5,074 observed fee-for-service (49%) · ~5,267 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 payer split, and this market total scaled to all of Medicare, labeled as an estimate.
Or just look at it: nuclear heart imaging (78452) in Arizona is open as a live example — the full paid view, real data.
View the live example →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 activate to sort | City activate to sort | St activate to sort | Specialty activate to sort | Providers activate to sort | 33274 svcs sorted descending — activate to reverse | Submitted charges activate to sort | Avg charge activate to sort | Medicare $ locked column | Share* activate to sort | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | POUDRE VALLEY MEDICAL GROUP LLC | COLORADO SPRINGS | CO | PHYSICIAN ASSISTANT | 2390 | 192 | $192,636 | $1,003 | premium | 80.3% | — |
| 2 | EISENHOWER MEDICAL CENTER | RANCHO MIRAGE | CA | NURSE PRACTITIONER | 457 | 105 | $133,875 | $1,275 | premium | 17.9% | (760) 340-3911 |
| 3 | NCHMD INC | NAPLES | FL | NEUROLOGY | 515 | 92 | $104,144 | $1,132 | premium | 11.2% | (239) 436-5100 |
| 4 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | NY | PHYSICIAN ASSISTANT | 6294 | 89 | $253,383 | $2,847 | premium | 14.1% | — |
| 5 | OHH PHYSICIANS LLC | OKLAHOMA CITY | OK | INTERVENTIONAL CARDIOLOGY | 134 | 88 | $129,624 | $1,473 | premium | 51.2% | (405) 608-3800 |
| 6 | HEALTH FIRST MEDICAL GROUP, LLC | MELBOURNE | FL | NURSE PRACTITIONER | 669 | 85 | $84,660 | $996 | premium | 10.3% | (321) 434-8878 |
| 7 | FRANCISCAN PHYSICIAN NETWORK | INDIANAPOLIS | IN | PHYSICIAN ASSISTANT | 1151 | 84 | $77,952 | $928 | premium | 33.6% | — |
| 8 | PRESBYTERIAN HEALTHCARE SERVICES | ALBUQUERQUE | NM | PHYSICIAN ASSISTANT | 1369 | 73 | $68,036 | $932 | premium | 100.0% | (505) 841-1234 |
| 9 | BAPTIST HEALTH MEDICAL GROUP INC | LOUISVILLE | KY | NURSE PRACTITIONER | 2448 | 72 | $88,344 | $1,227 | premium | 66.7% | (502) 928-1050 |
| 10 | FREEMAN-OAK HILL HEALTH SYSTEM | JOPLIN | MO | NURSE PRACTITIONER | 382 | 71 | $133,597 | $1,882 | premium | 21.1% | (417) 347-8200 |
| 11 | HEART RHYTHM CONSULTANTS PA | SARASOTA | FL | NURSE PRACTITIONER | 5 | 71 | $72,721 | $1,024 | premium | 8.6% | (941) 484-6758 |
| 12 | LEE HEALTH SYSTEM INC | FORT MYERS | FL | NURSE PRACTITIONER | 1370 | 70 | $158,550 | $2,265 | premium | 8.5% | (239) 343-9888 |
| 13 | FLORIDA ELECTROPHYSIOLOGY ASSOCIATES PA | ATLANTIS | FL | CARDIAC ELECTROPHYSIOLOGY | 14 | 70 | $177,232 | $2,532 | premium | 8.5% | (561) 434-0353 |
| 14 | STONY BROOK INTERNISTS UNIVERSITY FACULTY PRACTICE CORPORATION | STONY BROOK | NY | HOSPITALIST | 414 | 69 | $143,375 | $2,078 | premium | 11.0% | (631) 444-1560 |
| 15 | ST BERNARDS PHYSICIAN CLINICS INC | JONESBORO | AR | NURSE PRACTITIONER | 206 | 63 | $47,950 | $761 | premium | 35.4% | (870) 972-8181 |
| 16 | COMMUNITY CARE NETWORK INC | MUNSTER | IN | NURSE PRACTITIONER | 379 | 63 | $61,110 | $970 | premium | 25.2% | (219) 836-4563 |
| 17 | ENDEAVOR HEALTH MEDICAL GROUP | EVANSTON | IL | NURSE PRACTITIONER | 3380 | 61 | $121,294 | $1,988 | premium | 17.6% | — |
| 18 | PHYSICIAN GROUPS LC | SAINT LOUIS | MO | NURSE PRACTITIONER | 516 | 59 | $90,152 | $1,528 | premium | 17.5% | (314) 273-0195 |
| 19 | ADVOCATE HEALTH AND HOSPITALS CORPORATION | BUFFALO GROVE | IL | NURSE PRACTITIONER | 3045 | 57 | $66,177 | $1,161 | premium | 16.4% | (847) 459-1160 |
| 20 | MOUNTAIN VIEW HOSPITAL LLC | IDAHO FALLS | ID | PHYSICIAN ASSISTANT | 267 | 57 | $85,500 | $1,500 | premium | 100.0% | (208) 535-4343 |
| 21 | HEART SPECIALISTS OF SARASOTA PL | SARASOTA | FL | PHYSICIAN ASSISTANT | 24 | 57 | $65,094 | $1,142 | premium | 6.9% | (941) 917-1000 |
| 22 | UMASS MEMORIAL MEDICAL GROUP INC | WORCESTER | MA | PHYSICIAN ASSISTANT | 2483 | 50 | $117,250 | $2,345 | premium | 18.5% | (508) 334-1000 |
| 23 | SCRIPPS HEALTH | LA JOLLA | CA | PHYSICIAN ASSISTANT | 1431 | 49 | $86,710 | $1,770 | premium | 8.4% | (858) 455-9100 |
| 24 | REGIONAL CLINICS OF LONGVIEW | LONGVIEW | TX | NURSE PRACTITIONER | 36 | 49 | $65,807 | $1,343 | premium | 13.1% | (903) 757-6042 |
| 25 | DEPARTMENT OF MEDICINE MEDICAL SERV GRP AT SUNY HLTH SCI CTR SYR IN | SYRACUSE | NY | NURSE PRACTITIONER | 281 | 48 | $77,400 | $1,612 | premium | 7.6% | (315) 464-5240 |
| 26 | HEART RHYTHM ASSOCIATES, P.A. | SHENANDOAH | TX | CARDIAC ELECTROPHYSIOLOGY | 7 | 46 | $80,950 | $1,760 | premium | 12.3% | (281) 825-1866 |
| 27 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 46 | $92,456 | $2,010 | premium | 7.8% | (415) 600-1020 |
| 28 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 46 | $295,504 | $6,424 | premium | 7.3% | (212) 263-9700 |
| 29 | COVENANT MEDICAL GROUP | LUBBOCK | TX | NURSE PRACTITIONER | 227 | 43 | $66,399 | $1,544 | premium | 11.5% | (806) 725-5844 |
| 30 | MONUMENT HEALTH RAPID CITY HOSPITAL INC | RAPID CITY | NY | PHYSICIAN ASSISTANT | 559 | 43 | $57,973 | $1,348 | premium | 6.8% | (605) 755-7200 |
| 31 | VANDERBILT UNIVERSITY MEDICAL CENTER | NASHVILLE | TN | NURSE PRACTITIONER | 3394 | 43 | $112,918 | $2,626 | premium | 9.3% | (615) 322-5000 |
| 32 | DUKE HEALTH INTEGRATED PRACTICE INC | DURHAM | NC | PHYSICIAN ASSISTANT | 3051 | 42 | $80,808 | $1,924 | premium | 46.2% | (919) 684-8111 |
| 33 | DIGNITY HEALTH MEDICAL FOUNDATION | FOLSOM | CA | DIAGNOSTIC RADIOLOGY | 1197 | 42 | $106,344 | $2,532 | premium | 7.2% | (916) 983-7476 |
| 34 | WELLMONT CARDIOLOGY SERVICES | KINGSPORT | TN | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 138 | 42 | $42,000 | $1,000 | premium | 9.1% | (423) 230-5000 |
| 35 | KANSAS HEART HOSPITAL, LLC | WICHITA | KS | NURSE PRACTITIONER | 24 | 40 | $44,000 | $1,100 | premium | 37.4% | (316) 630-5000 |
| 36 | EASTERN MAINE MEDICAL CENTER | BANGOR | ME | PHYSICIAN ASSISTANT | 697 | 39 | $68,757 | $1,763 | premium | 100.0% | (207) 973-7000 |
| 37 | COLUMBUS REGIONAL HEALTH PHYSICIANS, LLC | COLUMBUS | IN | NURSE PRACTITIONER | 216 | 38 | $43,510 | $1,145 | premium | 15.2% | (812) 373-3025 |
| 38 | LAS CRUCES PHYSICIAN PRACTICES, LLC | LAS CRUCES | TX | NURSE PRACTITIONER | 96 | 37 | $71,117 | $1,922 | premium | 9.9% | (575) 556-6440 |
| 39 | CONCORD HOSPITAL INC | CONCORD | NH | PHYSICIAN ASSISTANT | 552 | 37 | $132,967 | $3,594 | premium | 58.7% | — |
| 40 | THE CURATORS OF THE UNIVERSITY OF MISSOURI | COLUMBIA | MO | PHYSICIAN ASSISTANT | 1116 | 37 | $47,767 | $1,291 | premium | 11.0% | (573) 882-2667 |
| 41 | BLESSING HOSPITAL | QUINCY | IL | NURSE PRACTITIONER | 401 | 37 | $56,643 | $1,531 | premium | 10.7% | (217) 223-8400 |
| 42 | CARDIOVASCULAR INSTITUTE OF CENTRAL FLORIDA LLC | OCALA | FL | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 69 | 37 | $42,892 | $1,159 | premium | 4.5% | (352) 622-4251 |
| 43 | ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI | NEW YORK | NY | PHYSICIAN ASSISTANT | 2818 | 37 | $50,986 | $1,378 | premium | 5.9% | (212) 241-4812 |
| 44 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 36 | $104,472 | $2,902 | premium | 10.4% | — |
| 45 | KARING HEARTS CARDIOLOGY PC | JOHNSON CITY | TN | NURSE PRACTITIONER | 14 | 34 | $34,000 | $1,000 | premium | 7.3% | (423) 926-4468 |
| 46 | THE YOUNAN GROUP PA | PARLIN | NJ | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 7 | 34 | $52,156 | $1,534 | premium | 16.2% | (732) 727-0400 |
| 47 | NORTHSIDE CARDIOVASCULAR PROFESSIONAL SERVICES, LLC | ATLANTA | GA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 144 | 33 | $47,652 | $1,444 | premium | 22.1% | (404) 851-8000 |
| 48 | MERCY CLINIC FORT SMITH COMMUNITIES | FORT SMITH | AR | NURSE PRACTITIONER | 349 | 33 | $38,214 | $1,158 | premium | 18.5% | (479) 314-5175 |
| 49 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | MA | PHYSICIAN ASSISTANT | 6294 | 33 | $93,951 | $2,847 | premium | 12.2% | — |
| 50 | SAINT FRANCIS MEDICAL CENTER | CAPE GIRARDEAU | MO | NURSE PRACTITIONER | 435 | 31 | $42,234 | $1,362 | premium | 9.2% | (573) 331-3000 |
| 51 | ORANGE COUNTY HEART INSTITUTE AND RESEARCH CENTER A MEDICAL GROUP | ORANGE | CA | INTERVENTIONAL CARDIOLOGY | 13 | 31 | $30,566 | $986 | premium | 5.3% | 71456433001157 |
| 52 | FACULTY PHYSICIANS AND SURGEONS OF LLUSM | LOMA LINDA | CA | DIAGNOSTIC RADIOLOGY | 1317 | 31 | $47,399 | $1,529 | premium | 5.3% | — |
| 53 | CHS PHYSICIAN PARTNERS PC | ROSLYN | NY | PHYSICIAN ASSISTANT | 734 | 30 | $158,956 | $5,299 | premium | 4.8% | — |
| 54 | HEART CENTER OF NORTH TEXAS PA | FORT WORTH | TX | INTERVENTIONAL CARDIOLOGY | 16 | 29 | $23,113 | $797 | premium | 7.7% | (817) 334-2800 |
| 55 | FLORIDA HEART CENTER, PA | FORT PIERCE | FL | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 7 | 28 | $50,400 | $1,800 | premium | 3.4% | (772) 465-4499 |
| 56 | JACKSON CLINIC PA | JACKSON | TN | NURSE PRACTITIONER | 183 | 28 | $28,840 | $1,030 | premium | 6.0% | (731) 422-0213 |
| 57 | ST JOSEPHS MEDICAL PC | LIVERPOOL | MI | PHYSICIAN ASSISTANT | 378 | 27 | $26,001 | $963 | premium | 8.9% | (315) 475-8402 |
| 58 | BAPTIST HEALTH SERVICES | FORT SMITH | AR | FAMILY PRACTICE | 107 | 27 | $245,954 | $9,109 | premium | 15.2% | (479) 709-7250 |
| 59 | MULTICARE HEALTH SYSTEM | GIG HARBOR | WA | NURSE PRACTITIONER | 2289 | 26 | $35,308 | $1,358 | premium | 23.0% | — |
| 60 | ERLANGER HEALTH | CHATTANOOGA | LA | NURSE PRACTITIONER | 487 | 26 | $16,926 | $651 | premium | 32.9% | — |
| 61 | UNIVERSITY OF WISCONSIN MEDICAL FOUNDATION INC | MADISON | WI | PHYSICIAN ASSISTANT | 2523 | 25 | $121,125 | $4,845 | premium | 18.9% | (608) 287-2050 |
| 62 | DELTA CLINICS PLC | JACKSON | TN | NURSE PRACTITIONER | 14 | 25 | $20,000 | $800 | premium | 5.4% | (731) 512-0104 |
| 63 | SOUTHERN ILLINOIS MEDICAL SERVICES NFP | CARBONDALE | IL | NURSE PRACTITIONER | 347 | 25 | $38,425 | $1,537 | premium | 7.2% | (618) 457-3006 |
| 64 | CHARLESTON AREA MEDICAL CENTER INC | CHARLESTON | WV | NURSE PRACTITIONER | 970 | 25 | $46,650 | $1,866 | premium | 69.4% | (304) 388-5432 |
| 65 | IHA HEALTH SERVICES CORPORATION | YPSILANTI | MI | PHYSICIAN ASSISTANT | 1144 | 25 | $25,996 | $1,040 | premium | 8.2% | — |
| 66 | HEALTHTEXAS PROVIDER NETWORK | DALLAS | TX | PHYSICIAN ASSISTANT | 2482 | 25 | $46,032 | $1,841 | premium | 6.7% | — |
| 67 | KINGS PHYSICIAN SERVICES PC | BROOKLYN | NY | PHYSICIAN ASSISTANT | 664 | 25 | $52,500 | $2,100 | premium | 4.0% | — |
| 68 | COASTAL CAROLINA MULTISPECIALTY ASSOCIATES LLC | CHARLESTON | SC | NURSE PRACTITIONER | 49 | 24 | $34,896 | $1,454 | premium | 22.6% | — |
| 69 | EDWARD W SPARROW HOSPITAL ASSOCIATION | LANSING | MI | NURSE PRACTITIONER | 694 | 24 | $22,465 | $936 | premium | 7.9% | (517) 484-4033 |
| 70 | BAPTIST CARDIOLOGY, INC. | JACKSONVILLE | FL | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 99 | 24 | $29,904 | $1,246 | premium | 2.9% | (904) 399-1171 |
| 71 | FLORIDA HOSPITAL PHYSICIAN GROUP INC | TAMPA | LA | DIAGNOSTIC RADIOLOGY | 891 | 24 | $35,832 | $1,493 | premium | 30.4% | (813) 615-7075 |
| 72 | VIRTUA MEDICAL GROUP, PA | VOORHEES | NJ | PHYSICIAN ASSISTANT | 1662 | 23 | $36,938 | $1,606 | premium | 11.0% | (856) 247-7260 |
| 73 | WELLSTAR MEDICAL GROUP LLC | MARIETTA | GA | NURSE PRACTITIONER | 3060 | 23 | $28,611 | $1,244 | premium | 15.4% | (770) 422-2004 |
| 74 | PREMIER HEALTH SPECIALISTS INC | DAYTON | OH | PHYSICIAN ASSISTANT | 574 | 23 | $28,681 | $1,247 | premium | 37.1% | — |
| 75 | INTERMOUNTAIN MEDICAL GROUP GRAND JUNCTION, LLC | GRAND JUNCTION | CO | PHYSICIAN ASSISTANT | 294 | 23 | $24,259 | $1,055 | premium | 9.6% | (970) 242-3535 |
| 76 | CLINIC FOR CARDIOVASCULAR CARE | TOMBALL | TX | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 3 | 23 | $34,500 | $1,500 | premium | 6.1% | (281) 255-2000 |
| 77 | YALE UNIVERSITY | NEW HAVEN | CT | PHYSICIAN ASSISTANT | 2649 | 22 | $70,070 | $3,185 | premium | 42.3% | (203) 688-4242 |
| 78 | NORTHERN NEVADA MEDICAL GROUP LLC | SPARKS | NV | INTERNAL MEDICINE | 89 | 22 | $20,284 | $922 | premium | 44.0% | (775) 351-5301 |
| 79 | MERCY HEALTH WESTSHORE CARDIOLOGY SERVICES | MUSKEGON | MI | PHYSICIAN ASSISTANT | 37 | 21 | $24,885 | $1,185 | premium | 6.9% | (231) 672-3500 |
| 80 | RUTGERS HEALTH-RWJ SCLERODERMA PROGRAM | NEW BRUNSWICK | NJ | NURSE PRACTITIONER | 387 | 21 | $63,588 | $3,028 | premium | 10.0% | — |
| 81 | SAVANNAH MULTISPECIALTY ASSOCIATES LLC | SAVANNAH | SC | NURSE PRACTITIONER | 130 | 21 | $33,036 | $1,573 | premium | 19.8% | — |
| 82 | TUCSON PHYSICIAN GROUP HOLDINGS LLC | TUCSON | TX | INTERNAL MEDICINE | 200 | 21 | $29,421 | $1,401 | premium | 5.6% | (520) 396-1360 |
| 83 | INDIAN RIVER HEALTH SERVICES INC | VERO BEACH | FL | NURSE PRACTITIONER | 324 | 20 | $57,580 | $2,879 | premium | 2.4% | (772) 567-6340 |
| 84 | SPECIALTY PHYSICIANS OF ILLINOIS LLC | OLYMPIA FIELDS | IL | PSYCHIATRY | 112 | 20 | $40,176 | $2,009 | premium | 5.8% | (844) 740-4445 |
| 85 | ST. JOHN PHYSICIANS, INC. | TULSA | OK | NURSE PRACTITIONER | 263 | 20 | $22,100 | $1,105 | premium | 11.6% | — |
| 86 | CARDIOVASCULAR ASSOCIATES OF THE DELAWARE VALLEY,P A | HADDON HEIGHTS | PA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 94 | 19 | $19,000 | $1,000 | premium | 16.1% | (856) 546-3003 |
| 87 | SAINT JOSEPH REGIONAL MEDICAL CENTER INC | MISHAWAKA | IN | NURSE PRACTITIONER | 137 | 19 | $18,696 | $984 | premium | 7.6% | (574) 335-6830 |
| 88 | KAYNAK MEDICAL SERVICES LLC | YUMA | AZ | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 2 | 19 | $19,000 | $1,000 | premium | 15.3% | (928) 248-4617 |
| 89 | UNIVERSITY OF MARYLAND ST JOSEPH MEDICAL GROUP LLC | TOWSON | MD | NURSE PRACTITIONER | 292 | 19 | $28,253 | $1,487 | premium | 20.9% | (410) 337-4877 |
| 90 | SWEDISH HEALTH SERVICES | SEATTLE | WA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 78 | 18 | $26,572 | $1,476 | premium | 15.9% | (206) 386-6000 |
| 91 | TIDALHEALTH SPECIALTY CARE LLC | SALISBURY | MD | NURSE PRACTITIONER | 329 | 18 | $16,970 | $943 | premium | 19.8% | — |
| 92 | UNIVERSITY MEDICAL ASSOCIATES OF THE MEDICAL UNIVERSITY OF SOUTH CAROL | CHARLESTON | SC | PHYSICIAN ASSISTANT | 1692 | 18 | $35,877 | $1,993 | premium | 17.0% | (843) 792-1414 |
| 93 | FLORIDA HOSPITAL PHYSICIAN GROUP INC | TAMPA | FL | DIAGNOSTIC RADIOLOGY | 891 | 18 | $23,634 | $1,313 | premium | 2.2% | (813) 615-7075 |
| 94 | BON SECOURS MEDICAL GROUP GREENVILLE SPECIALTY CARE LLC | GREENVILLE | SC | NURSE PRACTITIONER | 288 | 18 | $14,760 | $820 | premium | 17.0% | (864) 255-1901 |
| 95 | CENTRAL IOWA HOSPITAL CORPORATION | DES MOINES | NY | NURSE PRACTITIONER | 221 | 18 | $26,044 | $1,447 | premium | 2.9% | (515) 241-5700 |
| 96 | EMERGENCY AND ACUTE CARE MEDICAL CORPORATION | SAN DIEGO | CA | INTERNAL MEDICINE | 450 | 17 | $24,531 | $1,443 | premium | 2.9% | (858) 939-3400 |
| 97 | RED SEA HEART CENTER PLC | YUMA | AZ | NURSE PRACTITIONER | 3 | 17 | $16,320 | $960 | premium | 13.7% | (928) 344-9300 |
| 98 | PIONEER VALLEY CARDIOLOGY ASSOCIATES, INC | SPRINGFIELD | MA | NURSE PRACTITIONER | 24 | 17 | $13,092 | $770 | premium | 6.3% | (413) 748-7095 |
| 99 | CARDIOVASCULAR CARE PA | WICHITA | KS | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 15 | 17 | $11,900 | $700 | premium | 15.9% | (316) 616-3333 |
| 100 | FLORIDA CARDIOLOGY PA | WINTER PARK | FL | INTERVENTIONAL CARDIOLOGY | 21 | 17 | $20,804 | $1,224 | premium | 2.1% | (407) 645-1847 |
Showing the top 100 of 180 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 →