33418 — Repair of mitral valve through the skin, initial prosthesis
4,925 observed fee-for-service (50%) · ~4,991 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 | 33418 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | CEDARS-SINAI MEDICAL CENTER | WEST HOLLYWOOD | CA | NURSE PRACTITIONER | 802 | 140 | $862,772 | $6,163 | premium | 18.1% | (310) 423-3277 |
| 2 | SENTARA MEDICAL GROUP | NORFOLK | VA | PHYSICIAN ASSISTANT | 1404 | 110 | $368,410 | $3,349 | premium | 43.7% | — |
| 3 | HARVARD MEDICAL FACULTY PHYS AT BETH ISRAEL DEACONESS MED CTR INC | BOSTON | MA | INTERNAL MEDICINE | 1689 | 101 | $588,022 | $5,822 | premium | 56.4% | (781) 983-9088 |
| 4 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 97 | $677,882 | $6,988 | premium | 12.5% | (415) 600-1020 |
| 5 | CHS PHYSICIAN PARTNERS PC | ROSLYN | NY | PHYSICIAN ASSISTANT | 734 | 95 | $600,400 | $6,320 | premium | 15.5% | — |
| 6 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 94 | $2,277,048 | $24,224 | premium | 15.3% | (212) 263-9700 |
| 7 | RIVERVIEW CARDIAC SURGERY PA | PORT CHARLOTTE | FL | THORACIC SURGERY | 6 | 89 | $342,369 | $3,847 | premium | 16.9% | (941) 744-2640 |
| 8 | PIEDMONT CARDIOLOGY OF ATLANTA, LLC | ATLANTA | GA | PHYSICIAN ASSISTANT | 477 | 88 | $385,479 | $4,380 | premium | 37.4% | (404) 605-5000 |
| 9 | SAINT THOMAS MEDICAL PARTNERS | NASHVILLE | TN | NURSE PRACTITIONER | 591 | 85 | $294,950 | $3,470 | premium | 31.2% | (615) 269-4545 |
| 10 | ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI | NEW YORK | NY | PHYSICIAN ASSISTANT | 2818 | 74 | $588,300 | $7,950 | premium | 12.1% | (212) 241-4812 |
| 11 | POUDRE VALLEY MEDICAL GROUP LLC | COLORADO SPRINGS | CO | PHYSICIAN ASSISTANT | 2390 | 73 | $302,512 | $4,144 | premium | 54.1% | — |
| 12 | KANSAS UNIVERSITY PHYSICIANS INC | KANSAS CITY | KS | NURSE PRACTITIONER | 1815 | 73 | $301,934 | $4,136 | premium | 33.8% | (913) 588-1227 |
| 13 | SWEDISH HEALTH SERVICES | SEATTLE | WA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 78 | 73 | $388,539 | $5,322 | premium | 35.4% | (206) 386-6000 |
| 14 | HEALTH FIRST MEDICAL GROUP, LLC | MELBOURNE | FL | NURSE PRACTITIONER | 669 | 73 | $272,144 | $3,728 | premium | 13.9% | (321) 434-8878 |
| 15 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 69 | $611,130 | $8,857 | premium | 23.3% | — |
| 16 | OSF MULTI-SPECIALTY GROUP | PEORIA | IL | NURSE PRACTITIONER | 2091 | 69 | $714,840 | $10,360 | premium | 23.3% | (309) 683-5050 |
| 17 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | NY | PHYSICIAN ASSISTANT | 6294 | 69 | $723,801 | $10,490 | premium | 11.3% | — |
| 18 | ALLINA HEALTH SYSTEM | MINNEAPOLIS | MN | PHYSICIAN ASSISTANT | 3855 | 67 | $536,565 | $8,008 | premium | 39.2% | (612) 863-4000 |
| 19 | HEART HOSPITAL OF SOUTH DAKOTA LLC | SIOUX FALLS | SD | NURSE PRACTITIONER | 67 | 65 | $62,398 | $960 | premium | 100.0% | (605) 977-7000 |
| 20 | CLEVELAND CLINIC | CLEVELAND | OH | PHYSICIAN ASSISTANT | 6828 | 65 | $890,890 | $13,706 | premium | 38.2% | — |
| 21 | VANDERBILT UNIVERSITY MEDICAL CENTER | NASHVILLE | TN | NURSE PRACTITIONER | 3394 | 63 | $718,074 | $11,398 | premium | 23.2% | (615) 322-5000 |
| 22 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 61 | $356,663 | $5,847 | premium | 7.9% | (916) 681-8852 |
| 23 | REGENTS OF THE UNIV OF CA | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 1608 | 58 | $376,014 | $6,483 | premium | 7.5% | (877) 827-7463 |
| 24 | COMMUNITY CARE NETWORK INC | MUNSTER | IN | NURSE PRACTITIONER | 379 | 55 | $137,060 | $2,492 | premium | 38.2% | (219) 836-4563 |
| 25 | INTEGRATED CARDIOLOGY GROUP LLC | LINCOLN | NE | PHYSICIAN ASSISTANT | 78 | 50 | $169,723 | $3,394 | premium | 65.8% | (402) 483-3333 |
| 26 | UNIVERSITY MEDICAL ASSOCIATES OF THE MEDICAL UNIVERSITY OF SOUTH CAROL | CHARLESTON | SC | PHYSICIAN ASSISTANT | 1692 | 49 | $360,308 | $7,353 | premium | 33.8% | (843) 792-1414 |
| 27 | WELLMONT CARDIOLOGY SERVICES | KINGSPORT | TN | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 138 | 49 | $187,465 | $3,826 | premium | 18.0% | (423) 230-5000 |
| 28 | INOVA HEALTH CARE SERVICES | FALLS CHURCH | VA | NURSE PRACTITIONER | 1818 | 49 | $263,032 | $5,368 | premium | 19.4% | — |
| 29 | SCRIPPS HEALTH | LA JOLLA | CA | PHYSICIAN ASSISTANT | 1431 | 48 | $309,963 | $6,458 | premium | 6.2% | (858) 455-9100 |
| 30 | MAYO CLINIC JACKSONVILLE | JACKSONVILLE | FL | NURSE PRACTITIONER | 1587 | 45 | $776,084 | $17,246 | premium | 8.5% | (904) 953-2000 |
| 31 | MEMORIAL HERMANN MEDICAL GROUP | HOUSTON | TX | HOSPITALIST | 747 | 44 | $98,908 | $2,248 | premium | 10.3% | (713) 242-2222 |
| 32 | THE EMORY CLINIC INC | ATLANTA | GA | NURSE PRACTITIONER | 3484 | 43 | $573,027 | $13,326 | premium | 18.3% | (404) 778-7525 |
| 33 | TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK | NEW YORK | NY | NURSE PRACTITIONER | 2273 | 40 | $385,585 | $9,640 | premium | 6.5% | (212) 305-8559 |
| 34 | THE CURATORS OF THE UNIVERSITY OF MISSOURI | COLUMBIA | MO | PHYSICIAN ASSISTANT | 1116 | 40 | $208,592 | $5,215 | premium | 29.9% | (573) 882-2667 |
| 35 | PROVIDENCE MEDICAL FOUNDATION | FULLERTON | CA | PHYSICIAN ASSISTANT | 1455 | 39 | $194,592 | $4,990 | premium | 5.0% | (714) 871-3006 |
| 36 | WELLSTAR MEDICAL GROUP LLC | MARIETTA | GA | NURSE PRACTITIONER | 3060 | 39 | $104,984 | $2,692 | premium | 16.6% | (770) 422-2004 |
| 37 | ST DAVIDS HEART AND VASCULAR PLLC | AUSTIN | TX | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 199 | 38 | $108,436 | $2,854 | premium | 8.9% | (512) 899-2028 |
| 38 | GEORGIA HEART INSTITUTE LLC | GAINESVILLE | GA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 128 | 37 | $227,217 | $6,141 | premium | 15.7% | (770) 534-2020 |
| 39 | HEART SOUTH CARDIOVASCULAR GROUP, P.C. | BIRMINGHAM | AL | NURSE PRACTITIONER | 23 | 37 | $80,956 | $2,188 | premium | 77.1% | (205) 877-2838 |
| 40 | HEALTHTEXAS PROVIDER NETWORK | DALLAS | TX | PHYSICIAN ASSISTANT | 2482 | 37 | $251,757 | $6,804 | premium | 8.6% | — |
| 41 | BAPTIST CARDIOLOGY, INC. | JACKSONVILLE | FL | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 99 | 36 | $192,229 | $5,340 | premium | 6.8% | (904) 399-1171 |
| 42 | MYMICHIGAN MEDICAL CENTER MIDLAND | MIDLAND | VA | PHYSICIAN ASSISTANT | 469 | 35 | $124,320 | $3,552 | premium | 13.9% | (989) 633-8018 |
| 43 | CARDIOLOGY CLINIC OF SAN ANTONIO, PLLC | SAN ANTONIO | TX | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 124 | 35 | $175,217 | $5,006 | premium | 8.2% | (210) 271-3204 |
| 44 | OHH PHYSICIANS LLC | OKLAHOMA CITY | OK | INTERVENTIONAL CARDIOLOGY | 134 | 34 | $187,000 | $5,500 | premium | 34.7% | (405) 608-3800 |
| 45 | SAINT LUKES PHYSICIAN GROUP INC | KANSAS CITY | MO | NURSE PRACTITIONER | 1228 | 32 | $152,960 | $4,780 | premium | 23.9% | — |
| 46 | TRI-CITY CARDIOLOGY CONSULTANTS PC | MESA | AZ | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 41 | 32 | $113,920 | $3,560 | premium | 12.9% | (480) 835-6100 |
| 47 | PROMEDICA NORTHWEST OHIO CARDIOLOGY CONSULTANTS LLC | TOLEDO | OH | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 79 | 30 | $113,160 | $3,772 | premium | 17.6% | (419) 842-3000 |
| 48 | FLORIDA HOSPITAL MEDICAL GROUP INC | MAITLAND | FL | PHYSICIAN ASSISTANT | 1634 | 30 | $167,700 | $5,590 | premium | 5.7% | (407) 200-2700 |
| 49 | HEART ONE ASSOCIATES LLC | PHOENIX | AZ | INTERVENTIONAL CARDIOLOGY | 21 | 30 | $63,663 | $2,122 | premium | 12.1% | (602) 584-5444 |
| 50 | GOLDEN STATE PROVIDERS, A MEDICAL CORPORATION | THOUSAND OAKS | CA | PHYSICIAN ASSISTANT | 22 | 29 | $176,965 | $6,102 | premium | 3.7% | (805) 852-9100 |
| 51 | MONTEFIORE MEDICAL CENTER | BRONX | NY | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 2796 | 29 | $624,805 | $21,545 | premium | 4.7% | (866) 633-8255 |
| 52 | PRISMA HEALTH MEDICAL GROUP-MIDLANDS | COLUMBIA | SC | PHYSICIAN ASSISTANT | 1017 | 28 | $111,440 | $3,980 | premium | 19.3% | (803) 749-5101 |
| 53 | NCHMD INC | NAPLES | FL | NEUROLOGY | 515 | 27 | $113,157 | $4,191 | premium | 5.1% | (239) 436-5100 |
| 54 | SUNRISE MOUNTAINVIEW MULTISPECIALTY CLINICS LLC | LAS VEGAS | NV | NURSE PRACTITIONER | 60 | 27 | $156,925 | $5,812 | premium | 34.2% | (702) 916-8431 |
| 55 | COMMUNITY MEDICAL ASSOCIATES INC | LOUISVILLE | KY | NURSE PRACTITIONER | 1377 | 25 | $146,350 | $5,854 | premium | 100.0% | (502) 937-2209 |
| 56 | MAYO CLINIC | ROCHESTER | MN | NURSE PRACTITIONER | 4896 | 24 | $305,040 | $12,710 | premium | 14.0% | (507) 284-2511 |
| 57 | PRACTICE ASSOCIATES MEDICAL GROUP | MORRISTOWN | NJ | NURSE PRACTITIONER | 1404 | 24 | $158,352 | $6,598 | premium | 15.5% | (973) 971-5596 |
| 58 | EISENHOWER MEDICAL CENTER | RANCHO MIRAGE | CA | NURSE PRACTITIONER | 457 | 24 | $111,720 | $4,655 | premium | 3.1% | (760) 340-3911 |
| 59 | BRIGHAM AND WOMENS PHYSICIANS ORGANIZATION INC | BOSTON | MA | PHYSICIAN ASSISTANT | 2942 | 24 | $227,760 | $9,490 | premium | 13.4% | (617) 732-5500 |
| 60 | INTEGRIS CARDIOVASCULAR PHYSICIANS LLC | OKLAHOMA CITY | OK | PHYSICIAN ASSISTANT | 114 | 24 | $72,072 | $3,003 | premium | 24.5% | (405) 951-4345 |
| 61 | SAINT ALPHONSUS REGIONAL MEDICAL CENTER INC | BOISE | ID | PHYSICIAN ASSISTANT | 647 | 24 | $131,160 | $5,465 | premium | 100.0% | — |
| 62 | ENDEAVOR HEALTH MEDICAL GROUP | EVANSTON | IL | NURSE PRACTITIONER | 3380 | 24 | $160,296 | $6,679 | premium | 8.1% | — |
| 63 | MEMORIALCARE MEDICAL FOUNDATION | LONG BEACH | CA | FAMILY PRACTICE | 549 | 23 | $144,716 | $6,292 | premium | 3.0% | (562) 346-2222 |
| 64 | ST PAUL PLACE SPECIALISTS, INC. | BALTIMORE | MD | PHYSICIAN ASSISTANT | 337 | 23 | $94,300 | $4,100 | premium | 25.6% | (410) 663-8100 |
| 65 | ADVANCED CARDIOVASCULAR SPECIALISTS | SHREVEPORT | LA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 22 | 23 | $89,562 | $3,894 | premium | 26.4% | (318) 798-9400 |
| 66 | WEILL MEDICAL COLLEGE OF CORNELL | NEW YORK | NY | INTERNAL MEDICINE | 2053 | 23 | $172,845 | $7,515 | premium | 3.8% | (212) 746-5454 |
| 67 | STANFORD HEALTH CARE | STANFORD | CA | DIAGNOSTIC RADIOLOGY | 3039 | 23 | $175,007 | $7,609 | premium | 3.0% | (650) 723-4000 |
| 68 | MUSC COMMUNITY PHYSICIANS | ORANGEBURG | SC | NURSE PRACTITIONER | 1307 | 23 | $168,216 | $7,314 | premium | 15.9% | (803) 395-3400 |
| 69 | ORLANDO CARDIAC AND VASCULAR SPECIALISTS LLC | ALTAMONTE SPRINGS | FL | NURSE PRACTITIONER | 14 | 23 | $86,204 | $3,748 | premium | 4.4% | (407) 915-5643 |
| 70 | MEDICAL ASSOCIATES OF ENGLEWOOD PC | ENGLEWOOD | NJ | INTERNAL MEDICINE | 550 | 23 | $138,000 | $6,000 | premium | 14.8% | (201) 894-3158 |
| 71 | CAPITAL CARDIOLOGY ASSOCIATES PLLC | ALBANY | NY | NURSE PRACTITIONER | 68 | 23 | $78,200 | $3,400 | premium | 3.8% | (518) 292-6000 |
| 72 | HENDRICK PROVIDER NETWORK | ABILENE | TX | PHYSICIAN ASSISTANT | 249 | 22 | $112,156 | $5,098 | premium | 5.1% | (325) 672-4372 |
| 73 | PARK NICOLLET CLINIC | ST LOUIS PARK | MI | PHYSICIAN ASSISTANT | 1754 | 22 | $181,434 | $8,247 | premium | 36.1% | (952) 993-3123 |
| 74 | CARDIOLOGY SPECIALISTS OF ACADIANA, LLC | LAFAYETTE | LA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 17 | 22 | $123,200 | $5,600 | premium | 25.3% | 3372699777139 |
| 75 | LOYOLA UNIVERSITY MEDICAL CENTER | MAYWOOD | IL | NURSE PRACTITIONER | 933 | 22 | $144,188 | $6,554 | premium | 7.4% | (708) 216-8372 |
| 76 | ADVANCED CARDIOVASCULAR CONSULTANTS LLC | WEST PALM BEACH | FL | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 11 | 22 | $65,640 | $2,984 | premium | 4.2% | 5618826060227 |
| 77 | CARDIOVASCULAR ASSOCIATES OF THE DELAWARE VALLEY,P A | HADDON HEIGHTS | NJ | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 94 | 21 | $76,650 | $3,650 | premium | 13.5% | (856) 546-3003 |
| 78 | ATLANTICARE PHYSICIAN GROUP PA | EGG HARBOR TOWNSHIP | NJ | NURSE PRACTITIONER | 507 | 21 | $79,002 | $3,762 | premium | 13.5% | — |
| 79 | PARK NICOLLET CLINIC | ST LOUIS PARK | MN | PHYSICIAN ASSISTANT | 1754 | 21 | $173,187 | $8,247 | premium | 12.3% | (952) 993-3123 |
| 80 | SPECIALTY ASSOCIATES OF WEST HOUSTON PLLC | HOUSTON | TX | PHYSICIAN ASSISTANT | 125 | 21 | $121,965 | $5,808 | premium | 4.9% | (281) 461-6830 |
| 81 | OHIOHEALTH CORPORATION | COLUMBUS | OH | PHYSICIAN ASSISTANT | 2282 | 21 | $118,818 | $5,658 | premium | 12.4% | — |
| 82 | UNIVERSITY HOSPITALS MEDICAL GROUP INC | CLEVELAND | WV | NURSE PRACTITIONER | 2232 | 21 | $161,595 | $7,695 | premium | 100.0% | — |
| 83 | VHS OUTPATIENT CLINICS INC | PHOENIX | AZ | PHYSICIAN ASSISTANT | 180 | 21 | $110,103 | $5,243 | premium | 8.5% | (602) 274-6506 |
| 84 | MID-ATLANTIC SURGICAL ASSOC. | NEPTUNE | NJ | CARDIAC SURGERY | 5 | 21 | $62,370 | $2,970 | premium | 13.5% | (732) 776-4622 |
| 85 | UNIVERSITY OF MARYLAND ST JOSEPH MEDICAL GROUP LLC | TOWSON | MD | NURSE PRACTITIONER | 292 | 20 | $111,620 | $5,581 | premium | 22.2% | (410) 337-4877 |
| 86 | UNIVERSITY OF VIRGINIA PHYSICIANS GROUP | CHARLOTTESVILLE | VA | NURSE PRACTITIONER | 1704 | 20 | $127,420 | $6,371 | premium | 7.9% | (434) 924-5959 |
| 87 | THE VANCOUVER CLINIC INC PS | VANCOUVER | WA | PHYSICIAN ASSISTANT | 574 | 20 | $106,893 | $5,345 | premium | 9.7% | (360) 882-2778 |
| 88 | FRANCISCAN PHYSICIAN NETWORK | INDIANAPOLIS | IN | PHYSICIAN ASSISTANT | 1151 | 20 | $69,480 | $3,474 | premium | 13.9% | — |
| 89 | CARDIOVASCULAR SOLUTIONS INSTITUTE LLC | BRADENTON | FL | INTERVENTIONAL CARDIOLOGY | 3 | 20 | $39,788 | $1,989 | premium | 3.8% | (941) 747-8789 |
| 90 | INTERCOASTAL MEDICAL GROUP INC | SARASOTA | FL | DIAGNOSTIC RADIOLOGY | 187 | 19 | $75,981 | $3,999 | premium | 3.6% | (941) 366-1888 |
| 91 | PRACTICE ASSOCIATES MEDICAL GROUP | MORRISTOWN | NY | NURSE PRACTITIONER | 1404 | 19 | $125,362 | $6,598 | premium | 3.1% | (973) 971-5596 |
| 92 | MEDICAL ASSOCIATES OF BREVARD LLC | MELBOURNE | FL | NURSE PRACTITIONER | 82 | 19 | $92,435 | $4,865 | premium | 3.6% | (321) 622-8730 |
| 93 | COMMUNITY CARE SERVICES LLC | RENO | NV | NURSE PRACTITIONER | 601 | 19 | $63,273 | $3,330 | premium | 24.1% | — |
| 94 | UT PHYSICIANS | HOUSTON | TX | NURSE PRACTITIONER | 1758 | 18 | $170,550 | $9,475 | premium | 4.2% | (713) 566-5000 |
| 95 | UNIVERSITY MEDICAL SERVICE ASSOCIATION INC | TAMPA | FL | NURSE PRACTITIONER | 814 | 18 | $78,153 | $4,342 | premium | 3.4% | — |
| 96 | CARDIOVASCULAR CENTER AT TUFTS MEDICAL CENTER INC | BOSTON | NY | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 94 | 18 | $94,440 | $5,247 | premium | 2.9% | (617) 636-5000 |
| 97 | LEXINGTON HEALTH INC | WEST COLUMBIA | SC | NURSE PRACTITIONER | 909 | 18 | $98,262 | $5,459 | premium | 12.4% | (803) 744-4900 |
| 98 | CENTRACARE CLINIC | SAINT CLOUD | MN | PHYSICIAN ASSISTANT | 747 | 18 | $84,505 | $4,695 | premium | 10.5% | (320) 252-5131 |
| 99 | CLINICAL HEALTH CARE ASSOCIATES OF NEW JERSEY PC | CHERRY HILL | PA | DIAGNOSTIC RADIOLOGY | 825 | 18 | $101,970 | $5,665 | premium | 25.0% | (856) 433-2535 |
| 100 | THE REGENTS OF THE UNIVERSITY OF CALIFORNIA | LOS ANGELES | CA | INTERNAL MEDICINE | 1424 | 17 | $145,285 | $8,546 | premium | 2.2% | (310) 825-7922 |
Showing the top 100 of 167 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 →