2,743 observed fee-for-service (50%) · ~2,715 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 | 49440 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 | MAYO CLINIC JACKSONVILLE | JACKSONVILLE | FL | NURSE PRACTITIONER | 1587 | 116 | $621,345 | $5,356 | premium | 16.8% | (904) 953-2000 |
| 2 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 108 | $574,275 | $5,317 | premium | 12.5% | (415) 600-1020 |
| 3 | TEXAS RADIOLOGY ASSOCIATES LLP | PLANO | TX | DIAGNOSTIC RADIOLOGY | 153 | 106 | $156,668 | $1,478 | premium | 22.2% | (469) 814-2000 |
| 4 | KANSAS UNIVERSITY PHYSICIANS INC | KANSAS CITY | KS | NURSE PRACTITIONER | 1815 | 105 | $51,258 | $488 | premium | 100.0% | (913) 588-1227 |
| 5 | MORI BEAN AND BROOKS INC | ORANGE PARK | FL | DIAGNOSTIC RADIOLOGY | 947 | 83 | $284,613 | $3,429 | premium | 12.0% | (904) 399-5550 |
| 6 | MAYO CLINIC ARIZONA | PHOENIX | AZ | PHYSICIAN ASSISTANT | 1635 | 77 | $352,400 | $4,577 | premium | 43.8% | (800) 603-0558 |
| 7 | RADIOLOGY ASSOCIATES OF NORTH TEXAS PA | FORT WORTH | TX | DIAGNOSTIC RADIOLOGY | 340 | 73 | $65,116 | $892 | premium | 15.3% | (817) 321-0470 |
| 8 | CHRISTIANA CARE HEALTH SERVICES INC | NEWARK | DE | PHYSICIAN ASSISTANT | 1537 | 58 | $35,254 | $608 | premium | 100.0% | — |
| 9 | SCOTT AND WHITE CLINIC | TEMPLE | TX | PHYSICIAN ASSISTANT | 2435 | 58 | $178,060 | $3,070 | premium | 12.1% | (254) 724-2663 |
| 10 | REGENTS OF THE UNIVERSITY OF CALIFORNIA | SAN DIEGO | CA | DIAGNOSTIC RADIOLOGY | 2057 | 57 | $255,057 | $4,475 | premium | 6.6% | (800) 926-8273 |
| 11 | ADVANCED RADIOLOGY P A | BALTIMORE | MD | DIAGNOSTIC RADIOLOGY | 161 | 57 | $38,703 | $679 | premium | 33.1% | (888) 972-9700 |
| 12 | FLORIDA CLINICAL PRACTICE ASSOCIATION INC | GAINESVILLE | FL | NURSE PRACTITIONER | 1912 | 54 | $120,444 | $2,230 | premium | 7.8% | (352) 265-8990 |
| 13 | QUANTUM RADIOLOGY PC | MARIETTA | GA | DIAGNOSTIC RADIOLOGY | 104 | 50 | $55,350 | $1,107 | premium | 34.2% | (770) 732-4000 |
| 14 | RADIOLOGY AND MEDICAL IMAGERY OF NEWNAN PC | NEWNAN | GA | DIAGNOSTIC RADIOLOGY | 35 | 48 | $41,581 | $866 | premium | 32.9% | (770) 400-1000 |
| 15 | COOPER UNIVERSITY RADIOLOGY PC | CAMDEN | NJ | DIAGNOSTIC RADIOLOGY | 68 | 43 | $161,895 | $3,765 | premium | 55.1% | — |
| 16 | UNIVERSITY OF PENN - MEDICAL GROUP | PHILADELPHIA | PA | PHYSICIAN ASSISTANT | 3505 | 43 | $32,250 | $750 | premium | 27.0% | (215) 662-2777 |
| 17 | VIRGINIA MASON MEDICAL CENTER | SEATTLE | WA | PHYSICIAN ASSISTANT | 879 | 40 | $104,069 | $2,602 | premium | 26.7% | (206) 223-6600 |
| 18 | DIAGNOSTIC IMAGING ASSOCIATES, P.C. | DES MOINES | IA | DIAGNOSTIC RADIOLOGY | 21 | 39 | $34,749 | $891 | premium | 39.4% | (515) 643-2667 |
| 19 | H LEE MOFFITT CANCER CTR AND RES INST LIFE TIME CANCER SCRN CTR INC | TAMPA | FL | PHYSICIAN ASSISTANT | 1103 | 39 | $31,695 | $813 | premium | 5.6% | (813) 745-4673 |
| 20 | PHYSICIANS REFERRAL SERVICE | HOUSTON | TX | NURSE PRACTITIONER | 2696 | 38 | $103,733 | $2,730 | premium | 7.9% | (713) 592-5433 |
| 21 | UNMC PHYSICIANS | OMAHA | NE | PHYSICIAN ASSISTANT | 1514 | 38 | $111,762 | $2,941 | premium | 32.5% | (402) 559-4000 |
| 22 | MEDSTAR MEDICAL GROUP II LLC | WASHINGTON | MD | PHYSICIAN ASSISTANT | 3707 | 38 | $43,750 | $1,151 | premium | 22.1% | (202) 429-2401 |
| 23 | KANSAS UNIVERSITY PHYSICIANS INC | KANSAS CITY | FL | NURSE PRACTITIONER | 1815 | 34 | $16,500 | $485 | premium | 4.9% | (913) 588-1227 |
| 24 | RADIOLOGY ASSOCIATES LLC | BATON ROUGE | LA | DIAGNOSTIC RADIOLOGY | 79 | 33 | $25,872 | $784 | premium | 50.0% | (225) 757-0552 |
| 25 | MEDICAL IMAGING OF LEHIGH VALLEY PC | ALLENTOWN | PA | DIAGNOSTIC RADIOLOGY | 119 | 32 | $20,000 | $625 | premium | 20.1% | (610) 770-1606 |
| 26 | MAYO CLINIC | ROCHESTER | MN | NURSE PRACTITIONER | 4896 | 31 | $102,145 | $3,295 | premium | 23.1% | (507) 284-2511 |
| 27 | WASHINGTON UNIVERSITY | SAINT LOUIS | MO | NURSE PRACTITIONER | 3070 | 30 | $89,970 | $2,999 | premium | 39.0% | (314) 747-3000 |
| 28 | CENTRAL ILLINOIS RADIOLOGICAL ASSOCIATES LTD | PEORIA | IL | DIAGNOSTIC RADIOLOGY | 196 | 30 | $43,770 | $1,459 | premium | 12.1% | (309) 655-2000 |
| 29 | MEDICAL CENTER RADIOLOGISTS INC | NORFOLK | VA | DIAGNOSTIC RADIOLOGY | 123 | 29 | $18,502 | $638 | premium | 26.9% | (757) 466-6870 |
| 30 | RADIOLOGY CONSULTANTS OF IOWA PLC | CEDAR RAPIDS | IA | DIAGNOSTIC RADIOLOGY | 72 | 29 | $21,170 | $730 | premium | 29.3% | (319) 364-0121 |
| 31 | MISSION HEALTH COMMUNITY MULTISPECIALTY PROVIDERS LLC | ASHEVILLE | NC | PHYSICIAN ASSISTANT | 593 | 28 | $21,140 | $755 | premium | 22.8% | (828) 213-1740 |
| 32 | OMNIRAD MEDICAL GROUP INC | SAN JOSE | CA | INTERVENTIONAL RADIOLOGY | 3 | 27 | $31,077 | $1,151 | premium | 3.1% | (408) 403-5996 |
| 33 | UNIVERSITY OF ARKANSAS FOR MEDICAL SCIENCES | LITTLE ROCK | AR | NURSE PRACTITIONER | 1241 | 27 | $61,938 | $2,294 | premium | 62.8% | (501) 686-8000 |
| 34 | MEMPHIS RADIOLOGICAL PC | MEMPHIS | TN | DIAGNOSTIC RADIOLOGY | 51 | 27 | $26,541 | $983 | premium | 17.6% | (901) 561-6000 |
| 35 | CONCORD RADIOLOGY PLLC | WICHITA | OK | DIAGNOSTIC RADIOLOGY | 183 | 26 | $15,418 | $593 | premium | 100.0% | (855) 687-7237 |
| 36 | ENDEAVOR HEALTH MEDICAL GROUP | EVANSTON | IL | NURSE PRACTITIONER | 3380 | 26 | $20,540 | $790 | premium | 10.5% | — |
| 37 | HENRY FORD HEALTH SYSTEM | DETROIT | MI | PHYSICIAN ASSISTANT | 2536 | 26 | $17,420 | $670 | premium | 36.1% | (313) 916-2600 |
| 38 | BAPTIST MEMORIAL MEDICAL GROUP, INC. | MEMPHIS | MS | NURSE PRACTITIONER | 549 | 25 | $41,350 | $1,654 | premium | 26.6% | (901) 226-3882 |
| 39 | LAHEY CLINIC INC | BURLINGTON | MA | NURSE PRACTITIONER | 1400 | 24 | $26,430 | $1,101 | premium | 32.9% | — |
| 40 | RUSH UNIVERSITY MEDICAL GROUP | CHICAGO | IL | PHYSICIAN ASSISTANT | 1496 | 23 | $76,613 | $3,331 | premium | 9.3% | (312) 563-2875 |
| 41 | ANCILLARY SERVICES OF PRACTICE ASSOCIATES PA | MORRISTOWN | NJ | DIAGNOSTIC RADIOLOGY | 97 | 23 | $15,939 | $693 | premium | 29.5% | (973) 971-6866 |
| 42 | SANFORD MEDICAL CENTER FARGO | FARGO | ND | NURSE PRACTITIONER | 1198 | 22 | $59,290 | $2,695 | premium | 100.0% | (701) 234-2000 |
| 43 | DIGNITY HEALTH MEDICAL FOUNDATION | FOLSOM | CA | DIAGNOSTIC RADIOLOGY | 1197 | 22 | $92,246 | $4,193 | premium | 2.5% | (916) 983-7476 |
| 44 | SINGLETON ASSOCIATES PA | HOUSTON | TX | DIAGNOSTIC RADIOLOGY | 769 | 22 | $87,340 | $3,970 | premium | 4.6% | (855) 504-4544 |
| 45 | ADVANCED RADIOLOGY SERVICES PC | GRAND RAPIDS | MI | DIAGNOSTIC RADIOLOGY | 249 | 22 | $15,246 | $693 | premium | 30.6% | (616) 363-7272 |
| 46 | MEMPHIS PHYSICIANS RADIOLOGICAL GROUP PC | MEMPHIS | TN | DIAGNOSTIC RADIOLOGY | 68 | 20 | $13,400 | $670 | premium | 13.1% | (901) 765-2191 |
| 47 | CHARLESTON RADIOLOGISTS PA | MOUNT PLEASANT | SC | DIAGNOSTIC RADIOLOGY | 24 | 19 | $13,300 | $700 | premium | 32.8% | (843) 824-0606 |
| 48 | SOUTH SHORE RADIOLOGICAL ASSOCIATES INC | SOUTH WEYMOUTH | MA | DIAGNOSTIC RADIOLOGY | 36 | 19 | $13,167 | $693 | premium | 26.0% | (781) 340-8000 |
| 49 | MORAN ROWEN AND DORSEY INC | ORANGE | CA | DIAGNOSTIC RADIOLOGY | 35 | 18 | $16,236 | $902 | premium | 2.1% | (714) 628-3305 |
| 50 | PERMANENTE MEDICAL GROUP INC | SANTA CLARA | CA | INTERNAL MEDICINE | 10890 | 18 | $20,718 | $1,151 | premium | 2.1% | (408) 851-1000 |
| 51 | ADVANCED SURGEONS AND PHYSICIANS NETWORK INC | HOUSTON | TX | NURSE PRACTITIONER | 47 | 18 | $90,116 | $5,006 | premium | 3.8% | (713) 795-4884 |
| 52 | SOUTH SHORE RADIOLOGICAL ASSOCIATES INC | SOUTH WEYMOUTH | VA | DIAGNOSTIC RADIOLOGY | 36 | 18 | $12,474 | $693 | premium | 16.7% | (781) 340-8000 |
| 53 | SOUTH FLORIDA MEDICAL IMAGING PA | FORT LAUDERDALE | FL | DIAGNOSTIC RADIOLOGY | 44 | 17 | $13,464 | $792 | premium | 2.5% | (954) 267-6650 |
| 54 | X-RAY MEDICAL GROUP INC | LA MESA | CA | DIAGNOSTIC RADIOLOGY | 48 | 17 | $15,725 | $925 | premium | 2.0% | (619) 740-4000 |
| 55 | DRAGHA LLC | SCOTTSDALE | AZ | HOSPITALIST | 3 | 17 | $37,678 | $2,216 | premium | 9.7% | (480) 750-8130 |
| 56 | ST JUDE RADIOLOGY MEDICAL GROUP INC | FULLERTON | CA | DIAGNOSTIC RADIOLOGY | 61 | 16 | $14,000 | $875 | premium | 1.8% | 71499230001805 |
| 57 | RADIOLOGY ASSOCIATES OF PENSACOLA PA | PENSACOLA | FL | DIAGNOSTIC RADIOLOGY | 21 | 16 | $11,360 | $710 | premium | 2.3% | (850) 208-6000 |
| 58 | MCHS HOSPITALS INC | MARSHFIELD | WI | NURSE PRACTITIONER | 1179 | 15 | $115,290 | $7,686 | premium | 15.3% | — |
| 59 | MONTEFIORE MEDICAL CENTER | BRONX | NY | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 2796 | 15 | $37,650 | $2,510 | premium | 12.7% | (866) 633-8255 |
| 60 | RENAISSANCE MEDICAL FOUNDATION | EDINBURG | TX | DIAGNOSTIC RADIOLOGY | 174 | 15 | $8,739 | $583 | premium | 3.1% | — |
| 61 | PIEDMONT PROVIDERS LLC | ATLANTA | GA | PHYSICIAN ASSISTANT | 509 | 14 | $41,916 | $2,994 | premium | 9.6% | (404) 367-3210 |
| 62 | ALLINA HEALTH SYSTEM | MINNEAPOLIS | MN | PHYSICIAN ASSISTANT | 3855 | 14 | $11,410 | $815 | premium | 10.4% | (612) 863-4000 |
| 63 | UNIVERSITY OF UTAH ADULT SERVICES | SALT LAKE CITY | UT | PHYSICIAN ASSISTANT | 1783 | 14 | $30,317 | $2,166 | premium | 100.0% | (801) 581-2121 |
| 64 | PALM DESERT RADIOLOGY MEDICAL GROUP INC | RANCHO MIRAGE | CA | DIAGNOSTIC RADIOLOGY | 125 | 14 | $7,714 | $551 | premium | 1.6% | (760) 773-1251 |
| 65 | MEDSTAR MEDICAL GROUP II LLC | WASHINGTON | PA | PHYSICIAN ASSISTANT | 3707 | 14 | $9,646 | $689 | premium | 8.8% | (202) 429-2401 |
| 66 | UT PHYSICIANS | HOUSTON | TX | NURSE PRACTITIONER | 1758 | 13 | $60,762 | $4,674 | premium | 2.7% | (713) 566-5000 |
| 67 | RADIOLOGY CONSULTANTS PC | OMAHA | NE | DIAGNOSTIC RADIOLOGY | 46 | 13 | $8,203 | $631 | premium | 11.1% | (402) 717-4760 |
| 68 | EASTPOINTE RADIOLOGISTS PC | DETROIT | MI | DIAGNOSTIC RADIOLOGY | 105 | 13 | $9,389 | $722 | premium | 18.1% | (313) 343-3248 |
| 69 | UNIVERSITY RADIOLOGY ASSOCIATES, LLP | SYRACUSE | NY | DIAGNOSTIC RADIOLOGY | 41 | 13 | $11,700 | $900 | premium | 11.0% | (315) 464-5189 |
| 70 | UNIVERSITY HOSPITALS MEDICAL GROUP INC | CLEVELAND | OH | NURSE PRACTITIONER | 2232 | 13 | $11,921 | $917 | premium | 35.1% | — |
| 71 | EMPIRE STATE RADIOLOGY P C | PORT JERVIS | CA | DIAGNOSTIC RADIOLOGY | 280 | 13 | $51,610 | $3,970 | premium | 1.5% | (718) 223-4685 |
| 72 | RADIOLOGY AND IMAGING SPECIALISTS OF LAKELAND | LAKELAND | FL | DIAGNOSTIC RADIOLOGY | 71 | 13 | $20,709 | $1,593 | premium | 1.9% | (863) 687-1100 |
| 73 | TRA-MINW P S | TACOMA | WA | DIAGNOSTIC RADIOLOGY | 153 | 13 | $9,100 | $700 | premium | 8.7% | (253) 841-4353 |
| 74 | STATE OF MISSISSIPPI - UNIVERSITY OF MISSISSIPPI MEDICAL CENTER | JACKSON | MS | NURSE PRACTITIONER | 951 | 13 | $6,552 | $504 | premium | 13.8% | (601) 815-4775 |
| 75 | BEACON MEDICAL GROUP INC | SOUTH BEND | IN | NURSE PRACTITIONER | 575 | 13 | $36,998 | $2,846 | premium | 6.4% | (574) 647-7275 |
| 76 | NORTHWEST IOWA HOSPITAL CORPORATION | SIOUX CITY | SD | NURSE PRACTITIONER | 117 | 13 | $36,062 | $2,774 | premium | 54.2% | (712) 279-3500 |
| 77 | WEST COUNTY RADIOLOGICAL GROUP INC | SAINT LOUIS | MO | DIAGNOSTIC RADIOLOGY | 104 | 12 | $35,988 | $2,999 | premium | 15.6% | (314) 941-5600 |
| 78 | CROUSE MEDICAL PRACTICE PLLC | SYRACUSE | NY | PHYSICIAN ASSISTANT | 187 | 12 | $15,627 | $1,302 | premium | 10.2% | — |
| 79 | FORT WAYNE RADIOLOGY ASSOCIATES LLC | FORT WAYNE | IN | DIAGNOSTIC RADIOLOGY | 35 | 12 | $9,432 | $786 | premium | 5.9% | (260) 266-1000 |
| 80 | CENTRAL WASHINGTON HEALTH SERVICES ASSOCIATION | WENATCHEE | WA | PHYSICIAN ASSISTANT | 700 | 12 | $8,184 | $682 | premium | 8.0% | (509) 665-6087 |
| 81 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 12 | $15,456 | $1,288 | premium | 4.8% | — |
| 82 | SJHMC PHYSICIAN SERVICES | PHOENIX | AZ | NURSE PRACTITIONER | 690 | 12 | $6,972 | $581 | premium | 6.8% | (602) 406-6017 |
| 83 | MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC | BOSTON | MA | DIAGNOSTIC RADIOLOGY | 3532 | 12 | $10,165 | $847 | premium | 16.4% | (617) 724-0287 |
| 84 | EAST VALLEY RADIOLOGY ASSOCIATES PLLC | CHANDLER | MN | DIAGNOSTIC RADIOLOGY | 31 | 12 | $16,260 | $1,355 | premium | 9.0% | (480) 728-3000 |
| 85 | WEST VIRGINIA UNIVERSITY MEDICAL CORPORATION | MORGANTOWN | WV | PHYSICIAN ASSISTANT | 1996 | 12 | $8,400 | $700 | premium | 52.2% | (304) 598-4865 |
| 86 | MICHIGAN INSTITUTE OF UROLOGY PC | SAINT CLAIR SHORES | WI | UROLOGY | 84 | 12 | $8,040 | $670 | premium | 12.2% | (586) 771-4820 |
| 87 | RADIOLOGY OF INDIANA P C | INDIANAPOLIS | IN | DIAGNOSTIC RADIOLOGY | 116 | 12 | $7,980 | $665 | premium | 5.9% | (317) 579-2150 |
| 88 | YALE UNIVERSITY | NEW HAVEN | CT | PHYSICIAN ASSISTANT | 2649 | 11 | $57,090 | $5,190 | premium | 12.8% | (203) 688-4242 |
| 89 | JOHNS HOPKINS UNIVERSITY | BALTIMORE | MD | NURSE PRACTITIONER | 2900 | 11 | $33,780 | $3,071 | premium | 6.4% | (410) 502-4340 |
| 90 | PALM VALLEY MULTI-SPECIALTY MEDICAL GROUP PC | PALM DESERT | CA | PHYSICIAN ASSISTANT | 16 | 11 | $9,327 | $848 | premium | 1.3% | (760) 760-4343 |
| 91 | ASHLAND HOSPITAL CORPORATION | ASHLAND | KY | NURSE PRACTITIONER | 170 | 11 | $6,369 | $579 | premium | 50.0% | (606) 324-8060 |
| 92 | LEXINGTON RADIOLOGY ASSOCIATES | WEST COLUMBIA | MI | DIAGNOSTIC RADIOLOGY | 32 | 11 | $7,623 | $693 | premium | 15.3% | (803) 791-2365 |
| 93 | DIAGNOSTIC IMAGING ASSOCIATES, P.C. | DES MOINES | TX | DIAGNOSTIC RADIOLOGY | 21 | 11 | $9,801 | $891 | premium | 2.3% | (515) 643-2667 |
| 94 | STAMFORD HEALTH MEDICAL GROUP INC | STAMFORD | OH | PHYSICIAN ASSISTANT | 419 | 11 | $10,469 | $952 | premium | 29.7% | (203) 276-4644 |
| 95 | RADIOLOGISTS OF UNIV OF ROCHESTER | ROCHESTER | NY | DIAGNOSTIC RADIOLOGY | 134 | 11 | $9,405 | $855 | premium | 9.3% | — |
| 96 | HAMPTON ROADS RADIOLOGY ASSOCIATES PC | VIRGINIA BEACH | VA | DIAGNOSTIC RADIOLOGY | 37 | 11 | $10,692 | $972 | premium | 10.2% | (757) 916-9630 |
| 97 | MCV ASSOCIATED PHYSICIANS | RICHMOND | VA | NURSE PRACTITIONER | 1791 | 11 | $47,311 | $4,301 | premium | 10.2% | (804) 828-9000 |
| 98 | FIRST UROLOGY PSC | LOUISVILLE | KY | UROLOGY | 55 | 11 | $5,874 | $534 | premium | 50.0% | (812) 282-3899 |
| 99 | CAROLINA RADIOLOGY ASSOCIATES LLC | MYRTLE BEACH | SC | DIAGNOSTIC RADIOLOGY | 63 | 11 | $13,145 | $1,195 | premium | 19.0% | (843) 692-1916 |
| 100 | COUNTY OF SANTA CLARA | SAN JOSE | CA | INTERNAL MEDICINE | 1001 | 11 | $9,629 | $875 | premium | 1.3% | (408) 885-5000 |
Showing the top 100 of 97 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 →