472,841 observed fee-for-service (50%) · ~482,355 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; 1 state without payer-mix data excluded. 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 | 93016 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 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 5,636 | $1,065,234 | $189 | premium | 14.2% | — |
| 2 | PIEDMONT CARDIOLOGY OF ATLANTA, LLC | ATLANTA | GA | PHYSICIAN ASSISTANT | 477 | 5,093 | $397,727 | $78 | premium | 19.6% | (404) 605-5000 |
| 3 | PRACTICE ASSOCIATES MEDICAL GROUP | MORRISTOWN | NJ | NURSE PRACTITIONER | 1404 | 4,937 | $364,323 | $74 | premium | 16.0% | (973) 971-5596 |
| 4 | ENDEAVOR HEALTH MEDICAL GROUP | EVANSTON | IL | NURSE PRACTITIONER | 3380 | 4,305 | $394,619 | $92 | premium | 10.9% | — |
| 5 | ST DAVIDS HEART AND VASCULAR PLLC | AUSTIN | TX | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 199 | 4,292 | $304,046 | $71 | premium | 11.7% | (512) 899-2028 |
| 6 | BAPTIST CARDIOLOGY, INC. | JACKSONVILLE | FL | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 99 | 4,160 | $224,717 | $54 | premium | 10.6% | (904) 399-1171 |
| 7 | CLEVELAND CLINIC | CLEVELAND | OH | PHYSICIAN ASSISTANT | 6828 | 4,113 | $763,269 | $186 | premium | 10.6% | — |
| 8 | EISENHOWER MEDICAL CENTER | RANCHO MIRAGE | CA | NURSE PRACTITIONER | 457 | 3,721 | $219,539 | $59 | premium | 9.5% | (760) 340-3911 |
| 9 | CHRISTUS TRINITY CLINIC | TYLER | TX | NURSE PRACTITIONER | 1495 | 3,664 | $176,662 | $48 | premium | 10.0% | (903) 606-5560 |
| 10 | ORLANDO HEALTH MEDICAL GROUP INC | ORLANDO | FL | PHYSICIAN ASSISTANT | 2145 | 3,610 | $268,409 | $74 | premium | 9.2% | (407) 896-1100 |
| 11 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 3,463 | $517,530 | $149 | premium | 10.5% | (212) 263-9700 |
| 12 | WELLSTAR MEDICAL GROUP LLC | MARIETTA | GA | NURSE PRACTITIONER | 3060 | 3,453 | $223,812 | $65 | premium | 13.3% | (770) 422-2004 |
| 13 | THE EMORY CLINIC INC | ATLANTA | GA | NURSE PRACTITIONER | 3484 | 3,079 | $347,125 | $113 | premium | 11.9% | (404) 778-7525 |
| 14 | VIRTUA MEDICAL GROUP, PA | VOORHEES | NJ | PHYSICIAN ASSISTANT | 1662 | 3,068 | $214,760 | $70 | premium | 9.9% | (856) 247-7260 |
| 15 | OHIOHEALTH CORPORATION | COLUMBUS | OH | PHYSICIAN ASSISTANT | 2282 | 3,008 | $141,645 | $47 | premium | 7.7% | — |
| 16 | FRANCISCAN PHYSICIAN NETWORK | INDIANAPOLIS | IN | PHYSICIAN ASSISTANT | 1151 | 2,994 | $131,872 | $44 | premium | 11.3% | — |
| 17 | CARDIOVASCULAR ASSOCIATES OF THE DELAWARE VALLEY,P A | HADDON HEIGHTS | NJ | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 94 | 2,960 | $354,100 | $120 | premium | 9.6% | (856) 546-3003 |
| 18 | SAINT THOMAS MEDICAL PARTNERS | NASHVILLE | TN | NURSE PRACTITIONER | 591 | 2,896 | $148,546 | $51 | premium | 11.6% | (615) 269-4545 |
| 19 | HH HEART CENTER, LLC | HUNTSVILLE | AL | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 90 | 2,831 | $197,590 | $70 | premium | 31.8% | (256) 265-2372 |
| 20 | POUDRE VALLEY MEDICAL GROUP LLC | COLORADO SPRINGS | CO | PHYSICIAN ASSISTANT | 2390 | 2,828 | $140,753 | $50 | premium | 32.7% | — |
| 21 | SCOTT AND WHITE CLINIC | TEMPLE | TX | PHYSICIAN ASSISTANT | 2435 | 2,788 | $306,405 | $110 | premium | 7.6% | (254) 724-2663 |
| 22 | BAPTIST HEALTH MEDICAL GROUP INC | LOUISVILLE | KY | NURSE PRACTITIONER | 2448 | 2,653 | $127,344 | $48 | premium | 26.0% | (502) 928-1050 |
| 23 | BEAUMONT MEDICAL GROUP- SPECIALTY SERVICES | ROYAL OAK | MI | PHYSICIAN ASSISTANT | 833 | 2,588 | $126,048 | $49 | premium | 11.6% | (248) 898-5058 |
| 24 | MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC | BOSTON | MA | DIAGNOSTIC RADIOLOGY | 3532 | 2,558 | $236,675 | $93 | premium | 9.2% | (617) 724-0287 |
| 25 | UNIVERSITY PRIMARY CARE PRACTICES INC | CONNEAUT | OH | FAMILY PRACTICE | 1067 | 2,482 | $179,355 | $72 | premium | 6.4% | — |
| 26 | GEORGIA HEART INSTITUTE LLC | GAINESVILLE | GA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 128 | 2,443 | $200,069 | $82 | premium | 9.4% | (770) 534-2020 |
| 27 | HUDSON VALLEY CARDIOVASCULAR PRACTICE PC | POUGHKEEPSIE | NY | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 72 | 2,393 | $203,405 | $85 | premium | 7.3% | (845) 473-1188 |
| 28 | BARNABAS HEALTH MEDICAL GROUP PC | LIVINGSTON | NJ | NURSE PRACTITIONER | 990 | 2,392 | $312,688 | $131 | premium | 7.7% | — |
| 29 | MERCY CLINIC HEART AND VASCULAR LLC | SAINT LOUIS | MO | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 112 | 2,380 | $166,600 | $70 | premium | 10.4% | (314) 842-0602 |
| 30 | OSF MULTI-SPECIALTY GROUP | PEORIA | IL | NURSE PRACTITIONER | 2091 | 2,360 | $319,088 | $135 | premium | 6.0% | (309) 683-5050 |
| 31 | SAINT LUKES PHYSICIAN GROUP INC | KANSAS CITY | MO | NURSE PRACTITIONER | 1228 | 2,341 | $137,919 | $59 | premium | 10.3% | — |
| 32 | COMMUNITY CARE NETWORK INC | MUNSTER | IN | NURSE PRACTITIONER | 379 | 2,304 | $115,200 | $50 | premium | 8.7% | (219) 836-4563 |
| 33 | PRISMA HEALTH UNIVERSITY MEDICAL GROUP | GREENVILLE | SC | NURSE PRACTITIONER | 2447 | 2,293 | $222,421 | $97 | premium | 15.8% | — |
| 34 | WELLSPAN MEDICAL GROUP | YORK | PA | PHYSICIAN ASSISTANT | 2312 | 2,255 | $110,531 | $49 | premium | 6.6% | — |
| 35 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | NY | PHYSICIAN ASSISTANT | 6294 | 2,230 | $267,600 | $120 | premium | 6.8% | — |
| 36 | BRIGHAM AND WOMENS PHYSICIANS ORGANIZATION INC | BOSTON | MA | PHYSICIAN ASSISTANT | 2942 | 2,216 | $204,793 | $92 | premium | 8.0% | (617) 732-5500 |
| 37 | IHC HEALTH SERVICES INC | MURRAY | UT | PHYSICIAN ASSISTANT | 3944 | 2,174 | $130,513 | $60 | premium | 55.5% | (801) 261-8346 |
| 38 | OHH PHYSICIANS LLC | OKLAHOMA CITY | OK | INTERVENTIONAL CARDIOLOGY | 134 | 2,157 | $143,845 | $67 | premium | 15.2% | (405) 608-3800 |
| 39 | CARDIOLOGY CLINIC OF SAN ANTONIO, PLLC | SAN ANTONIO | TX | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 124 | 2,148 | $133,858 | $62 | premium | 5.9% | (210) 271-3204 |
| 40 | MEMORIAL HEALTH CARE SYSTEM INC. | CHATTANOOGA | TN | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 56 | 2,128 | $155,344 | $73 | premium | 8.5% | (423) 697-2000 |
| 41 | MEDICAL ASSOCIATES OF ENGLEWOOD PC | ENGLEWOOD | NJ | INTERNAL MEDICINE | 550 | 2,097 | $157,275 | $75 | premium | 6.8% | (201) 894-3158 |
| 42 | ADVOCATE HEALTH AND HOSPITALS CORPORATION | BUFFALO GROVE | IL | NURSE PRACTITIONER | 3045 | 2,027 | $162,965 | $80 | premium | 5.1% | (847) 459-1160 |
| 43 | MAYO CLINIC | ROCHESTER | MN | NURSE PRACTITIONER | 4896 | 1,913 | $321,651 | $168 | premium | 15.3% | (507) 284-2511 |
| 44 | HEART HOSPITAL OF SOUTH DAKOTA LLC | SIOUX FALLS | SD | NURSE PRACTITIONER | 67 | 1,858 | $76,758 | $41 | premium | 27.5% | (605) 977-7000 |
| 45 | ST VINCENT'S AMBULATORY CARE INC | JACKSONVILLE | FL | NURSE PRACTITIONER | 294 | 1,815 | $323,438 | $178 | premium | 4.6% | (904) 308-6900 |
| 46 | HEALTH FIRST MEDICAL GROUP, LLC | MELBOURNE | FL | NURSE PRACTITIONER | 669 | 1,804 | $75,768 | $42 | premium | 4.6% | (321) 434-8878 |
| 47 | AURORA MEDICAL GROUP, INC. | MILWAUKEE | WI | DIAGNOSTIC RADIOLOGY | 3696 | 1,802 | $476,480 | $264 | premium | 12.4% | (414) 421-8400 |
| 48 | LEHIGH VALLEY PHYSICIAN GROUP | ALLENTOWN | PA | PHYSICIAN ASSISTANT | 2389 | 1,778 | $180,352 | $101 | premium | 5.2% | — |
| 49 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 1,768 | $160,888 | $91 | premium | 4.5% | (916) 681-8852 |
| 50 | PINNACLE HEALTH CARDIOVASCULAR INSTITUTE INC | MECHANICSBURG | PA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 113 | 1,744 | $88,286 | $51 | premium | 5.1% | (717) 731-0101 |
| 51 | MUSC COMMUNITY PHYSICIANS | ORANGEBURG | SC | NURSE PRACTITIONER | 1307 | 1,740 | $357,346 | $205 | premium | 12.0% | (803) 395-3400 |
| 52 | RIVERSIDE PHYSICIAN SERVICES INC | NEWPORT NEWS | VA | PHYSICIAN ASSISTANT | 793 | 1,736 | $74,648 | $43 | premium | 11.0% | — |
| 53 | NORTH CAROLINA MG LLC | RALEIGH | NC | PHYSICIAN ASSISTANT | 674 | 1,723 | $139,982 | $81 | premium | 9.0% | (919) 881-0160 |
| 54 | OCHSNER CLINIC LLC | NEW ORLEANS | LA | NURSE PRACTITIONER | 2839 | 1,720 | $170,280 | $99 | premium | 17.8% | (504) 842-3000 |
| 55 | LEE HEALTH SYSTEM INC | FORT MYERS | FL | NURSE PRACTITIONER | 1370 | 1,619 | $136,288 | $84 | premium | 4.1% | (239) 343-9888 |
| 56 | PREMIER HEALTH SPECIALISTS INC | DAYTON | OH | PHYSICIAN ASSISTANT | 574 | 1,610 | $92,421 | $57 | premium | 4.1% | — |
| 57 | ST LUKES PHYSICIAN GROUP INC | BETHLEHEM | PA | PHYSICIAN ASSISTANT | 2164 | 1,592 | $160,017 | $101 | premium | 4.7% | (484) 526-2400 |
| 58 | HACKENSACK MERIDIAN HEALTH MEDICAL GROUP - SPECIALTY CARE PC | NEPTUNE | NJ | NURSE PRACTITIONER | 1878 | 1,582 | $114,590 | $72 | premium | 5.1% | (732) 362-3663 |
| 59 | SPECTRUM HEALTH PRIMARY CARE PARTNERS | GRAND RAPIDS | MI | PHYSICIAN ASSISTANT | 2255 | 1,572 | $112,364 | $71 | premium | 7.0% | (616) 885-5000 |
| 60 | MERCY HEALTH PHYSICIANS CINCINNATI SPECIALTY CARE LLC | CINCINNATI | OH | NURSE PRACTITIONER | 347 | 1,556 | $62,670 | $40 | premium | 4.0% | (513) 751-4222 |
| 61 | TRIHEALTH H LLC | CINCINNATI | OH | OBSTETRICS/GYNECOLOGY | 853 | 1,533 | $85,848 | $56 | premium | 3.9% | (513) 246-7000 |
| 62 | UMASS MEMORIAL MEDICAL GROUP INC | WORCESTER | MA | PHYSICIAN ASSISTANT | 2483 | 1,530 | $316,768 | $207 | premium | 5.5% | (508) 334-1000 |
| 63 | CEDARS-SINAI MEDICAL CENTER | WEST HOLLYWOOD | CA | NURSE PRACTITIONER | 802 | 1,517 | $298,849 | $197 | premium | 3.9% | (310) 423-3277 |
| 64 | BAPTIST HEALTH | LITTLE ROCK | AR | NURSE PRACTITIONER | 106 | 1,494 | $73,206 | $49 | premium | 13.7% | (501) 227-7596 |
| 65 | MEDICAL AFFILIATES OF CAPE COD INC | HYANNIS | MA | NURSE PRACTITIONER | 236 | 1,490 | $87,329 | $59 | premium | 5.4% | (508) 771-1800 |
| 66 | DIGNITY HEALTH MEDICAL FOUNDATION | FOLSOM | CA | DIAGNOSTIC RADIOLOGY | 1197 | 1,475 | $205,448 | $139 | premium | 3.8% | (916) 983-7476 |
| 67 | ALLINA HEALTH SYSTEM | MINNEAPOLIS | MN | PHYSICIAN ASSISTANT | 3855 | 1,459 | $118,004 | $81 | premium | 11.6% | (612) 863-4000 |
| 68 | ALEXIAN BROTHERS SPECIALTY GROUP | ELK GROVE VILLAGE | IL | NURSE PRACTITIONER | 44 | 1,458 | $84,564 | $58 | premium | 3.7% | (847) 437-5500 |
| 69 | IHA HEALTH SERVICES CORPORATION | YPSILANTI | MI | PHYSICIAN ASSISTANT | 1144 | 1,424 | $128,160 | $90 | premium | 6.4% | — |
| 70 | INTEGRIS CARDIOVASCULAR PHYSICIANS LLC | OKLAHOMA CITY | OK | PHYSICIAN ASSISTANT | 114 | 1,411 | $83,249 | $59 | premium | 10.0% | (405) 951-4345 |
| 71 | THE HEART GROUP OF LANCASTER GENERAL HEALTH | LANCASTER | PA | NURSE PRACTITIONER | 61 | 1,411 | $95,186 | $67 | premium | 4.1% | (717) 544-8300 |
| 72 | PHYSICIAN GROUPS LC | SAINT LOUIS | MO | NURSE PRACTITIONER | 516 | 1,405 | $92,243 | $66 | premium | 6.2% | (314) 273-0195 |
| 73 | KETTERING INDEPENDENT MEDICAL GROUP INC | KETTERING | OH | NURSE PRACTITIONER | 691 | 1,383 | $60,852 | $44 | premium | 3.6% | (937) 395-8646 |
| 74 | SPECIALTY PHYSICIAN GROUP LLC | GERMANTOWN | TN | NURSE PRACTITIONER | 100 | 1,373 | $91,414 | $67 | premium | 5.5% | (901) 763-0200 |
| 75 | LEXINGTON HEALTH INC | WEST COLUMBIA | SC | NURSE PRACTITIONER | 909 | 1,341 | $156,897 | $117 | premium | 9.2% | (803) 744-4900 |
| 76 | CENTENNIAL HEART LLC | NASHVILLE | TN | NURSE PRACTITIONER | 121 | 1,331 | $89,347 | $67 | premium | 5.3% | (615) 515-1900 |
| 77 | FRANCISCAN MEDICAL GROUP | TACOMA | WA | PHYSICIAN ASSISTANT | 1407 | 1,321 | $80,836 | $61 | premium | 9.5% | (253) 428-2200 |
| 78 | PROMEDICA NORTHWEST OHIO CARDIOLOGY CONSULTANTS LLC | TOLEDO | OH | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 79 | 1,294 | $113,872 | $88 | premium | 3.3% | (419) 842-3000 |
| 79 | LAHEY CLINIC INC | BURLINGTON | MA | NURSE PRACTITIONER | 1400 | 1,282 | $125,482 | $98 | premium | 4.6% | — |
| 80 | PORTERCARE ADVENTIST HEALTH SYSTEM | DENVER | CO | PHYSICIAN ASSISTANT | 748 | 1,267 | $79,376 | $63 | premium | 14.7% | (303) 778-5797 |
| 81 | NORTHSIDE CARDIOVASCULAR PROFESSIONAL SERVICES, LLC | ATLANTA | GA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 144 | 1,266 | $79,665 | $63 | premium | 4.9% | (404) 851-8000 |
| 82 | ROPER SAINT FRANCIS PHYSICIANS NETWORK | CHARLESTON | SC | PHYSICIAN ASSISTANT | 539 | 1,246 | $95,126 | $76 | premium | 8.6% | (843) 720-8448 |
| 83 | PROVIDENCE MEDICAL GROUP, LLC | TERRE HAUTE | IN | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 25 | 1,235 | $100,035 | $81 | premium | 4.7% | (812) 232-5936 |
| 84 | UNIVERSITY OF WISCONSIN MEDICAL FOUNDATION INC | MADISON | WI | PHYSICIAN ASSISTANT | 2523 | 1,235 | $345,499 | $280 | premium | 8.5% | (608) 287-2050 |
| 85 | BAYLOR ST. LUKE'S MEDICAL GROUP | THE WOODLANDS | TX | PHYSICIAN ASSISTANT | 177 | 1,213 | $69,800 | $58 | premium | 3.3% | (281) 444-3278 |
| 86 | ST FRANCIS HOSPITAL | WEST ISLIP | NY | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 99 | 1,181 | $80,308 | $68 | premium | 3.6% | (631) 669-2255 |
| 87 | MASS GENERAL BRIGHAM MEDICAL GROUP SUBURBAN MASSACHUSETTS INC | NEWTON | MA | INTERNAL MEDICINE | 535 | 1,180 | $109,236 | $93 | premium | 4.3% | (617) 243-6000 |
| 88 | UNIVERSITY OF PITTSBURGH PHYSICIANS | PITTSBURGH | PA | DIAGNOSTIC RADIOLOGY | 4291 | 1,172 | $210,960 | $180 | premium | 3.4% | — |
| 89 | MERCY HEALTH NORTHWEST ARKANSAS COMMUNITIES | ROGERS | AR | NURSE PRACTITIONER | 316 | 1,167 | $78,285 | $67 | premium | 10.7% | (479) 338-8000 |
| 90 | PARKVIEW HEALTH SYSTEM INC | FORT WAYNE | IN | NURSE PRACTITIONER | 1310 | 1,161 | $136,998 | $118 | premium | 4.4% | (260) 425-5900 |
| 91 | ALLEGHENY CLINIC | PITTSBURGH | PA | PHYSICIAN ASSISTANT | 2293 | 1,160 | $69,050 | $60 | premium | 3.4% | — |
| 92 | INOVA HEALTH CARE SERVICES | FALLS CHURCH | VA | NURSE PRACTITIONER | 1818 | 1,157 | $72,880 | $63 | premium | 7.4% | — |
| 93 | REGENTS OF THE UNIV OF CA | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 1608 | 1,152 | $105,984 | $92 | premium | 3.0% | (877) 827-7463 |
| 94 | UNIVERSITY OF PENN - MEDICAL GROUP | PHILADELPHIA | PA | PHYSICIAN ASSISTANT | 3505 | 1,149 | $379,500 | $330 | premium | 3.4% | (215) 662-2777 |
| 95 | PROVIDENCE MEDICAL FOUNDATION | FULLERTON | CA | PHYSICIAN ASSISTANT | 1455 | 1,144 | $73,576 | $64 | premium | 2.9% | (714) 871-3006 |
| 96 | LIMA MEMORIAL PROFESSIONAL CORPORATION | LIMA | OH | PHYSICIAN ASSISTANT | 169 | 1,139 | $37,081 | $33 | premium | 2.9% | (419) 998-4575 |
| 97 | HARTFORD HEALTHCARE MEDICAL GROUP SPECIALISTS PLLC | STORRS | CT | PHYSICIAN ASSISTANT | 1493 | 1,115 | $91,250 | $82 | premium | 19.4% | (860) 724-2579 |
| 98 | MERCY HEALTH PHYSICIANS LIMA SPECIALTY CARE LLC | LIMA | OH | NURSE PRACTITIONER | 251 | 1,111 | $41,107 | $37 | premium | 2.9% | (419) 227-3361 |
| 99 | BAPTIST MEDICAL GROUP LLC | PENSACOLA | FL | PHYSICIAN ASSISTANT | 248 | 1,102 | $55,100 | $50 | premium | 2.8% | — |
| 100 | MAINEHEALTH | PORTLAND | ME | NURSE PRACTITIONER | 2574 | 1,101 | $54,438 | $49 | premium | 28.1% | (207) 885-9905 |
Showing the top 100 of 1,327 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 →