30,058 observed fee-for-service (50%) · ~30,469 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 | 93017 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 | CARDIOVASCULAR ASSOCIATES OF THE DELAWARE VALLEY,P A | HADDON HEIGHTS | NJ | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 94 | 2,810 | $401,830 | $143 | premium | 81.7% | (856) 546-3003 |
| 2 | LEXINGTON HEALTH INC | WEST COLUMBIA | SC | NURSE PRACTITIONER | 909 | 953 | $158,198 | $166 | premium | 53.5% | (803) 744-4900 |
| 3 | ATHAR M. ANSARI M D INC. | EL CENTRO | CA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 2 | 901 | $109,922 | $122 | premium | 13.7% | (760) 353-3222 |
| 4 | ORLANDO HEALTH MEDICAL GROUP INC | ORLANDO | FL | PHYSICIAN ASSISTANT | 2145 | 850 | $93,739 | $110 | premium | 16.7% | (407) 896-1100 |
| 5 | CARDIAC AND VASCULAR CONSULTANTS MD PA | THE VILLAGES | FL | NURSE PRACTITIONER | 12 | 817 | $57,396 | $70 | premium | 16.1% | (352) 633-1966 |
| 6 | HONORHEALTH AMBULATORY | SCOTTSDALE | AZ | PHYSICIAN ASSISTANT | 601 | 787 | $86,322 | $110 | premium | 14.6% | — |
| 7 | NORTH CAROLINA MG LLC | RALEIGH | NC | PHYSICIAN ASSISTANT | 674 | 768 | $96,000 | $125 | premium | 15.0% | (919) 881-0160 |
| 8 | CARDIOVASCULAR INSTITUTE OF THE SOUTH, LLC | LAFAYETTE | LA | NURSE PRACTITIONER | 142 | 694 | $97,160 | $140 | premium | 19.2% | (337) 289-8429 |
| 9 | IMPERIAL VALLEY FAMILY CARE MEDICAL GROUP A P C | EL CENTRO | CA | FAMILY PRACTICE | 23 | 602 | $33,110 | $55 | premium | 9.1% | (760) 353-6363 |
| 10 | FRANCISCAN MEDICAL GROUP | TACOMA | WA | PHYSICIAN ASSISTANT | 1407 | 581 | $62,734 | $108 | premium | 28.5% | (253) 428-2200 |
| 11 | HUTCHINSON CLINIC PA INC | HUTCHINSON | KS | PHYSICIAN ASSISTANT | 131 | 571 | $86,221 | $151 | premium | 36.2% | (620) 669-2500 |
| 12 | LIFETIME CARDIOVASCULAR PLC | GILBERT | AZ | INTERVENTIONAL CARDIOLOGY | 6 | 457 | $23,316 | $51 | premium | 8.5% | (480) 699-5536 |
| 13 | HEART AND VASCULAR ASSOCIATES LLC | SIERRA VISTA | AZ | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 5 | 452 | $31,640 | $70 | premium | 8.4% | (520) 335-2400 |
| 14 | WILMINGTON HEALTH PLLC | WILMINGTON | NC | PHYSICIAN ASSISTANT | 393 | 446 | $71,360 | $160 | premium | 8.7% | (910) 341-1540 |
| 15 | NORTHSIDE CARDIOVASCULAR PROFESSIONAL SERVICES, LLC | ATLANTA | GA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 144 | 427 | $46,543 | $109 | premium | 56.5% | (404) 851-8000 |
| 16 | NORTHERN ARIZONA HEALTHCARE CORPORATION | FLAGSTAFF | AZ | PHYSICIAN ASSISTANT | 395 | 427 | $46,116 | $108 | premium | 7.9% | (928) 773-2249 |
| 17 | HANFORD COMMUNITY HOSPITAL | HANFORD | CA | DIAGNOSTIC RADIOLOGY | 62 | 418 | $45,980 | $110 | premium | 6.3% | (559) 537-0440 |
| 18 | LAREDO CARDIOVASCULAR CONSULTANTS,P.A. | LAREDO | TX | INTERNAL MEDICINE | 4 | 413 | $53,343 | $129 | premium | 9.6% | (956) 725-1228 |
| 19 | KAYNAK MEDICAL SERVICES LLC | YUMA | AZ | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 2 | 394 | $27,580 | $70 | premium | 7.3% | (928) 248-4617 |
| 20 | HEART CENTER OF NORTH TEXAS PA | FORT WORTH | TX | INTERVENTIONAL CARDIOLOGY | 16 | 352 | $22,880 | $65 | premium | 8.2% | (817) 334-2800 |
| 21 | ROPER SAINT FRANCIS PHYSICIANS NETWORK | CHARLESTON | SC | PHYSICIAN ASSISTANT | 539 | 334 | $63,182 | $189 | premium | 18.7% | (843) 720-8448 |
| 22 | POUDRE VALLEY MEDICAL GROUP LLC | COLORADO SPRINGS | CO | PHYSICIAN ASSISTANT | 2390 | 329 | $29,939 | $91 | premium | 65.4% | — |
| 23 | VANDERBILT UNIVERSITY MEDICAL CENTER | NASHVILLE | TN | NURSE PRACTITIONER | 3394 | 312 | $60,528 | $194 | premium | 67.2% | (615) 322-5000 |
| 24 | CASPER CARDIOLOGY | CASPER | WY | PHYSICIAN ASSISTANT | 5 | 306 | $10,572 | $35 | premium | 100.0% | — |
| 25 | THE CURATORS OF THE UNIVERSITY OF MISSOURI | COLUMBIA | MO | PHYSICIAN ASSISTANT | 1116 | 304 | $40,736 | $134 | premium | 37.9% | (573) 882-2667 |
| 26 | MEMORIAL HERMANN MEDICAL GROUP | HOUSTON | TX | HOSPITALIST | 747 | 293 | $23,376 | $80 | premium | 6.8% | (713) 242-2222 |
| 27 | MIDLAND CARDIAC CLINIC, PA | MIDLAND | TX | NURSE PRACTITIONER | 4 | 293 | $65,555 | $224 | premium | 6.8% | (432) 522-1234 |
| 28 | TREASURE COAST CARDIOLOGY PA | OKEECHOBEE | FL | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 2 | 292 | $32,120 | $110 | premium | 5.7% | (863) 467-9400 |
| 29 | EAST ALABAMA HEART AND VASCULAR, LLC | OPELIKA | AL | NURSE PRACTITIONER | 30 | 289 | $23,128 | $80 | premium | 25.0% | (334) 528-5400 |
| 30 | HEALTH CARE AUTHORITY FOR BAPTIST HEALTH, AN AFFILIATE OF UABHS | MONTGOMERY | AL | NURSE PRACTITIONER | 259 | 270 | $113,893 | $422 | premium | 23.4% | (334) 747-8970 |
| 31 | CHARLESTON AREA MEDICAL CENTER INC | CHARLESTON | WV | NURSE PRACTITIONER | 970 | 249 | $395,910 | $1,590 | premium | 80.1% | (304) 388-5432 |
| 32 | UVA COMMUNITY HEALTH MEDICAL GROUP LLC | MANASSAS | VA | NURSE PRACTITIONER | 345 | 246 | $39,455 | $160 | premium | 16.9% | (703) 396-5292 |
| 33 | WKMC CARDIOVASCULAR CONSULTANTS | SHREVEPORT | LA | NURSE PRACTITIONER | 35 | 244 | $29,768 | $122 | premium | 6.8% | (318) 631-6400 |
| 34 | ST DAVIDS HEART AND VASCULAR PLLC | AUSTIN | TX | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 199 | 243 | $36,909 | $152 | premium | 5.6% | (512) 899-2028 |
| 35 | CAROMONT MEDICAL GROUP INC | GASTONIA | NC | NURSE PRACTITIONER | 425 | 240 | $49,100 | $205 | premium | 4.7% | (704) 865-3848 |
| 36 | PREMIER CARDIOVASCULAR CENTER, PLC | CASA GRANDE | AZ | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 6 | 235 | $16,215 | $69 | premium | 4.4% | (520) 381-6300 |
| 37 | PIONEER CARDIOVASCULAR CONSULTANTS, P.C. | TEMPE | AZ | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 4 | 234 | $11,942 | $51 | premium | 4.3% | (480) 345-0034 |
| 38 | YUMA CARDIOLOGY ASSOCIATES PC | YUMA | AZ | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 9 | 233 | $27,727 | $119 | premium | 4.3% | (928) 341-9522 |
| 39 | FLORIDA CLINICAL PRACTICE ASSOCIATION INC | GAINESVILLE | FL | NURSE PRACTITIONER | 1912 | 225 | $45,240 | $201 | premium | 4.4% | (352) 265-8990 |
| 40 | THE HEART CENTER CARDIOLOGY, PC | OPELIKA | AL | INTERNAL MEDICINE | 7 | 224 | $14,280 | $64 | premium | 19.4% | (334) 321-3700 |
| 41 | SOUTHWEST HEART AND VASCULAR CARE, LTD | YUMA | AZ | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 2 | 211 | $29,962 | $142 | premium | 3.9% | (928) 783-5857 |
| 42 | BHS PHYSICIANS NETWORK, INC | SAN ANTONIO | TX | PHYSICIAN ASSISTANT | 696 | 207 | $33,534 | $162 | premium | 4.8% | (210) 614-7414 |
| 43 | COTTON-O'NEIL CLINIC REVOCABLE TRUST | TOPEKA | KS | NURSE PRACTITIONER | 649 | 206 | $40,016 | $194 | premium | 13.1% | (785) 354-9591 |
| 44 | MOWERY CLINIC LLC | SALINA | KS | OBSTETRICS/GYNECOLOGY | 22 | 204 | $28,560 | $140 | premium | 12.9% | — |
| 45 | CHI HEALTH CLINIC SPECIALTY LLC | LINCOLN | NE | NURSE PRACTITIONER | 309 | 201 | $19,698 | $98 | premium | 68.6% | (402) 219-8000 |
| 46 | WEST FLORIDA CARDIOLOGY NETWORK, LLC | SAINT PETERSBURG | FL | PHYSICIAN ASSISTANT | 84 | 196 | $32,396 | $165 | premium | 3.9% | — |
| 47 | DEACONESS ILLINOIS SPECIALTY CLINIC, INC. | MARION | IL | PHYSICIAN ASSISTANT | 127 | 192 | $26,688 | $139 | premium | 1.6% | (618) 998-7000 |
| 48 | LAKE CHARLES MEMORIAL HEART AND VASCULAR CENTER | LAKE CHARLES | LA | NURSE PRACTITIONER | 15 | 187 | $19,074 | $102 | premium | 5.2% | (337) 494-3278 |
| 49 | HEART360 SPECIALISTS PC | NORTH RICHLAND HILLS | TX | NURSE PRACTITIONER | 6 | 186 | $24,835 | $134 | premium | 4.3% | (817) 803-1234 |
| 50 | USMAN QURESHI, MD, PA | ALICE | TX | NURSE PRACTITIONER | 6 | 184 | $17,480 | $95 | premium | 4.3% | (361) 668-4278 |
| 51 | IMC-DIAGNOSTIC AND MEDICAL CLINIC LLC | MOBILE | AL | INTERNAL MEDICINE | 167 | 178 | $14,596 | $82 | premium | 15.4% | — |
| 52 | METHODIST PHYSICIAN PRACTICES PLLC | SAN ANTONIO | TX | INTERVENTIONAL CARDIOLOGY | 169 | 174 | $23,451 | $135 | premium | 4.0% | (210) 575-8289 |
| 53 | CAMARENA HEALTH | MADERA | CA | FAMILY PRACTICE | 88 | 172 | $22,076 | $128 | premium | 2.6% | (559) 664-4000 |
| 54 | OKALOOSA CARDIOLOGY PA | CRESTVIEW | FL | NURSE PRACTITIONER | 11 | 170 | $21,837 | $128 | premium | 3.3% | (850) 682-7212 |
| 55 | SINNATHAMBY CARDIOLOGY SERVICES, INC. | DAYTON | OH | CARDIAC ELECTROPHYSIOLOGY | 7 | 161 | $20,286 | $126 | premium | 34.5% | (937) 424-3589 |
| 56 | YUMA CARDIAC CENTER PC | YUMA | AZ | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 2 | 161 | $25,760 | $160 | premium | 3.0% | (928) 344-8400 |
| 57 | CARDIOVASCULAR ASSOCIATES OF THE DELAWARE VALLEY,P A | HADDON HEIGHTS | PA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 94 | 160 | $22,880 | $143 | premium | 71.1% | (856) 546-3003 |
| 58 | OHH PHYSICIANS LLC | OKLAHOMA CITY | OK | INTERVENTIONAL CARDIOLOGY | 134 | 158 | $25,754 | $163 | premium | 40.5% | (405) 608-3800 |
| 59 | RYAN M SMITH DO INC | KANEOHE | HI | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 7 | 156 | $10,606 | $68 | premium | 42.5% | (808) 636-6393 |
| 60 | REVERE HEALTH PC | PROVO | UT | PHYSICIAN ASSISTANT | 410 | 152 | $18,544 | $122 | premium | 14.9% | — |
| 61 | ALASKA HEART INSTITUTE | ANCHORAGE | AK | PHYSICIAN ASSISTANT | 57 | 152 | $69,646 | $458 | premium | 64.1% | (907) 561-3211 |
| 62 | HEART INSTITUTE OF BROWNSVILLE,LLP. | BROWNSVILLE | TX | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 7 | 152 | $27,968 | $184 | premium | 3.5% | 9565043278113 |
| 63 | VIRGINIA MASON MEDICAL CENTER | SEATTLE | WA | PHYSICIAN ASSISTANT | 879 | 150 | $144,750 | $965 | premium | 7.4% | (206) 223-6600 |
| 64 | CAROLINAS PHYSICIANS NETWORK INC | CHARLOTTE | NC | PHYSICIAN ASSISTANT | 2360 | 149 | $32,595 | $219 | premium | 2.9% | (704) 667-1000 |
| 65 | CHAS PHYSICIAN SERVICES LLC | COLUMBIA | MO | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 22 | 145 | $10,875 | $75 | premium | 18.1% | (573) 256-7700 |
| 66 | EXCEL CARDIAC CARE PLLC | FORT WORTH | TX | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 2 | 144 | $20,160 | $140 | premium | 3.3% | (817) 518-9005 |
| 67 | CORPUS CHRISTI HEART CLINIC, PLLC | CORPUS CHRISTI | TX | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 9 | 132 | $20,415 | $155 | premium | 3.1% | (361) 883-3962 |
| 68 | CENTRAL WASHINGTON HEALTH SERVICES ASSOCIATION | WENATCHEE | WA | PHYSICIAN ASSISTANT | 700 | 129 | $16,899 | $131 | premium | 6.3% | (509) 665-6087 |
| 69 | CARDIOVASCULAR CONSULTANTS MEDICAL GROUP | VALENCIA | CA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 13 | 124 | $49,600 | $400 | premium | 1.9% | (661) 259-1534 |
| 70 | USC CARE MEDICAL GROUP INC | LOS ANGELES | CA | DIAGNOSTIC RADIOLOGY | 1374 | 121 | $35,090 | $290 | premium | 1.8% | (800) 872-2273 |
| 71 | BRENNAN MEDICAL CORPORATION | WATSONVILLE | CA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 2 | 117 | $14,040 | $120 | premium | 1.8% | (831) 768-0220 |
| 72 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 114 | $25,308 | $222 | premium | 1.7% | (415) 600-1020 |
| 73 | CARDIOVASCULAR SPECIALTY CARE CENTER OF COVINGTON, LLC | COVINGTON | LA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 8 | 113 | $20,438 | $181 | premium | 3.1% | (225) 456-5383 |
| 74 | HEALTHTEXAS PROVIDER NETWORK | DALLAS | TX | PHYSICIAN ASSISTANT | 2482 | 113 | $14,262 | $126 | premium | 2.6% | — |
| 75 | MIDWEST CARDIOVASCULAR INSTITUTE SC | NAPERVILLE | IL | INTERVENTIONAL CARDIOLOGY | 49 | 111 | $11,100 | $100 | premium | 0.9% | 33729148544854 |
| 76 | BON SECOURS MEDICAL GROUP HAMPTON ROADS SPECIALTY CARE LLC | PORTSMOUTH | VA | NURSE PRACTITIONER | 200 | 106 | $23,532 | $222 | premium | 7.3% | (757) 215-3565 |
| 77 | WINDWARD HEART CENTER LLC | KAILUA | HI | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 5 | 92 | $9,631 | $105 | premium | 25.1% | (808) 261-2441 |
| 78 | THE GREENVILLE CLINIC | GREENVILLE | MS | NURSE PRACTITIONER | 8 | 90 | $20,027 | $223 | premium | 8.6% | (662) 332-9872 |
| 79 | SPRINGFIELD CLINIC, LLP | SPRINGFIELD | IL | NURSE PRACTITIONER | 686 | 90 | $29,250 | $325 | premium | 0.7% | (217) 544-6464 |
| 80 | VIDANT MEDICAL GROUP LLC | KENANSVILLE | NC | PHYSICIAN ASSISTANT | 956 | 89 | $10,858 | $122 | premium | 1.7% | (910) 296-0941 |
| 81 | WK PIERREMONT CARDIOLOGY | SHREVEPORT | LA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 25 | 88 | $10,736 | $122 | premium | 2.4% | (318) 212-3858 |
| 82 | OKALOOSA CARDIOLOGY PA | CRESTVIEW | OH | NURSE PRACTITIONER | 11 | 86 | $11,013 | $128 | premium | 18.4% | (850) 682-7212 |
| 83 | OKALOOSA CARDIOLOGY PA | CRESTVIEW | IL | NURSE PRACTITIONER | 11 | 86 | $11,161 | $130 | premium | 0.7% | (850) 682-7212 |
| 84 | MUSC COMMUNITY PHYSICIANS | ORANGEBURG | SC | NURSE PRACTITIONER | 1307 | 82 | $21,505 | $262 | premium | 4.6% | (803) 395-3400 |
| 85 | NORTH SHORE - LIJ MEDICAL GROUP AT SYOSSET PC | SMITHTOWN | NY | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 4 | 80 | $31,360 | $392 | premium | 7.2% | (631) 724-1331 |
| 86 | VANDERBILT UNIVERSITY MEDICAL CENTER | NASHVILLE | WI | NURSE PRACTITIONER | 3394 | 79 | $15,326 | $194 | premium | 13.8% | (615) 322-5000 |
| 87 | BIG BEND MEDICAL GROUP | BIG SPRING | TX | NURSE PRACTITIONER | 47 | 79 | $7,663 | $97 | premium | 1.8% | — |
| 88 | MAGNOLIA REGIONAL HEALTH CENTER | CORINTH | MS | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 15 | 78 | $10,140 | $130 | premium | 7.4% | (662) 293-1000 |
| 89 | HEART SOUTH CARDIOVASCULAR GROUP, P.C. | BIRMINGHAM | AL | NURSE PRACTITIONER | 23 | 78 | $4,758 | $61 | premium | 6.8% | (205) 877-2838 |
| 90 | CHRISTUS TRINITY CLINIC | TYLER | TX | NURSE PRACTITIONER | 1495 | 77 | $9,317 | $121 | premium | 1.8% | (903) 606-5560 |
| 91 | FARHAD MELAMED M D A MEDICAL CORPORATION | BEVERLY HILLS | CA | INTERNAL MEDICINE | 3 | 72 | $25,200 | $350 | premium | 1.1% | (310) 657-8400 |
| 92 | CARDIOTHORACIC AND VASCULAR SURGICAL ASSOCIATES PA | JACKSONVILLE | FL | PHYSICIAN ASSISTANT | 89 | 71 | $7,384 | $104 | premium | 1.4% | (904) 398-3888 |
| 93 | YAMPA VALLEY MEDICAL CENTER | STEAMBOAT SPR | NY | DIAGNOSTIC RADIOLOGY | 128 | 67 | $34,501 | $515 | premium | 6.0% | (970) 879-1322 |
| 94 | PROHEALTH PARTNERS, A MEDICAL GROUP | LONG BEACH | CA | INTERNAL MEDICINE | 228 | 67 | $5,505 | $82 | premium | 1.0% | (562) 495-4952 |
| 95 | ROSWELL CLINIC CORP | ROSWELL | NM | NURSE PRACTITIONER | 30 | 65 | $8,905 | $137 | premium | 100.0% | (575) 627-4074 |
| 96 | LEXINGTON HEALTH INC | WEST COLUMBIA | NY | NURSE PRACTITIONER | 909 | 65 | $10,790 | $166 | premium | 5.9% | (803) 744-4900 |
| 97 | VI GOVERNMENT HOSPITAL AND HEALTH FACILITIES CORP | ST THOMAS | TX | EMERGENCY MEDICINE | 36 | 62 | $24,850 | $401 | premium | 1.4% | (340) 776-8311 |
| 98 | WEST VIRGINIA UNIVERSITY MEDICAL CORPORATION | MORGANTOWN | WV | PHYSICIAN ASSISTANT | 1996 | 62 | $7,998 | $129 | premium | 19.9% | (304) 598-4865 |
| 99 | UNC PHYSICIANS NETWORK LLC | CHAPEL HILL | NC | PHYSICIAN ASSISTANT | 985 | 61 | $7,625 | $125 | premium | 1.2% | (919) 942-5123 |
| 100 | RED SEA HEART CENTER PLC | YUMA | AZ | NURSE PRACTITIONER | 3 | 60 | $6,420 | $107 | premium | 1.1% | (928) 344-9300 |
Showing the top 100 of 183 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 →