31579 — Exam to assess movement of vocal cord flaps using an endoscope
71,742 observed fee-for-service (50%) · ~72,984 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 | 31579 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | ENT AND ALLERGY ASSOCIATES LLP | YONKERS | NY | OTOLARYNGOLOGY | 429 | 3,333 | $2,759,724 | $828 | premium | 26.1% | (914) 963-8588 |
| 2 | THE REGENTS OF THE UNIVERSITY OF CALIFORNIA | LOS ANGELES | CA | OTOLARYNGOLOGY | 34 | 1,508 | $1,816,136 | $1,204 | premium | 9.9% | (310) 794-1110 |
| 3 | HEALTHTEXAS PROVIDER NETWORK | DALLAS | TX | PHYSICIAN ASSISTANT | 2482 | 1,073 | $780,979 | $728 | premium | 13.1% | — |
| 4 | MID-ATLANTIC ENT | ANNAPOLIS | MD | OTOLARYNGOLOGY | 6 | 1,043 | $330,120 | $317 | premium | 22.1% | (410) 573-9191 |
| 5 | MASSACHUSETTS EYE AND EAR ASSOCIATES, INC | BOSTON | MA | OPHTHALMOLOGY | 406 | 1,004 | $744,462 | $741 | premium | 32.2% | (617) 523-7900 |
| 6 | HEAD AND NECK ASSOCIATES OF ORANGE COUNTY AN INCORPRATE | MISSION VIEJO | CA | OTOLARYNGOLOGY | 16 | 933 | $423,582 | $454 | premium | 6.1% | (949) 364-4361 |
| 7 | CLEVELAND CLINIC | CLEVELAND | OH | PHYSICIAN ASSISTANT | 6828 | 910 | $727,090 | $799 | premium | 22.4% | — |
| 8 | WEILL MEDICAL COLLEGE OF CORNELL | NEW YORK | NY | INTERNAL MEDICINE | 2053 | 906 | $1,223,100 | $1,350 | premium | 7.1% | (212) 746-5454 |
| 9 | JEFFERSON UNIVERSITY PHYSICIANS | PHILADELPHIA | PA | DIAGNOSTIC RADIOLOGY | 1570 | 900 | $369,000 | $410 | premium | 16.3% | — |
| 10 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 897 | $2,731,365 | $3,045 | premium | 7.0% | (212) 263-9700 |
| 11 | UNIVERSITY MEDICAL ASSOCIATES OF THE MEDICAL UNIVERSITY OF SOUTH CAROL | CHARLESTON | SC | PHYSICIAN ASSISTANT | 1692 | 884 | $1,156,712 | $1,308 | premium | 52.1% | (843) 792-1414 |
| 12 | FLORIDA ENT ASSOCIATES INC | MIAMI | FL | OTOLARYNGOLOGY | 161 | 854 | $401,380 | $470 | premium | 16.1% | (305) 595-6200 |
| 13 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | NY | PHYSICIAN ASSISTANT | 6294 | 846 | $1,447,506 | $1,711 | premium | 6.6% | — |
| 14 | BUTLER AND BURNS EAR NOSE AND THROAT ASSOCIATES | AUSTIN | TX | OTOLARYNGOLOGY | 43 | 829 | $518,125 | $625 | premium | 10.1% | (512) 454-0392 |
| 15 | TOPEKA EAR, NOSE AND THROAT, P.A. | TOPEKA | KS | OTOLARYNGOLOGY | 19 | 825 | $495,000 | $600 | premium | 42.2% | (785) 233-0500 |
| 16 | REGENTS OF THE UNIVERSITY OF CALIFORNIA | SAN DIEGO | CA | DIAGNOSTIC RADIOLOGY | 2057 | 816 | $756,186 | $927 | premium | 5.4% | (800) 926-8273 |
| 17 | EAR INSTITUTE OF TEXAS P A | SAN ANTONIO | TX | OTOLARYNGOLOGY | 11 | 805 | $346,552 | $430 | premium | 9.9% | (210) 363-6936 |
| 18 | USC CARE MEDICAL GROUP INC | LOS ANGELES | CA | DIAGNOSTIC RADIOLOGY | 1374 | 788 | $693,440 | $880 | premium | 5.2% | (800) 872-2273 |
| 19 | EAR, NOSE AND THROAT CONSULTANTS OF NEVADA | HENDERSON | NV | OTOLARYNGOLOGY | 15 | 784 | $326,144 | $416 | premium | 81.4% | (702) 792-6700 |
| 20 | WASHINGTON UNIVERSITY | SAINT LOUIS | MO | NURSE PRACTITIONER | 3070 | 773 | $608,447 | $787 | premium | 53.6% | (314) 747-3000 |
| 21 | JOHNS HOPKINS REGIONAL PHYSICIANS LLC | LUTHERVILLE | MD | OTOLARYNGOLOGY | 80 | 763 | $830,144 | $1,088 | premium | 16.2% | (443) 275-1337 |
| 22 | THE ASSOCIATION OF UNIVERSITY PHYSICIANS | SEATTLE | WA | PHYSICIAN ASSISTANT | 3612 | 735 | $296,038 | $403 | premium | 47.9% | (206) 364-0500 |
| 23 | UNIVERSITY OF MIAMI | MIAMI | FL | NURSE PRACTITIONER | 2331 | 713 | $414,253 | $581 | premium | 13.5% | (305) 689-5437 |
| 24 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 712 | $536,029 | $753 | premium | 4.7% | (415) 600-1020 |
| 25 | MIDWEST ENT ALLIANCE PLLC | PARK RIDGE | IL | OTOLARYNGOLOGY | 95 | 676 | $342,276 | $506 | premium | 31.9% | (847) 674-5585 |
| 26 | STANFORD HEALTH CARE | STANFORD | CA | DIAGNOSTIC RADIOLOGY | 3039 | 671 | $746,645 | $1,113 | premium | 4.4% | (650) 723-4000 |
| 27 | ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI | NEW YORK | NY | PHYSICIAN ASSISTANT | 2818 | 650 | $877,500 | $1,350 | premium | 5.1% | (212) 241-4812 |
| 28 | ENT AND ALLERGY ASSOCIATES LLP | YONKERS | NJ | OTOLARYNGOLOGY | 429 | 650 | $492,321 | $757 | premium | 22.9% | (914) 963-8588 |
| 29 | ANNAPOLIS ENT SURGICAL CENTER LLC | ANNAPOLIS | MD | QUALIFIED AUDIOLOGIST | 45 | 640 | $265,600 | $415 | premium | 13.6% | (410) 266-3900 |
| 30 | CEDARS-SINAI MEDICAL CARE FOUNDATION | LOS ANGELES | CA | PHYSICIAN ASSISTANT | 1699 | 629 | $461,613 | $734 | premium | 4.1% | (310) 423-0674 |
| 31 | UNIVERSITY OF CINCINNATI PHYSICIANS COMPANY LLC | CINCINNATI | OH | NURSE PRACTITIONER | 1504 | 625 | $213,750 | $342 | premium | 15.4% | (513) 584-1000 |
| 32 | IU HEALTH MEDICAL GROUP, LLC | INDIANAPOLIS | IN | NURSE PRACTITIONER | 4250 | 613 | $340,828 | $556 | premium | 34.6% | (888) 484-3258 |
| 33 | WICHITA SURGICAL SPECIALISTS PA | WICHITA | KS | GENERAL SURGERY | 60 | 602 | $361,200 | $600 | premium | 30.8% | (316) 263-0296 |
| 34 | TEXAS HEALTH CARE PLLC | FORT WORTH | TX | NURSE PRACTITIONER | 364 | 601 | $293,889 | $489 | premium | 7.4% | (817) 920-0484 |
| 35 | SMH PHYSICIAN SERVICES INC | SARASOTA | FL | PHYSICIAN ASSISTANT | 766 | 549 | $220,149 | $401 | premium | 10.4% | — |
| 36 | CHRISTUS TRINITY CLINIC | TYLER | TX | NURSE PRACTITIONER | 1495 | 520 | $353,600 | $680 | premium | 6.4% | (903) 606-5560 |
| 37 | WHITE PLAINS PHYSICIAN SERVICES PC | WHITE PLAINS | NY | PHYSICIAN ASSISTANT | 383 | 501 | $410,308 | $819 | premium | 3.9% | (914) 681-0600 |
| 38 | UNIVERSITY OF PENN - MEDICAL GROUP | PHILADELPHIA | PA | PHYSICIAN ASSISTANT | 3505 | 500 | $229,796 | $460 | premium | 9.0% | (215) 662-2777 |
| 39 | UNIVERSITY OF VIRGINIA PHYSICIANS GROUP | CHARLOTTESVILLE | VA | NURSE PRACTITIONER | 1704 | 497 | $247,506 | $498 | premium | 45.3% | (434) 924-5959 |
| 40 | ENT AND ALLERGY ASSOCIATES OF FLORIDA, LLC | BOCA RATON | FL | OTOLARYNGOLOGY | 231 | 487 | $176,294 | $362 | premium | 9.2% | (561) 391-3333 |
| 41 | WESTSIDE HEAD AND NECK | CULVER CITY | CA | OTOLARYNGOLOGY | 6 | 476 | $166,750 | $350 | premium | 3.1% | (310) 204-4111 |
| 42 | UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL CENTER AT DALLAS | DALLAS | TX | PHYSICIAN ASSISTANT | 3200 | 474 | $359,766 | $759 | premium | 5.8% | (214) 633-5555 |
| 43 | HENRY FORD HEALTH ST JOHN HOSPITAL | DETROIT | MI | CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) | 337 | 467 | $75,967 | $163 | premium | 25.6% | (313) 343-4000 |
| 44 | CLINICAL HEALTH CARE ASSOCIATES OF NEW JERSEY PC | CHERRY HILL | NJ | DIAGNOSTIC RADIOLOGY | 825 | 448 | $333,563 | $745 | premium | 15.8% | (856) 433-2535 |
| 45 | BRIGHAM AND WOMENS PHYSICIANS ORGANIZATION INC | BOSTON | MA | PHYSICIAN ASSISTANT | 2942 | 445 | $437,880 | $984 | premium | 14.3% | (617) 732-5500 |
| 46 | UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL | CHAPEL HILL | NC | NURSE PRACTITIONER | 2120 | 430 | $246,736 | $574 | premium | 19.0% | (984) 215-5556 |
| 47 | OSU OTOLARYNGOLOGY HEAD AND NECK SURGERY LLC | COLUMBUS | OH | OTOLARYNGOLOGY | 67 | 416 | $247,440 | $595 | premium | 10.2% | (614) 366-3687 |
| 48 | YALE UNIVERSITY | NEW HAVEN | CT | PHYSICIAN ASSISTANT | 2649 | 416 | $522,080 | $1,255 | premium | 58.6% | (203) 688-4242 |
| 49 | TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK | NEW YORK | NY | NURSE PRACTITIONER | 2273 | 414 | $525,780 | $1,270 | premium | 3.2% | (212) 305-8559 |
| 50 | LENOX HILL HOSPITAL MEDICAL PC | NEW YORK | NY | OTOLARYNGOLOGY | 30 | 411 | $976,176 | $2,375 | premium | 3.2% | (212) 434-4500 |
| 51 | SOUTHWEST OHIO ENT SPECIALISTS INC | DAYTON | OH | QUALIFIED AUDIOLOGIST | 43 | 404 | $189,880 | $470 | premium | 9.9% | 9374962620437 |
| 52 | MAYO CLINIC | ROCHESTER | MN | NURSE PRACTITIONER | 4896 | 403 | $471,219 | $1,169 | premium | 46.8% | (507) 284-2511 |
| 53 | PRIVIA MEDICAL GROUP SOUTH CAROLINA, LLC | GREENVILLE | SC | OTOLARYNGOLOGY | 21 | 399 | $191,292 | $479 | premium | 23.5% | (864) 572-7001 |
| 54 | MAYO CLINIC JACKSONVILLE | JACKSONVILLE | FL | NURSE PRACTITIONER | 1587 | 396 | $572,616 | $1,446 | premium | 7.5% | (904) 953-2000 |
| 55 | THE ENT AND ALLERGY CENTERS OF TEXAS, PLLC | MCKINNEY | TX | OTOLARYNGOLOGY | 54 | 390 | $279,650 | $717 | premium | 4.8% | (972) 984-1050 |
| 56 | SURGONE PC | DENVER | CO | GENERAL SURGERY | 40 | 385 | $196,219 | $510 | premium | 23.9% | (303) 377-6401 |
| 57 | SCOTT AND WHITE CLINIC | TEMPLE | TX | PHYSICIAN ASSISTANT | 2435 | 378 | $236,528 | $626 | premium | 4.6% | (254) 724-2663 |
| 58 | SUMMIT MEDICAL GROUP PA | BERKELEY HEIGHTS | NJ | PHYSICIAN ASSISTANT | 1183 | 378 | $404,838 | $1,071 | premium | 13.3% | (908) 273-4300 |
| 59 | UNIVERSITY OF LOUISVILLE PHYSICIANS INC | LOUISVILLE | KY | NURSE PRACTITIONER | 1442 | 377 | $165,170 | $438 | premium | 68.5% | (502) 629-2398 |
| 60 | STONY BROOK SURGICAL ASSOCIATES UNIVERSITY FACULTY PRACTICE CORPORATI | HAMPTON BAYS | NY | GENERAL SURGERY | 102 | 377 | $412,815 | $1,095 | premium | 3.0% | (631) 723-5000 |
| 61 | NORTH FLORIDA SURGEONS PA | JACKSONVILLE | FL | PHYSICIAN ASSISTANT | 331 | 376 | $245,904 | $654 | premium | 7.1% | (904) 396-1725 |
| 62 | UNIVERSITY MEDICAL SERVICE ASSOCIATION INC | TAMPA | FL | NURSE PRACTITIONER | 814 | 373 | $224,173 | $601 | premium | 7.1% | — |
| 63 | KANSAS UNIVERSITY PHYSICIANS INC | KANSAS CITY | KS | NURSE PRACTITIONER | 1815 | 372 | $254,722 | $685 | premium | 19.0% | (913) 588-1227 |
| 64 | ENT GROUP OF LOS ANGELES | TARZANA | CA | OTOLARYNGOLOGY | 7 | 369 | $122,877 | $333 | premium | 2.4% | (818) 609-0600 |
| 65 | ARIZONA OTOLARYNGOLOGY CONSULTANTS, PC | GLENDALE | AZ | OTOLARYNGOLOGY | 22 | 365 | $168,383 | $461 | premium | 41.0% | (602) 938-3205 |
| 66 | JOSEPH M CAPO MD PC | LEVITTOWN | NY | OTOLARYNGOLOGY | 13 | 363 | $255,146 | $703 | premium | 2.8% | (516) 731-6644 |
| 67 | UNIVERSITY MEDICAL ASSOCIATES OF THE MEDICAL UNIVERSITY OF SOUTH CAROL | CHARLESTON | CA | PHYSICIAN ASSISTANT | 1692 | 351 | $459,594 | $1,309 | premium | 2.3% | (843) 792-1414 |
| 68 | UNIVERSITY HEAD AND NECK SURGEONS | ORANGE | CA | OTOLARYNGOLOGY | 27 | 345 | $253,185 | $734 | premium | 2.3% | (714) 456-5731 |
| 69 | BRIGHAM AND WOMENS PHYSICIANS ORGANIZATION INC | BOSTON | CA | PHYSICIAN ASSISTANT | 2942 | 337 | $331,608 | $984 | premium | 2.2% | (617) 732-5500 |
| 70 | MSKCC SURGERY GROUP | NEW YORK | OH | PHYSICIAN ASSISTANT | 373 | 333 | $384,615 | $1,155 | premium | 8.2% | (212) 639-2000 |
| 71 | JASON ROOS DO A PROFESSIONAL MEDICAL CORPORATION | VISALIA | CA | NURSE PRACTITIONER | 7 | 327 | $168,009 | $514 | premium | 2.2% | (559) 409-4720 |
| 72 | WAKE FOREST UNIVERSITY HEALTH SCIENCES | WINSTON SALEM | NC | PHYSICIAN ASSISTANT | 2609 | 327 | $136,032 | $416 | premium | 14.5% | (336) 713-9800 |
| 73 | HENRY FORD HEALTH SYSTEM | DETROIT | MI | PHYSICIAN ASSISTANT | 2536 | 324 | $126,360 | $390 | premium | 17.8% | (313) 916-2600 |
| 74 | HARVARD MEDICAL FACULTY PHYS AT BETH ISRAEL DEACONESS MED CTR INC | BOSTON | MA | INTERNAL MEDICINE | 1689 | 322 | $175,483 | $545 | premium | 10.3% | (781) 983-9088 |
| 75 | TEXAS EAR, NOSE AND THROAT SPECIALISTS, PLLC | HOUSTON | TX | OTOLARYNGOLOGY | 122 | 320 | $117,089 | $366 | premium | 3.9% | (281) 492-7827 |
| 76 | PROVIDENCE SAINT JOHNS MEDICAL FOUNDATION | SANTA MONICA | CA | PHYSICIAN ASSISTANT | 287 | 316 | $311,576 | $986 | premium | 2.1% | (310) 829-6789 |
| 77 | CHARLOTTE EYE EAR NOSE AND THROAT ASSOCIATES PA | CHARLOTTE | NC | QUALIFIED AUDIOLOGIST | 158 | 316 | $211,702 | $670 | premium | 14.0% | (704) 295-3414 |
| 78 | ENT PROFESSIONAL ASSOCIATION SERVICES | SALT LAKE CITY | UT | PHYSICIAN ASSISTANT | 17 | 315 | $163,964 | $521 | premium | 53.0% | (801) 268-4141 |
| 79 | UNIVERSITY OTOLARYNGOLOGY ASSOCIATES OF CENTRAL NEW YORK, LLP | SYRACUSE | NY | OTOLARYNGOLOGY | 18 | 306 | $183,600 | $600 | premium | 2.4% | (315) 464-4633 |
| 80 | REGENTS OF THE UNIV OF CA | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 1608 | 304 | $246,544 | $811 | premium | 2.0% | (877) 827-7463 |
| 81 | REGENTS OF THE UNIVERSITY OF MICHIGAN | ANN ARBOR | MI | INTERNAL MEDICINE | 3330 | 294 | $196,098 | $667 | premium | 16.1% | (734) 763-5459 |
| 82 | COMMUNITY CARE NETWORK INC | MUNSTER | IN | NURSE PRACTITIONER | 379 | 284 | $72,120 | $254 | premium | 16.0% | (219) 836-4563 |
| 83 | UNIVERSITY PHYSICIAN ASSOCIATES OF NEW JERSEY INC | NEWARK | NJ | INTERNAL MEDICINE | 381 | 281 | $443,980 | $1,580 | premium | 9.9% | (973) 972-5004 |
| 84 | ENT SPECIALISTS, INC | BROCKTON | MA | OTOLARYNGOLOGY | 19 | 275 | $187,000 | $680 | premium | 8.8% | (508) 588-8034 |
| 85 | ALBANY MEDICAL COLLEGE | ALBANY | NY | PHYSICIAN ASSISTANT | 1070 | 272 | $100,616 | $370 | premium | 2.1% | (518) 262-3277 |
| 86 | DUKE HEALTH INTEGRATED PRACTICE INC | DURHAM | NC | PHYSICIAN ASSISTANT | 3051 | 267 | $195,711 | $733 | premium | 11.8% | (919) 684-8111 |
| 87 | UNIVERSITY OTOLARYNGOLOGISTS INC | COLUMBUS | OH | OTOLARYNGOLOGY | 58 | 266 | $105,070 | $395 | premium | 6.5% | (614) 538-2424 |
| 88 | MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC | BOSTON | MA | DIAGNOSTIC RADIOLOGY | 3532 | 265 | $260,760 | $984 | premium | 8.5% | (617) 724-0287 |
| 89 | DUKE HEALTH INTEGRATED PRACTICE INC | DURHAM | TX | PHYSICIAN ASSISTANT | 3051 | 263 | $192,779 | $733 | premium | 3.2% | (919) 684-8111 |
| 90 | MAYO CLINIC ARIZONA | PHOENIX | AZ | PHYSICIAN ASSISTANT | 1635 | 252 | $366,765 | $1,455 | premium | 28.3% | (800) 603-0558 |
| 91 | THE EMORY CLINIC INC | ATLANTA | GA | NURSE PRACTITIONER | 3484 | 249 | $243,024 | $976 | premium | 17.7% | (404) 778-7525 |
| 92 | UNIVERSITY OF ALABAMA HEALTH SERVICES FOUNDATION, PC | BIRMINGHAM | AL | NURSE PRACTITIONER | 2788 | 249 | $236,301 | $949 | premium | 39.6% | (205) 934-3460 |
| 93 | CAROLINA EAR NOSE AND THROAT-SINUS AND ALLERGY CENTER PA | HICKORY | NC | OTOLARYNGOLOGY | 19 | 248 | $136,094 | $549 | premium | 11.0% | 8283222183266 |
| 94 | QUEENS UNIVERSITY MEDICAL GROUP | HONOLULU | GA | DIAGNOSTIC RADIOLOGY | 648 | 246 | $132,102 | $537 | premium | 17.4% | (808) 691-8200 |
| 95 | MID MICHIGAN EAR NOSE AND THROAT PC | EAST LANSING | MI | QUALIFIED AUDIOLOGIST | 25 | 246 | $238,620 | $970 | premium | 13.5% | (517) 324-4911 |
| 96 | UNIVERSITY PHYSICIANS INCORPORATED | AURORA | CO | PHYSICIAN ASSISTANT | 3122 | 244 | $195,148 | $800 | premium | 15.1% | (720) 777-1234 |
| 97 | LSU HEALTH SCIENCES CENTER SHREVEPORT FACULTY GROUP PRACTICE | SHREVEPORT | LA | PHYSICIAN ASSISTANT | 589 | 243 | $92,583 | $381 | premium | 21.6% | (318) 675-8700 |
| 98 | POUDRE VALLEY MEDICAL GROUP LLC | COLORADO SPRINGS | CO | PHYSICIAN ASSISTANT | 2390 | 238 | $106,438 | $447 | premium | 14.8% | — |
| 99 | UNIV OF MARYLAND OTORHINOLARYNGOLOGY HEAD AND NECK SURGERY PA | BALTIMORE | MD | OTOLARYNGOLOGY | 17 | 234 | $107,640 | $460 | premium | 5.0% | (410) 328-6866 |
| 100 | UNIVERSITY HOSPITALS MEDICAL GROUP INC | CLEVELAND | OH | NURSE PRACTITIONER | 2232 | 230 | $185,066 | $805 | premium | 5.7% | — |
Showing the top 100 of 350 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 →