60,875 observed fee-for-service (49%) · ~63,163 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; 3 states 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 | 72158 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 | PHYSICIANS REFERRAL SERVICE | HOUSTON | TX | NURSE PRACTITIONER | 2696 | 1,651 | $1,839,863 | $1,114 | premium | 12.8% | (713) 592-5433 |
| 2 | MAYO CLINIC | ROCHESTER | MN | NURSE PRACTITIONER | 4896 | 1,007 | $3,848,041 | $3,821 | premium | 20.0% | (507) 284-2511 |
| 3 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 964 | $868,905 | $901 | premium | 13.9% | — |
| 4 | ADVANCED RADIOLOGY SERVICES PC | GRAND RAPIDS | MI | DIAGNOSTIC RADIOLOGY | 249 | 959 | $469,247 | $489 | premium | 16.3% | (616) 363-7272 |
| 5 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 805 | $1,411,383 | $1,753 | premium | 7.4% | (212) 263-9700 |
| 6 | BRIGHAM AND WOMENS PHYSICIANS ORGANIZATION INC | BOSTON | MA | PHYSICIAN ASSISTANT | 2942 | 752 | $387,069 | $515 | premium | 11.8% | (617) 732-5500 |
| 7 | STANFORD HEALTH CARE | STANFORD | CA | DIAGNOSTIC RADIOLOGY | 3039 | 721 | $854,541 | $1,185 | premium | 5.4% | (650) 723-4000 |
| 8 | RHODE ISLAND MEDICAL IMAGING INC | EAST PROVIDENCE | RI | DIAGNOSTIC RADIOLOGY | 109 | 662 | $695,177 | $1,050 | premium | 82.2% | (401) 626-3900 |
| 9 | ENDEAVOR HEALTH MEDICAL GROUP | EVANSTON | IL | NURSE PRACTITIONER | 3380 | 645 | $251,650 | $390 | premium | 9.3% | — |
| 10 | OSU RADIOLOGY LLC | COLUMBUS | OH | DIAGNOSTIC RADIOLOGY | 174 | 621 | $313,605 | $505 | premium | 11.7% | (614) 293-8315 |
| 11 | MAYO CLINIC ARIZONA | PHOENIX | AZ | PHYSICIAN ASSISTANT | 1635 | 593 | $865,799 | $1,460 | premium | 17.5% | (800) 603-0558 |
| 12 | ZWANGER AND PESIRI RADIOLOGY GROUP LLP | LINDENHURST | NY | DIAGNOSTIC RADIOLOGY | 91 | 587 | $1,146,090 | $1,952 | premium | 5.4% | (631) 225-7200 |
| 13 | H LEE MOFFITT CANCER CTR AND RES INST LIFE TIME CANCER SCRN CTR INC | TAMPA | FL | PHYSICIAN ASSISTANT | 1103 | 573 | $348,087 | $607 | premium | 5.1% | (813) 745-4673 |
| 14 | MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC | BOSTON | MA | DIAGNOSTIC RADIOLOGY | 3532 | 568 | $1,156,711 | $2,036 | premium | 8.9% | (617) 724-0287 |
| 15 | REGENTS OF THE UNIVERSITY OF MICHIGAN | ANN ARBOR | MI | INTERNAL MEDICINE | 3330 | 558 | $461,470 | $827 | premium | 9.5% | (734) 763-5459 |
| 16 | BEAUMONT MEDICAL GROUP HOSPITAL BASED SERVICES | TROY | MI | DIAGNOSTIC RADIOLOGY | 583 | 543 | $386,650 | $712 | premium | 9.2% | (248) 964-1187 |
| 17 | COMMONWEALTH RADIOLOGY PC | RICHMOND | VA | DIAGNOSTIC RADIOLOGY | 49 | 532 | $154,280 | $290 | premium | 11.0% | (804) 288-8327 |
| 18 | HOUSTON RADIOLOGY ASSOCIATED | HOUSTON | TX | DIAGNOSTIC RADIOLOGY | 103 | 527 | $448,635 | $851 | premium | 4.1% | (281) 206-9020 |
| 19 | MASS GENERAL BRIGHAM COMMUNITY PHYSICIANS INC | MEDFORD | MA | DIAGNOSTIC RADIOLOGY | 424 | 502 | $257,901 | $514 | premium | 7.9% | (781) 395-4909 |
| 20 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 491 | $825,321 | $1,681 | premium | 3.7% | (916) 681-8852 |
| 21 | RADIOLOGY ASSOCIATES OF NORTH TEXAS PA | FORT WORTH | TX | DIAGNOSTIC RADIOLOGY | 340 | 467 | $326,487 | $699 | premium | 3.6% | (817) 321-0470 |
| 22 | REGENTS OF THE UNIVERSITY OF CALIFORNIA | SAN DIEGO | CA | DIAGNOSTIC RADIOLOGY | 2057 | 457 | $506,649 | $1,109 | premium | 3.4% | (800) 926-8273 |
| 23 | PRISMA HEALTH UNIVERSITY MEDICAL GROUP | GREENVILLE | SC | NURSE PRACTITIONER | 2447 | 453 | $179,241 | $396 | premium | 15.6% | — |
| 24 | ROPER RADIOLOGISTS PA | CHARLESTON | SC | DIAGNOSTIC RADIOLOGY | 40 | 451 | $479,413 | $1,063 | premium | 15.6% | (843) 724-2161 |
| 25 | RADIOLOGY REGIONAL CENTER P A | FORT MYERS | FL | DIAGNOSTIC RADIOLOGY | 52 | 427 | $888,211 | $2,080 | premium | 3.8% | (239) 936-2316 |
| 26 | UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL CENTER AT DALLAS | DALLAS | TX | PHYSICIAN ASSISTANT | 3200 | 419 | $172,755 | $412 | premium | 3.3% | (214) 633-5555 |
| 27 | NORTHSIDE RADIOLOGY ASSOCIATES LLC | ATLANTA | GA | DIAGNOSTIC RADIOLOGY | 370 | 406 | $578,550 | $1,425 | premium | 9.4% | (404) 851-6577 |
| 28 | MAYO CLINIC JACKSONVILLE | JACKSONVILLE | FL | NURSE PRACTITIONER | 1587 | 400 | $1,688,900 | $4,222 | premium | 3.6% | (904) 953-2000 |
| 29 | CHARLOTTE RADIOLOGY PA | CHARLOTTE | NC | DIAGNOSTIC RADIOLOGY | 218 | 392 | $230,104 | $587 | premium | 6.3% | (704) 362-1945 |
| 30 | CITY OF HOPE MEDICAL FOUNDATION | DUARTE | CA | NURSE PRACTITIONER | 942 | 391 | $170,998 | $437 | premium | 3.0% | (626) 256-4673 |
| 31 | MSKCC RADIOLOGY GROUP | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 199 | 374 | $237,490 | $635 | premium | 3.4% | (646) 888-5300 |
| 32 | MEDICAL CENTER RADIOLOGISTS INC | NORFOLK | VA | DIAGNOSTIC RADIOLOGY | 123 | 368 | $128,432 | $349 | premium | 7.6% | (757) 466-6870 |
| 33 | YALE UNIVERSITY | NEW HAVEN | CT | PHYSICIAN ASSISTANT | 2649 | 348 | $176,172 | $506 | premium | 14.8% | (203) 688-4242 |
| 34 | DIGNITY HEALTH MEDICAL FOUNDATION | FOLSOM | CA | DIAGNOSTIC RADIOLOGY | 1197 | 343 | $364,812 | $1,064 | premium | 2.6% | (916) 983-7476 |
| 35 | DUKE HEALTH INTEGRATED PRACTICE INC | DURHAM | NC | PHYSICIAN ASSISTANT | 3051 | 342 | $221,958 | $649 | premium | 5.5% | (919) 684-8111 |
| 36 | THE ASSOCIATION OF UNIVERSITY PHYSICIANS | SEATTLE | WA | PHYSICIAN ASSISTANT | 3612 | 341 | $114,753 | $337 | premium | 11.3% | (206) 364-0500 |
| 37 | RADIOLOGY LTD LLC | TUCSON | AZ | DIAGNOSTIC RADIOLOGY | 102 | 311 | $789,911 | $2,540 | premium | 9.2% | (520) 290-4842 |
| 38 | RADIOLOGY ASSOCIATES OF RICHMOND INC | RICHMOND | VA | DIAGNOSTIC RADIOLOGY | 70 | 310 | $163,011 | $526 | premium | 6.4% | (804) 272-8806 |
| 39 | UNIVERSITY OF ARKANSAS FOR MEDICAL SCIENCES | LITTLE ROCK | AR | NURSE PRACTITIONER | 1241 | 290 | $124,120 | $428 | premium | 17.1% | (501) 686-8000 |
| 40 | ADVANCED RADIOLOGY P A | BALTIMORE | MD | DIAGNOSTIC RADIOLOGY | 161 | 283 | $420,047 | $1,484 | premium | 9.4% | (888) 972-9700 |
| 41 | MECKLENBURG RADIOLOGY ASSOCIATES PA | CHARLOTTE | NC | DIAGNOSTIC RADIOLOGY | 94 | 274 | $103,846 | $379 | premium | 4.4% | (704) 332-1291 |
| 42 | SDMI, LLC | LAS VEGAS | NV | DIAGNOSTIC RADIOLOGY | 36 | 258 | $361,831 | $1,402 | premium | 23.5% | (702) 732-6000 |
| 43 | RADIOLOGY CONSULTANTS OF IOWA PLC | CEDAR RAPIDS | IA | DIAGNOSTIC RADIOLOGY | 72 | 258 | $95,444 | $370 | premium | 13.5% | (319) 364-0121 |
| 44 | EVANSVILLE RADIOLOGY PC | EVANSVILLE | IN | DIAGNOSTIC RADIOLOGY | 29 | 257 | $192,236 | $748 | premium | 10.3% | (812) 422-3254 |
| 45 | MERCY CLINIC SPRINGFIELD COMMUNITIES | SPRINGFIELD | MO | PHYSICIAN ASSISTANT | 1128 | 253 | $111,320 | $440 | premium | 6.1% | — |
| 46 | EASTERN RADIOLOGISTS INC | GREENVILLE | NC | DIAGNOSTIC RADIOLOGY | 93 | 249 | $199,376 | $801 | premium | 4.0% | (252) 752-5000 |
| 47 | MEDICAL SCANNING CONSULTANTS PA | ST LOUIS PARK | IN | DIAGNOSTIC RADIOLOGY | 81 | 245 | $795,008 | $3,245 | premium | 9.8% | (952) 541-1840 |
| 48 | WEST COUNTY RADIOLOGICAL GROUP INC | SAINT LOUIS | MO | DIAGNOSTIC RADIOLOGY | 104 | 243 | $120,931 | $498 | premium | 5.9% | (314) 941-5600 |
| 49 | SCOTT AND WHITE CLINIC | TEMPLE | TX | PHYSICIAN ASSISTANT | 2435 | 239 | $124,519 | $521 | premium | 1.9% | (254) 724-2663 |
| 50 | PROGRESSIVE PHYSICIAN ASSOC INC | PHILLIPSBURG | PA | DIAGNOSTIC RADIOLOGY | 160 | 238 | $107,576 | $452 | premium | 3.6% | (908) 859-6700 |
| 51 | UNIVERSITY OF MIAMI | MIAMI | FL | NURSE PRACTITIONER | 2331 | 237 | $104,754 | $442 | premium | 2.1% | (305) 689-5437 |
| 52 | MORI BEAN AND BROOKS INC | ORANGE PARK | FL | DIAGNOSTIC RADIOLOGY | 947 | 236 | $267,976 | $1,135 | premium | 2.1% | (904) 399-5550 |
| 53 | KETTERING NETWORK RADIOLOGISTS INC | DAYTON | OH | DIAGNOSTIC RADIOLOGY | 74 | 235 | $110,215 | $469 | premium | 4.4% | (937) 558-3800 |
| 54 | LAKELAND RADIOLOGISTS P A | FLOWOOD | MS | DIAGNOSTIC RADIOLOGY | 29 | 230 | $129,950 | $565 | premium | 10.6% | (601) 936-2390 |
| 55 | TOLEDO RADIOLOGICAL ASSOCIATES INC | COLDWATER | OH | DIAGNOSTIC RADIOLOGY | 51 | 228 | $76,428 | $335 | premium | 4.3% | (517) 279-5400 |
| 56 | HAMPTON ROADS RADIOLOGY ASSOCIATES PC | VIRGINIA BEACH | VA | DIAGNOSTIC RADIOLOGY | 37 | 225 | $91,575 | $407 | premium | 4.7% | (757) 916-9630 |
| 57 | STATE UNIVERSITY OF IOWA | IOWA CITY | IA | PHYSICIAN ASSISTANT | 1902 | 217 | $151,739 | $699 | premium | 11.4% | (319) 678-8201 |
| 58 | RADIOLOGY CONSULTANTS PC | OMAHA | NE | DIAGNOSTIC RADIOLOGY | 46 | 210 | $78,120 | $372 | premium | 14.3% | (402) 717-4760 |
| 59 | RADIOLOGY INC | HUNTINGTON | WV | DIAGNOSTIC RADIOLOGY | 28 | 209 | $107,008 | $512 | premium | 30.4% | (304) 526-1140 |
| 60 | STONY BROOK RADIOLOGY, UNIVERSITY FACULTY PRACTICE CORPORATION | STONY BROOK | NY | DIAGNOSTIC RADIOLOGY | 59 | 208 | $215,076 | $1,034 | premium | 1.9% | (631) 638-2121 |
| 61 | UMASS MEMORIAL MEDICAL GROUP INC | WORCESTER | MA | PHYSICIAN ASSISTANT | 2483 | 204 | $117,004 | $574 | premium | 3.2% | (508) 334-1000 |
| 62 | SPRINGFIELD CLINIC, LLP | SPRINGFIELD | IL | NURSE PRACTITIONER | 686 | 203 | $501,079 | $2,468 | premium | 2.9% | (217) 544-6464 |
| 63 | UC REGENTS | ORANGE | CA | DIAGNOSTIC RADIOLOGY | 99 | 200 | $132,552 | $663 | premium | 1.5% | (714) 456-7004 |
| 64 | UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL | CHAPEL HILL | NC | NURSE PRACTITIONER | 2120 | 200 | $74,208 | $371 | premium | 3.2% | (984) 215-5556 |
| 65 | SCRIPPS HEALTH | LA JOLLA | CA | PHYSICIAN ASSISTANT | 1431 | 199 | $156,516 | $787 | premium | 1.5% | (858) 455-9100 |
| 66 | COLUMBUS RADIOLOGY CORP | COLUMBUS | OH | DIAGNOSTIC RADIOLOGY | 288 | 198 | $282,150 | $1,425 | premium | 3.7% | (614) 228-7231 |
| 67 | WELLSPAN MEDICAL GROUP | YORK | PA | PHYSICIAN ASSISTANT | 2312 | 198 | $52,920 | $267 | premium | 3.0% | — |
| 68 | UNIVERSITY HOSPITALS MEDICAL GROUP INC | CLEVELAND | OH | NURSE PRACTITIONER | 2232 | 196 | $60,564 | $309 | premium | 3.7% | — |
| 69 | HARVARD MEDICAL FACULTY PHYS AT BETH ISRAEL DEACONESS MED CTR INC | BOSTON | MA | INTERNAL MEDICINE | 1689 | 195 | $71,370 | $366 | premium | 3.1% | (781) 983-9088 |
| 70 | RADIOLOGY SUBSPECIALISTS OF NORTHERN ILLINOIS LLC | GENEVA | IL | DIAGNOSTIC RADIOLOGY | 32 | 195 | $161,950 | $831 | premium | 2.8% | (630) 208-4412 |
| 71 | CENTRAL WASHINGTON HEALTH SERVICES ASSOCIATION | WENATCHEE | WA | PHYSICIAN ASSISTANT | 700 | 191 | $146,198 | $765 | premium | 6.3% | (509) 665-6087 |
| 72 | KANSAS UNIVERSITY PHYSICIANS INC | KANSAS CITY | KS | NURSE PRACTITIONER | 1815 | 190 | $51,475 | $271 | premium | 12.0% | (913) 588-1227 |
| 73 | BASHA DIAGNOSTICS P C | ROYAL OAK | MI | DIAGNOSTIC RADIOLOGY | 25 | 190 | $197,256 | $1,038 | premium | 3.2% | (248) 288-1600 |
| 74 | COMMUNITY RADIOLOGY ASSOCIATES INC | FREDERICK | MD | DIAGNOSTIC RADIOLOGY | 62 | 189 | $303,449 | $1,606 | premium | 6.3% | (888) 601-0943 |
| 75 | COLUMBUS RADIOLOGY CORP | COLUMBUS | NC | DIAGNOSTIC RADIOLOGY | 288 | 188 | $326,721 | $1,738 | premium | 3.0% | (614) 228-7231 |
| 76 | BLUE RIDGE RADIOLOGY PC | LYNCHBURG | TN | DIAGNOSTIC RADIOLOGY | 76 | 187 | $65,513 | $350 | premium | 4.2% | (423) 968-1144 |
| 77 | ARKANSAS HEALTH GROUP | LITTLE ROCK | AR | CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) | 666 | 183 | $76,947 | $420 | premium | 10.8% | (501) 202-2093 |
| 78 | VISTA RADIOLOGY, PC | KNOXVILLE | TN | DIAGNOSTIC RADIOLOGY | 68 | 182 | $94,815 | $521 | premium | 4.1% | (865) 546-9484 |
| 79 | UNIVERSITY OF UTAH ADULT SERVICES | SALT LAKE CITY | UT | PHYSICIAN ASSISTANT | 1783 | 179 | $91,661 | $512 | premium | 17.7% | (801) 581-2121 |
| 80 | IHC HEALTH SERVICES INC | MURRAY | UT | PHYSICIAN ASSISTANT | 3944 | 176 | $112,081 | $637 | premium | 17.4% | (801) 261-8346 |
| 81 | SOUTHERN NEW ENGLAND RADIOLOGY INC | FALL RIVER | MA | DIAGNOSTIC RADIOLOGY | 22 | 175 | $62,475 | $357 | premium | 2.7% | (508) 679-7136 |
| 82 | RED RIVER CONSULTANTS INC | SHREVEPORT | LA | DIAGNOSTIC RADIOLOGY | 60 | 169 | $78,078 | $462 | premium | 9.7% | (318) 212-4550 |
| 83 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 168 | $552,147 | $3,287 | premium | 1.3% | (415) 600-1020 |
| 84 | RADIOLOGY PHYSICIANS INC | DAYTON | OH | DIAGNOSTIC RADIOLOGY | 61 | 167 | $69,806 | $418 | premium | 3.1% | (937) 208-8000 |
| 85 | MEDICAL SCANNING CONSULTANTS PA | ST LOUIS PARK | MN | DIAGNOSTIC RADIOLOGY | 81 | 167 | $417,153 | $2,498 | premium | 3.3% | (952) 541-1840 |
| 86 | NORTHWEST RADIOLOGY ASSOCIATES SC | ARLINGTON HEIGHTS | IL | DIAGNOSTIC RADIOLOGY | 21 | 165 | $70,950 | $430 | premium | 2.4% | (847) 618-1000 |
| 87 | RIVERSIDE RADIOLOGY AND INTERVENTIONAL ASSOCIATES INC | COLUMBUS | OH | DIAGNOSTIC RADIOLOGY | 243 | 163 | $85,412 | $524 | premium | 3.1% | (614) 566-5600 |
| 88 | JACKSON RADIOLOGY CONSULTANTS P C | JACKSON | MI | DIAGNOSTIC RADIOLOGY | 11 | 160 | $68,480 | $428 | premium | 2.7% | (517) 783-2612 |
| 89 | SANFORD CLINIC | SIOUX FALLS | SD | DIAGNOSTIC RADIOLOGY | 276 | 160 | $117,600 | $735 | premium | 28.1% | (605) 328-8700 |
| 90 | NEURO IR OF EAST TEXAS | TYLER | TX | DIAGNOSTIC RADIOLOGY | 3 | 157 | $89,647 | $571 | premium | 1.2% | (903) 705-0072 |
| 91 | LOYOLA UNIVERSITY MEDICAL CENTER | MAYWOOD | IL | NURSE PRACTITIONER | 933 | 156 | $77,376 | $496 | premium | 2.3% | (708) 216-8372 |
| 92 | SPECTRUM HEALTHCARE PARTNERS PA | PORTLAND | ME | DIAGNOSTIC RADIOLOGY | 281 | 155 | $67,637 | $436 | premium | 31.3% | (207) 828-2160 |
| 93 | RADIOLOGY ASSOCIATES OF RIDGEWOOD P A | WALDWICK | NJ | DIAGNOSTIC RADIOLOGY | 20 | 155 | $150,288 | $970 | premium | 4.3% | (201) 445-8822 |
| 94 | RUSH UNIVERSITY MEDICAL GROUP | CHICAGO | IL | PHYSICIAN ASSISTANT | 1496 | 154 | $56,980 | $370 | premium | 2.2% | (312) 563-2875 |
| 95 | NEURO INTERVENTIONAL AND DIAGNOSTIC ASSOCIATES, PC | LEES SUMMIT | MO | DIAGNOSTIC RADIOLOGY | 5 | 153 | $70,992 | $464 | premium | 3.7% | (816) 347-5000 |
| 96 | SOUTHWEST NEURO-IMAGING LTD | PHOENIX | AZ | DIAGNOSTIC RADIOLOGY | 8 | 152 | $77,132 | $507 | premium | 4.5% | (602) 954-6228 |
| 97 | GRAND TRAVERSE RADIOLOGISTS PC | TRAVERSE CITY | MI | DIAGNOSTIC RADIOLOGY | 32 | 150 | $51,600 | $344 | premium | 2.5% | (231) 935-5000 |
| 98 | NORTH SHORE HEMATOLOGY ONCOLOGY ASSOCIATES PC | SMITHTOWN | NY | NURSE PRACTITIONER | 462 | 150 | $225,000 | $1,500 | premium | 1.4% | (631) 751-3000 |
| 99 | CENTRAL ILLINOIS RADIOLOGICAL ASSOCIATES LTD | PEORIA | IL | DIAGNOSTIC RADIOLOGY | 196 | 148 | $104,488 | $706 | premium | 2.1% | (309) 655-2000 |
| 100 | ANCILLARY SERVICES OF PRACTICE ASSOCIATES PA | MORRISTOWN | NJ | DIAGNOSTIC RADIOLOGY | 97 | 146 | $55,188 | $378 | premium | 4.1% | (973) 971-6866 |
Showing the top 100 of 589 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 →