Q9967 — Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml
37,418,731 observed fee-for-service (49%) · ~38,678,787 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; 1 state 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 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 | Q9967 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | MAYO CLINIC | ROCHESTER | MN | NURSE PRACTITIONER | 4896 | 1,765,373 | $1,540,159 | $1 | premium | 45.5% | (507) 284-2511 |
| 2 | TEXAS ONCOLOGY PA | DALLAS | TX | PHYSICIAN ASSISTANT | 995 | 1,434,628 | $4,294,644 | $3 | premium | 16.4% | — |
| 3 | MAYO CLINIC JACKSONVILLE | JACKSONVILLE | FL | NURSE PRACTITIONER | 1587 | 1,203,299 | $1,454,441 | $1 | premium | 10.8% | (904) 953-2000 |
| 4 | ADVANCED RADIOLOGY P A | BALTIMORE | MD | DIAGNOSTIC RADIOLOGY | 161 | 1,027,843 | $368,775 | $0 | premium | 24.3% | (888) 972-9700 |
| 5 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 969,038 | $969,062 | $1 | premium | 8.9% | (916) 681-8852 |
| 6 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 853,098 | $1,661,189 | $2 | premium | 7.8% | (415) 600-1020 |
| 7 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 758,035 | $2,308,067 | $3 | premium | 10.2% | (212) 263-9700 |
| 8 | FLORIDA CANCER SPECIALISTS AND RESEARCH INSTITUTE, LLC | FORT MYERS | FL | HEMATOLOGY/ONCOLOGY | 437 | 704,792 | $711,712 | $1 | premium | 6.3% | (239) 561-9622 |
| 9 | SCRIPPS HEALTH | LA JOLLA | CA | PHYSICIAN ASSISTANT | 1431 | 661,922 | $2,036,474 | $3 | premium | 6.1% | (858) 455-9100 |
| 10 | ZWANGER AND PESIRI RADIOLOGY GROUP LLP | LINDENHURST | NY | DIAGNOSTIC RADIOLOGY | 91 | 630,481 | $97,055 | $0 | premium | 8.5% | (631) 225-7200 |
| 11 | RADIOLOGY REGIONAL CENTER P A | FORT MYERS | FL | DIAGNOSTIC RADIOLOGY | 52 | 612,878 | $757,511 | $1 | premium | 5.5% | (239) 936-2316 |
| 12 | MAYO CLINIC ARIZONA | PHOENIX | AZ | PHYSICIAN ASSISTANT | 1635 | 597,788 | $510,583 | $1 | premium | 14.3% | (800) 603-0558 |
| 13 | MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC | BOSTON | MA | DIAGNOSTIC RADIOLOGY | 3532 | 578,723 | $578,844 | $1 | premium | 28.3% | (617) 724-0287 |
| 14 | CENTRAL ARKANSAS RADIATION THERAPY INSTITUTE INC | LITTLE ROCK | AR | HEMATOLOGY/ONCOLOGY | 90 | 470,489 | $940,978 | $2 | premium | 35.8% | — |
| 15 | HIGHLANDS ONCOLOGY GROUP PA | FAYETTEVILLE | AR | NURSE PRACTITIONER | 79 | 426,675 | $680,802 | $2 | premium | 32.5% | (479) 361-2585 |
| 16 | PALM DESERT RADIOLOGY MEDICAL GROUP INC | RANCHO MIRAGE | CA | DIAGNOSTIC RADIOLOGY | 125 | 416,690 | $416,690 | $1 | premium | 3.8% | (760) 773-1251 |
| 17 | SDMI, LLC | LAS VEGAS | NV | DIAGNOSTIC RADIOLOGY | 36 | 403,306 | $161,057 | $0 | premium | 39.7% | (702) 732-6000 |
| 18 | COMMUNITY RADIOLOGY ASSOCIATES INC | FREDERICK | MD | DIAGNOSTIC RADIOLOGY | 62 | 377,918 | $136,050 | $0 | premium | 8.9% | (888) 601-0943 |
| 19 | DIGNITY HEALTH MEDICAL FOUNDATION | FOLSOM | CA | DIAGNOSTIC RADIOLOGY | 1197 | 363,611 | $556,408 | $2 | premium | 3.3% | (916) 983-7476 |
| 20 | IRONWOOD PHYSICIANS PC | MESA | AZ | HEMATOLOGY/ONCOLOGY | 114 | 332,761 | $345,136 | $1 | premium | 8.0% | (480) 981-1326 |
| 21 | LAKE MEDICAL IMAGING AND BREAST CENTER AT THE VILLAGES LLC | LEESBURG | FL | DIAGNOSTIC RADIOLOGY | 22 | 325,246 | $650,492 | $2 | premium | 2.9% | (352) 787-5858 |
| 22 | PIONEER SPINE AND SPORTS PHYSICIANS PC | WEST SPRINGFIELD | MA | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 29 | 315,031 | $75,549 | $0 | premium | 15.4% | (413) 785-1153 |
| 23 | SMI IMAGING LLC | PHOENIX | AZ | DIAGNOSTIC RADIOLOGY | 364 | 314,064 | $816,432 | $3 | premium | 7.5% | (480) 753-6161 |
| 24 | RADIOLOGY LTD LLC | TUCSON | AZ | DIAGNOSTIC RADIOLOGY | 102 | 254,151 | $489,296 | $2 | premium | 6.1% | (520) 290-4842 |
| 25 | OPTUM MEDICAL CARE PC | MOUNT KISCO | NY | INTERNAL MEDICINE | 1040 | 244,937 | $202,064 | $1 | premium | 3.3% | (914) 241-1050 |
| 26 | LENOX HILL RADIOLOGY AND MEDICAL IMAGING ASSOCIATES PC | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 244 | 224,870 | $105,258 | $0 | premium | 3.0% | (212) 772-3111 |
| 27 | CANCER SPECIALISTS LLC | JACKSONVILLE | FL | HEMATOLOGY/ONCOLOGY | 46 | 198,311 | $322,711 | $2 | premium | 1.8% | (904) 516-3737 |
| 28 | MILLENNIUM PHYSICIAN GROUP LLC | PORT CHARLOTTE | FL | PHYSICIAN ASSISTANT | 953 | 197,369 | $51,925 | $0 | premium | 1.8% | (941) 255-3535 |
| 29 | TENNESSEE ONCOLOGY PLLC | NASHVILLE | TN | HEMATOLOGY/ONCOLOGY | 360 | 187,450 | $186,934 | $1 | premium | 5.4% | (615) 385-3751 |
| 30 | ONCOLOGY-HEMATOLOGY ASSOCIATES OF CENTRAL ILLINOIS P C | PEORIA | IL | NURSE PRACTITIONER | 62 | 186,605 | $317,090 | $2 | premium | 6.2% | (309) 243-3000 |
| 31 | RADIOLOGY ASSOCIATES OF VENICE AND ENGLEWOOD PA | VENICE | FL | DIAGNOSTIC RADIOLOGY | 8 | 183,979 | $44,155 | $0 | premium | 1.6% | (941) 486-3483 |
| 32 | BLACKWELL PHYSICIANS, LLC | ROCKVILLE | MD | DIAGNOSTIC RADIOLOGY | 67 | 181,589 | $276,015 | $2 | premium | 4.3% | (240) 826-6074 |
| 33 | SOUTH CAROLINA ONCOLOGY ASSOC PA | COLUMBIA | SC | HEMATOLOGY/ONCOLOGY | 18 | 180,170 | $95,490 | $1 | premium | 9.4% | (803) 461-3000 |
| 34 | RHODE ISLAND MEDICAL IMAGING INC | EAST PROVIDENCE | RI | DIAGNOSTIC RADIOLOGY | 109 | 177,570 | $97,698 | $1 | premium | 51.0% | (401) 626-3900 |
| 35 | CANCER CARE SPECIALISTS OF CENTRAL ILLINOIS SC | DECATUR | IL | HEMATOLOGY/ONCOLOGY | 30 | 177,000 | $552,240 | $3 | premium | 5.9% | (217) 876-4700 |
| 36 | UCLA RADIOLOGY MEDICAL GROUP | LOS ANGELES | CA | DIAGNOSTIC RADIOLOGY | 191 | 175,027 | $876,035 | $5 | premium | 1.6% | (310) 301-6800 |
| 37 | DIAGNOSTIC CENTERS OF AMERICA, LLP | BOYNTON BEACH | FL | DIAGNOSTIC RADIOLOGY | 103 | 171,244 | $212,676 | $1 | premium | 1.5% | (561) 496-6935 |
| 38 | RADIOLOGY ASSOCIATES LLP | CORPUS CHRISTI | TX | DIAGNOSTIC RADIOLOGY | 15 | 165,495 | $75,322 | $0 | premium | 1.9% | (361) 887-7000 |
| 39 | LEXINGTON HEALTH INC | WEST COLUMBIA | SC | NURSE PRACTITIONER | 909 | 163,142 | $314,214 | $2 | premium | 8.6% | (803) 744-4900 |
| 40 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 161,970 | $283,137 | $2 | premium | 5.4% | — |
| 41 | CEDARS-SINAI MEDICAL CARE FOUNDATION | LOS ANGELES | CA | PHYSICIAN ASSISTANT | 1699 | 156,021 | $156,120 | $1 | premium | 1.4% | (310) 423-0674 |
| 42 | RADIOLOGY IMAGING ASSOCIATES | PORT ST LUCIE | FL | DIAGNOSTIC RADIOLOGY | 11 | 149,635 | $53,869 | $0 | premium | 1.3% | (772) 905-3589 |
| 43 | UNIVERSITY OF TEXAS HEALTH SCIENCE CENTER AT SAN ANTONIO | SAN ANTONIO | TX | PHYSICIAN ASSISTANT | 1326 | 149,348 | $67,681 | $0 | premium | 1.7% | (210) 450-7044 |
| 44 | SPRINGFIELD CLINIC, LLP | SPRINGFIELD | IL | NURSE PRACTITIONER | 686 | 148,540 | $77,241 | $1 | premium | 5.0% | (217) 544-6464 |
| 45 | REVERE HEALTH PC | PROVO | UT | PHYSICIAN ASSISTANT | 410 | 147,317 | $147,530 | $1 | premium | 57.5% | — |
| 46 | HOLSTON MEDICAL GROUP PC | BRISTOL | TN | NURSE PRACTITIONER | 244 | 141,233 | $141,233 | $1 | premium | 4.0% | (423) 844-7000 |
| 47 | CARDIOLOGY ASSOCIATES OF MOBILE INC | MOBILE | AL | PHYSICIAN ASSISTANT | 52 | 132,155 | $132,155 | $1 | premium | 9.7% | (251) 460-0078 |
| 48 | BEVERLY RADIOLOGY MEDICAL GROUP III | GARDEN GROVE | CA | DIAGNOSTIC RADIOLOGY | 328 | 130,819 | $65,462 | $1 | premium | 1.2% | — |
| 49 | AMERICAN ACCESS CARE PHYSICIAN PLLC | BROOKLYN | NY | INTERVENTIONAL RADIOLOGY | 17 | 129,664 | $129,664 | $1 | premium | 1.7% | (718) 369-1444 |
| 50 | ROCKY MOUNTAIN CANCER CENTERS LLP | COLORADO SPRINGS | CO | NURSE PRACTITIONER | 129 | 129,030 | $387,090 | $3 | premium | 9.2% | (719) 577-2555 |
| 51 | WOODLANDS MEDICAL SPECIALISTS P A | PENSACOLA | FL | PHYSICIAN ASSISTANT | 51 | 128,847 | $386,541 | $3 | premium | 1.2% | (850) 696-4000 |
| 52 | HEMATOLOGY-ONCOLOGY ASSOCIATES OF CNY, PC | EAST SYRACUSE | NY | NURSE PRACTITIONER | 61 | 127,444 | $127,345 | $1 | premium | 1.7% | (315) 472-7504 |
| 53 | DUPAGE MEDICAL GROUP LTD | GLEN ELLYN | IL | PHYSICIAN ASSISTANT | 1323 | 127,006 | $254,012 | $2 | premium | 4.2% | (630) 469-9200 |
| 54 | ZWANGER AND PESIRI RADIOLOGY GROUP LLP | LINDENHURST | NJ | DIAGNOSTIC RADIOLOGY | 91 | 122,501 | $15,386 | $0 | premium | 3.6% | (631) 225-7200 |
| 55 | MEDICAL SCANNING CONSULTANTS PA | ST LOUIS PARK | MN | DIAGNOSTIC RADIOLOGY | 81 | 117,505 | $352,820 | $3 | premium | 3.0% | (952) 541-1840 |
| 56 | BEND MEMORIAL CLINIC PC | BEND | OR | PHYSICIAN ASSISTANT | 233 | 116,390 | $40,303 | $0 | premium | 13.4% | (541) 382-2811 |
| 57 | VIRGINIA UROLOGY CENTER | RICHMOND | VA | UROLOGY | 90 | 109,792 | $120,771 | $1 | premium | 3.3% | (804) 330-9105 |
| 58 | TOLEDO CLINIC INCORPORATED | TOLEDO | OH | NURSE PRACTITIONER | 217 | 109,437 | $218,874 | $2 | premium | 11.3% | (419) 874-3246 |
| 59 | STONY BROOK RADIOLOGY, UNIVERSITY FACULTY PRACTICE CORPORATION | STONY BROOK | NY | DIAGNOSTIC RADIOLOGY | 59 | 107,870 | $130,758 | $1 | premium | 1.4% | (631) 638-2121 |
| 60 | DAYTON PHYSICIANS LLC | CENTERVILLE | OH | NURSE PRACTITIONER | 40 | 107,200 | $26,800 | $0 | premium | 11.1% | (937) 293-1622 |
| 61 | DELAWARE RADIOLOGY ASSOCIATES PA | NEWARK | DE | DIAGNOSTIC RADIOLOGY | 56 | 105,962 | $41,722 | $0 | premium | 32.4% | (302) 737-5990 |
| 62 | REGIONAL MEDICAL IMAGING PC | FLINT | MI | DIAGNOSTIC RADIOLOGY | 22 | 105,590 | $52,795 | $0 | premium | 14.0% | (810) 732-8870 |
| 63 | SOUTH FLORIDA MEDICAL IMAGING PA | FORT LAUDERDALE | FL | DIAGNOSTIC RADIOLOGY | 44 | 104,658 | $130,822 | $1 | premium | 0.9% | (954) 267-6650 |
| 64 | RADIANT IMAGING INC | PASADENA | CA | DIAGNOSTIC RADIOLOGY | 67 | 100,875 | $141,225 | $1 | premium | 0.9% | (626) 229-8969 |
| 65 | MISSOURI CANCER ASSOCIATES LLC | COLUMBIA | MO | RADIATION ONCOLOGY | 22 | 100,602 | $301,806 | $3 | premium | 10.8% | (573) 874-7800 |
| 66 | LAREDO CARDIOVASCULAR CONSULTANTS,P.A. | LAREDO | TX | INTERNAL MEDICINE | 4 | 92,100 | $138,154 | $2 | premium | 1.1% | (956) 725-1228 |
| 67 | ATRIUS HEALTH INC | BOSTON | MA | NURSE PRACTITIONER | 1196 | 91,144 | $91,144 | $1 | premium | 4.5% | (617) 421-1000 |
| 68 | THE NEW JERSEY IMAGING NETWORK, LLC | CEDAR KNOLLS | NJ | DIAGNOSTIC RADIOLOGY | 71 | 90,075 | $32,427 | $0 | premium | 2.6% | (973) 695-1290 |
| 69 | WICHITA UROLOGY GROUP PA | WICHITA | KS | UROLOGY | 30 | 88,753 | $107,000 | $1 | premium | 14.3% | (316) 636-6100 |
| 70 | ALLISON CURTIS KINGSLEY MEOZ MICHAEL AND SANCHEZ PC | LAS VEGAS | NV | NURSE PRACTITIONER | 71 | 85,115 | $255,345 | $3 | premium | 8.4% | (702) 952-2140 |
| 71 | DIAGNOSTIC IMAGING CENTERS PA | KANSAS CITY | MO | DIAGNOSTIC RADIOLOGY | 28 | 85,062 | $355,765 | $4 | premium | 9.2% | (816) 444-9989 |
| 72 | HEART CARE CENTERS OF ILLINOIS, S.C. | PALOS PARK | IL | INTERVENTIONAL CARDIOLOGY | 38 | 83,630 | $83,630 | $1 | premium | 2.8% | — |
| 73 | INNOVATIVE RADIOLOGY PA | HOUSTON | TX | DIAGNOSTIC RADIOLOGY | 31 | 82,426 | $74,680 | $1 | premium | 0.9% | (713) 797-1919 |
| 74 | THE IOWA CLINIC PC | WEST DES MOINES | IA | PHYSICIAN ASSISTANT | 302 | 80,815 | $161,630 | $2 | premium | 9.8% | (515) 343-1000 |
| 75 | CALIFORNIA MANAGED IMAGING MEDICAL GROUP INC | SANTA BARBARA | CA | DIAGNOSTIC RADIOLOGY | 64 | 80,793 | $104,407 | $1 | premium | 0.7% | (800) 841-4236 |
| 76 | TIDEWATER PHYSICIANS MULTISPECIALTY GROUP, PC | NEWPORT NEWS | VA | FAMILY PRACTICE | 274 | 80,494 | $141,800 | $2 | premium | 2.5% | (757) 595-9880 |
| 77 | VIRGINIA CARDIOVASCULAR SPECIALISTS | RICHMOND | VA | INTERVENTIONAL CARDIOLOGY | 56 | 80,306 | $80,638 | $1 | premium | 2.4% | (804) 282-2685 |
| 78 | OKLAHOMA CANCER SPECIALISTS AND RESEARCH INSTITUTE, LLC | TULSA | OK | NURSE PRACTITIONER | 47 | 79,025 | $79,025 | $1 | premium | 17.6% | (918) 505-3200 |
| 79 | MULTICARE HEALTH SYSTEM | GIG HARBOR | WA | NURSE PRACTITIONER | 2289 | 78,546 | $81,866 | $1 | premium | 4.5% | — |
| 80 | CANCER CARE NORTHWEST CENTERS P S | SPOKANE | WA | RADIATION ONCOLOGY | 41 | 77,745 | $225,895 | $3 | premium | 4.5% | (509) 228-1000 |
| 81 | CAROLINAS PHYSICIANS NETWORK INC | CHARLOTTE | NC | PHYSICIAN ASSISTANT | 2360 | 77,528 | $77,528 | $1 | premium | 2.3% | (704) 667-1000 |
| 82 | GRAVES GILBERT CLINIC PLLC | BOWLING GREEN | KY | NURSE PRACTITIONER | 221 | 76,861 | $76,861 | $1 | premium | 17.1% | (270) 781-4043 |
| 83 | VIRGINIA MASON MEDICAL CENTER | SEATTLE | WA | PHYSICIAN ASSISTANT | 879 | 75,366 | $377,290 | $5 | premium | 4.3% | (206) 223-6600 |
| 84 | NEW YORK ONCOLOGY HEMATOLOGY PC | ALBANY | NY | NURSE PRACTITIONER | 83 | 75,092 | $225,276 | $3 | premium | 1.0% | (518) 262-6696 |
| 85 | FPA HOSPITAL BASED | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 427 | 74,259 | $74,259 | $1 | premium | 1.0% | (212) 252-6004 |
| 86 | HEALTHTEXAS PROVIDER NETWORK | DALLAS | TX | PHYSICIAN ASSISTANT | 2482 | 73,158 | $323,251 | $4 | premium | 0.8% | — |
| 87 | COASTAL CANCER CENTER LLC | MYRTLE BEACH | SC | RADIATION ONCOLOGY | 22 | 72,950 | $72,950 | $1 | premium | 3.8% | (843) 449-9415 |
| 88 | CHRISTUS TRINITY CLINIC | TYLER | TX | NURSE PRACTITIONER | 1495 | 71,653 | $121,797 | $2 | premium | 0.8% | (903) 606-5560 |
| 89 | EPIC CARE | PLEASANT HILL | CA | HEMATOLOGY/ONCOLOGY | 54 | 70,150 | $210,450 | $3 | premium | 0.6% | (925) 687-2570 |
| 90 | CONRAD PEARSON CLINIC PC | SOUTHAVEN | TN | UROLOGY | 21 | 70,036 | $70,036 | $1 | premium | 2.0% | (662) 349-1964 |
| 91 | CHRISTIE CLINIC, PLLC | CHAMPAIGN | IL | INTERNAL MEDICINE | 220 | 69,897 | $69,897 | $1 | premium | 2.3% | (217) 366-1200 |
| 92 | AUC UROLOGISTS LLC | MYRTLE BEACH | SC | PHYSICIAN ASSISTANT | 28 | 69,826 | $31,278 | $0 | premium | 3.7% | (843) 347-2450 |
| 93 | UROLOGY AUSTIN PLLC | AUSTIN | TX | PHYSICIAN ASSISTANT | 57 | 69,109 | $69,109 | $1 | premium | 0.8% | (512) 788-9688 |
| 94 | CHARTER RADIOLOGY LLC | COLUMBIA | MD | DIAGNOSTIC RADIOLOGY | 5 | 68,660 | $274,640 | $4 | premium | 1.6% | (443) 917-2855 |
| 95 | CALIFORNIA CANCER ASSOCIATES FOR RESEARCH AND EXCELLENCE INC | FRESNO | CA | HEMATOLOGY/ONCOLOGY | 62 | 68,371 | $68,371 | $1 | premium | 0.6% | (559) 326-1222 |
| 96 | SOUTHERN ORTHOPAEDIC ALLIANCE PLLC | MOBILE | AL | PHYSICIAN ASSISTANT | 105 | 68,100 | $47,220 | $1 | premium | 5.0% | (251) 435-2663 |
| 97 | EAST RIVER MEDICAL IMAGING PC | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 10 | 67,334 | $141,401 | $2 | premium | 0.9% | (212) 288-7615 |
| 98 | COLORADO IMAGING ASSOCIATES PC | LAKEWOOD | FL | DIAGNOSTIC RADIOLOGY | 62 | 67,175 | $68,515 | $1 | premium | 0.6% | (303) 433-9729 |
| 99 | CARDIOVASCULAR ASSOCIATION, P.L.L.C. | HUMBLE | TX | INTERVENTIONAL CARDIOLOGY | 52 | 66,894 | $100,341 | $2 | premium | 0.8% | (281) 446-6656 |
| 100 | CHICAGO CARDIOLOGY INSTITUTE SC | SCHAUMBURG | IL | NURSE PRACTITIONER | 22 | 65,739 | $131,478 | $2 | premium | 2.2% | (847) 605-9500 |
Showing the top 100 of 1,165 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 →