83540 — Iron level
754,664 observed fee-for-service (48%) · ~809,976 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 | 83540 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | FLORIDA CANCER SPECIALISTS AND RESEARCH INSTITUTE, LLC | FORT MYERS | FL | HEMATOLOGY/ONCOLOGY | 437 | 109,660 | $2,635,238 | $24 | premium | 23.7% | (239) 561-9622 |
| 2 | TEXAS ONCOLOGY PA | DALLAS | TX | PHYSICIAN ASSISTANT | 995 | 60,929 | $1,645,016 | $27 | premium | 21.4% | — |
| 3 | NORTH SHORE HEMATOLOGY ONCOLOGY ASSOCIATES PC | SMITHTOWN | NY | NURSE PRACTITIONER | 462 | 57,471 | $3,982,220 | $69 | premium | 21.8% | (631) 751-3000 |
| 4 | TENNESSEE ONCOLOGY PLLC | NASHVILLE | TN | HEMATOLOGY/ONCOLOGY | 360 | 15,881 | $176,963 | $11 | premium | 14.7% | (615) 385-3751 |
| 5 | AMERICAN ONCOLOGY PARTNERS PA | FORT WAYNE | FL | HEMATOLOGY/ONCOLOGY | 333 | 15,382 | $307,640 | $20 | premium | 3.3% | (260) 484-8830 |
| 6 | VIRGINIA ONCOLOGY ASSOCIATES | NORFOLK | VA | PHYSICIAN ASSISTANT | 123 | 15,253 | $399,042 | $26 | premium | 22.2% | — |
| 7 | MARYLAND ONCOLOGY HEMATOLOGY PA | LAUREL | MD | HEMATOLOGY/ONCOLOGY | 99 | 14,532 | $377,832 | $26 | premium | 21.3% | (301) 982-9800 |
| 8 | ONCOLOGY SPECIALTIES, P.C. | HUNTSVILLE | AL | NURSE PRACTITIONER | 93 | 14,344 | $220,033 | $15 | premium | 14.5% | (256) 705-4224 |
| 9 | ALLISON CURTIS KINGSLEY MEOZ MICHAEL AND SANCHEZ PC | LAS VEGAS | NV | NURSE PRACTITIONER | 71 | 8,992 | $233,792 | $26 | premium | 25.0% | (702) 952-2140 |
| 10 | CALIFORNIA CANCER ASSOCIATES FOR RESEARCH AND EXCELLENCE INC | FRESNO | CA | HEMATOLOGY/ONCOLOGY | 62 | 8,672 | $147,424 | $17 | premium | 2.0% | (559) 326-1222 |
| 11 | MILLENNIUM PHYSICIAN GROUP LLC | PORT CHARLOTTE | FL | PHYSICIAN ASSISTANT | 953 | 8,032 | $103,934 | $13 | premium | 1.7% | (941) 255-3535 |
| 12 | CENTRAL ARKANSAS RADIATION THERAPY INSTITUTE INC | LITTLE ROCK | AR | HEMATOLOGY/ONCOLOGY | 90 | 6,704 | $134,080 | $20 | premium | 31.9% | — |
| 13 | ONCOLOGY-HEMATOLOGY ASSOCIATES OF CENTRAL ILLINOIS P C | PEORIA | IL | NURSE PRACTITIONER | 62 | 6,663 | $304,848 | $46 | premium | 6.6% | (309) 243-3000 |
| 14 | OPTUM MEDICAL CARE PC | MOUNT KISCO | NY | INTERNAL MEDICINE | 1040 | 6,370 | $118,258 | $19 | premium | 2.4% | (914) 241-1050 |
| 15 | CANCER SPECIALISTS LLC | JACKSONVILLE | FL | HEMATOLOGY/ONCOLOGY | 46 | 6,021 | $98,200 | $16 | premium | 1.3% | (904) 516-3737 |
| 16 | TENNESSEE CANCER SPECIALISTS PLLC | KNOXVILLE | TN | NURSE PRACTITIONER | 65 | 5,731 | $307,756 | $54 | premium | 5.3% | (865) 934-5800 |
| 17 | HIGHLANDS ONCOLOGY GROUP PA | FAYETTEVILLE | AR | NURSE PRACTITIONER | 79 | 5,348 | $121,405 | $23 | premium | 25.5% | (479) 361-2585 |
| 18 | ATRIUS HEALTH INC | BOSTON | MA | NURSE PRACTITIONER | 1196 | 5,258 | $136,708 | $26 | premium | 6.6% | (617) 421-1000 |
| 19 | DUPAGE MEDICAL GROUP LTD | GLEN ELLYN | IL | PHYSICIAN ASSISTANT | 1323 | 5,104 | $168,302 | $33 | premium | 5.1% | (630) 469-9200 |
| 20 | BIRMINGHAM HEMATOLOGY ONCOLOGY ASSOC LLC | BIRMINGHAM | AL | MEDICAL ONCOLOGY | 31 | 5,003 | $120,072 | $24 | premium | 5.0% | (205) 592-5077 |
| 21 | SUMMIT MEDICAL GROUP, PLLC | KNOXVILLE | TN | FAMILY PRACTICE | 622 | 4,951 | $79,602 | $16 | premium | 4.6% | (865) 938-3627 |
| 22 | ROCKY MOUNTAIN CANCER CENTERS LLP | COLORADO SPRINGS | CO | NURSE PRACTITIONER | 129 | 4,520 | $117,520 | $26 | premium | 20.9% | (719) 577-2555 |
| 23 | UNIVERSITY CANCER AND BLOOD CENTER LLC | ATHENS | GA | NURSE PRACTITIONER | 56 | 4,510 | $126,145 | $28 | premium | 5.8% | (706) 353-2990 |
| 24 | VIRGINIA CANCER SPECIALISTS, P.C. | FAIRFAX | VA | HEMATOLOGY/ONCOLOGY | 76 | 4,358 | $113,308 | $26 | premium | 6.3% | (703) 280-5390 |
| 25 | NEW YORK ONCOLOGY HEMATOLOGY PC | ALBANY | NY | NURSE PRACTITIONER | 83 | 4,308 | $107,700 | $25 | premium | 1.6% | (518) 262-6696 |
| 26 | COASTAL CANCER CENTER LLC | MYRTLE BEACH | SC | RADIATION ONCOLOGY | 22 | 4,185 | $297,135 | $71 | premium | 13.5% | (843) 449-9415 |
| 27 | ADVANCED INTERNAL MEDICINE GROUP PC | GREENVALE | NY | INTERNAL MEDICINE | 5 | 4,092 | $86,306 | $21 | premium | 1.6% | (516) 352-8100 |
| 28 | OCALA ONCOLOGY CENTER PL | OCALA | FL | NURSE PRACTITIONER | 23 | 4,072 | $105,872 | $26 | premium | 0.9% | (352) 732-4032 |
| 29 | COMMUNITY MEDICAL ASSOCIATES INC | LOUISVILLE | KY | NURSE PRACTITIONER | 1377 | 3,790 | $111,291 | $29 | premium | 27.6% | (502) 937-2209 |
| 30 | MUSC AFFILIATE PHYSICIANS | GREENVILLE | SC | PHYSICIAN ASSISTANT | 52 | 3,700 | $77,700 | $21 | premium | 11.9% | (864) 603-5600 |
| 31 | CANCER CARE SPECIALISTS OF CENTRAL ILLINOIS SC | DECATUR | IL | HEMATOLOGY/ONCOLOGY | 30 | 3,667 | $201,560 | $55 | premium | 3.6% | (217) 876-4700 |
| 32 | ONCOLOGY AND HEMATOLOGY ASSOCIATES OF SOUTHWEST VIRGINIA INC | ROANOKE | VA | NURSE PRACTITIONER | 52 | 3,596 | $93,496 | $26 | premium | 5.2% | (540) 982-0237 |
| 33 | CENTRAL OHIO PRIMARY CARE PHYSICIANS, INC. | COLUMBUS | OH | INTERNAL MEDICINE | 495 | 3,554 | $53,310 | $15 | premium | 3.3% | (614) 451-9612 |
| 34 | SCKE INC | LAGUNA HILLS | CA | ENDOCRINOLOGY | 20 | 3,501 | $73,501 | $21 | premium | 0.8% | (949) 916-9100 |
| 35 | HEMATOLOGY AND ONCOLOGY ASSOCIATES OF NORTHEASTERN PA PC | DUNMORE | PA | HEMATOLOGY/ONCOLOGY | 7 | 3,328 | $83,200 | $25 | premium | 6.5% | (570) 342-3675 |
| 36 | MINNESOTA ONCOLOGY HEMATOLOGY PA | EDINA | MN | PHYSICIAN ASSISTANT | 135 | 3,325 | $86,450 | $26 | premium | 19.2% | (952) 928-2900 |
| 37 | JACKSON ONCOLOGY ASSOCIATES | JACKSON | MS | HEMATOLOGY/ONCOLOGY | 11 | 3,239 | $161,950 | $50 | premium | 29.5% | (601) 974-5600 |
| 38 | ARIZONA COMMUNITY PHYSICIANS PC | TUCSON | AZ | FAMILY PRACTICE | 163 | 3,036 | $60,720 | $20 | premium | 2.6% | (520) 547-5725 |
| 39 | RAVI PATEL M D INC | BAKERSFIELD | CA | HEMATOLOGY/ONCOLOGY | 20 | 3,003 | $69,069 | $23 | premium | 0.7% | (661) 322-2206 |
| 40 | CEDARS-SINAI MEDICAL CARE FOUNDATION | LOS ANGELES | CA | PHYSICIAN ASSISTANT | 1699 | 2,902 | $66,746 | $23 | premium | 0.7% | (310) 423-0674 |
| 41 | HEMATOLOGY-ONCOLOGY ASSOCIATES OF CNY, PC | EAST SYRACUSE | NY | NURSE PRACTITIONER | 61 | 2,861 | $54,359 | $19 | premium | 1.1% | (315) 472-7504 |
| 42 | PRINE HEALTH MEDICAL GROUP, PLLC | MANHASSET | NY | NEPHROLOGY | 75 | 2,660 | $43,027 | $16 | premium | 1.0% | (516) 407-2727 |
| 43 | MCFARLAND CLINIC PC | AMES | IA | PHYSICIAN ASSISTANT | 352 | 2,617 | $65,425 | $25 | premium | 20.2% | (515) 239-4400 |
| 44 | ENDOCRINE AND DIABETES PA | LIVINGSTON | NJ | ENDOCRINOLOGY | 2 | 2,500 | $23,644 | $9 | premium | 0.5% | (973) 322-7200 |
| 45 | NORTHWEST ONCOLOGY AND HEMATOLOGY SC | ROLLING MEADOWS | IL | HEMATOLOGY/ONCOLOGY | 22 | 2,499 | $124,950 | $50 | premium | 2.5% | (847) 870-4100 |
| 46 | DIABETES AND ENDOCRINE ASSOCIATES OF THE TREASURE COAST LLC | VERO BEACH | FL | NURSE PRACTITIONER | 3 | 2,484 | $62,100 | $25 | premium | 0.5% | (772) 299-3003 |
| 47 | THE WEST CLINIC P.C. | GERMANTOWN | TN | NURSE PRACTITIONER | 113 | 2,426 | $54,717 | $23 | premium | 2.2% | (901) 683-0055 |
| 48 | HUTCHINSON CLINIC PA INC | HUTCHINSON | KS | PHYSICIAN ASSISTANT | 131 | 2,409 | $65,043 | $27 | premium | 3.2% | (620) 669-2500 |
| 49 | LEXINGTON HEALTH INC | WEST COLUMBIA | SC | NURSE PRACTITIONER | 909 | 2,291 | $71,021 | $31 | premium | 7.4% | (803) 744-4900 |
| 50 | AMERICAN ONCOLOGY PARTNERS PA | FORT WAYNE | GA | HEMATOLOGY/ONCOLOGY | 333 | 2,282 | $54,385 | $24 | premium | 2.9% | (260) 484-8830 |
| 51 | HEM ONC ASSOCIATES OF THE TREASURE COAST, PA | PORT SAINT LUCIE | FL | HEMATOLOGY/ONCOLOGY | 6 | 2,258 | $45,160 | $20 | premium | 0.5% | (772) 335-5666 |
| 52 | HORIZON INTERNAL MEDICINE PLLC | HIGH POINT | NC | NURSE PRACTITIONER | 15 | 2,113 | $29,793 | $14 | premium | 0.9% | (336) 610-1300 |
| 53 | SOUTH CAROLINA ONCOLOGY ASSOC PA | COLUMBIA | SC | HEMATOLOGY/ONCOLOGY | 18 | 2,084 | $72,940 | $35 | premium | 6.7% | (803) 461-3000 |
| 54 | AUGUSTA ONCOLOGY ASSOCIATES PC | AUGUSTA | GA | HEMATOLOGY/ONCOLOGY | 36 | 2,048 | $100,580 | $49 | premium | 2.6% | 7067361830213 |
| 55 | SOUTH TEXAS ONCOLOGY AND HEMATOLOGY, PLLC | SAN ANTONIO | TX | HEMATOLOGY/ONCOLOGY | 39 | 2,029 | $39,383 | $19 | premium | 0.7% | (210) 593-5700 |
| 56 | ADVOCATE HEALTH AND HOSPITALS CORPORATION | BUFFALO GROVE | IL | NURSE PRACTITIONER | 3045 | 2,018 | $66,594 | $33 | premium | 2.0% | (847) 459-1160 |
| 57 | MID-FLORIDA CANCER CENTERS LLC | ORANGE CITY | FL | HEMATOLOGY/ONCOLOGY | 13 | 2,000 | $35,600 | $18 | premium | 0.4% | (386) 774-1223 |
| 58 | REVERE HEALTH PC | PROVO | UT | PHYSICIAN ASSISTANT | 410 | 1,989 | $27,846 | $14 | premium | 18.7% | — |
| 59 | RIVERSIDE PHYSICIAN SERVICES INC | NEWPORT NEWS | VA | PHYSICIAN ASSISTANT | 793 | 1,963 | $33,371 | $17 | premium | 2.9% | — |
| 60 | MAYO CLINIC ARIZONA | PHOENIX | AZ | PHYSICIAN ASSISTANT | 1635 | 1,934 | $77,360 | $40 | premium | 1.7% | (800) 603-0558 |
| 61 | DIABETES AND ENDOCRINOLOGY CONSULTANTS, PC | WEST NYACK | NY | ENDOCRINOLOGY | 5 | 1,932 | $28,980 | $15 | premium | 0.7% | (845) 358-6266 |
| 62 | TIDEWATER PHYSICIANS MULTISPECIALTY GROUP, PC | NEWPORT NEWS | VA | FAMILY PRACTICE | 274 | 1,871 | $43,033 | $23 | premium | 2.7% | (757) 595-9880 |
| 63 | NORTHWEST CANCER CENTERS PC | DYER | IN | HEMATOLOGY/ONCOLOGY | 26 | 1,855 | $48,230 | $26 | premium | 8.9% | (812) 220-4476 |
| 64 | ANDERSON ONCOLOGY-HEMATOLOGY CLINIC PA | ANDERSON | SC | HEMATOLOGY/ONCOLOGY | 4 | 1,850 | $66,866 | $36 | premium | 6.0% | (864) 512-1658 |
| 65 | GRAVES GILBERT CLINIC PLLC | BOWLING GREEN | KY | NURSE PRACTITIONER | 221 | 1,824 | $36,480 | $20 | premium | 13.3% | (270) 781-4043 |
| 66 | STATE OF FRANKLIN HEALTHCARE ASSOCIATES, PLLC | JOHNSON CITY | TN | NURSE PRACTITIONER | 279 | 1,819 | $22,668 | $12 | premium | 1.7% | (423) 926-8181 |
| 67 | SACRED HEART HEALTH SYSTEM INC | PENSACOLA | FL | NURSE PRACTITIONER | 371 | 1,815 | $47,190 | $26 | premium | 0.4% | (850) 416-2400 |
| 68 | ABKSW PREFERRED HEALTH PARTNERS, PLLC | DALLAS | TX | INTERNAL MEDICINE | 48 | 1,786 | $40,950 | $23 | premium | 0.6% | (241) 823-4800 |
| 69 | OMID S. SHAYE, M.D., A MEDICAL CORPORATION | WEST HILLS | CA | HEMATOLOGY/ONCOLOGY | 3 | 1,772 | $22,930 | $13 | premium | 0.4% | (818) 346-1773 |
| 70 | NOVANT HEALTH MEDICAL GROUP COASTAL REGION LLC | WILMINGTON | NC | PHYSICIAN ASSISTANT | 560 | 1,737 | $59,058 | $34 | premium | 0.7% | (910) 662-6000 |
| 71 | EASTERN NEPHROLOGY ASSOCIATES PLLC | GREENVILLE | NC | NEPHROLOGY | 77 | 1,734 | $33,657 | $19 | premium | 0.7% | (252) 752-8880 |
| 72 | HERITAGE MEDICAL ASSOCIATES PC | NASHVILLE | TN | INTERNAL MEDICINE | 166 | 1,694 | $55,902 | $33 | premium | 1.6% | (629) 255-2115 |
| 73 | ONCOLOGY HEMATOLOGY CARE INC | CINCINNATI | OH | NURSE PRACTITIONER | 66 | 1,682 | $43,732 | $26 | premium | 1.6% | (513) 751-2273 |
| 74 | PRIMA CARE, PC | FALL RIVER | MA | NURSE PRACTITIONER | 220 | 1,672 | $36,784 | $22 | premium | 2.1% | — |
| 75 | HEMATOLOGY ONCOLOGY ASSOCIATES OF THE PALM BEACHES | LAKE WORTH | FL | HEMATOLOGY/ONCOLOGY | 11 | 1,666 | $49,980 | $30 | premium | 0.4% | (561) 965-1864 |
| 76 | NORTHEAST GEORGIA DIAGNOSTIC ASSOCIATES AND CLINIC, LLC | GAINESVILLE | GA | PHYSICIAN ASSISTANT | 83 | 1,663 | $36,885 | $22 | premium | 2.1% | (770) 536-9864 |
| 77 | MIDDLETOWN MEDICAL PC | MIDDLETOWN | NY | NURSE PRACTITIONER | 172 | 1,645 | $10,861 | $7 | premium | 0.6% | (845) 342-4774 |
| 78 | LIFEBRIDGE MEDICAL ASSOCIATES LLC | ELLICOTT CITY | MD | INTERNAL MEDICINE | 12 | 1,630 | $32,600 | $20 | premium | 2.4% | (443) 393-3788 |
| 79 | MAINE CENTER FOR CANCER MEDICINE AND BLOOD DISORDERS PA | WESTBROOK | ME | HEMATOLOGY/ONCOLOGY | 69 | 1,624 | $21,105 | $13 | premium | 34.0% | (207) 303-3300 |
| 80 | HARBIN CLINIC LLC | ROME | GA | NURSE PRACTITIONER | 252 | 1,603 | $48,090 | $30 | premium | 2.1% | (762) 235-3340 |
| 81 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 1,598 | $68,714 | $43 | premium | 0.4% | (415) 600-1020 |
| 82 | CANCER CENTER OF KANSAS PA | WICHITA | KS | HEMATOLOGY/ONCOLOGY | 27 | 1,591 | $41,366 | $26 | premium | 2.1% | (316) 262-4467 |
| 83 | COMMUNITY CARE PHYSICIANS PLLC | LATHAM | NY | DIAGNOSTIC RADIOLOGY | 370 | 1,549 | $30,980 | $20 | premium | 0.6% | (518) 782-3700 |
| 84 | MARYLAND PRIMARY CARE PHYSICIANS, LLC | ARNOLD | MD | NURSE PRACTITIONER | 100 | 1,526 | $30,520 | $20 | premium | 2.2% | (410) 757-7600 |
| 85 | NICHOLAS R HALPER MD PC | ROCKVILLE CENTRE | NY | FAMILY PRACTICE | 7 | 1,518 | $22,770 | $15 | premium | 0.6% | (516) 536-2221 |
| 86 | NAUSHIN SIDDIQUI PHYSICIAN PC | EAST MEADOW | NY | INTERNAL MEDICINE | 2 | 1,497 | $59,900 | $40 | premium | 0.6% | (516) 481-2000 |
| 87 | CALVERT INTERNAL MEDICINE GROUP, PA | PRINCE FREDERICK | MD | NURSE PRACTITIONER | 39 | 1,491 | $41,748 | $28 | premium | 2.2% | (410) 535-2005 |
| 88 | SUMMIT MEDICAL GROUP PA | BERKELEY HEIGHTS | NJ | PHYSICIAN ASSISTANT | 1183 | 1,486 | $39,886 | $27 | premium | 0.3% | (908) 273-4300 |
| 89 | PRIVIA MEDICAL GROUP OF GEORGIA LLC | FAYETTEVILLE | GA | NURSE PRACTITIONER | 453 | 1,464 | $38,064 | $26 | premium | 1.9% | — |
| 90 | CAPITAL DIGESTIVE CARE LLC | WASHINGTON | MD | GASTROENTEROLOGY | 238 | 1,449 | $21,445 | $15 | premium | 2.1% | (202) 296-3449 |
| 91 | NORTHWEST MEDICAL SPECIALTIES PLLC | TACOMA | WA | HEMATOLOGY/ONCOLOGY | 39 | 1,386 | $18,018 | $13 | premium | 2.8% | (253) 428-8700 |
| 92 | COVENANT MEDICAL GROUP INC | KNOXVILLE | TN | NURSE PRACTITIONER | 333 | 1,374 | $35,724 | $26 | premium | 1.3% | (865) 632-5885 |
| 93 | STATE UNIVERSITY OF IOWA | IOWA CITY | IA | PHYSICIAN ASSISTANT | 1902 | 1,368 | $34,200 | $25 | premium | 10.6% | (319) 678-8201 |
| 94 | BAPTIST MEMORIAL MEDICAL GROUP, INC. | MEMPHIS | TN | NURSE PRACTITIONER | 549 | 1,345 | $39,005 | $29 | premium | 1.2% | (901) 226-3882 |
| 95 | LAKE CITY CANCER CARE LLC | LAKE CITY | FL | NUCLEAR MEDICINE | 7 | 1,344 | $73,574 | $55 | premium | 0.3% | (386) 755-0601 |
| 96 | CAREMED PRIMARY AND URGENT CARE PC | PATCHOGUE | NY | NURSE PRACTITIONER | 21 | 1,343 | $20,145 | $15 | premium | 0.5% | (631) 475-3900 |
| 97 | UNITED REGIONAL PHYSICIAN GROUP | WICHITA FALLS | TX | NURSE PRACTITIONER | 101 | 1,341 | $36,207 | $27 | premium | 0.5% | (940) 766-3320 |
| 98 | WEST GEORGIA INTERNAL MEDICINE PC | CARROLLTON | GA | INTERNAL MEDICINE | 7 | 1,334 | $40,020 | $30 | premium | 1.7% | — |
| 99 | PINEHURST MEDICAL CLINIC INC | PINEHURST | NC | PHYSICIAN ASSISTANT | 156 | 1,329 | $61,134 | $46 | premium | 0.6% | (910) 295-5511 |
| 100 | CONSOLIDATED MEDICAL PRACTICES OF MEMPHIS,PLLC | MEMPHIS | TN | NURSE PRACTITIONER | 114 | 1,319 | $22,369 | $17 | premium | 1.2% | (901) 261-0700 |
Showing the top 100 of 798 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 →