80053 — Blood test, comprehensive group of blood chemicals
4,876,608 observed fee-for-service (49%) · ~5,065,078 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; 4 states 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 | 80053 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | FLORIDA CANCER SPECIALISTS AND RESEARCH INSTITUTE, LLC | FORT MYERS | FL | HEMATOLOGY/ONCOLOGY | 437 | 294,356 | $11,497,667 | $39 | premium | 10.0% | (239) 561-9622 |
| 2 | TEXAS ONCOLOGY PA | DALLAS | TX | PHYSICIAN ASSISTANT | 995 | 265,845 | $17,004,001 | $64 | premium | 9.8% | — |
| 3 | NORTH SHORE HEMATOLOGY ONCOLOGY ASSOCIATES PC | SMITHTOWN | NY | NURSE PRACTITIONER | 462 | 124,594 | $7,394,839 | $59 | premium | 10.2% | (631) 751-3000 |
| 4 | MILLENNIUM PHYSICIAN GROUP LLC | PORT CHARLOTTE | FL | PHYSICIAN ASSISTANT | 953 | 73,796 | $1,559,078 | $21 | premium | 2.5% | (941) 255-3535 |
| 5 | TENNESSEE ONCOLOGY PLLC | NASHVILLE | TN | HEMATOLOGY/ONCOLOGY | 360 | 67,579 | $1,225,266 | $18 | premium | 7.4% | (615) 385-3751 |
| 6 | AMERICAN ONCOLOGY PARTNERS PA | FORT WAYNE | FL | HEMATOLOGY/ONCOLOGY | 333 | 64,809 | $2,527,185 | $39 | premium | 2.2% | (260) 484-8830 |
| 7 | SUMMIT MEDICAL GROUP, PLLC | KNOXVILLE | TN | FAMILY PRACTICE | 622 | 64,564 | $1,362,405 | $21 | premium | 7.1% | (865) 938-3627 |
| 8 | OPTUM MEDICAL CARE PC | MOUNT KISCO | NY | INTERNAL MEDICINE | 1040 | 59,341 | $1,659,245 | $28 | premium | 4.9% | (914) 241-1050 |
| 9 | DUPAGE MEDICAL GROUP LTD | GLEN ELLYN | IL | PHYSICIAN ASSISTANT | 1323 | 54,984 | $3,024,002 | $55 | premium | 7.3% | (630) 469-9200 |
| 10 | VIRGINIA ONCOLOGY ASSOCIATES | NORFOLK | VA | PHYSICIAN ASSISTANT | 123 | 53,353 | $3,307,680 | $62 | premium | 8.9% | — |
| 11 | MARYLAND ONCOLOGY HEMATOLOGY PA | LAUREL | MD | HEMATOLOGY/ONCOLOGY | 99 | 50,837 | $3,151,894 | $62 | premium | 9.2% | (301) 982-9800 |
| 12 | ONCOLOGY SPECIALTIES, P.C. | HUNTSVILLE | AL | NURSE PRACTITIONER | 93 | 48,083 | $2,120,959 | $44 | premium | 5.7% | (256) 705-4224 |
| 13 | COMMUNITY MEDICAL ASSOCIATES INC | LOUISVILLE | KY | NURSE PRACTITIONER | 1377 | 39,986 | $1,449,927 | $36 | premium | 26.8% | (502) 937-2209 |
| 14 | CENTRAL ARKANSAS RADIATION THERAPY INSTITUTE INC | LITTLE ROCK | AR | HEMATOLOGY/ONCOLOGY | 90 | 38,399 | $1,267,492 | $33 | premium | 18.1% | — |
| 15 | MAYO CLINIC ARIZONA | PHOENIX | AZ | PHYSICIAN ASSISTANT | 1635 | 31,886 | $11,957,250 | $375 | premium | 3.0% | (800) 603-0558 |
| 16 | ARIZONA COMMUNITY PHYSICIANS PC | TUCSON | AZ | FAMILY PRACTICE | 163 | 31,306 | $1,721,291 | $55 | premium | 2.9% | (520) 547-5725 |
| 17 | ROCKY MOUNTAIN CANCER CENTERS LLP | COLORADO SPRINGS | CO | NURSE PRACTITIONER | 129 | 30,903 | $1,915,986 | $62 | premium | 12.9% | (719) 577-2555 |
| 18 | ALLISON CURTIS KINGSLEY MEOZ MICHAEL AND SANCHEZ PC | LAS VEGAS | NV | NURSE PRACTITIONER | 71 | 28,002 | $1,736,124 | $62 | premium | 11.8% | (702) 952-2140 |
| 19 | CENTRAL OHIO PRIMARY CARE PHYSICIANS, INC. | COLUMBUS | OH | INTERNAL MEDICINE | 495 | 27,910 | $697,750 | $25 | premium | 2.9% | (614) 451-9612 |
| 20 | MCFARLAND CLINIC PC | AMES | IA | PHYSICIAN ASSISTANT | 352 | 26,534 | $1,087,894 | $41 | premium | 19.3% | (515) 239-4400 |
| 21 | CONSOLIDATED MEDICAL PRACTICES OF MEMPHIS,PLLC | MEMPHIS | TN | NURSE PRACTITIONER | 114 | 25,904 | $1,138,216 | $44 | premium | 2.8% | (901) 261-0700 |
| 22 | HIGHLANDS ONCOLOGY GROUP PA | FAYETTEVILLE | AR | NURSE PRACTITIONER | 79 | 25,508 | $962,460 | $38 | premium | 12.0% | (479) 361-2585 |
| 23 | CRYSTAL RUN HEALTHCARE PHYSICIANS LLP | MIDDLETOWN | NY | NURSE PRACTITIONER | 372 | 25,493 | $916,708 | $36 | premium | 2.1% | (845) 703-6999 |
| 24 | SUMMIT MEDICAL GROUP PA | BERKELEY HEIGHTS | NJ | PHYSICIAN ASSISTANT | 1183 | 23,734 | $948,779 | $40 | premium | 0.8% | (908) 273-4300 |
| 25 | CEDARS-SINAI MEDICAL CARE FOUNDATION | LOS ANGELES | CA | PHYSICIAN ASSISTANT | 1699 | 23,313 | $862,731 | $37 | premium | 0.8% | (310) 423-0674 |
| 26 | ONCOLOGY-HEMATOLOGY ASSOCIATES OF CENTRAL ILLINOIS P C | PEORIA | IL | NURSE PRACTITIONER | 62 | 23,105 | $1,847,519 | $80 | premium | 3.1% | (309) 243-3000 |
| 27 | NEW YORK ONCOLOGY HEMATOLOGY PC | ALBANY | NY | NURSE PRACTITIONER | 83 | 22,635 | $1,358,100 | $60 | premium | 1.9% | (518) 262-6696 |
| 28 | TIDEWATER PHYSICIANS MULTISPECIALTY GROUP, PC | NEWPORT NEWS | VA | FAMILY PRACTICE | 274 | 22,276 | $846,450 | $38 | premium | 3.7% | (757) 595-9880 |
| 29 | TENNESSEE CANCER SPECIALISTS PLLC | KNOXVILLE | TN | NURSE PRACTITIONER | 65 | 22,016 | $1,522,917 | $69 | premium | 2.4% | (865) 934-5800 |
| 30 | MARYLAND PRIMARY CARE PHYSICIANS, LLC | ARNOLD | MD | NURSE PRACTITIONER | 100 | 21,808 | $764,285 | $35 | premium | 3.9% | (410) 757-7600 |
| 31 | NOVANT HEALTH MEDICAL GROUP COASTAL REGION LLC | WILMINGTON | NC | PHYSICIAN ASSISTANT | 560 | 21,205 | $933,020 | $44 | premium | 1.0% | (910) 662-6000 |
| 32 | COMMUNITY CARE PHYSICIANS PLLC | LATHAM | NY | DIAGNOSTIC RADIOLOGY | 370 | 20,151 | $644,832 | $32 | premium | 1.6% | (518) 782-3700 |
| 33 | NORTH MISSISSIPPI MEDICAL CLINICS INC | TUPELO | MS | FAMILY PRACTICE | 121 | 20,009 | $1,180,210 | $59 | premium | 10.8% | (662) 377-5300 |
| 34 | CANCER SPECIALISTS LLC | JACKSONVILLE | FL | HEMATOLOGY/ONCOLOGY | 46 | 19,994 | $564,690 | $28 | premium | 0.7% | (904) 516-3737 |
| 35 | VIRGINIA CANCER SPECIALISTS, P.C. | FAIRFAX | VA | HEMATOLOGY/ONCOLOGY | 76 | 19,893 | $1,233,366 | $62 | premium | 3.3% | (703) 280-5390 |
| 36 | AUSTIN REGIONAL CLINIC PA | AUSTIN | TX | FAMILY PRACTICE | 389 | 19,606 | $920,915 | $47 | premium | 0.7% | (512) 346-6611 |
| 37 | CALIFORNIA CANCER ASSOCIATES FOR RESEARCH AND EXCELLENCE INC | FRESNO | CA | HEMATOLOGY/ONCOLOGY | 62 | 19,026 | $513,702 | $27 | premium | 0.7% | (559) 326-1222 |
| 38 | REVERE HEALTH PC | PROVO | UT | PHYSICIAN ASSISTANT | 410 | 18,868 | $432,407 | $23 | premium | 17.8% | — |
| 39 | JACKSON ONCOLOGY ASSOCIATES | JACKSON | MS | HEMATOLOGY/ONCOLOGY | 11 | 18,070 | $1,807,000 | $100 | premium | 9.7% | (601) 974-5600 |
| 40 | BAPTIST MEMORIAL MEDICAL GROUP, INC. | MEMPHIS | TN | NURSE PRACTITIONER | 549 | 18,062 | $686,504 | $38 | premium | 2.0% | (901) 226-3882 |
| 41 | WILMINGTON HEALTH PLLC | WILMINGTON | NC | PHYSICIAN ASSISTANT | 393 | 18,058 | $1,083,304 | $60 | premium | 0.9% | (910) 341-1540 |
| 42 | HERITAGE MEDICAL ASSOCIATES PC | NASHVILLE | TN | INTERNAL MEDICINE | 166 | 17,588 | $615,580 | $35 | premium | 1.9% | (629) 255-2115 |
| 43 | BATON ROUGE CLINIC, A MEDICAL CORPORATION | BATON ROUGE | LA | INTERNAL MEDICINE | 289 | 17,206 | $841,291 | $49 | premium | 8.5% | (225) 246-9790 |
| 44 | ATRIUS HEALTH INC | BOSTON | MA | NURSE PRACTITIONER | 1196 | 17,118 | $736,074 | $43 | premium | 3.3% | (617) 421-1000 |
| 45 | ARIZONA ARTHRITIS AND RHEUMATOLOGY ASSOCIATES P C | PHOENIX | AZ | RHEUMATOLOGY | 41 | 16,898 | $371,745 | $22 | premium | 1.6% | (480) 443-8400 |
| 46 | ONCOLOGY AND HEMATOLOGY ASSOCIATES OF SOUTHWEST VIRGINIA INC | ROANOKE | VA | NURSE PRACTITIONER | 52 | 16,755 | $1,038,810 | $62 | premium | 2.8% | (540) 982-0237 |
| 47 | MEDICAL CLINIC OF NORTH TEXAS, PLLC | HURST | TX | FAMILY PRACTICE | 218 | 16,711 | $484,665 | $29 | premium | 0.6% | (817) 514-4000 |
| 48 | GRAVES GILBERT CLINIC PLLC | BOWLING GREEN | KY | NURSE PRACTITIONER | 221 | 16,077 | $562,726 | $35 | premium | 10.8% | (270) 781-4043 |
| 49 | BIRMINGHAM HEMATOLOGY ONCOLOGY ASSOC LLC | BIRMINGHAM | AL | MEDICAL ONCOLOGY | 31 | 16,024 | $624,936 | $39 | premium | 1.9% | (205) 592-5077 |
| 50 | AMARILLO MEDICAL SPECIALISTS,LLP | AMARILLO | TX | NURSE PRACTITIONER | 37 | 15,851 | $376,902 | $24 | premium | 0.6% | (806) 358-8331 |
| 51 | MINNESOTA ONCOLOGY HEMATOLOGY PA | EDINA | MN | PHYSICIAN ASSISTANT | 135 | 15,532 | $962,984 | $62 | premium | 10.6% | (952) 928-2900 |
| 52 | RIVERSIDE PHYSICIAN SERVICES INC | NEWPORT NEWS | VA | PHYSICIAN ASSISTANT | 793 | 15,273 | $428,034 | $28 | premium | 2.6% | — |
| 53 | JACKSON CLINIC PA | JACKSON | TN | NURSE PRACTITIONER | 183 | 14,891 | $357,384 | $24 | premium | 1.6% | (731) 422-0213 |
| 54 | COVENANT MEDICAL GROUP INC | KNOXVILLE | TN | NURSE PRACTITIONER | 333 | 14,826 | $458,452 | $31 | premium | 1.6% | (865) 632-5885 |
| 55 | STATE OF FRANKLIN HEALTHCARE ASSOCIATES, PLLC | JOHNSON CITY | TN | NURSE PRACTITIONER | 279 | 14,569 | $278,371 | $19 | premium | 1.6% | (423) 926-8181 |
| 56 | CANCER CARE SPECIALISTS OF CENTRAL ILLINOIS SC | DECATUR | IL | HEMATOLOGY/ONCOLOGY | 30 | 14,411 | $1,051,952 | $73 | premium | 1.9% | (217) 876-4700 |
| 57 | PROHEALTH PHYSICIANS PC | WALLINGFORD | CT | PHYSICIAN ASSISTANT | 215 | 14,387 | $503,545 | $35 | premium | 27.2% | (203) 265-9600 |
| 58 | ADVOCATE HEALTH AND HOSPITALS CORPORATION | BUFFALO GROVE | IL | NURSE PRACTITIONER | 3045 | 14,348 | $1,102,638 | $77 | premium | 1.9% | (847) 459-1160 |
| 59 | CANCER CENTER OF KANSAS PA | WICHITA | KS | HEMATOLOGY/ONCOLOGY | 27 | 14,342 | $889,204 | $62 | premium | 2.3% | (316) 262-4467 |
| 60 | ST VINCENT MEDICAL GROUP | LITTLE ROCK | AR | FAMILY PRACTICE | 247 | 14,317 | $429,510 | $30 | premium | 6.7% | (501) 562-4838 |
| 61 | HEMATOLOGY-ONCOLOGY ASSOCIATES OF CNY, PC | EAST SYRACUSE | NY | NURSE PRACTITIONER | 61 | 14,168 | $439,208 | $31 | premium | 1.2% | (315) 472-7504 |
| 62 | ALLINA HEALTH SYSTEM | MINNEAPOLIS | MN | PHYSICIAN ASSISTANT | 3855 | 13,998 | $817,437 | $58 | premium | 9.6% | (612) 863-4000 |
| 63 | WASHINGTON UNIVERSITY | SAINT LOUIS | MO | NURSE PRACTITIONER | 3070 | 13,532 | $1,203,284 | $89 | premium | 6.8% | (314) 747-3000 |
| 64 | STRAND PHYSICIAN SPECIALISTS PA | MYRTLE BEACH | SC | PHYSICIAN ASSISTANT | 55 | 13,482 | $2,219,058 | $165 | premium | 6.6% | (843) 497-5929 |
| 65 | PRIVIA MEDICAL GROUP GULF COAST PLLC | HOUSTON | TX | NURSE PRACTITIONER | 515 | 13,346 | $573,878 | $43 | premium | 0.5% | (713) 512-7500 |
| 66 | LOUDOUN MEDICAL GROUP, PC | LEESBURG | VA | NURSE PRACTITIONER | 293 | 13,067 | $1,295,892 | $99 | premium | 2.2% | (703) 437-0001 |
| 67 | CHRISTIE CLINIC, PLLC | CHAMPAIGN | IL | INTERNAL MEDICINE | 220 | 13,041 | $1,424,526 | $109 | premium | 1.7% | (217) 366-1200 |
| 68 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 12,932 | $892,250 | $69 | premium | 0.5% | (415) 600-1020 |
| 69 | MEDSTAR MEDICAL GROUP - SOUTHERN MARYLAND LLC | HOLLYWOOD | MD | INTERNAL MEDICINE | 236 | 12,602 | $554,488 | $44 | premium | 2.3% | — |
| 70 | BEACON MEDICAL GROUP INC | SOUTH BEND | IN | NURSE PRACTITIONER | 575 | 12,513 | $355,617 | $28 | premium | 7.2% | (574) 647-7275 |
| 71 | LEXINGTON HEALTH INC | WEST COLUMBIA | SC | NURSE PRACTITIONER | 909 | 12,327 | $752,706 | $61 | premium | 6.0% | (803) 744-4900 |
| 72 | THE IOWA CLINIC PC | WEST DES MOINES | IA | PHYSICIAN ASSISTANT | 302 | 12,236 | $430,236 | $35 | premium | 8.9% | (515) 343-1000 |
| 73 | HORIZON MEDICAL GROUP PC | CHESTER | NY | GASTROENTEROLOGY | 69 | 12,212 | $326,305 | $27 | premium | 1.0% | (845) 469-4211 |
| 74 | ONCOLOGY HEMATOLOGY CARE INC | CINCINNATI | OH | NURSE PRACTITIONER | 66 | 12,081 | $749,022 | $62 | premium | 1.3% | (513) 751-2273 |
| 75 | UNIVERSITY OF TEXAS HEALTH SCIENCE CENTER AT SAN ANTONIO | SAN ANTONIO | TX | PHYSICIAN ASSISTANT | 1326 | 12,057 | $387,808 | $32 | premium | 0.4% | (210) 450-7044 |
| 76 | NORTHWEST ONCOLOGY AND HEMATOLOGY SC | ROLLING MEADOWS | IL | HEMATOLOGY/ONCOLOGY | 22 | 12,016 | $779,477 | $65 | premium | 1.6% | (847) 870-4100 |
| 77 | UNIVERSITY CANCER AND BLOOD CENTER LLC | ATHENS | GA | NURSE PRACTITIONER | 56 | 11,897 | $788,652 | $66 | premium | 1.6% | (706) 353-2990 |
| 78 | TEXAS HEALTH CARE PLLC | FORT WORTH | TX | NURSE PRACTITIONER | 364 | 11,818 | $648,126 | $55 | premium | 0.4% | (817) 920-0484 |
| 79 | HARBIN CLINIC LLC | ROME | GA | NURSE PRACTITIONER | 252 | 11,564 | $693,840 | $60 | premium | 1.6% | (762) 235-3340 |
| 80 | PRIVIA MEDICAL GROUP OF GEORGIA LLC | FAYETTEVILLE | GA | NURSE PRACTITIONER | 453 | 11,543 | $494,989 | $43 | premium | 1.6% | — |
| 81 | WHITE-WILSON MEDICAL CENTER PA | FORT WALTON BEACH | FL | NURSE PRACTITIONER | 45 | 11,500 | $494,500 | $43 | premium | 0.4% | (850) 863-8150 |
| 82 | COLLOM AND CARNEY CLINIC ASSOCIATION | TEXARKANA | TX | PHYSICIAN ASSISTANT | 53 | 11,254 | $1,181,670 | $105 | premium | 0.4% | (903) 614-3200 |
| 83 | ONCOLOGY HEMATOLOGY WEST PC | OMAHA | NE | PHYSICIAN ASSISTANT | 55 | 11,209 | $446,640 | $40 | premium | 9.4% | (402) 393-3110 |
| 84 | DIABETES AND GLANDULAR DISEASE CLINIC PA | SAN ANTONIO | TX | ENDOCRINOLOGY | 9 | 11,056 | $320,403 | $29 | premium | 0.4% | (210) 614-8612 |
| 85 | STATE UNIVERSITY OF IOWA | IOWA CITY | IA | PHYSICIAN ASSISTANT | 1902 | 10,995 | $386,465 | $35 | premium | 8.0% | (319) 678-8201 |
| 86 | PINEHURST MEDICAL CLINIC INC | PINEHURST | NC | PHYSICIAN ASSISTANT | 156 | 10,720 | $825,440 | $77 | premium | 0.5% | (910) 295-5511 |
| 87 | PIEDMONT HEALTHCARE PA | STATESVILLE | NC | PHYSICIAN ASSISTANT | 226 | 10,713 | $576,504 | $54 | premium | 0.5% | (704) 838-8210 |
| 88 | PRIVIA MEDICAL GROUP, LLC | ARLINGTON | VA | NURSE PRACTITIONER | 1477 | 10,683 | $303,675 | $28 | premium | 1.8% | — |
| 89 | SOUTH TEXAS ONCOLOGY AND HEMATOLOGY, PLLC | SAN ANTONIO | TX | HEMATOLOGY/ONCOLOGY | 39 | 10,625 | $336,600 | $32 | premium | 0.4% | (210) 593-5700 |
| 90 | GALEN MEDICAL GROUP, PC | CHATTANOOGA | TN | NURSE PRACTITIONER | 123 | 10,451 | $647,860 | $62 | premium | 1.1% | (423) 643-2500 |
| 91 | NORTHEAST GEORGIA DIAGNOSTIC ASSOCIATES AND CLINIC, LLC | GAINESVILLE | GA | PHYSICIAN ASSISTANT | 83 | 10,244 | $378,673 | $37 | premium | 1.4% | (770) 536-9864 |
| 92 | MIDDLETOWN MEDICAL PC | MIDDLETOWN | NY | NURSE PRACTITIONER | 172 | 10,230 | $112,811 | $11 | premium | 0.8% | (845) 342-4774 |
| 93 | AUGUSTA ONCOLOGY ASSOCIATES PC | AUGUSTA | GA | HEMATOLOGY/ONCOLOGY | 36 | 10,083 | $893,520 | $89 | premium | 1.4% | 7067361830213 |
| 94 | ASSOCIATED CLINICIANS OF EAST TEXAS | LONGVIEW | TX | PHYSICIAN ASSISTANT | 107 | 10,017 | $1,051,785 | $105 | premium | 0.4% | — |
| 95 | JEFFERSON CITY MEDICAL GROUP PC | JEFFERSON CITY | MO | NURSE PRACTITIONER | 115 | 10,008 | $320,256 | $32 | premium | 5.0% | (573) 556-5771 |
| 96 | CLEVELAND CLINIC | CLEVELAND | OH | PHYSICIAN ASSISTANT | 6828 | 10,000 | $986,780 | $99 | premium | 1.0% | — |
| 97 | MURFREESBORO MEDICAL CLINIC, P.A. | MURFREESBORO | TN | NURSE PRACTITIONER | 172 | 9,989 | $329,637 | $33 | premium | 1.1% | (615) 867-7925 |
| 98 | CALVERT INTERNAL MEDICINE GROUP, PA | PRINCE FREDERICK | MD | NURSE PRACTITIONER | 39 | 9,951 | $398,040 | $40 | premium | 1.8% | (410) 535-2005 |
| 99 | OPTUM CARE WASHINGTON PLLC | EVERETT | WA | PHYSICIAN ASSISTANT | 695 | 9,949 | $222,584 | $22 | premium | 2.2% | (425) 339-5442 |
| 100 | PRINCETON MEDICAL GROUP,P.A. | PRINCETON | NJ | INTERNAL MEDICINE | 36 | 9,892 | $1,246,392 | $126 | premium | 0.3% | (609) 924-9300 |
Showing the top 100 of 2,146 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 →