G0498 — Chemotherapy administration, intravenous infusion technique; initiation of infusion in the office/clinic setting using office/clinic pump/supplies, with continuation of the infusion in the community setting (e.g., home, domiciliary, rest home or assisted l
44,473 observed fee-for-service (49%) · ~45,542 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 | G0498 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | TEXAS ONCOLOGY PA | DALLAS | TX | PHYSICIAN ASSISTANT | 995 | 6,565 | $3,285,902 | $501 | premium | 83.3% | — |
| 2 | FLORIDA CANCER SPECIALISTS AND RESEARCH INSTITUTE, LLC | FORT MYERS | FL | HEMATOLOGY/ONCOLOGY | 437 | 4,756 | $3,034,626 | $638 | premium | 62.8% | (239) 561-9622 |
| 3 | CANCER CENTER OF KANSAS PA | WICHITA | KS | HEMATOLOGY/ONCOLOGY | 27 | 1,184 | $1,167,424 | $986 | premium | 73.8% | (316) 262-4467 |
| 4 | ONCOLOGY SPECIALTIES, P.C. | HUNTSVILLE | AL | NURSE PRACTITIONER | 93 | 1,144 | $2,791,984 | $2,441 | premium | 79.7% | (256) 705-4224 |
| 5 | VIRGINIA ONCOLOGY ASSOCIATES | NORFOLK | VA | PHYSICIAN ASSISTANT | 123 | 973 | $959,206 | $986 | premium | 36.0% | — |
| 6 | ONCOLOGY-HEMATOLOGY ASSOCIATES OF CENTRAL ILLINOIS P C | PEORIA | IL | NURSE PRACTITIONER | 62 | 943 | $853,272 | $905 | premium | 23.5% | (309) 243-3000 |
| 7 | TENNESSEE ONCOLOGY PLLC | NASHVILLE | TN | HEMATOLOGY/ONCOLOGY | 360 | 896 | $589,882 | $658 | premium | 47.1% | (615) 385-3751 |
| 8 | ROCKY MOUNTAIN CANCER CENTERS LLP | COLORADO SPRINGS | CO | NURSE PRACTITIONER | 129 | 880 | $867,680 | $986 | premium | 92.1% | (719) 577-2555 |
| 9 | CENTRAL ARKANSAS RADIATION THERAPY INSTITUTE INC | LITTLE ROCK | AR | HEMATOLOGY/ONCOLOGY | 90 | 853 | $936,594 | $1,098 | premium | 91.7% | — |
| 10 | IRONWOOD PHYSICIANS PC | MESA | AZ | HEMATOLOGY/ONCOLOGY | 114 | 817 | $273,695 | $335 | premium | 37.2% | (480) 981-1326 |
| 11 | ALLISON CURTIS KINGSLEY MEOZ MICHAEL AND SANCHEZ PC | LAS VEGAS | NV | NURSE PRACTITIONER | 71 | 796 | $784,856 | $986 | premium | 67.1% | (702) 952-2140 |
| 12 | MAYO CLINIC JACKSONVILLE | JACKSONVILLE | FL | NURSE PRACTITIONER | 1587 | 794 | $788,442 | $993 | premium | 10.5% | (904) 953-2000 |
| 13 | MAYO CLINIC | ROCHESTER | MN | NURSE PRACTITIONER | 4896 | 789 | $646,980 | $820 | premium | 61.4% | (507) 284-2511 |
| 14 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 699 | $1,130,982 | $1,618 | premium | 17.4% | — |
| 15 | CITY OF HOPE MEDICAL FOUNDATION | DUARTE | CA | NURSE PRACTITIONER | 942 | 660 | $295,898 | $448 | premium | 21.3% | (626) 256-4673 |
| 16 | ILLINOIS CANCER SPECIALISTS | ARLINGTON HEIGHTS | IL | HEMATOLOGY/ONCOLOGY | 29 | 641 | $632,026 | $986 | premium | 16.0% | (847) 259-4482 |
| 17 | VIRGINIA CANCER INSTITUTE INCORPORATED | NORTH CHESTERFIELD | VA | HEMATOLOGY/ONCOLOGY | 50 | 599 | $209,650 | $350 | premium | 22.2% | (804) 330-7990 |
| 18 | CANCER CARE SPECIALISTS OF CENTRAL ILLINOIS SC | DECATUR | IL | HEMATOLOGY/ONCOLOGY | 30 | 545 | $280,166 | $514 | premium | 13.6% | (217) 876-4700 |
| 19 | MAYO CLINIC ARIZONA | PHOENIX | AZ | PHYSICIAN ASSISTANT | 1635 | 540 | $432,000 | $800 | premium | 24.6% | (800) 603-0558 |
| 20 | WASHINGTON UNIVERSITY | SAINT LOUIS | MO | NURSE PRACTITIONER | 3070 | 510 | $470,910 | $923 | premium | 73.7% | (314) 747-3000 |
| 21 | ONCOLOGY HEMATOLOGY WEST PC | OMAHA | NE | PHYSICIAN ASSISTANT | 55 | 473 | $165,550 | $350 | premium | 50.4% | (402) 393-3110 |
| 22 | MICHIGAN HEALTHCARE PROFESSIONALS PC | FARMINGTON HILLS | MI | INTERNAL MEDICINE | 518 | 472 | $221,415 | $469 | premium | 77.1% | (248) 477-0552 |
| 23 | THE WEST CLINIC P.C. | GERMANTOWN | TN | NURSE PRACTITIONER | 113 | 462 | $460,816 | $997 | premium | 24.3% | (901) 683-0055 |
| 24 | ALLIANCE CANCER SPECIALISTS P.C. | LANGHORNE | PA | HEMATOLOGY/ONCOLOGY | 44 | 460 | $453,060 | $985 | premium | 64.2% | (215) 750-5050 |
| 25 | NEW YORK ONCOLOGY HEMATOLOGY PC | ALBANY | NY | NURSE PRACTITIONER | 83 | 443 | $436,798 | $986 | premium | 30.3% | (518) 262-6696 |
| 26 | HEMATOLOGY-ONCOLOGY ASSOCIATES OF CNY, PC | EAST SYRACUSE | NY | NURSE PRACTITIONER | 61 | 432 | $345,600 | $800 | premium | 29.6% | (315) 472-7504 |
| 27 | PIEDMONT CANCER INSTITUTE PC | ATLANTA | GA | PHYSICIAN ASSISTANT | 42 | 423 | $232,650 | $550 | premium | 42.0% | (404) 350-9853 |
| 28 | STATE UNIVERSITY OF IOWA | IOWA CITY | IA | PHYSICIAN ASSISTANT | 1902 | 422 | $200,035 | $474 | premium | 40.3% | (319) 678-8201 |
| 29 | STOCKTON HEMATOLOGY ONCOLOGY MEDICAL GROUP INC | STOCKTON | CA | HEMATOLOGY | 9 | 414 | $195,718 | $473 | premium | 13.4% | — |
| 30 | SPRINGFIELD CLINIC, LLP | SPRINGFIELD | IL | NURSE PRACTITIONER | 686 | 404 | $456,520 | $1,130 | premium | 10.1% | (217) 544-6464 |
| 31 | REGIONAL CANCER CARE ASSOCIATES LLC | HACKENSACK | NJ | HEMATOLOGY/ONCOLOGY | 153 | 403 | $397,358 | $986 | premium | 56.5% | (201) 996-2210 |
| 32 | VIRGINIA CANCER SPECIALISTS, P.C. | FAIRFAX | VA | HEMATOLOGY/ONCOLOGY | 76 | 395 | $389,470 | $986 | premium | 14.6% | (703) 280-5390 |
| 33 | MEDICAL ONCOLOGY HEMATOLOGY CONSULTANTS PA | NEWARK | DE | HEMATOLOGY/ONCOLOGY | 33 | 393 | $387,498 | $986 | premium | 100.0% | (302) 366-1200 |
| 34 | JACKSON ONCOLOGY ASSOCIATES | JACKSON | MS | HEMATOLOGY/ONCOLOGY | 11 | 366 | $157,380 | $430 | premium | 68.3% | (601) 974-5600 |
| 35 | OKLAHOMA CANCER SPECIALISTS AND RESEARCH INSTITUTE, LLC | TULSA | OK | NURSE PRACTITIONER | 47 | 361 | $361,000 | $1,000 | premium | 68.1% | (918) 505-3200 |
| 36 | AMERICAN ONCOLOGY PARTNERS PA | FORT WAYNE | GA | HEMATOLOGY/ONCOLOGY | 333 | 356 | $220,560 | $620 | premium | 35.3% | (260) 484-8830 |
| 37 | DESERT HEMATOLOGY-ONCOLOGY MEDICAL GROUP INC | RANCHO MIRAGE | CA | HEMATOLOGY/ONCOLOGY | 10 | 286 | $85,800 | $300 | premium | 9.2% | (760) 568-3613 |
| 38 | NORTHWEST CANCER CENTERS PC | DYER | IN | HEMATOLOGY/ONCOLOGY | 26 | 284 | $280,024 | $986 | premium | 32.5% | (812) 220-4476 |
| 39 | SHENANDOAH ONCOLOGY PC | WINCHESTER | VA | NURSE PRACTITIONER | 22 | 266 | $262,276 | $986 | premium | 9.8% | (540) 662-1108 |
| 40 | COLUMBUS ONCOLOGY ASSOCIATES INC | COLUMBUS | OH | HEMATOLOGY/ONCOLOGY | 24 | 264 | $132,207 | $501 | premium | 34.0% | (614) 442-3130 |
| 41 | MINNESOTA ONCOLOGY HEMATOLOGY PA | EDINA | MN | PHYSICIAN ASSISTANT | 135 | 260 | $256,360 | $986 | premium | 20.2% | (952) 928-2900 |
| 42 | CANCER CARE ASSOCIATES OF YORK, INC. | YORK | PA | HEMATOLOGY/ONCOLOGY | 15 | 256 | $64,010 | $250 | premium | 35.8% | (717) 741-9229 |
| 43 | AMERICAN ONCOLOGY PARTNERS PA | FORT WAYNE | NC | HEMATOLOGY/ONCOLOGY | 333 | 254 | $155,702 | $613 | premium | 36.6% | (260) 484-8830 |
| 44 | NORTH SHORE HEMATOLOGY ONCOLOGY ASSOCIATES PC | SMITHTOWN | NY | NURSE PRACTITIONER | 462 | 248 | $223,200 | $900 | premium | 17.0% | (631) 751-3000 |
| 45 | SOUTH TEXAS ONCOLOGY AND HEMATOLOGY, PLLC | SAN ANTONIO | TX | HEMATOLOGY/ONCOLOGY | 39 | 236 | $98,971 | $419 | premium | 3.0% | (210) 593-5700 |
| 46 | JOHN A SHIELDS MD AND STEVEN A SCHIFF MD A PROFESSIONAL CORPORATION | RENO | NV | HEMATOLOGY/ONCOLOGY | 19 | 235 | $88,125 | $375 | premium | 19.8% | (775) 329-0873 |
| 47 | HUNTERDON HEMATOLOGY ONCOLOGY, LLC | FLEMINGTON | NJ | HEMATOLOGY/ONCOLOGY | 7 | 233 | $256,766 | $1,102 | premium | 32.7% | (908) 237-1201 |
| 48 | SOUTHEASTERN MEDICAL ONCOLOGY CENTER | GOLDSBORO | NC | HEMATOLOGY/ONCOLOGY | 11 | 232 | $247,101 | $1,065 | premium | 33.4% | (919) 580-0000 |
| 49 | WOODLANDS MEDICAL SPECIALISTS P A | PENSACOLA | FL | PHYSICIAN ASSISTANT | 51 | 214 | $211,004 | $986 | premium | 2.8% | (850) 696-4000 |
| 50 | AFFILIATED ONCOLOGISTS LLC | OAK LAWN | IL | PHYSICIAN ASSISTANT | 40 | 212 | $209,032 | $986 | premium | 5.3% | (708) 684-5475 |
| 51 | DUPAGE MEDICAL GROUP LTD | GLEN ELLYN | IL | PHYSICIAN ASSISTANT | 1323 | 204 | $160,140 | $785 | premium | 5.1% | (630) 469-9200 |
| 52 | MARYLAND ONCOLOGY HEMATOLOGY PA | LAUREL | MD | HEMATOLOGY/ONCOLOGY | 99 | 191 | $188,326 | $986 | premium | 23.3% | (301) 982-9800 |
| 53 | GREATER BALTIMORE MEDICAL CENTER INC | BALTIMORE | MD | HOSPITALIST | 348 | 191 | $53,862 | $282 | premium | 23.3% | — |
| 54 | NORTHWEST MEDICAL SPECIALTIES PLLC | TACOMA | WA | HEMATOLOGY/ONCOLOGY | 39 | 183 | $45,750 | $250 | premium | 85.9% | (253) 428-8700 |
| 55 | SOUTH CAROLINA ONCOLOGY ASSOC PA | COLUMBIA | SC | HEMATOLOGY/ONCOLOGY | 18 | 182 | $101,920 | $560 | premium | 47.2% | (803) 461-3000 |
| 56 | ONCOLOGY HEMATOLOGY CONSULTANTS, PA | FORT WORTH | TX | HEMATOLOGY/ONCOLOGY | 69 | 178 | $80,096 | $450 | premium | 2.3% | (817) 759-7000 |
| 57 | STUART ONCOLOGY ASSOCIATES PA | STUART | FL | PHYSICIAN ASSISTANT | 9 | 169 | $84,500 | $500 | premium | 2.2% | (772) 276-7242 |
| 58 | ROCKY MOUNTAIN ONCOLOGY CENTER LLC | CASPER | WY | PHYSICIAN ASSISTANT | 8 | 166 | $104,913 | $632 | premium | 100.0% | — |
| 59 | MCFARLAND CLINIC PC | AMES | IA | PHYSICIAN ASSISTANT | 352 | 160 | $53,500 | $334 | premium | 15.3% | (515) 239-4400 |
| 60 | CANCER SPECIALISTS LLC | JACKSONVILLE | FL | HEMATOLOGY/ONCOLOGY | 46 | 157 | $139,323 | $887 | premium | 2.1% | (904) 516-3737 |
| 61 | AMERICAN ONCOLOGY PARTNERS PA | FORT WAYNE | AZ | HEMATOLOGY/ONCOLOGY | 333 | 155 | $95,015 | $613 | premium | 7.1% | (260) 484-8830 |
| 62 | AVERA MCKENNAN | SIOUX FALLS | SD | NURSE PRACTITIONER | 964 | 152 | $206,382 | $1,358 | premium | 46.6% | (605) 322-5180 |
| 63 | WESTCHESTER MEDICAL GROUP, P.C | WHITE PLAINS | NY | INTERNAL MEDICINE | 409 | 142 | $113,600 | $800 | premium | 9.7% | (914) 682-0700 |
| 64 | MAINE CENTER FOR CANCER MEDICINE AND BLOOD DISORDERS PA | WESTBROOK | ME | HEMATOLOGY/ONCOLOGY | 69 | 142 | $39,050 | $275 | premium | 100.0% | (207) 303-3300 |
| 65 | MICHIANA HEMATOLOGY-ONCOLOGY P C | MISHAWAKA | IN | MEDICAL ONCOLOGY | 12 | 130 | $78,000 | $600 | premium | 14.9% | (574) 237-1328 |
| 66 | ONCOLOGY SAN ANTONIO | SAN ANTONIO | TX | HEMATOLOGY/ONCOLOGY | 5 | 127 | $38,578 | $304 | premium | 1.6% | (210) 490-2707 |
| 67 | SIERRA HEMATOLOGY AND ONCOLOGY MEDICAL CENTERS | CARMICHAEL | CA | HEMATOLOGY/ONCOLOGY | 16 | 124 | $52,060 | $420 | premium | 4.0% | (916) 962-1544 |
| 68 | PALO VERDE HEMATOLOGY ONCOLOGY LTD | PHOENIX | AZ | PHYSICIAN ASSISTANT | 16 | 124 | $142,600 | $1,150 | premium | 5.7% | (623) 478-8091 |
| 69 | CLEVELAND CLINIC | CLEVELAND | OH | PHYSICIAN ASSISTANT | 6828 | 121 | $158,752 | $1,312 | premium | 15.6% | — |
| 70 | ONCOLOGY ASSOCIATES OF OREGON P C | EUGENE | OR | PHYSICIAN ASSISTANT | 47 | 120 | $118,320 | $986 | premium | 33.8% | (541) 683-5001 |
| 71 | AUGUSTA ONCOLOGY ASSOCIATES PC | AUGUSTA | GA | HEMATOLOGY/ONCOLOGY | 36 | 119 | $71,400 | $600 | premium | 11.8% | 7067361830213 |
| 72 | HATTIESBURG CLINIC PA | HATTIESBURG | MS | FAMILY PRACTICE | 530 | 116 | $109,156 | $941 | premium | 21.6% | (601) 264-6000 |
| 73 | ONCOLOGY HEMATOLOGY CARE INC | CINCINNATI | OH | NURSE PRACTITIONER | 66 | 115 | $113,390 | $986 | premium | 14.8% | (513) 751-2273 |
| 74 | CRYSTAL RUN HEALTHCARE PHYSICIANS LLP | MIDDLETOWN | NY | NURSE PRACTITIONER | 372 | 115 | $75,000 | $652 | premium | 7.9% | (845) 703-6999 |
| 75 | SANT P CHAWLA M D INC | SANTA MONICA | CA | HEMATOLOGY | 4 | 115 | $55,920 | $486 | premium | 3.7% | (310) 552-9999 |
| 76 | TENNESSEE CANCER SPECIALISTS PLLC | KNOXVILLE | TN | NURSE PRACTITIONER | 65 | 113 | $104,194 | $922 | premium | 5.9% | (865) 934-5800 |
| 77 | SOUTHERN CANCER CENTER PC | MOBILE | AL | MEDICAL ONCOLOGY | 25 | 110 | $108,460 | $986 | premium | 7.7% | (251) 625-6896 |
| 78 | ONCOLOGY AND HEMATOLOGY ASSOCIATES OF SOUTHWEST VIRGINIA INC | ROANOKE | VA | NURSE PRACTITIONER | 52 | 107 | $105,502 | $986 | premium | 4.0% | (540) 982-0237 |
| 79 | TENNESSEE PLATEAU ONCOLOGY PLLC | CROSSVILLE | TN | MEDICAL ONCOLOGY | 2 | 103 | $41,200 | $400 | premium | 5.4% | (931) 484-7596 |
| 80 | CENTRAL CARE PA | BOLIVAR | KS | NURSE PRACTITIONER | 15 | 102 | $52,469 | $514 | premium | 6.4% | (417) 326-7200 |
| 81 | EAST TEXAS HEMATOLOGY AND ONCOLOGY | LUFKIN | TX | HEMATOLOGY/ONCOLOGY | 5 | 101 | $47,975 | $475 | premium | 1.3% | (936) 637-6415 |
| 82 | CENTRAL CARE PA | BOLIVAR | MO | NURSE PRACTITIONER | 15 | 97 | $49,897 | $514 | premium | 14.0% | (417) 326-7200 |
| 83 | REGIONAL CANCER CARE ASSOCIATES LLC | HACKENSACK | VT | HEMATOLOGY/ONCOLOGY | 153 | 97 | $95,642 | $986 | premium | 100.0% | (201) 996-2210 |
| 84 | AMERICAN ONCOLOGY PARTNERS PA | FORT WAYNE | IN | HEMATOLOGY/ONCOLOGY | 333 | 97 | $42,075 | $434 | premium | 11.1% | (260) 484-8830 |
| 85 | ONCOLOGY CONSULTANTS, P.A. | HOUSTON | TX | MEDICAL ONCOLOGY | 34 | 96 | $57,900 | $603 | premium | 1.2% | (281) 481-6688 |
| 86 | NORTHWEST MEDICAL SPECIALTIES PLLC | TACOMA | NV | HEMATOLOGY/ONCOLOGY | 39 | 95 | $23,750 | $250 | premium | 8.0% | (253) 428-8700 |
| 87 | POTOMAC ONCOLOGY AND HEMATOLOGY, LLC | ROCKVILLE | MD | NURSE PRACTITIONER | 3 | 94 | $24,963 | $266 | premium | 11.5% | (240) 618-0275 |
| 88 | MICHAEL P SHERMAN MD PHD A MEDICAL CORPORATION | WALNUT CREEK | CA | HEMATOLOGY/ONCOLOGY | 13 | 93 | $46,500 | $500 | premium | 3.0% | (925) 939-9610 |
| 89 | MASOUD KHORSAND- SAHBAIE MD P A | ROSWELL | NM | HEMATOLOGY/ONCOLOGY | 18 | 93 | $15,520 | $167 | premium | 55.4% | (575) 627-9500 |
| 90 | OREGON ONCOLOGY SPECIALISTS LLP | SALEM | OR | PHYSICIAN ASSISTANT | 41 | 92 | $97,786 | $1,063 | premium | 25.9% | (503) 485-0350 |
| 91 | PHOENIX CANCER AND BLOOD DISORDER TREATMENT INSTITUTE PLLC | BULLHEAD CITY | AZ | INTERNAL MEDICINE | 2 | 89 | $27,790 | $312 | premium | 4.1% | (928) 219-1357 |
| 92 | SACRED HEART HEALTH SYSTEM INC | PENSACOLA | FL | NURSE PRACTITIONER | 371 | 89 | $87,754 | $986 | premium | 1.2% | (850) 416-2400 |
| 93 | CANCER CENTER OF SOUTH FLORIDA PLLC | PALM BEACH GARDENS | FL | PHYSICIAN ASSISTANT | 41 | 87 | $46,536 | $535 | premium | 1.1% | (561) 253-3980 |
| 94 | IMC-DIAGNOSTIC AND MEDICAL CLINIC LLC | MOBILE | AL | INTERNAL MEDICINE | 167 | 87 | $87,555 | $1,006 | premium | 6.1% | — |
| 95 | HEALTH FIRST MEDICAL GROUP, LLC | MELBOURNE | FL | NURSE PRACTITIONER | 669 | 85 | $26,945 | $317 | premium | 1.1% | (321) 434-8878 |
| 96 | HEM ONC ASSOCIATES OF THE TREASURE COAST, PA | PORT SAINT LUCIE | FL | HEMATOLOGY/ONCOLOGY | 6 | 85 | $39,100 | $460 | premium | 1.1% | (772) 335-5666 |
| 97 | ALASKA ONCOLOGY AND HEMATOLOGY LLC | ANCHORAGE | AK | PHYSICIAN ASSISTANT | 6 | 85 | $74,480 | $876 | premium | 37.4% | (907) 279-3155 |
| 98 | WATSON CLINIC LLP | LAKELAND | FL | NURSE PRACTITIONER | 363 | 84 | $28,896 | $344 | premium | 1.1% | (863) 680-7780 |
| 99 | SALINA REGIONAL HEALTH CENTER INC | SALINA | KS | NURSE PRACTITIONER | 160 | 84 | $33,686 | $401 | premium | 5.2% | — |
| 100 | JOHNS HOPKINS UNIVERSITY | BALTIMORE | MD | NURSE PRACTITIONER | 2900 | 82 | $39,817 | $486 | premium | 10.0% | (410) 502-4340 |
Showing the top 100 of 135 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 →