361,394 observed fee-for-service (49%) · ~369,849 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; 2 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 | 78815 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 | 10,635 | $7,044,883 | $662 | premium | 15.5% | (713) 592-5433 |
| 2 | TEXAS ONCOLOGY PA | DALLAS | TX | PHYSICIAN ASSISTANT | 995 | 10,619 | $50,992,438 | $4,802 | premium | 15.5% | — |
| 3 | FLORIDA CANCER SPECIALISTS AND RESEARCH INSTITUTE, LLC | FORT MYERS | FL | HEMATOLOGY/ONCOLOGY | 437 | 7,073 | $27,683,054 | $3,914 | premium | 10.8% | (239) 561-9622 |
| 4 | MEMORIAL NUCLEAR MEDICINE GROUP | NEW YORK | NY | NUCLEAR MEDICINE | 39 | 5,322 | $3,735,125 | $702 | premium | 9.0% | (212) 639-2000 |
| 5 | NORTH SHORE HEMATOLOGY ONCOLOGY ASSOCIATES PC | SMITHTOWN | NY | NURSE PRACTITIONER | 462 | 5,191 | $30,645,872 | $5,904 | premium | 8.8% | (631) 751-3000 |
| 6 | MAYO CLINIC | ROCHESTER | MN | NURSE PRACTITIONER | 4896 | 4,644 | $2,395,788 | $516 | premium | 22.5% | (507) 284-2511 |
| 7 | RADIOLOGY ASSOCIATES OF NORTH TEXAS PA | FORT WORTH | TX | DIAGNOSTIC RADIOLOGY | 340 | 4,393 | $2,018,049 | $459 | premium | 6.4% | (817) 321-0470 |
| 8 | STANFORD HEALTH CARE | STANFORD | CA | DIAGNOSTIC RADIOLOGY | 3039 | 4,242 | $16,571,318 | $3,906 | premium | 4.6% | (650) 723-4000 |
| 9 | CITY OF HOPE MEDICAL FOUNDATION | DUARTE | CA | NURSE PRACTITIONER | 942 | 3,767 | $1,360,231 | $361 | premium | 4.1% | (626) 256-4673 |
| 10 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 3,425 | $22,425,809 | $6,548 | premium | 5.8% | (212) 263-9700 |
| 11 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 3,399 | $20,205,600 | $5,945 | premium | 3.7% | (916) 681-8852 |
| 12 | NORTHSIDE RADIOLOGY ASSOCIATES LLC | ATLANTA | GA | DIAGNOSTIC RADIOLOGY | 370 | 3,308 | $5,666,604 | $1,713 | premium | 17.5% | (404) 851-6577 |
| 13 | MAYO CLINIC ARIZONA | PHOENIX | AZ | PHYSICIAN ASSISTANT | 1635 | 2,847 | $2,830,091 | $994 | premium | 14.9% | (800) 603-0558 |
| 14 | HOUSTON RADIOLOGY ASSOCIATED | HOUSTON | TX | DIAGNOSTIC RADIOLOGY | 103 | 2,735 | $2,501,554 | $915 | premium | 4.0% | (281) 206-9020 |
| 15 | MEDICAL ASSOCIATES OF NORTHWEST ARKANSAS, PA | FAYETTEVILLE | AR | FAMILY PRACTICE | 106 | 2,684 | $885,720 | $330 | premium | 17.2% | (479) 521-0200 |
| 16 | CENTRAL ARKANSAS RADIATION THERAPY INSTITUTE INC | LITTLE ROCK | AR | HEMATOLOGY/ONCOLOGY | 90 | 2,574 | $16,360,344 | $6,356 | premium | 16.5% | — |
| 17 | MAYO CLINIC JACKSONVILLE | JACKSONVILLE | FL | NURSE PRACTITIONER | 1587 | 2,454 | $15,280,325 | $6,227 | premium | 3.8% | (904) 953-2000 |
| 18 | MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC | BOSTON | MA | DIAGNOSTIC RADIOLOGY | 3532 | 2,424 | $4,840,535 | $1,997 | premium | 8.4% | (617) 724-0287 |
| 19 | HIGHLANDS ONCOLOGY GROUP PA | FAYETTEVILLE | AR | NURSE PRACTITIONER | 79 | 2,423 | $8,376,000 | $3,457 | premium | 15.5% | (479) 361-2585 |
| 20 | ROCKY MOUNTAIN CANCER CENTERS LLP | COLORADO SPRINGS | CO | NURSE PRACTITIONER | 129 | 2,343 | $8,449,090 | $3,606 | premium | 15.4% | (719) 577-2555 |
| 21 | ADVANCED RADIOLOGY P A | BALTIMORE | MD | DIAGNOSTIC RADIOLOGY | 161 | 2,246 | $6,360,718 | $2,832 | premium | 9.0% | (888) 972-9700 |
| 22 | CHARLOTTE RADIOLOGY PA | CHARLOTTE | NC | DIAGNOSTIC RADIOLOGY | 218 | 2,245 | $1,755,590 | $782 | premium | 9.8% | (704) 362-1945 |
| 23 | CALIFORNIA CANCER ASSOCIATES FOR RESEARCH AND EXCELLENCE INC | FRESNO | CA | HEMATOLOGY/ONCOLOGY | 62 | 2,241 | $10,978,751 | $4,899 | premium | 2.4% | (559) 326-1222 |
| 24 | DIGNITY HEALTH MEDICAL FOUNDATION | FOLSOM | CA | DIAGNOSTIC RADIOLOGY | 1197 | 2,227 | $10,410,570 | $4,675 | premium | 2.4% | (916) 983-7476 |
| 25 | AMERICAN RADIOLOGY CONSULTANTS PLLC | DALLAS | TX | DIAGNOSTIC RADIOLOGY | 121 | 2,166 | $695,286 | $321 | premium | 3.2% | (214) 820-3216 |
| 26 | IRONWOOD PHYSICIANS PC | MESA | AZ | HEMATOLOGY/ONCOLOGY | 114 | 2,147 | $6,553,104 | $3,052 | premium | 11.3% | (480) 981-1326 |
| 27 | BLUE RIDGE RADIOLOGY PC | LYNCHBURG | TN | DIAGNOSTIC RADIOLOGY | 76 | 2,069 | $753,722 | $364 | premium | 11.5% | (423) 968-1144 |
| 28 | ALLISON CURTIS KINGSLEY MEOZ MICHAEL AND SANCHEZ PC | LAS VEGAS | NV | NURSE PRACTITIONER | 71 | 2,057 | $8,474,840 | $4,120 | premium | 32.4% | (702) 952-2140 |
| 29 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 2,048 | $17,924,609 | $8,752 | premium | 2.2% | (415) 600-1020 |
| 30 | H LEE MOFFITT CANCER CTR AND RES INST LIFE TIME CANCER SCRN CTR INC | TAMPA | FL | PHYSICIAN ASSISTANT | 1103 | 1,802 | $1,380,778 | $766 | premium | 2.8% | (813) 745-4673 |
| 31 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 1,767 | $2,881,725 | $1,631 | premium | 5.2% | — |
| 32 | EASTERN RADIOLOGISTS INC | GREENVILLE | NC | DIAGNOSTIC RADIOLOGY | 93 | 1,731 | $643,799 | $372 | premium | 7.6% | (252) 752-5000 |
| 33 | ANCILLARY SERVICES OF PRACTICE ASSOCIATES PA | MORRISTOWN | NJ | DIAGNOSTIC RADIOLOGY | 97 | 1,712 | $669,392 | $391 | premium | 8.3% | (973) 971-6866 |
| 34 | MEDICAL CENTER RADIOLOGISTS INC | NORFOLK | VA | DIAGNOSTIC RADIOLOGY | 123 | 1,628 | $590,964 | $363 | premium | 7.7% | (757) 466-6870 |
| 35 | REGENTS OF THE UNIV OF CA | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 1608 | 1,577 | $4,024,517 | $2,552 | premium | 1.7% | (877) 827-7463 |
| 36 | SCRIPPS HEALTH | LA JOLLA | CA | PHYSICIAN ASSISTANT | 1431 | 1,529 | $14,326,297 | $9,370 | premium | 1.6% | (858) 455-9100 |
| 37 | BEAUMONT MEDICAL GROUP- SPECIALTY SERVICES | ROYAL OAK | MI | PHYSICIAN ASSISTANT | 833 | 1,486 | $4,982,558 | $3,353 | premium | 9.9% | (248) 898-5058 |
| 38 | KANSAS UNIVERSITY PHYSICIANS INC | KANSAS CITY | KS | NURSE PRACTITIONER | 1815 | 1,466 | $414,746 | $283 | premium | 14.0% | (913) 588-1227 |
| 39 | IHC HEALTH SERVICES INC | MURRAY | UT | PHYSICIAN ASSISTANT | 3944 | 1,456 | $527,436 | $362 | premium | 54.8% | (801) 261-8346 |
| 40 | STATE UNIVERSITY OF IOWA | IOWA CITY | IA | PHYSICIAN ASSISTANT | 1902 | 1,441 | $902,057 | $626 | premium | 19.2% | (319) 678-8201 |
| 41 | UNIVERSITY OF MIAMI | MIAMI | FL | NURSE PRACTITIONER | 2331 | 1,436 | $696,460 | $485 | premium | 2.2% | (305) 689-5437 |
| 42 | PROGRESSIVE PHYSICIAN ASSOC INC | PHILLIPSBURG | PA | DIAGNOSTIC RADIOLOGY | 160 | 1,432 | $667,312 | $466 | premium | 4.6% | (908) 859-6700 |
| 43 | WOODBURN NUCLEAR MEDICINE, LTD | ANNANDALE | VA | NUCLEAR MEDICINE | 7 | 1,403 | $7,001,500 | $4,990 | premium | 6.6% | (703) 698-0666 |
| 44 | PALM DESERT RADIOLOGY MEDICAL GROUP INC | RANCHO MIRAGE | CA | DIAGNOSTIC RADIOLOGY | 125 | 1,401 | $3,692,521 | $2,636 | premium | 1.5% | (760) 773-1251 |
| 45 | RADIOLOGY PHYSICIANS INC | DAYTON | OH | DIAGNOSTIC RADIOLOGY | 61 | 1,398 | $384,450 | $275 | premium | 7.4% | (937) 208-8000 |
| 46 | ASSOCIATION OF UNIVERSITY RADIOLOGISTS, PC | KNOXVILLE | TN | DIAGNOSTIC RADIOLOGY | 35 | 1,379 | $588,833 | $427 | premium | 7.7% | (865) 305-9661 |
| 47 | UNIVERSITY OF VIRGINIA PHYSICIANS GROUP | CHARLOTTESVILLE | VA | NURSE PRACTITIONER | 1704 | 1,363 | $464,406 | $341 | premium | 6.4% | (434) 924-5959 |
| 48 | RHODE ISLAND MEDICAL IMAGING INC | EAST PROVIDENCE | RI | DIAGNOSTIC RADIOLOGY | 109 | 1,361 | $631,508 | $464 | premium | 45.1% | (401) 626-3900 |
| 49 | ROCKY MOUNTAIN ONCOLOGY CENTER LLC | CASPER | WY | PHYSICIAN ASSISTANT | 8 | 1,337 | $5,174,526 | $3,870 | premium | 63.1% | — |
| 50 | DUKE HEALTH INTEGRATED PRACTICE INC | DURHAM | NC | PHYSICIAN ASSISTANT | 3051 | 1,331 | $711,843 | $535 | premium | 5.8% | (919) 684-8111 |
| 51 | YALE UNIVERSITY | NEW HAVEN | CT | PHYSICIAN ASSISTANT | 2649 | 1,330 | $711,550 | $535 | premium | 22.4% | (203) 688-4242 |
| 52 | MECKLENBURG RADIOLOGY ASSOCIATES PA | CHARLOTTE | NC | DIAGNOSTIC RADIOLOGY | 94 | 1,329 | $559,490 | $421 | premium | 5.8% | (704) 332-1291 |
| 53 | ADVANCED RADIOLOGY SERVICES PC | GRAND RAPIDS | MI | DIAGNOSTIC RADIOLOGY | 249 | 1,328 | $569,125 | $429 | premium | 8.9% | (616) 363-7272 |
| 54 | OU HEALTH PARTNERS INC | OKLAHOMA CITY | OK | PHYSICIAN ASSISTANT | 1160 | 1,280 | $562,266 | $439 | premium | 11.0% | (405) 271-4311 |
| 55 | CANCER CENTER OF KANSAS PA | WICHITA | KS | HEMATOLOGY/ONCOLOGY | 27 | 1,260 | $4,541,393 | $3,604 | premium | 12.0% | (316) 262-4467 |
| 56 | EPIC CARE | PLEASANT HILL | CA | HEMATOLOGY/ONCOLOGY | 54 | 1,258 | $8,667,795 | $6,890 | premium | 1.4% | (925) 687-2570 |
| 57 | PRISMA HEALTH UNIVERSITY MEDICAL GROUP | GREENVILLE | SC | NURSE PRACTITIONER | 2447 | 1,254 | $495,192 | $395 | premium | 9.2% | — |
| 58 | UNIVERSITY PHYSICIANS INCORPORATED | AURORA | CO | PHYSICIAN ASSISTANT | 3122 | 1,246 | $625,492 | $502 | premium | 8.2% | (720) 777-1234 |
| 59 | THE ASSOCIATION OF UNIVERSITY PHYSICIANS | SEATTLE | WA | PHYSICIAN ASSISTANT | 3612 | 1,233 | $826,971 | $671 | premium | 8.3% | (206) 364-0500 |
| 60 | UNIVERSITY OF ALABAMA HEALTH SERVICES FOUNDATION, PC | BIRMINGHAM | AL | NURSE PRACTITIONER | 2788 | 1,232 | $8,302,448 | $6,739 | premium | 10.7% | (205) 934-3460 |
| 61 | LAKELAND RADIOLOGISTS P A | FLOWOOD | MS | DIAGNOSTIC RADIOLOGY | 29 | 1,229 | $739,656 | $602 | premium | 16.7% | (601) 936-2390 |
| 62 | NEW YORK UNIVERSITY | NEW YORK | VA | DIAGNOSTIC RADIOLOGY | 5704 | 1,204 | $7,869,350 | $6,536 | premium | 5.7% | (212) 263-9700 |
| 63 | TEMPLE FACULTY PRACTICE PLAN INC | PHILADELPHIA | PA | PHYSICIAN ASSISTANT | 1330 | 1,201 | $456,380 | $380 | premium | 3.8% | — |
| 64 | ZWANGER AND PESIRI RADIOLOGY GROUP LLP | LINDENHURST | NY | DIAGNOSTIC RADIOLOGY | 91 | 1,193 | $4,074,752 | $3,416 | premium | 2.0% | (631) 225-7200 |
| 65 | SCOTT AND WHITE CLINIC | TEMPLE | TX | PHYSICIAN ASSISTANT | 2435 | 1,134 | $605,556 | $534 | premium | 1.7% | (254) 724-2663 |
| 66 | SDMI, LLC | LAS VEGAS | NV | DIAGNOSTIC RADIOLOGY | 36 | 1,123 | $5,069,790 | $4,515 | premium | 17.7% | (702) 732-6000 |
| 67 | WEST COUNTY RADIOLOGICAL GROUP INC | SAINT LOUIS | MO | DIAGNOSTIC RADIOLOGY | 104 | 1,121 | $427,101 | $381 | premium | 6.0% | (314) 941-5600 |
| 68 | WASHINGTON UNIVERSITY | SAINT LOUIS | MO | NURSE PRACTITIONER | 3070 | 1,119 | $877,882 | $785 | premium | 6.0% | (314) 747-3000 |
| 69 | OPTUM MEDICAL CARE PC | MOUNT KISCO | NY | INTERNAL MEDICINE | 1040 | 1,100 | $7,242,427 | $6,584 | premium | 1.9% | (914) 241-1050 |
| 70 | SPECTRUM HEALTHCARE PARTNERS PA | PORTLAND | ME | DIAGNOSTIC RADIOLOGY | 281 | 1,091 | $398,215 | $365 | premium | 32.5% | (207) 828-2160 |
| 71 | RADIOLOGY ASSOCIATES LLC | OKLAHOMA CITY | OK | DIAGNOSTIC RADIOLOGY | 19 | 1,073 | $445,295 | $415 | premium | 9.2% | (405) 949-3011 |
| 72 | RADIOLOGY REGIONAL CENTER P A | FORT MYERS | FL | DIAGNOSTIC RADIOLOGY | 52 | 1,069 | $3,386,869 | $3,168 | premium | 1.6% | (239) 936-2316 |
| 73 | ROPER RADIOLOGISTS PA | CHARLESTON | SC | DIAGNOSTIC RADIOLOGY | 40 | 1,063 | $1,215,009 | $1,143 | premium | 7.8% | (843) 724-2161 |
| 74 | ROSWELL PARK CANCER INSTITUTE | BUFFALO | NY | NURSE PRACTITIONER | 502 | 1,058 | $1,632,038 | $1,543 | premium | 1.8% | (716) 845-2300 |
| 75 | ARIZONA CENTER FOR HEMATOLOGY AND ONCOLOGY PLC | PHOENIX | AZ | UROLOGY | 61 | 1,051 | $2,800,915 | $2,665 | premium | 5.5% | (480) 278-8300 |
| 76 | WELLSPAN MEDICAL GROUP | YORK | PA | PHYSICIAN ASSISTANT | 2312 | 1,045 | $256,571 | $246 | premium | 3.3% | — |
| 77 | TOLEDO RADIOLOGICAL ASSOCIATES INC | COLDWATER | OH | DIAGNOSTIC RADIOLOGY | 51 | 1,043 | $363,894 | $349 | premium | 5.5% | (517) 279-5400 |
| 78 | UCLA RADIOLOGY MEDICAL GROUP | LOS ANGELES | CA | DIAGNOSTIC RADIOLOGY | 191 | 1,038 | $11,017,396 | $10,614 | premium | 1.1% | (310) 301-6800 |
| 79 | COMMUNITY RADIOLOGY ASSOCIATES INC | FREDERICK | MD | DIAGNOSTIC RADIOLOGY | 62 | 1,036 | $3,261,148 | $3,148 | premium | 4.1% | (888) 601-0943 |
| 80 | RADIOLOGY AND MEDICAL IMAGERY OF NEWNAN PC | NEWNAN | GA | DIAGNOSTIC RADIOLOGY | 35 | 1,030 | $1,123,488 | $1,091 | premium | 5.5% | (770) 400-1000 |
| 81 | UMASS MEMORIAL MEDICAL GROUP INC | WORCESTER | MA | PHYSICIAN ASSISTANT | 2483 | 1,026 | $458,622 | $447 | premium | 3.6% | (508) 334-1000 |
| 82 | CANCER SPECIALISTS LLC | JACKSONVILLE | FL | HEMATOLOGY/ONCOLOGY | 46 | 1,012 | $3,021,220 | $2,985 | premium | 1.6% | (904) 516-3737 |
| 83 | SANFORD MEDICAL CENTER FARGO | FARGO | ND | NURSE PRACTITIONER | 1198 | 1,006 | $345,154 | $343 | premium | 30.7% | (701) 234-2000 |
| 84 | MASS GENERAL BRIGHAM COMMUNITY PHYSICIANS INC | MEDFORD | TX | DIAGNOSTIC RADIOLOGY | 424 | 995 | $610,092 | $613 | premium | 1.4% | (781) 395-4909 |
| 85 | NEW YORK ONCOLOGY HEMATOLOGY PC | ALBANY | NY | NURSE PRACTITIONER | 83 | 982 | $4,891,661 | $4,981 | premium | 1.7% | (518) 262-6696 |
| 86 | AMERICAN ONCOLOGY PARTNERS PA | FORT WAYNE | AR | HEMATOLOGY/ONCOLOGY | 333 | 968 | $4,379,252 | $4,524 | premium | 6.2% | (260) 484-8830 |
| 87 | UC REGENTS | ORANGE | CA | DIAGNOSTIC RADIOLOGY | 99 | 939 | $2,874,360 | $3,061 | premium | 1.0% | (714) 456-7004 |
| 88 | COMMONWEALTH RADIOLOGY PC | RICHMOND | VA | DIAGNOSTIC RADIOLOGY | 49 | 923 | $286,130 | $310 | premium | 4.3% | (804) 288-8327 |
| 89 | UROLOGY CLINICS OF NORTH TEXAS, PLLC | DALLAS | TX | UROLOGY | 72 | 923 | $3,547,135 | $3,843 | premium | 1.3% | (214) 691-9377 |
| 90 | LAKE MEDICAL IMAGING AND BREAST CENTER AT THE VILLAGES LLC | LEESBURG | FL | DIAGNOSTIC RADIOLOGY | 22 | 917 | $3,998,231 | $4,360 | premium | 1.4% | (352) 787-5858 |
| 91 | RADIOLOGY INC | GOSHEN | IN | DIAGNOSTIC RADIOLOGY | 35 | 903 | $537,285 | $595 | premium | 6.4% | (574) 535-2693 |
| 92 | ONCOLOGY HEMATOLOGY CONSULTANTS, PA | FORT WORTH | TX | HEMATOLOGY/ONCOLOGY | 69 | 903 | $3,822,975 | $4,234 | premium | 1.3% | (817) 759-7000 |
| 93 | RADIOLOGICAL PHYSICIAN ASSOCIATES INC | BRIDGEPORT | WV | DIAGNOSTIC RADIOLOGY | 28 | 901 | $431,067 | $478 | premium | 20.0% | (681) 342-1000 |
| 94 | RADIOLOGY IMAGING ASSOCIATES PC | ENGLEWOOD | CO | DIAGNOSTIC RADIOLOGY | 148 | 892 | $719,348 | $806 | premium | 5.9% | (303) 761-9190 |
| 95 | UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL CENTER AT DALLAS | DALLAS | TX | PHYSICIAN ASSISTANT | 3200 | 885 | $326,565 | $369 | premium | 1.3% | (214) 633-5555 |
| 96 | HARVARD MEDICAL FACULTY PHYS AT BETH ISRAEL DEACONESS MED CTR INC | BOSTON | MA | INTERNAL MEDICINE | 1689 | 884 | $335,036 | $379 | premium | 3.1% | (781) 983-9088 |
| 97 | DARTMOUTH-HITCHCOCK CLINIC | LEBANON | NH | PHYSICIAN ASSISTANT | 1441 | 880 | $968,852 | $1,101 | premium | 25.3% | (603) 650-5000 |
| 98 | UNIVERSITY OF CHICAGO | CHICAGO | IL | NURSE PRACTITIONER | 1662 | 874 | $787,000 | $900 | premium | 2.6% | (888) 824-0200 |
| 99 | REGENTS OF THE UNIVERSITY OF MICHIGAN | ANN ARBOR | MI | INTERNAL MEDICINE | 3330 | 870 | $472,560 | $543 | premium | 5.8% | (734) 763-5459 |
| 100 | DRS HARRIS BIRKHILL WANG SONGE AND ASSOC PC | DEARBORN | MI | DIAGNOSTIC RADIOLOGY | 62 | 869 | $275,473 | $317 | premium | 5.8% | (313) 593-7301 |
Showing the top 100 of 711 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 →