2,115,448 observed fee-for-service (49%) · ~2,158,917 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; 3 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 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 | 92012 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 | 22,040 | $9,509,666 | $431 | premium | 5.9% | — |
| 2 | ASSOCIATED RETINAL CONSULTANTS LLC | TEANECK | NJ | OPHTHALMOLOGY | 115 | 17,434 | $4,439,508 | $255 | premium | 8.6% | (201) 837-7300 |
| 3 | LONG ISLAND VITREO RETINAL CONSULTANTS PC | GREAT NECK | NY | OPHTHALMOLOGY | 19 | 15,818 | $3,954,500 | $250 | premium | 4.2% | (516) 466-0390 |
| 4 | OPHTHALMIC CONSULTANTS OF BOSTON INC | BOSTON | MA | OPHTHALMOLOGY | 70 | 15,456 | $4,246,921 | $275 | premium | 16.0% | (617) 367-4800 |
| 5 | RIDGE EYE CARE INC | MARYSVILLE | CA | OPTOMETRY | 19 | 15,308 | $2,250,270 | $147 | premium | 3.1% | (530) 743-1873 |
| 6 | EYE CENTERS OF AMERICA LLC | BLOOMFIELD | NJ | OPHTHALMOLOGY | 123 | 13,954 | $2,434,767 | $174 | premium | 6.9% | (973) 707-5632 |
| 7 | VITREOUS RETINA MACULA CONSULTANTS OF NEW YORK | BROOKLYN | NY | OPHTHALMOLOGY | 11 | 13,202 | $3,070,590 | $233 | premium | 3.5% | (718) 376-3223 |
| 8 | PACIFIC EYE INSTITUTE A MEDICAL GROUP INC | UPLAND | CA | OPHTHALMOLOGY | 47 | 10,975 | $1,316,527 | $120 | premium | 2.2% | (909) 982-8846 |
| 9 | RETINA ASSOCIATES OF CLEVELAND, INC. | BEACHWOOD | OH | OPHTHALMOLOGY | 19 | 10,600 | $1,738,392 | $164 | premium | 26.2% | — |
| 10 | JULES STEIN EYE INSTITUTE MEDICAL GROUP | ARCADIA | CA | OPHTHALMOLOGY | 116 | 10,403 | $5,857,540 | $563 | premium | 2.1% | (323) 442-7122 |
| 11 | OPHTHALMIC CONSULTANTS OF LONG ISLAND | ROCKVILLE CENTRE | NY | OPHTHALMOLOGY | 107 | 10,362 | $1,474,460 | $142 | premium | 2.8% | (516) 766-2519 |
| 12 | RETINA VITREOUS CONSULTANTS | FT LAUDERDALE | FL | OPHTHALMOLOGY | 44 | 9,721 | $2,329,980 | $240 | premium | 3.5% | (954) 776-6880 |
| 13 | ADVANCED SURGICAL MOBILE EYE CARE LLC | APOLLO BEACH | FL | OPTOMETRY | 6 | 9,426 | $1,142,037 | $121 | premium | 3.4% | — |
| 14 | TEXAS RETINA ASSOCIATES | DALLAS | TX | OPHTHALMOLOGY | 18 | 9,064 | $1,812,800 | $200 | premium | 3.3% | (214) 692-6941 |
| 15 | SHORE EYE ASSOCIATES PA | TOMS RIVER | NJ | OPHTHALMOLOGY | 17 | 9,025 | $2,707,846 | $300 | premium | 4.4% | (732) 341-4733 |
| 16 | TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK | NEW YORK | NY | NURSE PRACTITIONER | 2273 | 8,601 | $2,895,295 | $337 | premium | 2.3% | (212) 305-8559 |
| 17 | RETINA INSTITUTE OF TEXAS PA | ARLINGTON | TX | OPHTHALMOLOGY | 4 | 8,570 | $1,191,230 | $139 | premium | 3.1% | (817) 417-7769 |
| 18 | HEA CLINIC PA | HOUSTON | TX | OPHTHALMOLOGY | 42 | 8,555 | $2,369,735 | $277 | premium | 3.1% | (713) 467-6474 |
| 19 | SIGHT MEDICAL DOCTORS PLLC | SMITHTOWN | NY | OPHTHALMOLOGY | 115 | 8,307 | $1,524,955 | $184 | premium | 2.2% | (631) 265-8780 |
| 20 | RESIDENT EYE CARE ASSOCIATES LLC | FAIR LAWN | NJ | OPTOMETRY | 15 | 8,093 | $1,254,415 | $155 | premium | 4.0% | — |
| 21 | VITREO-RETINAL MEDICAL GROUP, INC. | YUBA CITY | CA | OPHTHALMOLOGY | 21 | 7,859 | $2,515,040 | $320 | premium | 1.6% | (530) 273-8358 |
| 22 | CONNECTICUT EYE CONSULTANTS PC | DANBURY | CT | OPHTHALMOLOGY | 16 | 7,741 | $1,578,996 | $204 | premium | 12.0% | (203) 791-2020 |
| 23 | JW EYE ASSOCIATES, PLLC | DALLAS | TX | OPTOMETRY | 35 | 6,945 | $1,080,807 | $156 | premium | 2.5% | (214) 754-0000 |
| 24 | SPECIALTY EYE CARE MEDICAL CENTER , INC | GLENDALE | CA | OPHTHALMOLOGY | 4 | 6,632 | $1,658,000 | $250 | premium | 1.3% | (818) 265-7777 |
| 25 | PRINCETON EYE GROUP, PA | PRINCETON | NJ | OPHTHALMOLOGY | 14 | 6,513 | $911,961 | $140 | premium | 3.2% | (609) 921-9437 |
| 26 | CENTER FOR SIGHT PL | VENICE | FL | OPTOMETRY | 37 | 6,498 | $1,182,636 | $182 | premium | 2.4% | (941) 488-2020 |
| 27 | ASSOCIATED RETINA CONSULTANTS LTD | PHOENIX | AZ | OPHTHALMOLOGY | 15 | 6,442 | $617,359 | $96 | premium | 14.6% | (602) 242-4928 |
| 28 | RETINA VITREOUS ASSOCIATES MEDICAL GROUP | LOS ANGELES | CA | OPHTHALMOLOGY | 17 | 6,346 | $1,269,040 | $200 | premium | 1.3% | (213) 483-8810 |
| 29 | ADVANCED EYECARE PROFESSIONAL OPTOMETRIC GROUP | GLENDALE | CA | OPTOMETRY | 8 | 6,059 | $819,002 | $135 | premium | 1.2% | (818) 240-0890 |
| 30 | DELRAY EYE ASSOCIATES PA | DELRAY BEACH | FL | OPHTHALMOLOGY | 9 | 6,044 | $695,060 | $115 | premium | 2.2% | (561) 498-8100 |
| 31 | GAILEY EYE CLINIC, LTD | BLOOMINGTON | IL | OPHTHALMOLOGY | 16 | 5,961 | $1,025,292 | $172 | premium | 5.2% | 30982953111066 |
| 32 | OPHTHALMOLOGY ASSOCIATES OF THE VALLEY MEDICAL GROUP | ENCINO | CA | OPHTHALMOLOGY | 8 | 5,921 | $710,520 | $120 | premium | 1.2% | (818) 990-3623 |
| 33 | REFOCUS EYE HEALTH OF CENTRAL CONNECTICUT PC | STAMFORD | CT | OPHTHALMOLOGY | 37 | 5,760 | $1,087,365 | $189 | premium | 9.0% | (203) 869-3082 |
| 34 | FLORIDA EYE MICROSURGICAL INSTITUTE INC | BOYNTON BEACH | FL | OPHTHALMOLOGY | 13 | 5,680 | $1,022,892 | $180 | premium | 2.1% | (561) 737-5500 |
| 35 | MEDICAL CENTER OPHTHALMOLOGY ASSOCIATES | SAN ANTONIO | TX | OPHTHALMOLOGY | 12 | 5,514 | $579,000 | $105 | premium | 2.0% | (210) 697-2020 |
| 36 | GEORGIA RETINA, PC | LAWRENCEVILLE | GA | OPHTHALMOLOGY | 23 | 5,500 | $1,023,407 | $186 | premium | 9.8% | (678) 405-0922 |
| 37 | RETINA ASSOCIATES, P.A. | LITTLE ROCK | AR | OPHTHALMOLOGY | 8 | 5,459 | $846,145 | $155 | premium | 17.1% | (501) 219-0900 |
| 38 | RASHID AND RICE EYE ASSOCIATES, P.L.L.C. | SAN ANTONIO | TX | OPHTHALMOLOGY | 8 | 5,424 | $542,500 | $100 | premium | 2.0% | (210) 340-1212 |
| 39 | VITREO RETINAL SURGERY PLLC | MINNEAPOLIS | MN | OPHTHALMOLOGY | 26 | 5,365 | $1,968,927 | $367 | premium | 20.8% | (952) 929-1131 |
| 40 | LASER AND MICROSURGERY, PC | BROOKLYN | NY | OPHTHALMOLOGY | 5 | 5,252 | $787,950 | $150 | premium | 1.4% | (718) 627-0303 |
| 41 | RETINA INSTITUTE OF CALIFORNIA MEDICAL GROUP, A CALIFORNIA MEDICAL PAR | PASADENA | CA | OPHTHALMOLOGY | 82 | 5,239 | $1,022,765 | $195 | premium | 1.0% | (800) 898-2020 |
| 42 | EYE ASSOCIATES OF BOCA RATON, P.A. | BOCA RATON | FL | OPHTHALMOLOGY | 7 | 5,210 | $521,000 | $100 | premium | 1.9% | (561) 391-8300 |
| 43 | OCEAN EYE INSTITUTE PA | TOMS RIVER | NJ | OPHTHALMOLOGY | 10 | 4,983 | $1,479,951 | $297 | premium | 2.5% | — |
| 44 | CORNEA ASSOCIATES OF TEXAS PA | PLANO | TX | OPHTHALMOLOGY | 10 | 4,967 | $968,565 | $195 | premium | 1.8% | (214) 692-0146 |
| 45 | ALEXANDRIA EYE AND LASER CENTER LLC | ALEXANDRIA | LA | OPTOMETRY | 24 | 4,949 | $990,025 | $200 | premium | 7.9% | (318) 487-2020 |
| 46 | VIRGINIA EYE CONSULTANTS INC | NORFOLK | VA | OPHTHALMOLOGY | 57 | 4,944 | $607,451 | $123 | premium | 6.7% | 75762222003020 |
| 47 | SOUTH SHORE EYE CARE LLP | WANTAGH | NY | OPHTHALMOLOGY | 9 | 4,895 | $1,028,790 | $210 | premium | 1.3% | (516) 785-3900 |
| 48 | MIRAMAR EYE SPECIALISTS MEDICAL GROUP INC | VENTURA | CA | OPHTHALMOLOGY | 25 | 4,816 | $910,401 | $189 | premium | 1.0% | (805) 648-3085 |
| 49 | CALIFORNIA RETINA CONSULTANTS | SANTA BARBARA | CA | OPHTHALMOLOGY | 11 | 4,804 | $600,500 | $125 | premium | 1.0% | (805) 963-1648 |
| 50 | JOHNS HOPKINS UNIVERSITY | BALTIMORE | MD | NURSE PRACTITIONER | 2900 | 4,780 | $1,046,248 | $219 | premium | 7.6% | (410) 502-4340 |
| 51 | PALMETTO RETINA CENTER LLC | WEST COLUMBIA | SC | OPHTHALMOLOGY | 13 | 4,686 | $796,364 | $170 | premium | 10.2% | (803) 744-0156 |
| 52 | CALIFORNIA RETINA ASSOCIATES, LP | CHULA VISTA | CA | OPHTHALMOLOGY | 19 | 4,677 | $1,078,020 | $230 | premium | 0.9% | 6194257755257755 |
| 53 | RETINA CONSULTANTS OF SEATTLE PC | EVERETT | WA | OPHTHALMOLOGY | 4 | 4,562 | $638,680 | $140 | premium | 14.5% | (425) 740-2470 |
| 54 | MARION EYE CENTERS LTD | MARION | IL | OPTOMETRY | 39 | 4,545 | $645,392 | $142 | premium | 4.0% | (618) 993-5686 |
| 55 | DUKE HEALTH INTEGRATED PRACTICE INC | DURHAM | NC | PHYSICIAN ASSISTANT | 3051 | 4,500 | $904,500 | $201 | premium | 12.6% | (919) 684-8111 |
| 56 | RETINOVITREOUS ASSOCIATES LTD | PHILADELPHIA | PA | OPHTHALMOLOGY | 39 | 4,468 | $871,260 | $195 | premium | 2.4% | (800) 331-6634 |
| 57 | 1960 EYE SURGEONS, P.A. | HOUSTON | TX | OPHTHALMOLOGY | 6 | 4,446 | $425,685 | $96 | premium | 1.6% | (281) 890-1784 |
| 58 | MAGIE MABREY EYE CLINIC P A | CONWAY | AR | OPHTHALMOLOGY | 5 | 4,258 | $774,947 | $182 | premium | 13.3% | (501) 327-4444 |
| 59 | RETINA CARE SPECIALISTS PLLC | PALM BEACH GARDENS | FL | OPHTHALMOLOGY | 6 | 4,228 | $452,326 | $107 | premium | 1.5% | (561) 624-0099 |
| 60 | EYESIGHT OPHTHALMIC SERVICES PLLC | PORTSMOUTH | NH | OPHTHALMOLOGY | 17 | 4,209 | $1,088,590 | $259 | premium | 32.4% | (603) 436-1773 |
| 61 | NORTH BAY EYE ASSOCIATES, A MEDICAL CORPORATION | SANTA ROSA | CA | OPHTHALMOLOGY | 11 | 4,179 | $844,154 | $202 | premium | 0.8% | (707) 544-3375 |
| 62 | HARVARD EYE ASSOCIATES FKA ROGER OHANESIAN MD AND EDWARD KIM MD INC | SAN CLEMENTE | CA | OPHTHALMOLOGY | 20 | 4,110 | $1,079,693 | $263 | premium | 0.8% | (949) 951-2020 |
| 63 | RETINA CONSULTANTS OF CAROLINA, PA | GREENVILLE | SC | OPHTHALMOLOGY | 11 | 4,003 | $520,552 | $130 | premium | 8.7% | (864) 233-5722 |
| 64 | NORTHERN CALIFORNIA RETINA VITREOUS ASSOCIATES MEDICAL GROUP, INC. | SAN JOSE | CA | OPHTHALMOLOGY | 7 | 3,999 | $919,770 | $230 | premium | 0.8% | (408) 251-3500 |
| 65 | BOSTON LASER EYE INSTITUTE PC | BROOKLINE | MA | OPHTHALMOLOGY | 23 | 3,964 | $1,000,642 | $252 | premium | 4.1% | (617) 202-2020 |
| 66 | RETINAL DIAGNOSTIC CENTER A MEDICAL CORPORATION | CAMPBELL | CA | OPHTHALMOLOGY | 6 | 3,888 | $714,432 | $184 | premium | 0.8% | (408) 559-0666 |
| 67 | EAST BAY RETINA CONSULTANTS A MEDICAL GROUP INC | OAKLAND | CA | OPHTHALMOLOGY | 6 | 3,875 | $877,008 | $226 | premium | 0.8% | (510) 444-1600 |
| 68 | NORTHERN VIRGINIA OPHTHALMOLOGY ASSOC PC | FALLS CHURCH | VA | OPHTHALMOLOGY | 18 | 3,855 | $392,364 | $102 | premium | 5.2% | (703) 534-3900 |
| 69 | STONY BROOK OPHTHALMOLOGY, UNIVERSITY FACULTY PRACTICE CORPORATION | STONY BROOK | NY | OPHTHALMOLOGY | 16 | 3,850 | $1,138,055 | $296 | premium | 1.0% | (631) 444-4090 |
| 70 | UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL CENTER AT DALLAS | DALLAS | TX | PHYSICIAN ASSISTANT | 3200 | 3,824 | $977,298 | $256 | premium | 1.4% | (214) 633-5555 |
| 71 | CHARLESTON NEUROSCIENCES INSTITUTE | CHARLESTON | SC | OPHTHALMOLOGY | 9 | 3,732 | $604,404 | $162 | premium | 8.1% | (843) 763-4466 |
| 72 | ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI | NEW YORK | NY | PHYSICIAN ASSISTANT | 2818 | 3,698 | $1,186,567 | $321 | premium | 1.0% | (212) 241-4812 |
| 73 | VITREO RETINAL ASSOCIATES PA | GAINESVILLE | FL | OPHTHALMOLOGY | 4 | 3,694 | $369,400 | $100 | premium | 1.3% | (352) 371-2800 |
| 74 | UNIVERSITY EYE SPECIALISTS, P.C. | KNOXVILLE | TN | OPHTHALMOLOGY | 15 | 3,633 | $454,125 | $125 | premium | 9.3% | — |
| 75 | WALLACE EYE SURGERY, LTD | ALEXANDRIA | LA | OPHTHALMOLOGY | 5 | 3,630 | $326,700 | $90 | premium | 5.8% | (318) 448-4488 |
| 76 | RETINA CONSULTANTS PC | MANCHESTER | CT | OPHTHALMOLOGY | 7 | 3,596 | $1,078,730 | $300 | premium | 5.6% | (860) 646-7704 |
| 77 | EYE CARE SPECIALISTS LLC | CAPE GIRARDEAU | MO | OPHTHALMOLOGY | 6 | 3,594 | $515,250 | $143 | premium | 9.1% | (573) 335-3577 |
| 78 | OPHTHALMIC SURGEONS OF GR BPT PC | FAIRFIELD | CT | OPHTHALMOLOGY | 6 | 3,575 | $500,450 | $140 | premium | 5.6% | (203) 371-0141 |
| 79 | EYE CONSULTANTS OF ATLANTA, PC | ATLANTA | GA | OPHTHALMOLOGY | 30 | 3,564 | $772,328 | $217 | premium | 6.3% | (404) 351-2220 |
| 80 | EYE CARE AND VISION ASSOCIATES LLC | ALLEN | TX | OPTOMETRY | 2 | 3,548 | $408,076 | $115 | premium | 1.3% | (214) 551-9320 |
| 81 | EYE ASSOCIATES OF NORTH JERSEY PA | DOVER | NJ | OPHTHALMOLOGY | 6 | 3,483 | $870,800 | $250 | premium | 1.7% | (973) 366-1232 |
| 82 | SWIFT OPTOMETRY CARE PC | SAINT JAMES | NY | OPTOMETRY | 8 | 3,471 | $1,037,778 | $299 | premium | 0.9% | (718) 963-3495 |
| 83 | OPHTHALMIC PARTNERS OF FLORIDA PA | ORLANDO | FL | OPHTHALMOLOGY | 5 | 3,454 | $750,727 | $217 | premium | 1.3% | (407) 425-7188 |
| 84 | EYE CARE VISION OPTOMETRY PC | STATEN ISLAND | NY | OPTOMETRY | 31 | 3,451 | $483,192 | $140 | premium | 0.9% | (646) 921-1738 |
| 85 | THE EYE PHYSICIANS OF PINELLAS, PA | LARGO | FL | OPHTHALMOLOGY | 39 | 3,439 | $549,610 | $160 | premium | 1.2% | (727) 581-8706 |
| 86 | RETINA MACULA SPECIALISTS OF MIAMI LLC | PLANTATION | FL | OPHTHALMOLOGY | 23 | 3,431 | $625,288 | $182 | premium | 1.2% | (954) 452-9922 |
| 87 | THE EYE CARE GROUP, P.C. | WATERBURY | CT | OPHTHALMOLOGY | 16 | 3,417 | $635,880 | $186 | premium | 5.3% | (203) 573-4849 |
| 88 | EYE CENTER OF TEXAS LLP | BELLAIRE | TX | OPHTHALMOLOGY | 19 | 3,358 | $906,660 | $270 | premium | 1.2% | (713) 797-1010 |
| 89 | SUNIL GUPTA MD LLC | PENSACOLA | FL | OPHTHALMOLOGY | 10 | 3,344 | $535,661 | $160 | premium | 1.2% | (850) 476-6759 |
| 90 | EVERETT AND HURITE OPHTHALMIC ASSOCIATION | PITTSBURGH | PA | OPHTHALMOLOGY | 16 | 3,315 | $350,895 | $106 | premium | 1.8% | (412) 288-0885 |
| 91 | SERRANO EYE CENTER MEDICAL GROUP | LOS ANGELES | CA | OPHTHALMOLOGY | 3 | 3,272 | $392,640 | $120 | premium | 0.7% | (213) 380-8800 |
| 92 | RETINA CONSULTANTS OF SOUTHERN COLORADO P C | COLORADO SPRINGS | CO | OPHTHALMOLOGY | 8 | 3,226 | $918,912 | $285 | premium | 14.1% | 7194739595103 |
| 93 | SOUTHERN SHORES EYE CENTER, P.A. | MANAHAWKIN | NJ | OPHTHALMOLOGY | 6 | 3,198 | $428,430 | $134 | premium | 1.6% | (609) 597-8087 |
| 94 | SAN ANTONIO EYE CENTER, PA | SAN ANTONIO | TX | OPHTHALMOLOGY | 31 | 3,172 | $501,540 | $158 | premium | 1.2% | (210) 242-7555 |
| 95 | RETINA ASSOCIATES LLC | LENEXA | KS | OPHTHALMOLOGY | 12 | 3,169 | $494,786 | $156 | premium | 9.5% | — |
| 96 | EYE PHYSICIANS AND SURGEONS PC | DECATUR | GA | OPHTHALMOLOGY | 8 | 3,157 | $457,765 | $145 | premium | 5.6% | (404) 292-2500 |
| 97 | WEST TEXAS EYE PA | LUBBOCK | TX | CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) | 24 | 3,135 | $691,460 | $221 | premium | 1.1% | (806) 792-5900 |
| 98 | EYE SPECIALISTS MEDICAL GROUP OF NAPA VALLEY INC | NAPA | CA | OPHTHALMOLOGY | 6 | 3,114 | $822,204 | $264 | premium | 0.6% | (707) 255-6212 |
| 99 | EYE CARE INSTITUTE A MEDICAL CORPORATION | SANTA ROSA | CA | OPHTHALMOLOGY | 8 | 3,097 | $786,638 | $254 | premium | 0.6% | (707) 546-9800 |
| 100 | ATLANTIC EYE PHYSICIANS, PA | EATONTOWN | NJ | OPHTHALMOLOGY | 12 | 3,087 | $463,075 | $150 | premium | 1.5% | (732) 222-7373 |
Showing the top 100 of 3,683 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 →