4,845 observed fee-for-service (50%) · ~4,869 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 | 61645 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 | WELLSTAR MEDICAL GROUP LLC | MARIETTA | GA | NURSE PRACTITIONER | 3060 | 99 | $234,462 | $2,368 | premium | 33.9% | (770) 422-2004 |
| 2 | NEURO IR OF EAST TEXAS | TYLER | TX | DIAGNOSTIC RADIOLOGY | 3 | 84 | $363,481 | $4,327 | premium | 20.3% | (903) 705-0072 |
| 3 | REGENTS OF THE UNIV OF CA | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 1608 | 83 | $251,916 | $3,035 | premium | 10.3% | (877) 827-7463 |
| 4 | ENDEAVOR HEALTH MEDICAL GROUP | EVANSTON | IL | NURSE PRACTITIONER | 3380 | 79 | $220,450 | $2,791 | premium | 18.8% | — |
| 5 | LYERLY BAPTIST INC | JACKSONVILLE | FL | NURSE PRACTITIONER | 68 | 76 | $168,780 | $2,221 | premium | 13.9% | (904) 388-6518 |
| 6 | PROVIDENCE SAINT JOHNS MEDICAL FOUNDATION | SANTA MONICA | CA | PHYSICIAN ASSISTANT | 287 | 71 | $272,232 | $3,834 | premium | 8.8% | (310) 829-6789 |
| 7 | NEW YORK SPINE AND BRAIN SURGERY, UNIVERSITY FACULTY PRACTICE CORPORAT | STONY BROOK | NY | PHYSICIAN ASSISTANT | 60 | 70 | $1,400,000 | $20,000 | premium | 25.8% | (631) 444-1213 |
| 8 | RADIOLOGY OF HUNSTVILLE PC | HUNTSVILLE | AL | DIAGNOSTIC RADIOLOGY | 63 | 69 | $88,596 | $1,284 | premium | 57.5% | 2565390457145 |
| 9 | UNIVERSITY OF PITTSBURGH PHYSICIANS | PITTSBURGH | PA | DIAGNOSTIC RADIOLOGY | 4291 | 66 | $216,054 | $3,274 | premium | 13.8% | — |
| 10 | STATE UNIVERSITY OF IOWA | IOWA CITY | IA | PHYSICIAN ASSISTANT | 1902 | 62 | $257,010 | $4,145 | premium | 44.6% | (319) 678-8201 |
| 11 | NEUROSURGICAL ASSOCIATES LTD | PHOENIX | AZ | NEUROSURGERY | 74 | 59 | $193,755 | $3,284 | premium | 31.4% | (602) 406-3181 |
| 12 | LAKELAND RADIOLOGISTS P A | FLOWOOD | MS | DIAGNOSTIC RADIOLOGY | 29 | 57 | $171,000 | $3,000 | premium | 100.0% | (601) 936-2390 |
| 13 | PRISMA HEALTH UNIVERSITY MEDICAL GROUP | GREENVILLE | SC | NURSE PRACTITIONER | 2447 | 55 | $109,230 | $1,986 | premium | 50.0% | — |
| 14 | CHRISTIANA CARE HEALTH SERVICES INC | NEWARK | DE | PHYSICIAN ASSISTANT | 1537 | 53 | $120,597 | $2,275 | premium | 100.0% | — |
| 15 | TRA-MINW P S | TACOMA | WA | DIAGNOSTIC RADIOLOGY | 153 | 53 | $149,089 | $2,813 | premium | 25.2% | (253) 841-4353 |
| 16 | WASHINGTON REGIONAL MEDICAL SYSTEM | FAYETTEVILLE | AR | NURSE PRACTITIONER | 241 | 50 | $92,970 | $1,859 | premium | 49.5% | (479) 571-4338 |
| 17 | ATLANTIC BRAIN AND SPINE, P.A. | WILMINGTON | NC | PHYSICIAN ASSISTANT | 20 | 50 | $120,000 | $2,400 | premium | 18.5% | (910) 763-3333 |
| 18 | CLEVELAND CLINIC | CLEVELAND | OH | PHYSICIAN ASSISTANT | 6828 | 48 | $281,844 | $5,872 | premium | 19.5% | — |
| 19 | MAINEHEALTH | PORTLAND | ME | NURSE PRACTITIONER | 2574 | 46 | $86,586 | $1,882 | premium | 100.0% | (207) 885-9905 |
| 20 | WASHINGTON UNIVERSITY | SAINT LOUIS | MO | NURSE PRACTITIONER | 3070 | 43 | $158,556 | $3,687 | premium | 24.7% | (314) 747-3000 |
| 21 | FAIRBANKS PARTNERS LLC | CELEBRATION | FL | NEUROSURGERY | 36 | 43 | $131,320 | $3,054 | premium | 7.9% | (407) 975-0200 |
| 22 | UMASS MEMORIAL MEDICAL GROUP INC | WORCESTER | MA | PHYSICIAN ASSISTANT | 2483 | 43 | $157,279 | $3,658 | premium | 17.1% | (508) 334-1000 |
| 23 | LSU HEALTH SCIENCES CENTER SHREVEPORT FACULTY GROUP PRACTICE | SHREVEPORT | LA | PHYSICIAN ASSISTANT | 589 | 43 | $104,017 | $2,419 | premium | 31.6% | (318) 675-8700 |
| 24 | BRIGHAM AND WOMENS PHYSICIANS ORGANIZATION INC | BOSTON | MA | PHYSICIAN ASSISTANT | 2942 | 43 | $192,104 | $4,468 | premium | 17.1% | (617) 732-5500 |
| 25 | ST LUKES CLINIC-TREASURE VALLEY LLC | BOISE | ID | PHYSICIAN ASSISTANT | 1159 | 42 | $79,212 | $1,886 | premium | 53.8% | (208) 381-4210 |
| 26 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 41 | $133,127 | $3,247 | premium | 5.1% | (916) 681-8852 |
| 27 | DIAGNOSTIC IMAGING ASSOCIATES, P.C. | DES MOINES | IA | DIAGNOSTIC RADIOLOGY | 21 | 41 | $121,319 | $2,959 | premium | 29.5% | (515) 643-2667 |
| 28 | BAYSTATE MEDICAL PRACTICES INC | SPRINGFIELD | MA | PHYSICIAN ASSISTANT | 1326 | 40 | $79,258 | $1,981 | premium | 15.9% | — |
| 29 | NEW JERSEY BRAIN AND SPINE PC | MONTVALE | NJ | NEUROSURGERY | 36 | 39 | $235,366 | $6,035 | premium | 16.9% | (201) 342-2550 |
| 30 | YALE UNIVERSITY | NEW HAVEN | CT | PHYSICIAN ASSISTANT | 2649 | 38 | $146,680 | $3,860 | premium | 29.9% | (203) 688-4242 |
| 31 | UNIVERSITY OF WISCONSIN MEDICAL FOUNDATION INC | MADISON | WI | PHYSICIAN ASSISTANT | 2523 | 38 | $351,826 | $9,259 | premium | 31.7% | (608) 287-2050 |
| 32 | COMMUNITY CARE NETWORK INC | MUNSTER | IN | NURSE PRACTITIONER | 379 | 38 | $62,700 | $1,650 | premium | 20.2% | (219) 836-4563 |
| 33 | MAYO CLINIC | ROCHESTER | MN | NURSE PRACTITIONER | 4896 | 37 | $171,847 | $4,645 | premium | 41.6% | (507) 284-2511 |
| 34 | LEE HEALTH SYSTEM INC | FORT MYERS | FL | NURSE PRACTITIONER | 1370 | 35 | $137,725 | $3,935 | premium | 6.4% | (239) 343-9888 |
| 35 | ADMINISTRATORS OF THE TULANE EDUCATIONAL FUND | NEW ORLEANS | LA | INTERNAL MEDICINE | 412 | 35 | $71,328 | $2,038 | premium | 25.7% | — |
| 36 | NEW ENGLAND MEDICAL CENTER GROUP PRACTICE INC | BOSTON | MA | PHYSICIAN ASSISTANT | 29 | 34 | $169,830 | $4,995 | premium | 13.5% | (617) 636-7399 |
| 37 | HARVARD MEDICAL FACULTY PHYS AT BETH ISRAEL DEACONESS MED CTR INC | BOSTON | MA | INTERNAL MEDICINE | 1689 | 34 | $92,850 | $2,731 | premium | 13.5% | (781) 983-9088 |
| 38 | QUEENS UNIVERSITY MEDICAL GROUP | HONOLULU | HI | DIAGNOSTIC RADIOLOGY | 648 | 34 | $69,870 | $2,055 | premium | 60.7% | (808) 691-8200 |
| 39 | PIEDMONT PROVIDERS LLC | ATLANTA | GA | PHYSICIAN ASSISTANT | 509 | 33 | $111,612 | $3,382 | premium | 11.3% | (404) 367-3210 |
| 40 | VISTA RADIOLOGY, PC | KNOXVILLE | TN | DIAGNOSTIC RADIOLOGY | 68 | 33 | $98,340 | $2,980 | premium | 24.3% | (865) 546-9484 |
| 41 | ADVOCATE HEALTH AND HOSPITALS CORPORATION | BUFFALO GROVE | IL | NURSE PRACTITIONER | 3045 | 33 | $108,306 | $3,282 | premium | 7.9% | (847) 459-1160 |
| 42 | ST LUKES PHYSICIAN GROUP INC | BETHLEHEM | PA | PHYSICIAN ASSISTANT | 2164 | 33 | $116,062 | $3,517 | premium | 6.9% | (484) 526-2400 |
| 43 | RUTGERS HEALTH-RWJ NEUROSURGERY FACULTY | NEW BRUNSWICK | NJ | PHYSICIAN ASSISTANT | 192 | 32 | $398,800 | $12,462 | premium | 13.9% | (732) 828-3000 |
| 44 | MERCY HEALTH PHYSICIANS YOUNGSTOWN SPECIALTY CARE LLC | YOUNGSTOWN | OH | NURSE PRACTITIONER | 476 | 32 | $43,424 | $1,357 | premium | 13.0% | (330) 480-3655 |
| 45 | BHS PHYSICIANS NETWORK, INC | SAN ANTONIO | TX | PHYSICIAN ASSISTANT | 696 | 31 | $72,881 | $2,351 | premium | 7.5% | (210) 614-7414 |
| 46 | OSU INTERNAL MEDICINE LLC | COLUMBUS | OH | NURSE PRACTITIONER | 1155 | 31 | $116,560 | $3,760 | premium | 12.6% | (614) 293-8000 |
| 47 | MCV ASSOCIATED PHYSICIANS | RICHMOND | VA | NURSE PRACTITIONER | 1791 | 30 | $107,043 | $3,568 | premium | 9.3% | (804) 828-9000 |
| 48 | WELLSPAN MEDICAL GROUP | YORK | PA | PHYSICIAN ASSISTANT | 2312 | 30 | $48,750 | $1,625 | premium | 6.3% | — |
| 49 | RUSH UNIVERSITY MEDICAL GROUP | CHICAGO | IL | PHYSICIAN ASSISTANT | 1496 | 29 | $81,287 | $2,803 | premium | 6.9% | (312) 563-2875 |
| 50 | ALBANY MEDICAL COLLEGE | ALBANY | NY | PHYSICIAN ASSISTANT | 1070 | 29 | $75,733 | $2,611 | premium | 10.7% | (518) 262-3277 |
| 51 | CHRISTIANA CARE HEALTH SERVICES INC | NEWARK | PA | PHYSICIAN ASSISTANT | 1537 | 28 | $63,712 | $2,275 | premium | 5.9% | — |
| 52 | STANFORD HEALTH CARE | STANFORD | CA | DIAGNOSTIC RADIOLOGY | 3039 | 28 | $89,432 | $3,194 | premium | 3.5% | (650) 723-4000 |
| 53 | UNIVERSITY OF ALABAMA HEALTH SERVICES FOUNDATION, PC | BIRMINGHAM | AL | NURSE PRACTITIONER | 2788 | 28 | $49,364 | $1,763 | premium | 23.3% | (205) 934-3460 |
| 54 | KANSAS UNIVERSITY PHYSICIANS INC | KANSAS CITY | KS | NURSE PRACTITIONER | 1815 | 27 | $52,304 | $1,937 | premium | 20.6% | (913) 588-1227 |
| 55 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 27 | $91,854 | $3,402 | premium | 3.4% | (415) 600-1020 |
| 56 | UT PHYSICIANS | HOUSTON | TX | NEUROLOGY | 202 | 27 | $96,410 | $3,571 | premium | 6.5% | (713) 486-8000 |
| 57 | INOVA HEALTH CARE SERVICES | FALLS CHURCH | VA | NURSE PRACTITIONER | 1818 | 27 | $69,012 | $2,556 | premium | 8.4% | — |
| 58 | MEDICAL IMAGING OF LEHIGH VALLEY PC | ALLENTOWN | PA | DIAGNOSTIC RADIOLOGY | 119 | 27 | $67,500 | $2,500 | premium | 5.7% | (610) 770-1606 |
| 59 | OCHSNER CLINIC LLC | NEW ORLEANS | LA | NURSE PRACTITIONER | 2839 | 26 | $74,984 | $2,884 | premium | 19.1% | (504) 842-3000 |
| 60 | DEAN HEALTH SYSTEMS INC | MADISON | WI | PHYSICIAN ASSISTANT | 1200 | 26 | $191,126 | $7,351 | premium | 21.7% | (608) 260-2900 |
| 61 | COMMUNITY HEALTH PARTNERS | FRESNO | CA | INTERNAL MEDICINE | 509 | 26 | $128,225 | $4,932 | premium | 3.2% | (559) 459-6000 |
| 62 | UNIVERSITY OF VIRGINIA PHYSICIANS GROUP | CHARLOTTESVILLE | VA | NURSE PRACTITIONER | 1704 | 26 | $72,016 | $2,770 | premium | 8.0% | (434) 924-5959 |
| 63 | RADIOLOGY ASSOCIATES OF RICHMOND INC | RICHMOND | VA | DIAGNOSTIC RADIOLOGY | 70 | 25 | $54,119 | $2,165 | premium | 7.7% | (804) 272-8806 |
| 64 | RIVERSIDE PHYSICIAN SERVICES INC | NEWPORT NEWS | VA | PHYSICIAN ASSISTANT | 793 | 25 | $42,300 | $1,692 | premium | 7.7% | — |
| 65 | EMORY MEDICAL CARE FOUNDATION INC | ATLANTA | GA | INTERNAL MEDICINE | 1010 | 25 | $65,400 | $2,616 | premium | 8.6% | (404) 616-1000 |
| 66 | NEUROLOGY ASSOCIATES OF KANSAS LLC | WICHITA | KS | NEUROLOGY | 6 | 25 | $69,610 | $2,784 | premium | 19.1% | (316) 682-5544 |
| 67 | WEST VIRGINIA UNIVERSITY MEDICAL CORPORATION | MORGANTOWN | WV | PHYSICIAN ASSISTANT | 1996 | 25 | $60,100 | $2,404 | premium | 100.0% | (304) 598-4865 |
| 68 | SETON FAMILY OF DOCTORS | AUSTIN | TX | PHYSICIAN ASSISTANT | 804 | 25 | $62,571 | $2,503 | premium | 6.1% | (512) 324-7300 |
| 69 | WEST COUNTY RADIOLOGICAL GROUP INC | SAINT LOUIS | MO | DIAGNOSTIC RADIOLOGY | 104 | 24 | $74,160 | $3,090 | premium | 13.8% | (314) 941-5600 |
| 70 | HEALTH FIRST MEDICAL GROUP, LLC | MELBOURNE | FL | NURSE PRACTITIONER | 669 | 24 | $43,056 | $1,794 | premium | 4.4% | (321) 434-8878 |
| 71 | NORTHEAST GEORGIA PHYSICIANS GROUP INC | GAINESVILLE | GA | PHYSICIAN ASSISTANT | 901 | 24 | $67,992 | $2,833 | premium | 8.2% | (770) 219-7777 |
| 72 | VASCULAR NEUROLOGY OF SOUTHERN CALIFORNIA INC | THOUSAND OAKS | CA | NEUROLOGY | 8 | 24 | $48,438 | $2,018 | premium | 3.0% | (805) 242-4884 |
| 73 | DUKE HEALTH INTEGRATED PRACTICE INC | DURHAM | NC | PHYSICIAN ASSISTANT | 3051 | 23 | $71,070 | $3,090 | premium | 8.5% | (919) 684-8111 |
| 74 | JEFFERSON UNIVERSITY PHYSICIANS | PHILADELPHIA | PA | DIAGNOSTIC RADIOLOGY | 1570 | 23 | $49,680 | $2,160 | premium | 4.8% | — |
| 75 | UNIVERSITY MEDICAL ASSOCIATES OF THE MEDICAL UNIVERSITY OF SOUTH CAROL | CHARLESTON | SC | PHYSICIAN ASSISTANT | 1692 | 23 | $77,635 | $3,375 | premium | 20.9% | (843) 792-1414 |
| 76 | UNIVERSITY MEDICAL ASSOCIATES OF THE MEDICAL UNIVERSITY OF SOUTH CAROL | CHARLESTON | IA | PHYSICIAN ASSISTANT | 1692 | 23 | $79,712 | $3,466 | premium | 16.5% | (843) 792-1414 |
| 77 | GEISINGER CLINIC | DANVILLE | PA | PHYSICIAN ASSISTANT | 3426 | 23 | $256,818 | $11,166 | premium | 4.8% | (570) 271-6144 |
| 78 | MISSION HEALTH COMMUNITY MULTISPECIALTY PROVIDERS LLC | ASHEVILLE | NC | PHYSICIAN ASSISTANT | 593 | 22 | $54,318 | $2,469 | premium | 8.1% | (828) 213-1740 |
| 79 | ST VINCENT MEDICAL GROUP | LITTLE ROCK | AR | FAMILY PRACTICE | 247 | 22 | $37,986 | $1,727 | premium | 21.8% | (501) 562-4838 |
| 80 | ANCHORAGE NEUROSURGICAL ASSOCIATES INC | ANCHORAGE | AK | NEUROSURGERY | 12 | 22 | $312,120 | $14,187 | premium | 100.0% | (907) 258-6999 |
| 81 | SACRED HEART HEALTH SYSTEM INC | PENSACOLA | FL | NURSE PRACTITIONER | 371 | 22 | $46,012 | $2,091 | premium | 4.0% | (850) 416-2400 |
| 82 | ROCKFORD HEALTH PHYSICIANS | ROCKFORD | IN | DIAGNOSTIC RADIOLOGY | 516 | 22 | $67,404 | $3,064 | premium | 11.7% | (815) 971-2000 |
| 83 | MODESTO RADIOLOGICAL MEDICAL GROUP INC | TURLOCK | HI | DIAGNOSTIC RADIOLOGY | 101 | 22 | $110,396 | $5,018 | premium | 39.3% | (209) 669-0600 |
| 84 | HACKENSACK MERIDIAN HEALTH MEDICAL GROUP - SPECIALTY CARE PC | NEPTUNE | NJ | NURSE PRACTITIONER | 1878 | 21 | $56,440 | $2,688 | premium | 9.1% | (732) 362-3663 |
| 85 | COMMUNITY MEDICAL ASSOCIATES INC | LOUISVILLE | KY | NURSE PRACTITIONER | 1377 | 21 | $51,799 | $2,467 | premium | 17.8% | (502) 937-2209 |
| 86 | COMMUNITY HEALTH PARTNERS | FRESNO | PA | INTERNAL MEDICINE | 509 | 21 | $47,153 | $2,245 | premium | 4.4% | (559) 459-6000 |
| 87 | FAIRFAX RADIOLOGICAL CONSULTANTS | ALEXANDRIA | VA | DIAGNOSTIC RADIOLOGY | 150 | 20 | $47,292 | $2,365 | premium | 6.2% | (703) 698-4444 |
| 88 | OCALA HEALTH SURGICAL GROUP LLC | OCALA | FL | NURSE PRACTITIONER | 49 | 20 | $58,529 | $2,926 | premium | 3.7% | (352) 401-1000 |
| 89 | HACKENSACK MERIDIAN HEALTH MEDICAL GROUP - SPECIALTY CARE PC | NEPTUNE | MD | NURSE PRACTITIONER | 1878 | 19 | $51,235 | $2,697 | premium | 8.1% | (732) 362-3663 |
| 90 | KANSAS IMAGING CONSULTANTS PA | WICHITA | KS | DIAGNOSTIC RADIOLOGY | 29 | 19 | $43,111 | $2,269 | premium | 14.5% | (316) 630-5000 |
| 91 | TRIAD RADIOLOGY ASSOCIATES PLLC | WINSTON SALEM | NC | DIAGNOSTIC RADIOLOGY | 78 | 19 | $58,691 | $3,089 | premium | 7.0% | (336) 718-7800 |
| 92 | BROWARD NEUROSURGEONS LLC | FORT PIERCE | FL | PHYSICIAN ASSISTANT | 22 | 19 | $55,723 | $2,933 | premium | 3.5% | (772) 461-4000 |
| 93 | COMMUNITY HEALTH PARTNERS | FRESNO | FL | INTERNAL MEDICINE | 509 | 19 | $42,662 | $2,245 | premium | 3.5% | (559) 459-6000 |
| 94 | OU HEALTH PARTNERS INC | OKLAHOMA CITY | OK | PHYSICIAN ASSISTANT | 1160 | 19 | $64,383 | $3,389 | premium | 28.8% | (405) 271-4311 |
| 95 | ALLINA HEALTH SYSTEM | MINNEAPOLIS | WI | PHYSICIAN ASSISTANT | 3855 | 19 | $89,218 | $4,696 | premium | 15.8% | (612) 863-4000 |
| 96 | UNIVERSITY OF VERMONT MEDICAL CENTER INC | BURLINGTON | VT | PHYSICIAN ASSISTANT | 1194 | 19 | $68,465 | $3,603 | premium | 100.0% | (802) 847-0000 |
| 97 | MUNSON MEDICAL CENTER | TRAVERSE CITY | MI | PHYSICIAN ASSISTANT | 378 | 19 | $38,317 | $2,017 | premium | 12.8% | (231) 935-8000 |
| 98 | VIDANT MEDICAL GROUP LLC | KENANSVILLE | NC | PHYSICIAN ASSISTANT | 956 | 19 | $36,670 | $1,930 | premium | 7.0% | (910) 296-0941 |
| 99 | MISSION HEALTH COMMUNITY MULTISPECIALTY PROVIDERS LLC | ASHEVILLE | PA | PHYSICIAN ASSISTANT | 593 | 18 | $44,442 | $2,469 | premium | 3.8% | (828) 213-1740 |
| 100 | RIVERSIDE RADIOLOGY AND INTERVENTIONAL ASSOCIATES INC | COLUMBUS | OH | DIAGNOSTIC RADIOLOGY | 243 | 18 | $57,888 | $3,216 | premium | 7.3% | (614) 566-5600 |
Showing the top 100 of 181 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 →