344,333 observed fee-for-service (48%) · ~368,554 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 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 | 96366 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 | FLORIDA CANCER SPECIALISTS AND RESEARCH INSTITUTE, LLC | FORT MYERS | FL | HEMATOLOGY/ONCOLOGY | 437 | 24,321 | $1,364,937 | $56 | premium | 38.9% | (239) 561-9622 |
| 2 | TEXAS ONCOLOGY PA | DALLAS | TX | PHYSICIAN ASSISTANT | 995 | 14,861 | $1,486,160 | $100 | premium | 21.7% | — |
| 3 | NORTH SHORE HEMATOLOGY ONCOLOGY ASSOCIATES PC | SMITHTOWN | NY | NURSE PRACTITIONER | 462 | 7,173 | $616,818 | $86 | premium | 20.7% | (631) 751-3000 |
| 4 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 6,954 | $1,196,675 | $172 | premium | 20.1% | (212) 263-9700 |
| 5 | INNOVATIVE INFUSIONS LLC | AUSTIN | TX | NURSE PRACTITIONER | 106 | 6,321 | $790,125 | $125 | premium | 9.2% | (512) 261-4800 |
| 6 | PALMETTO INFUSION SERVICES LLC | CHARLOTTE | SC | NURSE PRACTITIONER | 59 | 5,947 | $356,670 | $60 | premium | 40.5% | (704) 200-9482 |
| 7 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 3,841 | $495,489 | $129 | premium | 19.6% | — |
| 8 | THE REGENTS OF THE UNIVERSITY OF CALIFORNIA | LOS ANGELES | CA | INTERNAL MEDICINE | 1424 | 3,834 | $575,100 | $150 | premium | 6.4% | (310) 825-7922 |
| 9 | HIGHLANDS ONCOLOGY GROUP PA | FAYETTEVILLE | AR | NURSE PRACTITIONER | 79 | 3,330 | $266,400 | $80 | premium | 42.6% | (479) 361-2585 |
| 10 | ALLERGY IMMUNOLOGY ASSOCIATES INC | MAYFIELD HEIGHTS | OH | ALLERGY/IMMUNOLOGY | 7 | 2,944 | $103,040 | $35 | premium | 25.7% | (216) 381-3333 |
| 11 | ONCOLOGY SPECIALTIES, P.C. | HUNTSVILLE | AL | NURSE PRACTITIONER | 93 | 2,876 | $286,496 | $100 | premium | 22.3% | (256) 705-4224 |
| 12 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 2,701 | $297,110 | $110 | premium | 4.5% | (415) 600-1020 |
| 13 | SOUTHERN HEMATOLOGY ONCOLOGY PC | BIRMINGHAM | AL | HEMATOLOGY/ONCOLOGY | 2 | 2,649 | $158,940 | $60 | premium | 20.5% | (205) 877-2888 |
| 14 | ALLISON CURTIS KINGSLEY MEOZ MICHAEL AND SANCHEZ PC | LAS VEGAS | NV | NURSE PRACTITIONER | 71 | 2,627 | $254,819 | $97 | premium | 24.2% | (702) 952-2140 |
| 15 | CENTRAL ARKANSAS RADIATION THERAPY INSTITUTE INC | LITTLE ROCK | AR | HEMATOLOGY/ONCOLOGY | 90 | 2,472 | $197,760 | $80 | premium | 31.7% | — |
| 16 | REGIONAL CANCER CARE ASSOCIATES LLC | HACKENSACK | NJ | HEMATOLOGY/ONCOLOGY | 153 | 2,334 | $226,398 | $97 | premium | 15.0% | (201) 996-2210 |
| 17 | RMX BLACKSHEAR LLC | BLACKSHEAR | GA | INTERNAL MEDICINE | 2 | 2,317 | $810,950 | $350 | premium | 12.1% | (912) 208-3582 |
| 18 | VIRGINIA CANCER INSTITUTE INCORPORATED | NORTH CHESTERFIELD | VA | HEMATOLOGY/ONCOLOGY | 50 | 2,263 | $95,088 | $42 | premium | 20.2% | (804) 330-7990 |
| 19 | ROCKY MOUNTAIN CANCER CENTERS LLP | COLORADO SPRINGS | CO | NURSE PRACTITIONER | 129 | 2,247 | $217,959 | $97 | premium | 20.6% | (719) 577-2555 |
| 20 | TENNESSEE ONCOLOGY PLLC | NASHVILLE | TN | HEMATOLOGY/ONCOLOGY | 360 | 2,242 | $139,157 | $62 | premium | 14.9% | (615) 385-3751 |
| 21 | INFUCARE MEDICAL GROUP OF CALIFORNIA INC | PALM DESERT | CA | INFECTIOUS DISEASE | 3 | 2,242 | $124,154 | $55 | premium | 3.8% | (844) 243-7833 |
| 22 | INFUSEABLE HEALTHCARE, LLC | SCOTTSDALE | WI | GASTROENTEROLOGY | 2 | 2,228 | $87,919 | $39 | premium | 76.4% | (480) 927-3800 |
| 23 | BIRMINGHAM HEMATOLOGY ONCOLOGY ASSOC LLC | BIRMINGHAM | AL | MEDICAL ONCOLOGY | 31 | 2,169 | $180,027 | $83 | premium | 16.8% | (205) 592-5077 |
| 24 | ONCOLOGY-HEMATOLOGY ASSOCIATES OF CENTRAL ILLINOIS P C | PEORIA | IL | NURSE PRACTITIONER | 62 | 2,134 | $228,414 | $107 | premium | 10.9% | (309) 243-3000 |
| 25 | VEROS CLINICAL SERVICES LLC | CENTENNIAL | CO | PHYSICIAN ASSISTANT | 14 | 2,128 | $123,424 | $58 | premium | 19.5% | (303) 773-9000 |
| 26 | BORIS D RATINER, MD, INC | TARZANA | CA | RHEUMATOLOGY | 6 | 2,104 | $105,200 | $50 | premium | 3.5% | (818) 996-4077 |
| 27 | CALIFORNIA CANCER ASSOCIATES FOR RESEARCH AND EXCELLENCE INC | FRESNO | CA | HEMATOLOGY/ONCOLOGY | 62 | 2,075 | $126,575 | $61 | premium | 3.5% | (559) 326-1222 |
| 28 | CITY OF HOPE MEDICAL FOUNDATION | DUARTE | CA | NURSE PRACTITIONER | 942 | 2,075 | $182,289 | $88 | premium | 3.5% | (626) 256-4673 |
| 29 | MARK BARATS MD A PROFESSIONAL CORPORATION | WEST HOLLYWOOD | CA | NEPHROLOGY | 2 | 2,063 | $61,890 | $30 | premium | 3.5% | (323) 654-2020 |
| 30 | MARYLAND ONCOLOGY HEMATOLOGY PA | LAUREL | MD | HEMATOLOGY/ONCOLOGY | 99 | 2,056 | $199,432 | $97 | premium | 21.5% | (301) 982-9800 |
| 31 | VIRGINIA ONCOLOGY ASSOCIATES | NORFOLK | VA | PHYSICIAN ASSISTANT | 123 | 1,979 | $191,941 | $97 | premium | 17.6% | — |
| 32 | WASHINGTON UNIVERSITY | SAINT LOUIS | MO | NURSE PRACTITIONER | 3070 | 1,978 | $247,250 | $125 | premium | 36.0% | (314) 747-3000 |
| 33 | KLEYNBERG MEDICAL CLINIC INC | LOS ANGELES | CA | HEMATOLOGY/ONCOLOGY | 2 | 1,964 | $74,632 | $38 | premium | 3.3% | (323) 965-9995 |
| 34 | MOUNTAIN VIEW HEADACHE AND SPINE INSTITUTE PLLC | PHOENIX | AZ | NURSE PRACTITIONER | 8 | 1,906 | $95,300 | $50 | premium | 10.5% | (602) 767-0007 |
| 35 | TRICOUNTY PHYSICIANS LLC | THE VILLAGES | FL | NURSE PRACTITIONER | 4 | 1,882 | $62,106 | $33 | premium | 3.0% | (352) 561-6299 |
| 36 | ROBERT A ZAJAC MD PA | SAN ANTONIO | TX | NURSE PRACTITIONER | 6 | 1,868 | $124,097 | $66 | premium | 2.7% | (210) 481-2800 |
| 37 | TENNESSEE CANCER SPECIALISTS PLLC | KNOXVILLE | TN | NURSE PRACTITIONER | 65 | 1,866 | $123,483 | $66 | premium | 12.4% | (865) 934-5800 |
| 38 | GULF COAST INFECTIOUS DISEASES INC | PENSACOLA | FL | INFECTIOUS DISEASE | 4 | 1,780 | $178,000 | $100 | premium | 2.8% | (850) 549-4755 |
| 39 | METRO INFECTIOUS DISEASE CONSULTANTS LLC | BURR RIDGE | IL | INFECTIOUS DISEASE | 396 | 1,776 | $266,400 | $150 | premium | 9.1% | (888) 220-6432 |
| 40 | PURE HEALTHCARE OF COLORADO LLC | DENVER | CO | ANESTHESIOLOGY | 2 | 1,757 | $105,420 | $60 | premium | 16.1% | (970) 822-7700 |
| 41 | CANCER CENTER OF KANSAS PA | WICHITA | KS | HEMATOLOGY/ONCOLOGY | 27 | 1,709 | $165,773 | $97 | premium | 35.9% | (316) 262-4467 |
| 42 | METHODIST MEDICAL CENTER OF ILLINOIS | PEORIA | IL | NURSE PRACTITIONER | 407 | 1,686 | $31,950 | $19 | premium | 8.6% | (309) 691-9110 |
| 43 | INFUSION EXPRESS OF TENNESSEE PC | BRENTWOOD | TN | NURSE PRACTITIONER | 42 | 1,636 | $105,331 | $64 | premium | 10.8% | (615) 510-6002 |
| 44 | MAYO CLINIC ARIZONA | PHOENIX | AZ | PHYSICIAN ASSISTANT | 1635 | 1,605 | $196,348 | $122 | premium | 8.9% | (800) 603-0558 |
| 45 | SOUTHWEST CANCER CARE LLC | SIERRA VISTA | AZ | NURSE PRACTITIONER | 6 | 1,596 | $94,164 | $59 | premium | 8.8% | (520) 220-5020 |
| 46 | ONCOLOGY HEMATOLOGY WEST PC | OMAHA | NE | PHYSICIAN ASSISTANT | 55 | 1,575 | $68,992 | $44 | premium | 37.0% | (402) 393-3110 |
| 47 | THE WEST CLINIC P.C. | GERMANTOWN | TN | NURSE PRACTITIONER | 113 | 1,565 | $100,916 | $64 | premium | 10.4% | (901) 683-0055 |
| 48 | LOS ANGELES HEMATOLOGY-ONCOLOGY MEDICAL GROUP | LOS ANGELES | CA | HEMATOLOGY/ONCOLOGY | 51 | 1,520 | $98,123 | $65 | premium | 2.5% | (213) 977-1214 |
| 49 | MAYO CLINIC JACKSONVILLE | JACKSONVILLE | FL | NURSE PRACTITIONER | 1587 | 1,502 | $231,308 | $154 | premium | 2.4% | (904) 953-2000 |
| 50 | KANSAS CITY PHYSICIAN PARTNERS INC | KANSAS CITY | MO | RHEUMATOLOGY | 16 | 1,464 | $261,080 | $178 | premium | 26.7% | (913) 258-2116 |
| 51 | TRI-STATE NEUROLOGY PLLC | MEMPHIS | TN | NEUROLOGY | 4 | 1,462 | $160,820 | $110 | premium | 9.7% | (901) 820-0141 |
| 52 | HEALTH FIRST MEDICAL GROUP, LLC | MELBOURNE | FL | NURSE PRACTITIONER | 669 | 1,459 | $58,360 | $40 | premium | 2.3% | (321) 434-8878 |
| 53 | NORTHSTAR ANESTHESIA III PA | FORT WORTH | TX | CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) | 396 | 1,432 | $41,313 | $29 | premium | 2.1% | (817) 926-2544 |
| 54 | INFECTIOUS DISEASE SERVICE OF GEORGIA | ROSWELL | GA | INFECTIOUS DISEASE | 10 | 1,406 | $69,040 | $49 | premium | 7.3% | (770) 255-1069 |
| 55 | ALLERGY, ASTHMA AND IMMUNOLOGY ASSOCIATES LTD | SCOTTSDALE | AZ | ALLERGY/IMMUNOLOGY | 7 | 1,394 | $92,645 | $66 | premium | 7.7% | (480) 949-7377 |
| 56 | PALMETTO INFUSION SERVICES LLC | CHARLOTTE | NC | NURSE PRACTITIONER | 59 | 1,369 | $82,140 | $60 | premium | 12.5% | (704) 200-9482 |
| 57 | KEVIN P ROSENBACH, MD PA | NAPLES | FL | ALLERGY/IMMUNOLOGY | 2 | 1,331 | $146,410 | $110 | premium | 2.1% | (239) 596-5560 |
| 58 | NOVACARE OUTPATIENT REHABILITATION EAST, INC. | COLLEGEVILLE | PA | ORTHOPEDIC SURGERY | 483 | 1,324 | $61,676 | $47 | premium | 12.4% | (610) 489-7703 |
| 59 | MICHEL S. BADIN, MD PA | JERSEY CITY | NJ | HEMATOLOGY/ONCOLOGY | 3 | 1,314 | $125,560 | $96 | premium | 8.4% | (201) 433-4848 |
| 60 | JACKSON ONCOLOGY ASSOCIATES | JACKSON | MS | HEMATOLOGY/ONCOLOGY | 11 | 1,296 | $97,200 | $75 | premium | 38.0% | (601) 974-5600 |
| 61 | MAYO CLINIC | ROCHESTER | MN | NURSE PRACTITIONER | 4896 | 1,293 | $174,555 | $135 | premium | 25.8% | (507) 284-2511 |
| 62 | UC REGENTS | ORANGE | CA | INTERNAL MEDICINE | 296 | 1,289 | $114,568 | $89 | premium | 2.2% | (714) 456-7002 |
| 63 | INSTITUTE FOR ASTHMA AND ALLERGY PC | WHEATON | MD | ALLERGY/IMMUNOLOGY | 11 | 1,284 | $192,600 | $150 | premium | 13.4% | (301) 962-5800 |
| 64 | AMERICAN ONCOLOGY PARTNERS PA | FORT WAYNE | GA | HEMATOLOGY/ONCOLOGY | 333 | 1,277 | $67,461 | $53 | premium | 6.7% | (260) 484-8830 |
| 65 | ALLIANCE CANCER SPECIALISTS P.C. | LANGHORNE | PA | HEMATOLOGY/ONCOLOGY | 44 | 1,249 | $121,153 | $97 | premium | 11.7% | (215) 750-5050 |
| 66 | INFUSION ASSOCIATES PLLC | GRAND RAPIDS | MI | NURSE PRACTITIONER | 18 | 1,248 | $83,061 | $67 | premium | 18.5% | (616) 954-0600 |
| 67 | MICHIGAN HEALTHCARE PROFESSIONALS PC | FARMINGTON HILLS | MI | INTERNAL MEDICINE | 518 | 1,245 | $74,218 | $60 | premium | 18.4% | (248) 477-0552 |
| 68 | MHS PHYSICIANS OF TEXAS | HUMBLE | TX | NEUROLOGY | 114 | 1,235 | $93,772 | $76 | premium | 1.8% | (281) 319-8530 |
| 69 | VM MEDICAL GROUP | WESTMINSTER | CA | INTERNAL MEDICINE | 3 | 1,184 | $47,360 | $40 | premium | 2.0% | (714) 465-2222 |
| 70 | SOUTHERN ONCOLOGY SPECIALISTS PLLC | HUNTERSVILLE | NC | PHYSICIAN ASSISTANT | 13 | 1,177 | $72,454 | $62 | premium | 10.7% | (704) 947-5005 |
| 71 | NEW YORK ONCOLOGY HEMATOLOGY PC | ALBANY | NY | NURSE PRACTITIONER | 83 | 1,176 | $103,488 | $88 | premium | 3.4% | (518) 262-6696 |
| 72 | TITAN HEALTH PARTNERS LLC | EAST BRUNSWICK | NJ | HEMATOLOGY/ONCOLOGY | 92 | 1,166 | $80,663 | $69 | premium | 7.5% | (732) 390-7750 |
| 73 | UNIVERSITY HOSPITALS MEDICAL GROUP INC | CLEVELAND | OH | NURSE PRACTITIONER | 2232 | 1,142 | $85,650 | $75 | premium | 10.0% | — |
| 74 | TALIS HEALTHCARE LLC | NEW CASTLE | TX | NURSE PRACTITIONER | 11 | 1,131 | $69,374 | $61 | premium | 1.7% | — |
| 75 | ONCOLOGY HEMATOLOGY CONSULTANTS, PA | FORT WORTH | TX | HEMATOLOGY/ONCOLOGY | 69 | 1,129 | $67,928 | $60 | premium | 1.6% | (817) 759-7000 |
| 76 | HUNTERDON NEUROLOGY, PA | FLEMINGTON | NJ | NEUROLOGY | 3 | 1,125 | $168,750 | $150 | premium | 7.2% | (908) 894-7222 |
| 77 | INSULINIC OF LAFAYETTE LLC | LAFAYETTE | LA | NURSE PRACTITIONER | 2 | 1,095 | $43,044 | $39 | premium | 14.7% | (337) 254-9999 |
| 78 | TEXAS CENTERS FOR INFECTIOUS DISEASE ASSOCIATES PA | FORT WORTH | TX | INFECTIOUS DISEASE | 17 | 1,086 | $54,305 | $50 | premium | 1.6% | (817) 810-9810 |
| 79 | MICHAEL G VALPIANI MD AZ LTD | KINGMAN | AZ | INTERVENTIONAL PAIN MANAGEMENT | 2 | 1,059 | $50,502 | $48 | premium | 5.9% | (928) 565-7390 |
| 80 | 316 FAMILY MEDICINE | BREMEN | GA | FAMILY PRACTICE | 4 | 1,053 | $104,065 | $99 | premium | 5.5% | (770) 537-1234 |
| 81 | SCRIPPS HEALTH | LA JOLLA | CA | PHYSICIAN ASSISTANT | 1431 | 995 | $71,461 | $72 | premium | 1.7% | (858) 455-9100 |
| 82 | VIRGINIA CANCER SPECIALISTS, P.C. | FAIRFAX | VA | HEMATOLOGY/ONCOLOGY | 76 | 982 | $95,254 | $97 | premium | 8.8% | (703) 280-5390 |
| 83 | NEW YORK ALLERGY ASTHMA AND IMMUNOLOGY PC | GREAT NECK | NY | PHYSICIAN ASSISTANT | 10 | 976 | $279,136 | $286 | premium | 2.8% | (516) 487-6200 |
| 84 | ONCOLOGY AND HEMATOLOGY ASSOCIATES OF SOUTHWEST VIRGINIA INC | ROANOKE | VA | NURSE PRACTITIONER | 52 | 975 | $94,575 | $97 | premium | 8.7% | (540) 982-0237 |
| 85 | ILLINOIS CANCER SPECIALISTS | ARLINGTON HEIGHTS | IL | HEMATOLOGY/ONCOLOGY | 29 | 962 | $93,314 | $97 | premium | 4.9% | (847) 259-4482 |
| 86 | COMPASS MEDICAL CENTER CLIFTON | CLIFTON | CO | CHIROPRACTIC | 2 | 939 | $43,040 | $46 | premium | 8.6% | (970) 424-5223 |
| 87 | OKLAHOMA ARTHRITIS CENTER, P.C. | EDMOND | OK | PHYSICIAN ASSISTANT | 45 | 931 | $44,688 | $48 | premium | 21.3% | — |
| 88 | CANCER SPECIALISTS LLC | JACKSONVILLE | FL | HEMATOLOGY/ONCOLOGY | 46 | 927 | $40,262 | $43 | premium | 1.5% | (904) 516-3737 |
| 89 | HORIZON INFUSIONS, LLC | CRESTVIEW HILLS | OH | NURSE PRACTITIONER | 7 | 912 | $34,247 | $38 | premium | 8.0% | (513) 619-9223 |
| 90 | EAST SIDE ONCOLOGY ASSOCIATES PLLC DBA AMERICAN INFUSION CENTER | NEW YORK | NY | NURSE PRACTITIONER | 9 | 900 | $91,800 | $102 | premium | 2.6% | (212) 879-3496 |
| 91 | INFECTIOUS DISEASE ASSOCIATES PA | BOCA RATON | FL | INFECTIOUS DISEASE | 7 | 899 | $89,900 | $100 | premium | 1.4% | (561) 393-8224 |
| 92 | CAROLINAS PHYSICIANS NETWORK INC | CHARLOTTE | NC | PHYSICIAN ASSISTANT | 2360 | 883 | $65,342 | $74 | premium | 8.0% | (704) 667-1000 |
| 93 | UNIVERSITY MEDICAL ASSOCIATES OF THE MEDICAL UNIVERSITY OF SOUTH CAROL | CHARLESTON | SC | PHYSICIAN ASSISTANT | 1692 | 879 | $87,283 | $99 | premium | 6.0% | (843) 792-1414 |
| 94 | IVX HEALTH OF FLORIDA PA | JACKSONVILLE | FL | NURSE PRACTITIONER | 40 | 872 | $60,430 | $69 | premium | 1.4% | (904) 339-7332 |
| 95 | DESERT HEMATOLOGY-ONCOLOGY MEDICAL GROUP INC | RANCHO MIRAGE | CA | HEMATOLOGY/ONCOLOGY | 10 | 869 | $50,793 | $58 | premium | 1.5% | (760) 568-3613 |
| 96 | MAINE CENTER FOR CANCER MEDICINE AND BLOOD DISORDERS PA | WESTBROOK | ME | HEMATOLOGY/ONCOLOGY | 69 | 867 | $71,074 | $82 | premium | 100.0% | (207) 303-3300 |
| 97 | ADULT MEDICINE SPECIALISTS OF EASLEY PA | EASLEY | SC | PHYSICIAN ASSISTANT | 5 | 851 | $51,060 | $60 | premium | 5.8% | (864) 855-5525 |
| 98 | MOBILE ANESTHESIA ASSOCIATES LLC | WINTER HAVEN | FL | PHYSICIAN ASSISTANT | 45 | 840 | $65,680 | $78 | premium | 1.3% | (863) 291-4000 |
| 99 | RESTOR DIABETES CARE LLC | WOODSTOCK | GA | NURSE PRACTITIONER | 3 | 824 | $288,400 | $350 | premium | 4.3% | (678) 426-8311 |
| 100 | ERIK LUNDQUIST MD INC | TEMECULA | CA | FAMILY PRACTICE | 3 | 824 | $47,792 | $58 | premium | 1.4% | 9513834333826 |
Showing the top 100 of 574 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 →