J3489 — Injection, zoledronic acid, 1 mg
408,220 observed fee-for-service (50%) · ~414,224 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 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 | J3489 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | TEXAS ONCOLOGY PA | DALLAS | TX | PHYSICIAN ASSISTANT | 995 | 35,833 | $15,403,219 | $430 | premium | 59.7% | — |
| 2 | FLORIDA CANCER SPECIALISTS AND RESEARCH INSTITUTE, LLC | FORT MYERS | FL | HEMATOLOGY/ONCOLOGY | 437 | 20,909 | $1,440,210 | $69 | premium | 42.1% | (239) 561-9622 |
| 3 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 7,444 | $1,575,662 | $212 | premium | 15.0% | (415) 600-1020 |
| 4 | ROCKY MOUNTAIN CANCER CENTERS LLP | COLORADO SPRINGS | CO | NURSE PRACTITIONER | 129 | 7,216 | $3,333,792 | $462 | premium | 49.2% | (719) 577-2555 |
| 5 | INNOVATIVE INFUSIONS LLC | AUSTIN | TX | NURSE PRACTITIONER | 106 | 6,520 | $1,642,680 | $252 | premium | 10.9% | (512) 261-4800 |
| 6 | TENNESSEE ONCOLOGY PLLC | NASHVILLE | TN | HEMATOLOGY/ONCOLOGY | 360 | 6,175 | $60,916 | $10 | premium | 40.3% | (615) 385-3751 |
| 7 | VIRGINIA ONCOLOGY ASSOCIATES | NORFOLK | VA | PHYSICIAN ASSISTANT | 123 | 6,143 | $2,838,066 | $462 | premium | 25.6% | — |
| 8 | SCRIPPS HEALTH | LA JOLLA | CA | PHYSICIAN ASSISTANT | 1431 | 5,935 | $230,525 | $39 | premium | 12.0% | (858) 455-9100 |
| 9 | MARYLAND ONCOLOGY HEMATOLOGY PA | LAUREL | MD | HEMATOLOGY/ONCOLOGY | 99 | 5,409 | $2,413,317 | $446 | premium | 22.2% | (301) 982-9800 |
| 10 | ALLISON CURTIS KINGSLEY MEOZ MICHAEL AND SANCHEZ PC | LAS VEGAS | NV | NURSE PRACTITIONER | 71 | 4,990 | $2,305,380 | $462 | premium | 66.3% | (702) 952-2140 |
| 11 | ILLINOIS CANCER SPECIALISTS | ARLINGTON HEIGHTS | IL | HEMATOLOGY/ONCOLOGY | 29 | 4,669 | $2,012,339 | $431 | premium | 18.2% | (847) 259-4482 |
| 12 | VIRGINIA CANCER SPECIALISTS, P.C. | FAIRFAX | VA | HEMATOLOGY/ONCOLOGY | 76 | 4,572 | $2,112,264 | $462 | premium | 19.1% | (703) 280-5390 |
| 13 | THE REGENTS OF THE UNIVERSITY OF CALIFORNIA | LOS ANGELES | CA | INTERNAL MEDICINE | 1424 | 3,706 | $1,888,171 | $509 | premium | 7.5% | (310) 825-7922 |
| 14 | BRYN MAWR MEDICAL SPECIALISTS ASSOCIATION | BRYN MAWR | PA | NURSE PRACTITIONER | 134 | 3,561 | $402,393 | $113 | premium | 17.9% | (610) 527-3800 |
| 15 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 3,524 | $684,389 | $194 | premium | 13.7% | — |
| 16 | ONCOLOGY SPECIALTIES, P.C. | HUNTSVILLE | AL | NURSE PRACTITIONER | 93 | 3,504 | $332,657 | $95 | premium | 37.3% | (256) 705-4224 |
| 17 | IRONWOOD PHYSICIANS PC | MESA | AZ | HEMATOLOGY/ONCOLOGY | 114 | 3,202 | $64,040 | $20 | premium | 21.5% | (480) 981-1326 |
| 18 | ONCOLOGY AND HEMATOLOGY ASSOCIATES OF SOUTHWEST VIRGINIA INC | ROANOKE | VA | NURSE PRACTITIONER | 52 | 3,172 | $1,465,464 | $462 | premium | 13.2% | (540) 982-0237 |
| 19 | MAIN LINE HEALTHCARE | BRYN MAWR | PA | NURSE PRACTITIONER | 1157 | 2,845 | $69,077 | $24 | premium | 14.3% | — |
| 20 | ATRIUS HEALTH INC | BOSTON | MA | NURSE PRACTITIONER | 1196 | 2,780 | $247,420 | $89 | premium | 25.3% | (617) 421-1000 |
| 21 | ONCOLOGY HEMATOLOGY CONSULTANTS, PA | FORT WORTH | TX | HEMATOLOGY/ONCOLOGY | 69 | 2,428 | $395,660 | $163 | premium | 4.0% | (817) 759-7000 |
| 22 | OPTUM MEDICAL CARE PC | MOUNT KISCO | NY | INTERNAL MEDICINE | 1040 | 2,320 | $54,209 | $23 | premium | 13.0% | (914) 241-1050 |
| 23 | HIGHLANDS ONCOLOGY GROUP PA | FAYETTEVILLE | AR | NURSE PRACTITIONER | 79 | 2,313 | $578,250 | $250 | premium | 31.8% | (479) 361-2585 |
| 24 | SUMMIT MEDICAL GROUP PA | BERKELEY HEIGHTS | NJ | PHYSICIAN ASSISTANT | 1183 | 2,194 | $142,610 | $65 | premium | 15.7% | (908) 273-4300 |
| 25 | ONCOLOGY HEMATOLOGY WEST PC | OMAHA | NE | PHYSICIAN ASSISTANT | 55 | 2,187 | $179,362 | $82 | premium | 69.0% | (402) 393-3110 |
| 26 | MINNESOTA ONCOLOGY HEMATOLOGY PA | EDINA | MN | PHYSICIAN ASSISTANT | 135 | 2,152 | $994,224 | $462 | premium | 27.0% | (952) 928-2900 |
| 27 | TRABECULAR MEDICAL GROUP, LLC | VOORHEES | NJ | RHEUMATOLOGY | 19 | 2,016 | $44,370 | $22 | premium | 14.5% | (856) 424-5005 |
| 28 | CITY OF HOPE MEDICAL FOUNDATION | DUARTE | CA | NURSE PRACTITIONER | 942 | 2,014 | $45,192 | $22 | premium | 4.1% | (626) 256-4673 |
| 29 | CANCER AND HEMATOLOGY CENTERS OF WESTERN MI, P.C. | GRAND RAPIDS | MI | HEMATOLOGY/ONCOLOGY | 112 | 2,009 | $324,580 | $162 | premium | 25.5% | (616) 954-9800 |
| 30 | PALMETTO INFUSION SERVICES LLC | CHARLOTTE | SC | NURSE PRACTITIONER | 59 | 1,985 | $331,968 | $167 | premium | 23.7% | (704) 200-9482 |
| 31 | DUPAGE MEDICAL GROUP LTD | GLEN ELLYN | IL | PHYSICIAN ASSISTANT | 1323 | 1,970 | $819,520 | $416 | premium | 7.7% | (630) 469-9200 |
| 32 | CANCER SPECIALISTS LLC | JACKSONVILLE | FL | HEMATOLOGY/ONCOLOGY | 46 | 1,968 | $130,741 | $66 | premium | 4.0% | (904) 516-3737 |
| 33 | IOWA ARTHRITIS AND OSTEOPOROSIS CENTER PC | URBANDALE | IA | RHEUMATOLOGY | 15 | 1,955 | $58,650 | $30 | premium | 20.9% | (515) 270-7222 |
| 34 | ONCOLOGY-HEMATOLOGY ASSOCIATES OF CENTRAL ILLINOIS P C | PEORIA | IL | NURSE PRACTITIONER | 62 | 1,942 | $98,378 | $51 | premium | 7.6% | (309) 243-3000 |
| 35 | OHI WEST MEDICAL GROUP II LLC | ZEPHYRHILLS | FL | NURSE PRACTITIONER | 417 | 1,936 | $143,336 | $74 | premium | 3.9% | (813) 751-3375 |
| 36 | EAST SIDE ONCOLOGY ASSOCIATES PLLC DBA AMERICAN INFUSION CENTER | NEW YORK | NY | NURSE PRACTITIONER | 9 | 1,933 | $869,850 | $450 | premium | 10.8% | (212) 879-3496 |
| 37 | AMERICAN ONCOLOGY PARTNERS PA | FORT WAYNE | NC | HEMATOLOGY/ONCOLOGY | 333 | 1,841 | $231,966 | $126 | premium | 8.6% | (260) 484-8830 |
| 38 | MICHIGAN HEALTHCARE PROFESSIONALS PC | FARMINGTON HILLS | MI | INTERNAL MEDICINE | 518 | 1,820 | $41,422 | $23 | premium | 23.1% | (248) 477-0552 |
| 39 | CENTRAL ARKANSAS RADIATION THERAPY INSTITUTE INC | LITTLE ROCK | AR | HEMATOLOGY/ONCOLOGY | 90 | 1,813 | $504,014 | $278 | premium | 24.9% | — |
| 40 | ILLINOIS BONE AND JOINT INSTITUTE, LLC | BANNOCKBURN | IL | ORTHOPEDIC SURGERY | 595 | 1,789 | $33,005 | $18 | premium | 7.0% | — |
| 41 | PHYSICIANS CLINIC OF IOWA PC | CEDAR RAPIDS | IA | NURSE PRACTITIONER | 132 | 1,786 | $53,580 | $30 | premium | 19.1% | (319) 247-3010 |
| 42 | REGIONAL CANCER CARE ASSOCIATES LLC | HACKENSACK | NJ | HEMATOLOGY/ONCOLOGY | 153 | 1,782 | $823,284 | $462 | premium | 12.8% | (201) 996-2210 |
| 43 | BEND MEMORIAL CLINIC PC | BEND | OR | PHYSICIAN ASSISTANT | 233 | 1,771 | $30,867 | $17 | premium | 18.6% | (541) 382-2811 |
| 44 | SOUTHEASTERN MEDICAL ONCOLOGY CENTER | GOLDSBORO | NC | HEMATOLOGY/ONCOLOGY | 11 | 1,759 | $168,238 | $96 | premium | 8.2% | (919) 580-0000 |
| 45 | NORTHWEST ONCOLOGY AND HEMATOLOGY SC | ROLLING MEADOWS | IL | HEMATOLOGY/ONCOLOGY | 22 | 1,680 | $117,600 | $70 | premium | 6.6% | (847) 870-4100 |
| 46 | DEAN HEALTH SYSTEMS INC | MADISON | WI | PHYSICIAN ASSISTANT | 1200 | 1,672 | $176,668 | $106 | premium | 32.8% | (608) 260-2900 |
| 47 | PARK NICOLLET CLINIC | ST LOUIS PARK | MN | PHYSICIAN ASSISTANT | 1754 | 1,667 | $38,341 | $23 | premium | 20.9% | (952) 993-3123 |
| 48 | OPTUMCARE COLORADO MEDICAL GROUP LLC | COLORADO SPRINGS | CO | PHYSICIAN ASSISTANT | 193 | 1,615 | $35,530 | $22 | premium | 11.0% | (719) 635-5148 |
| 49 | NORTHWEST CANCER SPECIALISTS PC | PORTLAND | OR | PHYSICIAN ASSISTANT | 68 | 1,573 | $726,726 | $462 | premium | 16.5% | (503) 280-1223 |
| 50 | NEW YORK ONCOLOGY HEMATOLOGY PC | ALBANY | NY | NURSE PRACTITIONER | 83 | 1,518 | $654,258 | $431 | premium | 8.5% | (518) 262-6696 |
| 51 | CANCER CARE NORTHWEST CENTERS P S | SPOKANE | WA | RADIATION ONCOLOGY | 41 | 1,486 | $200,982 | $135 | premium | 14.9% | (509) 228-1000 |
| 52 | MAYO CLINIC ARIZONA | PHOENIX | AZ | PHYSICIAN ASSISTANT | 1635 | 1,468 | $122,553 | $83 | premium | 9.8% | (800) 603-0558 |
| 53 | GREATER BALTIMORE MEDICAL CENTER INC | BALTIMORE | MD | HOSPITALIST | 348 | 1,450 | $19,874 | $14 | premium | 5.9% | — |
| 54 | CANCER CENTER OF KANSAS PA | WICHITA | KS | HEMATOLOGY/ONCOLOGY | 27 | 1,431 | $661,122 | $462 | premium | 46.9% | (316) 262-4467 |
| 55 | ARTHRITIS AND RHEUMATISM ASSOCIATES PC | ROCKVILLE | MD | RHEUMATOLOGY | 56 | 1,430 | $38,610 | $27 | premium | 5.9% | (301) 942-7600 |
| 56 | TMC MEDICAL NETWORK | TUCSON | AZ | NURSE PRACTITIONER | 273 | 1,429 | $660,198 | $462 | premium | 9.6% | (520) 324-4230 |
| 57 | AFFILIATED ONCOLOGISTS LLC | OAK LAWN | IL | PHYSICIAN ASSISTANT | 40 | 1,425 | $658,350 | $462 | premium | 5.6% | (708) 684-5475 |
| 58 | CAROLINAS PHYSICIANS NETWORK INC | CHARLOTTE | NC | PHYSICIAN ASSISTANT | 2360 | 1,380 | $274,620 | $199 | premium | 6.5% | (704) 667-1000 |
| 59 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | NY | PHYSICIAN ASSISTANT | 6294 | 1,375 | $114,125 | $83 | premium | 7.7% | — |
| 60 | NORTHWEST MEDICAL SPECIALTIES PLLC | TACOMA | WA | HEMATOLOGY/ONCOLOGY | 39 | 1,365 | $19,054 | $14 | premium | 13.7% | (253) 428-8700 |
| 61 | CANCER CARE SPECIALISTS OF CENTRAL ILLINOIS SC | DECATUR | IL | HEMATOLOGY/ONCOLOGY | 30 | 1,358 | $230,149 | $169 | premium | 5.3% | (217) 876-4700 |
| 62 | AMERICAN ARTHRITIS AND RHEUMATOLOGY ASSOCIATES LLC | NAPLES | FL | RHEUMATOLOGY | 75 | 1,345 | $77,810 | $58 | premium | 2.7% | (239) 596-5220 |
| 63 | RHEUMATIC DISEASE ASSOCIATES,LTD | WILLOW GROVE | PA | RHEUMATOLOGY | 16 | 1,337 | $90,865 | $68 | premium | 6.7% | 2156576776438 |
| 64 | TORRANCE HEALTH ASSOCIATION INC | TORRANCE | CA | FAMILY PRACTICE | 298 | 1,316 | $138,999 | $106 | premium | 2.7% | (310) 257-7260 |
| 65 | ONCOLOGY HEMATOLOGY CARE INC | CINCINNATI | OH | NURSE PRACTITIONER | 66 | 1,295 | $598,290 | $462 | premium | 12.3% | (513) 751-2273 |
| 66 | CRYSTAL RUN HEALTHCARE PHYSICIANS LLP | MIDDLETOWN | NY | NURSE PRACTITIONER | 372 | 1,243 | $161,590 | $130 | premium | 6.9% | (845) 703-6999 |
| 67 | SANSUM CLINIC | SANTA BARBARA | CA | INTERNAL MEDICINE | 322 | 1,234 | $34,552 | $28 | premium | 2.5% | (805) 681-7500 |
| 68 | STRAND PHYSICIAN SPECIALISTS PA | MYRTLE BEACH | SC | PHYSICIAN ASSISTANT | 55 | 1,225 | $624,750 | $510 | premium | 14.6% | (843) 497-5929 |
| 69 | MCFARLAND CLINIC PC | AMES | IA | PHYSICIAN ASSISTANT | 352 | 1,208 | $27,784 | $23 | premium | 12.9% | (515) 239-4400 |
| 70 | UNIVERSITY MEDICAL ASSOCIATES OF THE MEDICAL UNIVERSITY OF SOUTH CAROL | CHARLESTON | SC | PHYSICIAN ASSISTANT | 1692 | 1,195 | $748,249 | $626 | premium | 14.3% | (843) 792-1414 |
| 71 | AMERICAN ONCOLOGY PARTNERS PA | FORT WAYNE | GA | HEMATOLOGY/ONCOLOGY | 333 | 1,181 | $109,430 | $93 | premium | 14.5% | (260) 484-8830 |
| 72 | CEDARS-SINAI MEDICAL CARE FOUNDATION | LOS ANGELES | CA | PHYSICIAN ASSISTANT | 1699 | 1,176 | $212,580 | $181 | premium | 2.4% | (310) 423-0674 |
| 73 | RHEUMATOLOGY ASSOCIATES OF NORTH ALABAMA, PC | HUNTSVILLE | AL | RHEUMATOLOGY | 10 | 1,165 | $72,230 | $62 | premium | 12.4% | (256) 551-6510 |
| 74 | MAYO CLINIC JACKSONVILLE | JACKSONVILLE | FL | NURSE PRACTITIONER | 1587 | 1,163 | $58,423 | $50 | premium | 2.3% | (904) 953-2000 |
| 75 | JOHN MUIR PHYSICIAN NETWORK | WALNUT CREEK | CA | FAMILY PRACTICE | 489 | 1,162 | $620,131 | $534 | premium | 2.3% | (925) 296-9720 |
| 76 | CENTER FOR ARTHRITIS AND RHEUMATIC DISEASES | CHESAPEAKE | VA | RHEUMATOLOGY | 6 | 1,150 | $356,500 | $310 | premium | 4.8% | 75746134003128 |
| 77 | COLUMBUS ONCOLOGY ASSOCIATES INC | COLUMBUS | OH | HEMATOLOGY/ONCOLOGY | 24 | 1,144 | $89,232 | $78 | premium | 10.8% | (614) 442-3130 |
| 78 | DUKE HEALTH INTEGRATED PRACTICE INC | DURHAM | NC | PHYSICIAN ASSISTANT | 3051 | 1,131 | $210,366 | $186 | premium | 5.3% | (919) 684-8111 |
| 79 | SOUTHERN CANCER CENTER PC | MOBILE | AL | MEDICAL ONCOLOGY | 25 | 1,131 | $522,522 | $462 | premium | 12.0% | (251) 625-6896 |
| 80 | SPRINGFIELD CLINIC, LLP | SPRINGFIELD | IL | NURSE PRACTITIONER | 686 | 1,130 | $328,830 | $291 | premium | 4.4% | (217) 544-6464 |
| 81 | WILMINGTON HEALTH PLLC | WILMINGTON | NC | PHYSICIAN ASSISTANT | 393 | 1,129 | $85,995 | $76 | premium | 5.3% | (910) 341-1540 |
| 82 | FAIRBANKS CANCER CARE PHYSICIANS PC | FAIRBANKS | AK | PHYSICIAN ASSISTANT | 5 | 1,125 | $194,935 | $173 | premium | 38.5% | (907) 452-4268 |
| 83 | HERITAGE MEDICAL ASSOCIATES PC | NASHVILLE | TN | INTERNAL MEDICINE | 166 | 1,115 | $22,300 | $20 | premium | 7.3% | (629) 255-2115 |
| 84 | REVERE HEALTH PC | PROVO | UT | PHYSICIAN ASSISTANT | 410 | 1,090 | $97,738 | $90 | premium | 31.8% | — |
| 85 | SAGE INFUSION, LLC | TAMPA | FL | NURSE PRACTITIONER | 43 | 1,090 | $7,742 | $7 | premium | 2.2% | (813) 775-9997 |
| 86 | EPIC CARE | PLEASANT HILL | CA | HEMATOLOGY/ONCOLOGY | 54 | 1,068 | $210,468 | $197 | premium | 2.2% | (925) 687-2570 |
| 87 | HEALTH FIRST MEDICAL GROUP, LLC | MELBOURNE | FL | NURSE PRACTITIONER | 669 | 1,033 | $23,759 | $23 | premium | 2.1% | (321) 434-8878 |
| 88 | TENNESSEE CANCER SPECIALISTS PLLC | KNOXVILLE | TN | NURSE PRACTITIONER | 65 | 1,031 | $258,270 | $251 | premium | 6.7% | (865) 934-5800 |
| 89 | AUSTIN REGIONAL CLINIC PA | AUSTIN | TX | FAMILY PRACTICE | 389 | 1,025 | $74,825 | $73 | premium | 1.7% | (512) 346-6611 |
| 90 | NORTHWEST RHEUMATOLOGY SPECIALISTS SC | ELK GROVE VILLAGE | IL | RHEUMATOLOGY | 6 | 1,010 | $282,800 | $280 | premium | 3.9% | (847) 364-0800 |
| 91 | SHENANDOAH ONCOLOGY PC | WINCHESTER | VA | NURSE PRACTITIONER | 22 | 1,008 | $465,696 | $462 | premium | 4.2% | (540) 662-1108 |
| 92 | MAINE CENTER FOR CANCER MEDICINE AND BLOOD DISORDERS PA | WESTBROOK | ME | HEMATOLOGY/ONCOLOGY | 69 | 1,007 | $40,280 | $40 | premium | 54.6% | (207) 303-3300 |
| 93 | ONCOLOGY ASSOCIATES OF OREGON P C | EUGENE | OR | PHYSICIAN ASSISTANT | 47 | 1,003 | $463,386 | $462 | premium | 10.5% | (541) 683-5001 |
| 94 | VIRGINIA CANCER INSTITUTE INCORPORATED | NORTH CHESTERFIELD | VA | HEMATOLOGY/ONCOLOGY | 50 | 977 | $34,542 | $35 | premium | 4.1% | (804) 330-7990 |
| 95 | ALLINA HEALTH SYSTEM | MINNEAPOLIS | MN | PHYSICIAN ASSISTANT | 3855 | 970 | $114,072 | $118 | premium | 12.2% | (612) 863-4000 |
| 96 | LEHIGH VALLEY PHYSICIAN GROUP | ALLENTOWN | PA | PHYSICIAN ASSISTANT | 2389 | 970 | $388,000 | $400 | premium | 4.9% | — |
| 97 | WASHINGTON UNIVERSITY | SAINT LOUIS | MO | NURSE PRACTITIONER | 3070 | 960 | $105,600 | $110 | premium | 39.0% | (314) 747-3000 |
| 98 | OKLAHOMA CANCER SPECIALISTS AND RESEARCH INSTITUTE, LLC | TULSA | OK | NURSE PRACTITIONER | 47 | 957 | $120,582 | $126 | premium | 40.3% | (918) 505-3200 |
| 99 | POUDRE VALLEY MEDICAL GROUP LLC | COLORADO SPRINGS | CO | PHYSICIAN ASSISTANT | 2390 | 955 | $26,740 | $28 | premium | 6.5% | — |
| 100 | OPTUM CARE WASHINGTON PLLC | EVERETT | WA | PHYSICIAN ASSISTANT | 695 | 951 | $34,949 | $37 | premium | 9.5% | (425) 339-5442 |
Showing the top 100 of 628 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 →