523,133 observed fee-for-service (50%) · ~523,437 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 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 | 94010 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 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | NY | PHYSICIAN ASSISTANT | 6294 | 9,487 | $1,683,317 | $177 | premium | 12.0% | — |
| 2 | INOVA HEALTH CARE SERVICES | FALLS CHURCH | VA | NURSE PRACTITIONER | 1818 | 7,929 | $650,394 | $82 | premium | 22.8% | — |
| 3 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 6,405 | $1,525,544 | $238 | premium | 8.1% | (212) 263-9700 |
| 4 | JACKSON PULMONARY ASSOCIATES, PA | JACKSON | MS | NURSE PRACTITIONER | 32 | 5,604 | $772,460 | $138 | premium | 29.2% | (601) 981-9503 |
| 5 | CLEVELAND CLINIC | CLEVELAND | OH | PHYSICIAN ASSISTANT | 6828 | 5,171 | $397,951 | $77 | premium | 26.3% | — |
| 6 | NORTH SHORE LIJ INTERNAL MEDICINE AT NEW HYDE PARK PC | NEW HYDE PARK | NY | PULMONARY DISEASE | 6 | 4,859 | $907,610 | $187 | premium | 6.2% | (516) 326-0707 |
| 7 | UNIVERSITY OF PENN - MEDICAL GROUP | PHILADELPHIA | PA | PHYSICIAN ASSISTANT | 3505 | 4,007 | $921,189 | $230 | premium | 12.3% | (215) 662-2777 |
| 8 | WASHINGTON UNIVERSITY | SAINT LOUIS | MO | NURSE PRACTITIONER | 3070 | 3,854 | $490,223 | $127 | premium | 26.6% | (314) 747-3000 |
| 9 | PULMONOLOGY ASSOCIATES INC | PAOLI | PA | PULMONARY DISEASE | 18 | 3,854 | $303,200 | $79 | premium | 11.9% | (610) 648-0553 |
| 10 | ARIZONA PULMONARY SPECIALISTS LTD | SCOTTSDALE | AZ | CRITICAL CARE (INTENSIVISTS) | 44 | 3,692 | $221,520 | $60 | premium | 21.8% | (602) 261-7830 |
| 11 | REGENTS OF THE UNIVERSITY OF MICHIGAN | ANN ARBOR | MI | INTERNAL MEDICINE | 3330 | 3,598 | $244,664 | $68 | premium | 16.9% | (734) 763-5459 |
| 12 | PULMONARY ASSOCIATES OF SOUTHSIDE VIRGINIA, INC | SOUTH BOSTON | VA | PHYSICIAN ASSISTANT | 16 | 3,585 | $117,345 | $33 | premium | 10.3% | (434) 575-5864 |
| 13 | SHORE PULMONARY, PA | BRICK | NJ | PULMONARY DISEASE | 18 | 3,558 | $142,309 | $40 | premium | 11.0% | (732) 775-9075 |
| 14 | HATTIESBURG CLINIC PA | HATTIESBURG | MS | FAMILY PRACTICE | 530 | 3,525 | $612,415 | $174 | premium | 18.3% | (601) 264-6000 |
| 15 | VANDERBILT UNIVERSITY MEDICAL CENTER | NASHVILLE | TN | NURSE PRACTITIONER | 3394 | 3,434 | $184,316 | $54 | premium | 12.6% | (615) 322-5000 |
| 16 | UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL CENTER AT DALLAS | DALLAS | TX | PHYSICIAN ASSISTANT | 3200 | 3,405 | $124,993 | $37 | premium | 5.1% | (214) 633-5555 |
| 17 | CHS PHYSICIAN PARTNERS PC | ROSLYN | NY | PHYSICIAN ASSISTANT | 734 | 3,317 | $304,611 | $92 | premium | 4.2% | — |
| 18 | UNIVERSITY OF WISCONSIN MEDICAL FOUNDATION INC | MADISON | WI | PHYSICIAN ASSISTANT | 2523 | 3,152 | $508,740 | $161 | premium | 28.2% | (608) 287-2050 |
| 19 | UNIVERSITY OF VIRGINIA PHYSICIANS GROUP | CHARLOTTESVILLE | VA | NURSE PRACTITIONER | 1704 | 2,882 | $89,342 | $31 | premium | 8.3% | (434) 924-5959 |
| 20 | STANFORD HEALTH CARE | STANFORD | CA | DIAGNOSTIC RADIOLOGY | 3039 | 2,813 | $200,991 | $71 | premium | 4.8% | (650) 723-4000 |
| 21 | UNIVERSITY OF ALABAMA HEALTH SERVICES FOUNDATION, PC | BIRMINGHAM | AL | NURSE PRACTITIONER | 2788 | 2,800 | $89,031 | $32 | premium | 21.1% | (205) 934-3460 |
| 22 | MID-SOUTH PULMONARY SPECIALISTS PC | MEMPHIS | TN | NURSE PRACTITIONER | 47 | 2,799 | $517,815 | $185 | premium | 10.3% | (901) 276-2662 |
| 23 | PRACTICE ASSOCIATES MEDICAL GROUP | MORRISTOWN | NJ | NURSE PRACTITIONER | 1404 | 2,763 | $158,840 | $57 | premium | 8.5% | (973) 971-5596 |
| 24 | MAYO CLINIC JACKSONVILLE | JACKSONVILLE | FL | NURSE PRACTITIONER | 1587 | 2,696 | $569,060 | $211 | premium | 5.9% | (904) 953-2000 |
| 25 | THE REGENTS OF THE UNIVERSITY OF CALIFORNIA | LOS ANGELES | CA | INTERNAL MEDICINE | 1424 | 2,694 | $237,944 | $88 | premium | 4.6% | (310) 825-7922 |
| 26 | PRIVIA MEDICAL GROUP, LLC | ARLINGTON | MD | NURSE PRACTITIONER | 1477 | 2,629 | $277,271 | $105 | premium | 9.6% | — |
| 27 | HEALTHTEXAS PROVIDER NETWORK | DALLAS | TX | PHYSICIAN ASSISTANT | 2482 | 2,459 | $82,484 | $34 | premium | 3.7% | — |
| 28 | UCSF HEALTH MEDICAL FOUNDATION | REDWOOD CITY | CA | OBSTETRICS/GYNECOLOGY | 39 | 2,371 | $329,569 | $139 | premium | 4.0% | (650) 701-1882 |
| 29 | JOHNS HOPKINS UNIVERSITY | BALTIMORE | MD | NURSE PRACTITIONER | 2900 | 2,331 | $244,248 | $105 | premium | 8.5% | (410) 502-4340 |
| 30 | PULMONARY AND SLEEP OF TAMPA BAY PL | TAMPA | FL | NURSE PRACTITIONER | 10 | 2,309 | $147,776 | $64 | premium | 5.1% | (813) 654-8100 |
| 31 | NORMAN REGIONAL PROVIDERS SPECIALTY CARE | NORMAN | OK | NURSE PRACTITIONER | 162 | 2,298 | $171,167 | $74 | premium | 24.4% | (405) 307-5700 |
| 32 | UNIVERSITY MEDICAL ASSOCIATES OF THE MEDICAL UNIVERSITY OF SOUTH CAROL | CHARLESTON | SC | PHYSICIAN ASSISTANT | 1692 | 2,238 | $272,768 | $122 | premium | 10.5% | (843) 792-1414 |
| 33 | KANSAS UNIVERSITY PHYSICIANS INC | KANSAS CITY | KS | NURSE PRACTITIONER | 1815 | 2,200 | $245,505 | $112 | premium | 28.0% | (913) 588-1227 |
| 34 | THE IOWA CLINIC PC | WEST DES MOINES | IA | PHYSICIAN ASSISTANT | 302 | 2,126 | $228,935 | $108 | premium | 19.9% | (515) 343-1000 |
| 35 | REGENTS OF THE UNIVERSITY OF CALIFORNIA | SAN DIEGO | CA | DIAGNOSTIC RADIOLOGY | 2057 | 2,104 | $199,983 | $95 | premium | 3.6% | (800) 926-8273 |
| 36 | ADVANCED PULMONARY AND SLEEP ASSOCIATES PC | WEST CHESTER | PA | NURSE PRACTITIONER | 4 | 2,075 | $178,470 | $86 | premium | 6.4% | (610) 692-6330 |
| 37 | PHYSICIANS REFERRAL SERVICE | HOUSTON | TX | NURSE PRACTITIONER | 2696 | 2,051 | $294,998 | $144 | premium | 3.1% | (713) 592-5433 |
| 38 | BRIGHAM AND WOMENS PHYSICIANS ORGANIZATION INC | BOSTON | MA | PHYSICIAN ASSISTANT | 2942 | 2,046 | $168,101 | $82 | premium | 11.3% | (617) 732-5500 |
| 39 | SJHMC PHYSICIAN SERVICES | PHOENIX | AZ | NURSE PRACTITIONER | 690 | 2,008 | $164,492 | $82 | premium | 11.9% | (602) 406-6017 |
| 40 | BAZ ALLERGY ASTHMA AND SINUS CENTER INC | FRESNO | CA | PHYSICIAN ASSISTANT | 23 | 1,907 | $133,490 | $70 | premium | 3.2% | (559) 436-4500 |
| 41 | NORTHWEST IOWA HOSPITAL CORPORATION | SIOUX CITY | IA | NURSE PRACTITIONER | 117 | 1,879 | $42,584 | $23 | premium | 17.6% | (712) 279-3500 |
| 42 | PROSPECT CT MEDICAL FOUNDATION INC | MANCHESTER | CT | INTERNAL MEDICINE | 294 | 1,873 | $122,863 | $66 | premium | 21.5% | (860) 649-7557 |
| 43 | STATE UNIVERSITY OF IOWA | IOWA CITY | IA | PHYSICIAN ASSISTANT | 1902 | 1,865 | $162,129 | $87 | premium | 17.4% | (319) 678-8201 |
| 44 | ST JOSEPHS MEDICAL PC | LIVERPOOL | NY | PHYSICIAN ASSISTANT | 378 | 1,828 | $97,821 | $54 | premium | 2.3% | (315) 475-8402 |
| 45 | MISSISSIPPI ASTHMA AND ALLERGY CLINIC PA | JACKSON | MS | ALLERGY/IMMUNOLOGY | 15 | 1,809 | $135,675 | $75 | premium | 9.4% | (601) 354-4836 |
| 46 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 1,776 | $225,006 | $127 | premium | 11.1% | — |
| 47 | TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK | NEW YORK | NY | NURSE PRACTITIONER | 2273 | 1,762 | $222,080 | $126 | premium | 2.2% | (212) 305-8559 |
| 48 | ARKANSAS HEALTH GROUP | LITTLE ROCK | AR | CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) | 666 | 1,760 | $125,972 | $72 | premium | 18.6% | (501) 202-2093 |
| 49 | CEDARS-SINAI MEDICAL CARE FOUNDATION | LOS ANGELES | CA | PHYSICIAN ASSISTANT | 1699 | 1,707 | $191,368 | $112 | premium | 2.9% | (310) 423-0674 |
| 50 | PULMONARY CRITICAL CARE AND SLEEP MEDICINE CONSULTANTS, LLP | HOUSTON | TX | PULMONARY DISEASE | 7 | 1,689 | $118,230 | $70 | premium | 2.5% | (713) 255-4000 |
| 51 | MID ATLANTIC PULMONARY CRITICAL CARE AND SLEEP PC | WESTMINSTER | MD | NURSE PRACTITIONER | 3 | 1,686 | $128,706 | $76 | premium | 6.1% | (410) 843-3858 |
| 52 | MISSION HEALTH COMMUNITY MULTISPECIALTY PROVIDERS LLC | ASHEVILLE | NC | PHYSICIAN ASSISTANT | 593 | 1,663 | $161,131 | $97 | premium | 7.9% | (828) 213-1740 |
| 53 | PRISMA HEALTH UNIVERSITY MEDICAL GROUP | GREENVILLE | SC | NURSE PRACTITIONER | 2447 | 1,659 | $204,000 | $123 | premium | 7.7% | — |
| 54 | ENDEAVOR HEALTH MEDICAL GROUP | EVANSTON | IL | NURSE PRACTITIONER | 3380 | 1,609 | $65,412 | $41 | premium | 10.0% | — |
| 55 | TEMPLE FACULTY PRACTICE PLAN INC | PHILADELPHIA | PA | PHYSICIAN ASSISTANT | 1330 | 1,594 | $77,640 | $49 | premium | 4.9% | — |
| 56 | FLORIDA CLINICAL PRACTICE ASSOCIATION INC | GAINESVILLE | FL | NURSE PRACTITIONER | 1912 | 1,589 | $75,053 | $47 | premium | 3.5% | (352) 265-8990 |
| 57 | UPPER CHESAPEAKE CRITICAL CARE ASSOCIATES, LLC | BEL AIR | MD | NURSE PRACTITIONER | 26 | 1,574 | $110,180 | $70 | premium | 5.7% | (410) 638-7544 |
| 58 | HENRY FORD HEALTH SYSTEM | DETROIT | MI | PHYSICIAN ASSISTANT | 2536 | 1,556 | $42,112 | $27 | premium | 7.3% | (313) 916-2600 |
| 59 | ST PAUL PLACE SPECIALISTS, INC. | BALTIMORE | MD | PHYSICIAN ASSISTANT | 337 | 1,538 | $92,553 | $60 | premium | 5.6% | (410) 663-8100 |
| 60 | ATLANTA ALLERGY AND ASTHMA CLINIC PA | CANTON | GA | ALLERGY/IMMUNOLOGY | 46 | 1,536 | $246,835 | $161 | premium | 6.2% | (770) 720-8000 |
| 61 | MEMORIAL HEALTH PARTNERS FOUNDATION, INC | CHATTANOOGA | TN | NURSE PRACTITIONER | 459 | 1,532 | $100,924 | $66 | premium | 5.6% | (423) 495-2620 |
| 62 | COGENT HEALTHCARE OF TEXAS PA | AUSTIN | TX | INTERNAL MEDICINE | 115 | 1,530 | $289,371 | $189 | premium | 2.3% | (512) 901-1000 |
| 63 | TEMPLE PHYSICIANS INC | PHILADELPHIA | PA | PHYSICIAN ASSISTANT | 160 | 1,530 | $196,784 | $129 | premium | 4.7% | — |
| 64 | HARVARD MEDICAL FACULTY PHYS AT BETH ISRAEL DEACONESS MED CTR INC | BOSTON | MA | INTERNAL MEDICINE | 1689 | 1,502 | $40,554 | $27 | premium | 8.3% | (781) 983-9088 |
| 65 | THE ASSOCIATION OF UNIVERSITY PHYSICIANS | SEATTLE | WA | PHYSICIAN ASSISTANT | 3612 | 1,479 | $36,434 | $25 | premium | 19.2% | (206) 364-0500 |
| 66 | ATHENS PULMONARY AND ALLERGY, P.C. | ATHENS | GA | PULMONARY DISEASE | 22 | 1,476 | $132,840 | $90 | premium | 6.0% | 7065495560223 |
| 67 | STATCARE OUTPATIENT LLC | KNOXVILLE | TN | PULMONARY DISEASE | 41 | 1,459 | $132,244 | $91 | premium | 5.3% | — |
| 68 | VIRTUA MEDICAL GROUP, PA | VOORHEES | NJ | PHYSICIAN ASSISTANT | 1662 | 1,452 | $152,414 | $105 | premium | 4.5% | (856) 247-7260 |
| 69 | LOUISVILLE PULMONARY CARE PLLC | LOUISVILLE | KY | PULMONARY DISEASE | 16 | 1,449 | $121,534 | $84 | premium | 14.4% | (502) 899-7377 |
| 70 | UNIVERSITY OF MARYLAND ST JOSEPH MEDICAL GROUP LLC | TOWSON | MD | NURSE PRACTITIONER | 292 | 1,448 | $118,722 | $82 | premium | 5.3% | (410) 337-4877 |
| 71 | RESPACARE PA | BRIDGEWATER | NJ | PULMONARY DISEASE | 2 | 1,445 | $364,140 | $252 | premium | 4.5% | (732) 356-9950 |
| 72 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 1,441 | $190,309 | $132 | premium | 2.5% | (916) 681-8852 |
| 73 | SCRIPPS HEALTH | LA JOLLA | CA | PHYSICIAN ASSISTANT | 1431 | 1,441 | $141,111 | $98 | premium | 2.5% | (858) 455-9100 |
| 74 | ALLINA HEALTH SYSTEM | MINNEAPOLIS | MN | PHYSICIAN ASSISTANT | 3855 | 1,435 | $132,862 | $93 | premium | 15.0% | (612) 863-4000 |
| 75 | HH PHYSICIANS NETWORK | HUNTSVILLE | AL | PULMONARY DISEASE | 105 | 1,425 | $100,775 | $71 | premium | 10.7% | (256) 265-8553 |
| 76 | PHOENIX MEDICAL GROUP PC | PEORIA | AZ | PULMONARY DISEASE | 4 | 1,416 | $66,552 | $47 | premium | 8.4% | (623) 815-7800 |
| 77 | UNIVERSITY OF UTAH ADULT SERVICES | SALT LAKE CITY | UT | PHYSICIAN ASSISTANT | 1783 | 1,407 | $28,238 | $20 | premium | 33.4% | (801) 581-2121 |
| 78 | SPECTRUM HEALTH PRIMARY CARE PARTNERS | GRAND RAPIDS | MI | PHYSICIAN ASSISTANT | 2255 | 1,385 | $63,245 | $46 | premium | 6.5% | (616) 885-5000 |
| 79 | INTEGRIS AMBULATORY CARE CORPORATION | OKLAHOMA CITY | OK | PHYSICIAN ASSISTANT | 698 | 1,384 | $123,448 | $89 | premium | 14.7% | (405) 751-5555 |
| 80 | NORTHSIDE PRIMARY CARE PROFESSIONAL SERVICES,LLC | SUWANEE | GA | PHYSICIAN ASSISTANT | 314 | 1,377 | $98,208 | $71 | premium | 5.6% | (678) 474-9633 |
| 81 | TN LUNG AND SLEEP CENTER LLC | COOKEVILLE | TN | INTERNAL MEDICINE | 2 | 1,354 | $101,920 | $75 | premium | 5.0% | (931) 202-3697 |
| 82 | NORTHEAST MEDICAL GROUP INC | NEW HAVEN | CT | PHYSICIAN ASSISTANT | 1380 | 1,348 | $141,540 | $105 | premium | 15.5% | — |
| 83 | PULMONARY CRITICAL CARE AND SLEEP PHYSICIANS OF THE MAIN LINE PC | MEDIA | PA | PULMONARY DISEASE | 7 | 1,347 | $121,230 | $90 | premium | 4.1% | (484) 442-8235 |
| 84 | MAYO CLINIC ARIZONA | PHOENIX | AZ | PHYSICIAN ASSISTANT | 1635 | 1,328 | $154,335 | $116 | premium | 7.8% | (800) 603-0558 |
| 85 | LAWRENCE MEDICAL ASSOCIATES PC | BRONXVILLE | NY | INTERNAL MEDICINE | 231 | 1,324 | $190,656 | $144 | premium | 1.7% | (914) 787-1000 |
| 86 | MILLENNIUM PHYSICIAN GROUP LLC | PORT CHARLOTTE | FL | PHYSICIAN ASSISTANT | 953 | 1,306 | $72,173 | $55 | premium | 2.9% | (941) 255-3535 |
| 87 | IU HEALTH MEDICAL GROUP, LLC | INDIANAPOLIS | IN | NURSE PRACTITIONER | 4250 | 1,290 | $47,347 | $37 | premium | 13.1% | (888) 484-3258 |
| 88 | IHC HEALTH SERVICES INC | MURRAY | UT | PHYSICIAN ASSISTANT | 3944 | 1,284 | $43,025 | $34 | premium | 30.5% | (801) 261-8346 |
| 89 | PRIVIA MEDICAL GROUP, LLC | ARLINGTON | VA | NURSE PRACTITIONER | 1477 | 1,282 | $131,206 | $102 | premium | 3.7% | — |
| 90 | OSU INTERNAL MEDICINE LLC | COLUMBUS | OH | NURSE PRACTITIONER | 1155 | 1,265 | $38,160 | $30 | premium | 6.4% | (614) 293-8000 |
| 91 | CLEVELAND CLINIC FLORIDA | WESTON | FL | NURSE PRACTITIONER | 720 | 1,239 | $199,709 | $161 | premium | 2.7% | (954) 659-5000 |
| 92 | FRANCISCAN PHYSICIAN NETWORK | INDIANAPOLIS | IN | PHYSICIAN ASSISTANT | 1151 | 1,230 | $62,573 | $51 | premium | 12.4% | — |
| 93 | PRIMARY CARE GROUP OF WEST GEORGIA | CARROLLTON | GA | FAMILY PRACTICE | 9 | 1,228 | $212,848 | $173 | premium | 5.0% | (770) 834-3351 |
| 94 | BAPTIST HEALTH MEDICAL GROUP INC | LOUISVILLE | KY | NURSE PRACTITIONER | 2448 | 1,184 | $67,690 | $57 | premium | 11.8% | (502) 928-1050 |
| 95 | STONY BROOK INTERNISTS UNIVERSITY FACULTY PRACTICE CORPORATION | STONY BROOK | NY | HOSPITALIST | 414 | 1,183 | $182,600 | $154 | premium | 1.5% | (631) 444-1560 |
| 96 | LAHEY CLINIC INC | BURLINGTON | MA | NURSE PRACTITIONER | 1400 | 1,183 | $44,387 | $38 | premium | 6.5% | — |
| 97 | AAIA TAMPA BAY, LLC | TAMPA | FL | ALLERGY/IMMUNOLOGY | 5 | 1,180 | $59,000 | $50 | premium | 2.6% | (813) 969-0116 |
| 98 | SAINT LUKES PHYSICIAN GROUP INC | KANSAS CITY | MO | NURSE PRACTITIONER | 1228 | 1,173 | $89,347 | $76 | premium | 8.1% | — |
| 99 | WEILL MEDICAL COLLEGE OF CORNELL | NEW YORK | NY | INTERNAL MEDICINE | 2053 | 1,165 | $203,975 | $175 | premium | 1.5% | (212) 746-5454 |
| 100 | GROUP HEALTH PLAN INC | SAINT PAUL | MN | PHYSICIAN ASSISTANT | 1627 | 1,162 | $120,004 | $103 | premium | 12.1% | (651) 221-3456 |
Showing the top 100 of 1,788 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 →