEDICINE | 322 | 22 | $5,239 | $238 | premium | 2.5% | (805) 681-7500 |
| 74 | TOPEKA PHYSICIAN GROUP LLC | TOPEKA | KS | NURSE PRACTITIONER | 153 | 21 | $4,452 | $212 | premium | 8.1% | (785) 295-7800 |
| 75 | HATTIESBURG CLINIC PA | HATTIESBURG | MS | FAMILY PRACTICE | 530 | 21 | $13,356 | $636 | premium | 13.3% | (601) 264-6000 |
| 76 | MARY HITCHCOCK MEMORIAL HOSPITAL | LEBANON | NH | NURSE PRACTITIONER | 1270 | 21 | $9,324 | $444 | premium | 44.7% | (603) 650-5000 |
| 77 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 21 | $11,058 | $527 | premium | 2.4% | (415) 600-1020 |
| 78 | MANHATTAN MEDICAL GROUP LLC | MANHATTAN | KS | NURSE PRACTITIONER | 15 | 21 | $3,255 | $155 | premium | 8.1% | (785) 539-4644 |
| 79 | IDICULA MEDICAL ASSOCIATES MD PA | WEEKI WACHEE | FL | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 7 | 21 | $5,880 | $280 | premium | 1.2% | (352) 596-4660 |
| 80 | ATLANTICARE PHYSICIAN GROUP PA | EGG HARBOR TOWNSHIP | NJ | NURSE PRACTITIONER | 507 | 20 | $3,660 | $183 | premium | 2.6% | — |
| 81 | LIMA MEMORIAL PROFESSIONAL CORPORATION | LIMA | OH | PHYSICIAN ASSISTANT | 169 | 20 | $2,640 | $132 | premium | 22.0% | (419) 998-4575 |
| 82 | BHS PHYSICIANS NETWORK, INC | SAN ANTONIO | TX | PHYSICIAN ASSISTANT | 696 | 19 | $4,750 | $250 | premium | 5.3% | (210) 614-7414 |
| 83 | NATIONAL CARDIOVASCULAR ASSOCIATES LLC | SURPRISE | AZ | NURSE PRACTITIONER | 15 | 18 | $3,414 | $190 | premium | 2.4% | (602) 641-9486 |
| 84 | FLORIDA HOSPITAL HEALTHCARE PARTNERS, INC | DAYTONA BEACH | FL | PHYSICIAN ASSISTANT | 588 | 18 | $4,878 | $271 | premium | 1.0% | (386) 231-6000 |
| 85 | MASS GENERAL BRIGHAM MEDICAL GROUP NORTHERN MASSACHUSETTS INC | SALEM | MA | NURSE PRACTITIONER | 803 | 18 | $6,520 | $362 | premium | 10.8% | (978) 741-4133 |
| 86 | CENTRAL VALLEY CARDIOVASCULAR MEDICAL GROUP INC | MERCED | CA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 5 | 18 | $23,600 | $1,311 | premium | 2.0% | (209) 385-2240 |
| 87 | JAMES RIVER CARDIOLOGY, LLC | COLONIAL HEIGHTS | VA | PHYSICIAN ASSISTANT | 49 | 18 | $5,323 | $296 | premium | 19.1% | (804) 520-1764 |
| 88 | HEART ONE ASSOCIATES LLC | PHOENIX | AZ | INTERVENTIONAL CARDIOLOGY | 21 | 18 | $3,398 | $189 | premium | 2.4% | (602) 584-5444 |
| 89 | WASHINGTON REGIONAL MEDICAL SYSTEM | FAYETTEVILLE | AR | NURSE PRACTITIONER | 241 | 17 | $3,536 | $208 | premium | 19.3% | (479) 571-4338 |
| 90 | MCLEOD REGIONAL MEDICAL CENTER OF THE PEE DEE INC | FLORENCE | SC | NURSE PRACTITIONER | 409 | 17 | $11,610 | $683 | premium | 7.7% | (843) 777-2000 |
| 91 | FLORIDA HEART RHYTHM SPECIALISTS PLLC | FORT LAUDERDALE | FL | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 9 | 17 | $4,331 | $255 | premium | 1.0% | (954) 355-4400 |
| 92 | NORTH TEXAS ARRHYTHMIA ASSOCIATES PA | DENTON | TX | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 3 | 17 | $5,020 | $295 | premium | 4.7% | (940) 565-0800 |
| 93 | CMC DEPARTMENT OF MEDICINE GROUP PA | CAMDEN | NJ | NURSE PRACTITIONER | 474 | 17 | $7,565 | $445 | premium | 2.2% | — |
| 94 | WELLSPAN MEDICAL GROUP | YORK | MD | PHYSICIAN ASSISTANT | 2312 | 17 | $3,077 | $181 | premium | 9.2% | — |
| 95 | OSU INTERNAL MEDICINE LLC | COLUMBUS | OH | NURSE PRACTITIONER | 1155 | 16 | $4,800 | $300 | premium | 17.6% | (614) 293-8000 |
| 96 | MOUNTAIN VIEW HOSPITAL LLC | IDAHO FALLS | ID | PHYSICIAN ASSISTANT | 267 | 16 | $2,800 | $175 | premium | 29.6% | (208) 535-4343 |
| 97 | CENTER FOR ADVANCED CARDIAC AND VASCULAR INTERVENTIONS | TARZANA | CA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 11 | 16 | $8,000 | $500 | premium | 1.8% | (818) 905-5904 |
| 98 | HEALTHTEXAS PROVIDER NETWORK | DALLAS | TX | PHYSICIAN ASSISTANT | 2482 | 16 | $5,264 | $329 | premium | 4.5% | — |
| 99 | HEART CENTER OF METROWEST, INC. | FRAMINGHAM | MA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 17 | 15 | $6,167 | $411 | premium | 9.0% | (508) 875-4811 |
| 100 | SHAWNEE MISSION MEDICAL CENTER INC | MERRIAM | KS | NURSE PRACTITIONER | 262 | 15 | $4,065 | $271 | premium | 5.8% | (913) 676-2000 |
Showing the top 100 of 172 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 →