11,316 observed fee-for-service (50%) · ~11,343 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 | 58571 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 | TEXAS ONCOLOGY PA | DALLAS | TX | PHYSICIAN ASSISTANT | 995 | 343 | $1,108,840 | $3,233 | premium | 42.5% | — |
| 2 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 193 | $574,833 | $2,978 | premium | 16.3% | (415) 600-1020 |
| 3 | HOAG CLINIC | NEWPORT BEACH | CA | PHYSICIAN ASSISTANT | 436 | 182 | $392,010 | $2,154 | premium | 15.3% | (949) 791-3370 |
| 4 | ST PAUL PLACE SPECIALISTS, INC. | BALTIMORE | MD | PHYSICIAN ASSISTANT | 337 | 180 | $570,274 | $3,168 | premium | 39.1% | (410) 663-8100 |
| 5 | FLORIDA HOSPITAL MEDICAL GROUP INC | MAITLAND | FL | PHYSICIAN ASSISTANT | 1634 | 173 | $356,240 | $2,059 | premium | 13.6% | (407) 200-2700 |
| 6 | MINNESOTA ONCOLOGY HEMATOLOGY PA | EDINA | MN | PHYSICIAN ASSISTANT | 135 | 147 | $405,296 | $2,757 | premium | 46.7% | (952) 928-2900 |
| 7 | VIRGINIA ONCOLOGY ASSOCIATES | NORFOLK | VA | PHYSICIAN ASSISTANT | 123 | 146 | $438,876 | $3,006 | premium | 25.7% | — |
| 8 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | NY | PHYSICIAN ASSISTANT | 6294 | 144 | $602,280 | $4,182 | premium | 18.0% | — |
| 9 | ONCOLOGY ASSOCIATES OF OREGON P C | EUGENE | OR | PHYSICIAN ASSISTANT | 47 | 137 | $446,757 | $3,261 | premium | 47.6% | (541) 683-5001 |
| 10 | HONORHEALTH AMBULATORY | SCOTTSDALE | AZ | PHYSICIAN ASSISTANT | 601 | 137 | $359,992 | $2,628 | premium | 26.7% | — |
| 11 | NEBRASKA METHODIST HOSPITAL | OMAHA | NE | NURSE PRACTITIONER | 129 | 124 | $204,444 | $1,649 | premium | 87.3% | (402) 354-4540 |
| 12 | LEHIGH VALLEY PHYSICIAN GROUP | ALLENTOWN | PA | PHYSICIAN ASSISTANT | 2389 | 114 | $268,644 | $2,357 | premium | 15.6% | — |
| 13 | MERCY HEALTH NORTHWEST ARKANSAS COMMUNITIES | ROGERS | AR | NURSE PRACTITIONER | 316 | 112 | $244,160 | $2,180 | premium | 67.5% | (479) 338-8000 |
| 14 | BAYSTATE MEDICAL PRACTICES INC | SPRINGFIELD | MA | PHYSICIAN ASSISTANT | 1326 | 104 | $148,642 | $1,429 | premium | 21.2% | — |
| 15 | MARYLAND ONCOLOGY HEMATOLOGY PA | LAUREL | MD | HEMATOLOGY/ONCOLOGY | 99 | 103 | $309,618 | $3,006 | premium | 22.4% | (301) 982-9800 |
| 16 | SCRIPPS HEALTH | LA JOLLA | CA | PHYSICIAN ASSISTANT | 1431 | 102 | $219,461 | $2,152 | premium | 8.6% | (858) 455-9100 |
| 17 | NORTHSIDE SURGICAL PROFESSIONAL SERVICES LLC | ATLANTA | GA | PHYSICIAN ASSISTANT | 368 | 100 | $271,955 | $2,720 | premium | 23.8% | — |
| 18 | ST LUKES CLINIC-TREASURE VALLEY LLC | BOISE | ID | PHYSICIAN ASSISTANT | 1159 | 98 | $132,559 | $1,353 | premium | 72.6% | (208) 381-4210 |
| 19 | PRIVIA MEDICAL GROUP GULF COAST PLLC | HOUSTON | TX | NURSE PRACTITIONER | 515 | 97 | $193,251 | $1,992 | premium | 12.0% | (713) 512-7500 |
| 20 | MONONGALIA COUNTY GENERAL HOSPITAL COMPANY | MORGANTOWN | WV | PHYSICIAN ASSISTANT | 254 | 92 | $196,128 | $2,132 | premium | 48.2% | (304) 598-1200 |
| 21 | CITY OF HOPE MEDICAL GROUP OF ARIZONA LLC | GOODYEAR | AZ | NURSE PRACTITIONER | 157 | 91 | $255,850 | $2,812 | premium | 17.7% | (623) 207-3000 |
| 22 | SCL HEALTH MEDICAL GROUP - BILLINGS LLC | BILLINGS | MT | PHYSICIAN ASSISTANT | 285 | 90 | $127,971 | $1,422 | premium | 42.9% | (406) 237-3913 |
| 23 | ST VINCENT PHYSICIAN SERVICES HOSPITAL AND HEALTH CARE CENTER | INDIANAPOLIS | IN | INTERNAL MEDICINE | 285 | 89 | $410,112 | $4,608 | premium | 20.6% | (317) 338-7760 |
| 24 | POUDRE VALLEY MEDICAL GROUP LLC | COLORADO SPRINGS | CO | PHYSICIAN ASSISTANT | 2390 | 88 | $178,112 | $2,024 | premium | 37.0% | — |
| 25 | ST PAUL PLACE SPECIALISTS, INC. | BALTIMORE | NC | PHYSICIAN ASSISTANT | 337 | 86 | $88,921 | $1,034 | premium | 15.2% | (410) 663-8100 |
| 26 | FLORIDA CANCER SPECIALISTS AND RESEARCH INSTITUTE, LLC | FORT MYERS | FL | HEMATOLOGY/ONCOLOGY | 437 | 82 | $214,840 | $2,620 | premium | 6.5% | (239) 561-9622 |
| 27 | TRISTAR GYNECOLOGY ONCOLOGY, LLC | NASHVILLE | TN | GYNECOLOGICAL ONCOLOGY | 5 | 82 | $242,882 | $2,962 | premium | 18.4% | (615) 342-1000 |
| 28 | GAINESVILLE GYN ONCOLOGY OF NORTH FLORIDA REGIONAL MEDICAL CENTER, LLC | GAINESVILLE | FL | NURSE PRACTITIONER | 4 | 82 | $303,080 | $3,696 | premium | 6.5% | (352) 333-5946 |
| 29 | WASHINGTON UNIVERSITY | SAINT LOUIS | MO | NURSE PRACTITIONER | 3070 | 81 | $335,918 | $4,147 | premium | 41.3% | (314) 747-3000 |
| 30 | GUNDERSEN LUTHERAN MEDICAL CENTER INC | LA CROSSE | WI | PHYSICIAN ASSISTANT | 901 | 80 | $1,012,300 | $12,654 | premium | 19.8% | (608) 783-7300 |
| 31 | MAYO CLINIC | ROCHESTER | MN | NURSE PRACTITIONER | 4896 | 79 | $480,248 | $6,079 | premium | 25.1% | (507) 284-2511 |
| 32 | SMH PHYSICIAN SERVICES INC | SARASOTA | FL | PHYSICIAN ASSISTANT | 766 | 76 | $299,288 | $3,938 | premium | 6.0% | — |
| 33 | AURORA MEDICAL GROUP, INC. | MILWAUKEE | WI | DIAGNOSTIC RADIOLOGY | 3696 | 75 | $652,680 | $8,702 | premium | 18.5% | (414) 421-8400 |
| 34 | LUMINIS HEALTH MEDICAL GROUP, LLC | ANNAPOLIS | MD | PHYSICIAN ASSISTANT | 544 | 75 | $88,756 | $1,183 | premium | 16.3% | (443) 481-1000 |
| 35 | HEALTH FIRST MEDICAL GROUP, LLC | MELBOURNE | CT | NURSE PRACTITIONER | 669 | 73 | $212,560 | $2,912 | premium | 43.5% | (321) 434-8878 |
| 36 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 71 | $757,499 | $10,669 | premium | 8.9% | (212) 263-9700 |
| 37 | PIEDMONT ATHENS SPECIALTY CARE LLC | ATHENS | GA | PHYSICIAN ASSISTANT | 115 | 70 | $154,258 | $2,204 | premium | 16.7% | (706) 475-7000 |
| 38 | UNIVERSITY OF PITTSBURGH PHYSICIANS | PITTSBURGH | PA | DIAGNOSTIC RADIOLOGY | 4291 | 70 | $224,100 | $3,201 | premium | 9.6% | — |
| 39 | BAPTIST MD ANDERSON CANCER PHYSICIANS INC | JACKSONVILLE | FL | PHYSICIAN ASSISTANT | 118 | 70 | $103,277 | $1,475 | premium | 5.5% | (904) 202-7300 |
| 40 | PROVIDENCE MEDICAL INSTITUTE | TORRANCE | CA | INTERNAL MEDICINE | 339 | 70 | $124,552 | $1,779 | premium | 5.9% | (310) 303-7496 |
| 41 | SWEDISH HEALTH SERVICES | SEATTLE | WA | PHYSICIAN ASSISTANT | 1033 | 70 | $164,151 | $2,345 | premium | 16.2% | — |
| 42 | ASSOCIATES IN WOMENS HEALTH PA | WICHITA | KS | OBSTETRICS/GYNECOLOGY | 27 | 67 | $137,768 | $2,056 | premium | 32.5% | (316) 722-5141 |
| 43 | UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL | CHAPEL HILL | NC | NURSE PRACTITIONER | 2120 | 66 | $113,573 | $1,721 | premium | 11.7% | (984) 215-5556 |
| 44 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 65 | $237,590 | $3,655 | premium | 5.5% | (916) 681-8852 |
| 45 | UNIVERSITY OF PENN - MEDICAL GROUP | PHILADELPHIA | PA | PHYSICIAN ASSISTANT | 3505 | 65 | $269,100 | $4,140 | premium | 8.9% | (215) 662-2777 |
| 46 | ENDEAVOR HEALTH MEDICAL GROUP | EVANSTON | IL | NURSE PRACTITIONER | 3380 | 65 | $234,520 | $3,608 | premium | 14.4% | — |
| 47 | MAIN LINE HEALTHCARE | BRYN MAWR | PA | NURSE PRACTITIONER | 1157 | 65 | $195,662 | $3,010 | premium | 8.9% | — |
| 48 | SHAWNEE MISSION MEDICAL CENTER INC | MERRIAM | KS | NURSE PRACTITIONER | 262 | 64 | $218,979 | $3,422 | premium | 31.1% | (913) 676-2000 |
| 49 | PRACTICE ASSOCIATES MEDICAL GROUP | MORRISTOWN | NJ | NURSE PRACTITIONER | 1404 | 64 | $208,832 | $3,263 | premium | 15.9% | (973) 971-5596 |
| 50 | STANFORD HEALTH CARE | STANFORD | CA | DIAGNOSTIC RADIOLOGY | 3039 | 63 | $222,122 | $3,526 | premium | 5.3% | (650) 723-4000 |
| 51 | AFFILIATED ONCOLOGISTS LLC | OAK LAWN | IL | PHYSICIAN ASSISTANT | 40 | 63 | $189,378 | $3,006 | premium | 14.0% | (708) 684-5475 |
| 52 | WESTERN MONTANA CLINIC PC | MISSOULA | MT | FAMILY PRACTICE | 44 | 62 | $50,912 | $821 | premium | 29.5% | (406) 721-5600 |
| 53 | STATE UNIVERSITY OF IOWA | IOWA CITY | IA | PHYSICIAN ASSISTANT | 1902 | 61 | $293,393 | $4,810 | premium | 25.3% | (319) 678-8201 |
| 54 | UNIVERSITY OF LOUISVILLE PHYSICIANS INC | LOUISVILLE | KY | NURSE PRACTITIONER | 1442 | 61 | $175,203 | $2,872 | premium | 34.7% | (502) 629-2398 |
| 55 | THE PRESBYTERIAN HOSPITAL | CHARLOTTE | NC | CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) | 406 | 59 | $101,714 | $1,724 | premium | 10.4% | (704) 384-4000 |
| 56 | GEISINGER CLINIC | DANVILLE | PA | PHYSICIAN ASSISTANT | 3426 | 56 | $237,546 | $4,242 | premium | 7.7% | (570) 271-6144 |
| 57 | HEALTHONE CLINIC SERVICES-SURGICAL SPECIALTIES LLC | DENVER | CO | PHYSICIAN ASSISTANT | 44 | 56 | $172,935 | $3,088 | premium | 23.5% | (303) 750-4933 |
| 58 | CITY OF HOPE MEDICAL FOUNDATION | DUARTE | CA | NURSE PRACTITIONER | 942 | 55 | $207,181 | $3,767 | premium | 4.6% | (626) 256-4673 |
| 59 | PROVIDENCE HEALTH AND SERVICES WASHINGTON | SPOKANE | WA | PHYSICIAN ASSISTANT | 771 | 54 | $103,881 | $1,924 | premium | 12.5% | — |
| 60 | ONCOLOGY HEMATOLOGY CONSULTANTS, PA | FORT WORTH | TX | HEMATOLOGY/ONCOLOGY | 69 | 53 | $157,500 | $2,972 | premium | 6.6% | (817) 759-7000 |
| 61 | NORTHWEST CANCER SPECIALISTS PC | PORTLAND | OR | PHYSICIAN ASSISTANT | 68 | 51 | $170,387 | $3,341 | premium | 17.7% | (503) 280-1223 |
| 62 | MULTICARE HEALTH SYSTEM | GIG HARBOR | WA | NURSE PRACTITIONER | 2289 | 50 | $128,274 | $2,565 | premium | 11.5% | — |
| 63 | IU HEALTH MEDICAL GROUP, LLC | INDIANAPOLIS | IN | NURSE PRACTITIONER | 4250 | 48 | $109,824 | $2,288 | premium | 11.1% | (888) 484-3258 |
| 64 | SOUTHWEST WOMEN'S ONCOLOGY INC | ALBUQUERQUE | NM | PHYSICIAN ASSISTANT | 13 | 47 | $151,246 | $3,218 | premium | 63.5% | (505) 843-7813 |
| 65 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 47 | $166,860 | $3,550 | premium | 10.4% | — |
| 66 | OKLAHOMA CANCER SPECIALISTS AND RESEARCH INSTITUTE, LLC | TULSA | OK | NURSE PRACTITIONER | 47 | 47 | $101,614 | $2,162 | premium | 29.4% | (918) 505-3200 |
| 67 | NORTHEAST GEORGIA PHYSICIANS GROUP INC | GAINESVILLE | GA | PHYSICIAN ASSISTANT | 901 | 46 | $139,913 | $3,042 | premium | 11.0% | (770) 219-7777 |
| 68 | CABELL HUNTINGTON HOSPITAL INC | HUNTINGTON | WV | FAMILY PRACTICE | 83 | 46 | $109,290 | $2,376 | premium | 24.1% | (304) 691-8500 |
| 69 | MISSION HEALTH COMMUNITY MULTISPECIALTY PROVIDERS LLC | ASHEVILLE | NC | PHYSICIAN ASSISTANT | 593 | 45 | $138,105 | $3,069 | premium | 8.0% | (828) 213-1740 |
| 70 | HACKENSACK MERIDIAN HEALTH MEDICAL GROUP - SPECIALTY CARE PC | NEPTUNE | NJ | NURSE PRACTITIONER | 1878 | 45 | $126,641 | $2,814 | premium | 11.2% | (732) 362-3663 |
| 71 | ADVOCATE HEALTH AND HOSPITALS CORPORATION | BUFFALO GROVE | IL | NURSE PRACTITIONER | 3045 | 45 | $225,381 | $5,008 | premium | 10.0% | (847) 459-1160 |
| 72 | VALLEY OBSTETRICS AND GYNECOLOGY, PC | PROVO | UT | OBSTETRICS/GYNECOLOGY | 48 | 45 | $113,625 | $2,525 | premium | 63.4% | (801) 374-1801 |
| 73 | ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI | NEW YORK | NY | PHYSICIAN ASSISTANT | 2818 | 45 | $611,025 | $13,578 | premium | 5.6% | (212) 241-4812 |
| 74 | FRANCISCAN MEDICAL GROUP | TACOMA | WA | PHYSICIAN ASSISTANT | 1407 | 45 | $120,489 | $2,678 | premium | 10.4% | (253) 428-2200 |
| 75 | SOUTH CAROLINA ONCOLOGY ASSOC PA | COLUMBIA | SC | HEMATOLOGY/ONCOLOGY | 18 | 44 | $106,172 | $2,413 | premium | 24.3% | (803) 461-3000 |
| 76 | CAROLINAS MEDICAL CENTER | CHARLOTTE | NC | PHYSICIAN ASSISTANT | 1034 | 44 | $168,191 | $3,823 | premium | 7.8% | (704) 355-2000 |
| 77 | OHIOHEALTH CORPORATION | COLUMBUS | OH | PHYSICIAN ASSISTANT | 2282 | 43 | $135,545 | $3,152 | premium | 12.6% | — |
| 78 | MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC | BOSTON | MA | DIAGNOSTIC RADIOLOGY | 3532 | 43 | $169,242 | $3,936 | premium | 8.8% | (617) 724-0287 |
| 79 | ST CHARLES HEALTH SYSTEM INC | BEND | OR | PHYSICIAN ASSISTANT | 373 | 42 | $139,922 | $3,331 | premium | 14.6% | (541) 706-7715 |
| 80 | PETER C LIM MD LTD | RENO | NV | PHYSICIAN ASSISTANT | 7 | 42 | $307,288 | $7,316 | premium | 48.3% | (775) 327-4673 |
| 81 | THE IOWA CLINIC PC | WEST DES MOINES | IA | PHYSICIAN ASSISTANT | 302 | 42 | $28,639 | $682 | premium | 17.4% | (515) 343-1000 |
| 82 | MERCY CLINIC OKLAHOMA COMMUNITIES | OKLAHOMA CITY | OK | PHYSICIAN ASSISTANT | 642 | 42 | $75,474 | $1,797 | premium | 26.2% | (405) 254-9690 |
| 83 | UNIVERSITY OB/GYN ASSOCIATES | SYRACUSE | NY | OBSTETRICS/GYNECOLOGY | 37 | 41 | $93,357 | $2,277 | premium | 5.1% | (315) 464-5162 |
| 84 | SUMMIT MEDICAL GROUP PA | BERKELEY HEIGHTS | NJ | PHYSICIAN ASSISTANT | 1183 | 41 | $205,205 | $5,005 | premium | 10.2% | (908) 273-4300 |
| 85 | FLORIDA PRACTITIONERS, LLC | FORT LAUDERDALE | FL | PHYSICIAN ASSISTANT | 57 | 41 | $39,491 | $963 | premium | 3.2% | (954) 229-8635 |
| 86 | LOS ANGELES HEMATOLOGY-ONCOLOGY MEDICAL GROUP | LOS ANGELES | CA | HEMATOLOGY/ONCOLOGY | 51 | 40 | $87,352 | $2,184 | premium | 3.4% | (213) 977-1214 |
| 87 | ALLEGHENY CLINIC | PITTSBURGH | PA | PHYSICIAN ASSISTANT | 2293 | 40 | $107,781 | $2,695 | premium | 5.5% | — |
| 88 | UNIVERSITY OF VIRGINIA PHYSICIANS GROUP | CHARLOTTESVILLE | VA | NURSE PRACTITIONER | 1704 | 40 | $129,605 | $3,240 | premium | 7.1% | (434) 924-5959 |
| 89 | HARVARD MEDICAL FACULTY PHYS AT BETH ISRAEL DEACONESS MED CTR INC | BOSTON | MA | INTERNAL MEDICINE | 1689 | 40 | $121,666 | $3,042 | premium | 8.2% | (781) 983-9088 |
| 90 | BON SECOURS-RICHMOND COMMUNITY HOSPITAL LLC | RICHMOND | VA | NURSE PRACTITIONER | 40 | 40 | $118,080 | $2,952 | premium | 7.1% | (804) 288-8900 |
| 91 | VALLEY PERINATAL SERVICES LLC | GLENDALE | AZ | OBSTETRICS/GYNECOLOGY | 52 | 40 | $231,676 | $5,792 | premium | 7.8% | (480) 756-6000 |
| 92 | TENNESSEE ONCOLOGY PLLC | NASHVILLE | TN | HEMATOLOGY/ONCOLOGY | 360 | 39 | $90,510 | $2,321 | premium | 8.7% | (615) 385-3751 |
| 93 | BOCACARE INC | BOCA RATON | FL | PHYSICIAN ASSISTANT | 199 | 39 | $150,036 | $3,847 | premium | 3.1% | (561) 955-7100 |
| 94 | WOMENS CARE FLORIDA LLC | TAMPA | FL | OBSTETRICS/GYNECOLOGY | 334 | 38 | $92,911 | $2,445 | premium | 3.0% | (813) 961-7440 |
| 95 | MANATEE SPECIALTY PHYSICIAN ALLIANCE LLC | BRADENTON | FL | PHYSICIAN ASSISTANT | 27 | 38 | $68,697 | $1,808 | premium | 3.0% | (941) 746-3115 |
| 96 | OCHSNER CLINIC LLC | NEW ORLEANS | LA | NURSE PRACTITIONER | 2839 | 38 | $104,099 | $2,739 | premium | 36.9% | (504) 842-3000 |
| 97 | SCOTT AND WHITE CLINIC | TEMPLE | TX | PHYSICIAN ASSISTANT | 2435 | 38 | $116,584 | $3,068 | premium | 4.7% | (254) 724-2663 |
| 98 | MAYO CLINIC JACKSONVILLE | JACKSONVILLE | FL | NURSE PRACTITIONER | 1587 | 38 | $255,845 | $6,733 | premium | 3.0% | (904) 953-2000 |
| 99 | NORTON HOSPITALS, INC | LOUISVILLE | KY | NURSE PRACTITIONER | 136 | 37 | $80,080 | $2,164 | premium | 21.0% | (502) 629-2500 |
| 100 | WK GYNECOLOGIC ONCOLOGY CLINIC | SHREVEPORT | LA | PHYSICIAN ASSISTANT | 5 | 37 | $75,739 | $2,047 | premium | 35.9% | (318) 212-8727 |
Showing the top 100 of 284 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 →