2,853 observed fee-for-service (49%) · ~2,980 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 | 78072 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 | RADIOLOGY ASSOCIATES OF NORTH TEXAS PA | FORT WORTH | TX | DIAGNOSTIC RADIOLOGY | 340 | 124 | $37,572 | $303 | premium | 15.8% | (817) 321-0470 |
| 2 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 109 | $243,414 | $2,233 | premium | 15.2% | (916) 681-8852 |
| 3 | UNIVERSITY PHYSICIANS INCORPORATED | AURORA | CO | PHYSICIAN ASSISTANT | 3122 | 89 | $27,590 | $310 | premium | 72.4% | (720) 777-1234 |
| 4 | BEAUMONT MEDICAL GROUP- SPECIALTY SERVICES | ROYAL OAK | MI | PHYSICIAN ASSISTANT | 833 | 83 | $78,951 | $951 | premium | 30.9% | (248) 898-5058 |
| 5 | PALM DESERT RADIOLOGY MEDICAL GROUP INC | RANCHO MIRAGE | CA | DIAGNOSTIC RADIOLOGY | 125 | 78 | $72,072 | $924 | premium | 10.8% | (760) 773-1251 |
| 6 | UT PHYSICIANS | HOUSTON | TX | NURSE PRACTITIONER | 1758 | 77 | $34,496 | $448 | premium | 9.8% | (713) 566-5000 |
| 7 | ADVANCED RADIOLOGY SERVICES PC | GRAND RAPIDS | MI | DIAGNOSTIC RADIOLOGY | 249 | 74 | $22,348 | $302 | premium | 27.5% | (616) 363-7272 |
| 8 | UNIVERSITY OF LOUISVILLE PHYSICIANS INC | LOUISVILLE | KY | NURSE PRACTITIONER | 1442 | 66 | $13,119 | $199 | premium | 31.3% | (502) 629-2398 |
| 9 | SPRINGFIELD CLINIC, LLP | SPRINGFIELD | IL | NURSE PRACTITIONER | 686 | 65 | $129,428 | $1,991 | premium | 14.3% | (217) 544-6464 |
| 10 | MEDSTAR MEDICAL GROUP II LLC | WASHINGTON | DC | PHYSICIAN ASSISTANT | 3707 | 64 | $15,213 | $238 | premium | 73.6% | (202) 429-2401 |
| 11 | RIVERSIDE RADIOLOGY AND INTERVENTIONAL ASSOCIATES INC | COLUMBUS | OH | DIAGNOSTIC RADIOLOGY | 243 | 61 | $20,435 | $335 | premium | 19.4% | (614) 566-5600 |
| 12 | UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL CENTER AT DALLAS | DALLAS | TX | PHYSICIAN ASSISTANT | 3200 | 59 | $14,042 | $238 | premium | 7.5% | (214) 633-5555 |
| 13 | REGENTS OF THE UNIV OF CA | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 1608 | 57 | $26,220 | $460 | premium | 7.9% | (877) 827-7463 |
| 14 | CLEVELAND CLINIC HEALTH SERVICES PROFESSIONAL ASSOCIATION, INC | FRISCO | OR | DIAGNOSTIC RADIOLOGY | 60 | 54 | $27,685 | $513 | premium | 100.0% | (630) 235-2454 |
| 15 | UNIVERSITY OF VIRGINIA PHYSICIANS GROUP | CHARLOTTESVILLE | VA | NURSE PRACTITIONER | 1704 | 53 | $11,410 | $215 | premium | 14.1% | (434) 924-5959 |
| 16 | SCRIPPS HEALTH | LA JOLLA | CA | PHYSICIAN ASSISTANT | 1431 | 45 | $17,773 | $395 | premium | 6.3% | (858) 455-9100 |
| 17 | MAYO CLINIC ARIZONA | PHOENIX | AZ | PHYSICIAN ASSISTANT | 1635 | 45 | $95,760 | $2,128 | premium | 27.8% | (800) 603-0558 |
| 18 | RED RIVER CONSULTANTS INC | SHREVEPORT | LA | DIAGNOSTIC RADIOLOGY | 60 | 45 | $10,125 | $225 | premium | 70.3% | (318) 212-4550 |
| 19 | RADIOLOGY PHYSICIANS INC | DAYTON | OH | DIAGNOSTIC RADIOLOGY | 61 | 39 | $12,324 | $316 | premium | 12.4% | (937) 208-8000 |
| 20 | PHYSICIANS REFERRAL SERVICE | HOUSTON | TX | NURSE PRACTITIONER | 2696 | 36 | $20,784 | $577 | premium | 4.6% | (713) 592-5433 |
| 21 | UMASS MEMORIAL MEDICAL GROUP INC | WORCESTER | MA | PHYSICIAN ASSISTANT | 2483 | 35 | $13,300 | $380 | premium | 74.5% | (508) 334-1000 |
| 22 | UNIVERSITY OF MARYLAND COMMUNITY MEDICAL GROUP INC | GLEN BURNIE | DE | NURSE PRACTITIONER | 458 | 34 | $7,548 | $222 | premium | 27.6% | (410) 761-1222 |
| 23 | FLORIDA HOSPITAL MEDICAL GROUP INC | ORLANDO | FL | DIAGNOSTIC RADIOLOGY | 321 | 34 | $7,514 | $221 | premium | 10.4% | (407) 303-5600 |
| 24 | KENTUCKY MEDICAL SERVICES FOUNDATION, INC | LEXINGTON | KY | DIAGNOSTIC RADIOLOGY | 989 | 33 | $4,620 | $140 | premium | 15.6% | (859) 257-1412 |
| 25 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 33 | $14,388 | $436 | premium | 7.2% | — |
| 26 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 33 | $74,151 | $2,247 | premium | 4.6% | (415) 600-1020 |
| 27 | UNIVERSITY OF CINCINNATI PHYSICIANS COMPANY LLC | CINCINNATI | OH | NURSE PRACTITIONER | 1504 | 33 | $7,095 | $215 | premium | 10.5% | (513) 584-1000 |
| 28 | NORTHWEST RADIOLOGY ASSOCIATES SC | ARLINGTON HEIGHTS | IL | DIAGNOSTIC RADIOLOGY | 21 | 32 | $9,088 | $284 | premium | 7.0% | (847) 618-1000 |
| 29 | IHC HEALTH SERVICES INC | MURRAY | UT | PHYSICIAN ASSISTANT | 3944 | 31 | $5,983 | $193 | premium | 100.0% | (801) 261-8346 |
| 30 | STATE UNIVERSITY OF IOWA | IOWA CITY | IA | PHYSICIAN ASSISTANT | 1902 | 30 | $13,908 | $464 | premium | 27.5% | (319) 678-8201 |
| 31 | RADIOLOGY REGIONAL CENTER P A | FORT MYERS | MI | DIAGNOSTIC RADIOLOGY | 52 | 29 | $8,758 | $302 | premium | 10.8% | (239) 936-2316 |
| 32 | RHODE ISLAND MEDICAL IMAGING INC | EAST PROVIDENCE | RI | DIAGNOSTIC RADIOLOGY | 109 | 28 | $8,400 | $300 | premium | 100.0% | (401) 626-3900 |
| 33 | WELLSTAR MEDICAL GROUP LLC | MARIETTA | GA | NURSE PRACTITIONER | 3060 | 28 | $5,722 | $204 | premium | 26.2% | (770) 422-2004 |
| 34 | LOYOLA UNIVERSITY MEDICAL CENTER | MAYWOOD | IL | NURSE PRACTITIONER | 933 | 28 | $9,716 | $347 | premium | 6.1% | (708) 216-8372 |
| 35 | BLACKWELL PHYSICIANS, LLC | ROCKVILLE | MD | DIAGNOSTIC RADIOLOGY | 67 | 28 | $15,468 | $552 | premium | 12.1% | (240) 826-6074 |
| 36 | HURON VALLEY RADIOLOGY PC | YPSILANTI | MI | DIAGNOSTIC RADIOLOGY | 77 | 27 | $6,785 | $251 | premium | 10.0% | (734) 712-8350 |
| 37 | LESTER E COX MEDICAL CENTERS | SPRINGFIELD | MO | PHYSICIAN ASSISTANT | 251 | 26 | $4,150 | $160 | premium | 33.8% | (417) 875-3000 |
| 38 | DIAGNOSTIC IMAGING ASSOCIATES, P.C. | DES MOINES | IA | DIAGNOSTIC RADIOLOGY | 21 | 26 | $7,800 | $300 | premium | 23.9% | (515) 643-2667 |
| 39 | MAYO CLINIC JACKSONVILLE | JACKSONVILLE | FL | NURSE PRACTITIONER | 1587 | 26 | $71,786 | $2,761 | premium | 8.0% | (904) 953-2000 |
| 40 | WASHINGTON UNIVERSITY | SAINT LOUIS | MO | NURSE PRACTITIONER | 3070 | 24 | $10,344 | $431 | premium | 31.2% | (314) 747-3000 |
| 41 | SCOTT AND WHITE CLINIC | TEMPLE | TX | PHYSICIAN ASSISTANT | 2435 | 24 | $8,520 | $355 | premium | 3.1% | (254) 724-2663 |
| 42 | ENGLEWOOD RADIOLOGIC GROUP P A | ENGLEWOOD | NY | DIAGNOSTIC RADIOLOGY | 125 | 24 | $5,160 | $215 | premium | 11.2% | (201) 894-3480 |
| 43 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | NY | PHYSICIAN ASSISTANT | 6294 | 24 | $9,327 | $389 | premium | 11.2% | — |
| 44 | BLUE RIDGE RADIOLOGY PC | LYNCHBURG | TN | DIAGNOSTIC RADIOLOGY | 76 | 23 | $5,980 | $260 | premium | 37.1% | (423) 968-1144 |
| 45 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | MI | NURSE PRACTITIONER | 4339 | 23 | $10,028 | $436 | premium | 8.6% | — |
| 46 | RADIOLOGY ASSOCIATES OF ABILENE PA | ABILENE | TX | DIAGNOSTIC RADIOLOGY | 25 | 23 | $7,015 | $305 | premium | 2.9% | (325) 670-2000 |
| 47 | HOUSTON RADIOLOGY ASSOCIATED | HOUSTON | TX | DIAGNOSTIC RADIOLOGY | 103 | 22 | $10,142 | $461 | premium | 2.8% | (281) 206-9020 |
| 48 | WELLSPAN MEDICAL GROUP | YORK | PA | PHYSICIAN ASSISTANT | 2312 | 21 | $3,213 | $153 | premium | 5.6% | — |
| 49 | KETTERING NETWORK RADIOLOGISTS INC | DAYTON | OH | DIAGNOSTIC RADIOLOGY | 74 | 20 | $6,140 | $307 | premium | 6.4% | (937) 558-3800 |
| 50 | COLUMBUS RADIOLOGY CORP | COLUMBUS | PA | DIAGNOSTIC RADIOLOGY | 288 | 20 | $23,940 | $1,197 | premium | 5.4% | (614) 228-7231 |
| 51 | HAMPTON ROADS RADIOLOGY ASSOCIATES PC | VIRGINIA BEACH | VA | DIAGNOSTIC RADIOLOGY | 37 | 20 | $5,760 | $288 | premium | 5.3% | (757) 916-9630 |
| 52 | DRS HARRIS BIRKHILL WANG SONGE AND ASSOC PC | DEARBORN | MI | DIAGNOSTIC RADIOLOGY | 62 | 20 | $3,660 | $183 | premium | 7.4% | (313) 593-7301 |
| 53 | KETTERING NETWORK RADIOLOGISTS INC | DAYTON | PA | DIAGNOSTIC RADIOLOGY | 74 | 19 | $5,833 | $307 | premium | 5.1% | (937) 558-3800 |
| 54 | EVANSVILLE RADIOLOGY PC | EVANSVILLE | IN | DIAGNOSTIC RADIOLOGY | 29 | 19 | $5,187 | $273 | premium | 24.7% | (812) 422-3254 |
| 55 | MEDICAL CENTER RADIOLOGISTS INC | NORFOLK | VA | DIAGNOSTIC RADIOLOGY | 123 | 18 | $4,230 | $235 | premium | 4.8% | (757) 466-6870 |
| 56 | UNIVERSITY HOSPITALS MEDICAL GROUP INC | CLEVELAND | IA | NURSE PRACTITIONER | 2232 | 18 | $3,546 | $197 | premium | 16.5% | — |
| 57 | FACULTY PHYSICIANS AND SURGEONS OF LLUSM | LOMA LINDA | CA | DIAGNOSTIC RADIOLOGY | 1317 | 18 | $7,492 | $416 | premium | 2.5% | — |
| 58 | RADIA INC P S | SEATTLE | TN | DIAGNOSTIC RADIOLOGY | 270 | 17 | $5,916 | $348 | premium | 27.4% | (206) 320-3700 |
| 59 | UNIVERSITY HOSPITALS MEDICAL GROUP INC | CLEVELAND | OH | NURSE PRACTITIONER | 2232 | 17 | $3,349 | $197 | premium | 5.4% | — |
| 60 | DARTMOUTH-HITCHCOCK CLINIC | LEBANON | NH | PHYSICIAN ASSISTANT | 1441 | 17 | $24,531 | $1,443 | premium | 56.7% | (603) 650-5000 |
| 61 | THE ASSOCIATION OF UNIVERSITY PHYSICIANS | SEATTLE | WA | PHYSICIAN ASSISTANT | 3612 | 17 | $3,824 | $225 | premium | 17.0% | (206) 364-0500 |
| 62 | SANFORD CLINIC | SIOUX FALLS | SD | DIAGNOSTIC RADIOLOGY | 276 | 16 | $4,736 | $296 | premium | 100.0% | (605) 328-8700 |
| 63 | ENLOE MEDICAL CENTER | CHICO | CA | DIAGNOSTIC RADIOLOGY | 362 | 15 | $2,430 | $162 | premium | 2.1% | (530) 332-4470 |
| 64 | WOODBURN NUCLEAR MEDICINE, LTD | ANNANDALE | VA | NUCLEAR MEDICINE | 7 | 15 | $13,875 | $925 | premium | 4.0% | (703) 698-0666 |
| 65 | WEST COUNTY RADIOLOGICAL GROUP INC | SAINT LOUIS | MO | DIAGNOSTIC RADIOLOGY | 104 | 15 | $4,005 | $267 | premium | 19.5% | (314) 941-5600 |
| 66 | NORTHERN VIRGINIA RADIOLOGY CONSULTANTS, PLLC | ARLINGTON | VA | DIAGNOSTIC RADIOLOGY | 28 | 15 | $2,480 | $165 | premium | 4.0% | (517) 481-2442 |
| 67 | SPARTANBURG MEDICAL CENTER | SPARTANBURG | NC | NURSE PRACTITIONER | 1070 | 15 | $3,720 | $248 | premium | 31.2% | (864) 587-3000 |
| 68 | CHARLOTTE RADIOLOGY PA | CHARLOTTE | NC | DIAGNOSTIC RADIOLOGY | 218 | 14 | $7,952 | $568 | premium | 29.2% | (704) 362-1945 |
| 69 | MCV ASSOCIATED PHYSICIANS | RICHMOND | VA | NURSE PRACTITIONER | 1791 | 14 | $4,704 | $336 | premium | 3.7% | (804) 828-9000 |
| 70 | TEMPLE FACULTY PRACTICE PLAN INC | PHILADELPHIA | VA | PHYSICIAN ASSISTANT | 1330 | 14 | $5,152 | $368 | premium | 3.7% | — |
| 71 | LIMA RADIOLOGICAL ASSOCIATES | LIMA | OH | DIAGNOSTIC RADIOLOGY | 47 | 13 | $4,186 | $322 | premium | 4.1% | (419) 226-9023 |
| 72 | BAY IMAGING CONSULTANTS MEDICAL GROUP INC | WALNUT CREEK | OH | DIAGNOSTIC RADIOLOGY | 134 | 13 | $15,561 | $1,197 | premium | 4.1% | (925) 947-5320 |
| 73 | OSU RADIOLOGY LLC | COLUMBUS | OH | DIAGNOSTIC RADIOLOGY | 174 | 13 | $3,510 | $270 | premium | 4.1% | (614) 293-8315 |
| 74 | RADIOLOGISTS OF UNIV OF ROCHESTER | ROCHESTER | NY | DIAGNOSTIC RADIOLOGY | 134 | 13 | $4,095 | $315 | premium | 6.0% | — |
| 75 | MCV ASSOCIATED PHYSICIANS | RICHMOND | WI | NURSE PRACTITIONER | 1791 | 13 | $4,368 | $336 | premium | 13.7% | (804) 828-9000 |
| 76 | IMAGING ASSOCIATES LLC | ANCHORAGE | AK | DIAGNOSTIC RADIOLOGY | 23 | 13 | $41,621 | $3,202 | premium | 100.0% | (901) 222-4624 |
| 77 | REGENTS OF THE UNIV OF CA | SACRAMENTO | AR | DIAGNOSTIC RADIOLOGY | 1608 | 13 | $5,980 | $460 | premium | 18.6% | (877) 827-7463 |
| 78 | SPARTANBURG MEDICAL CENTER | SPARTANBURG | SC | NURSE PRACTITIONER | 1070 | 13 | $3,196 | $246 | premium | 11.0% | (864) 587-3000 |
| 79 | RADIOLOGY IMAGING ASSOCIATES PC | ENGLEWOOD | CO | DIAGNOSTIC RADIOLOGY | 148 | 13 | $4,171 | $321 | premium | 10.6% | (303) 761-9190 |
| 80 | RADIOLOGY ASSOCIATES OF ALBUQUERQUE PA | ALBUQUERQUE | NM | DIAGNOSTIC RADIOLOGY | 101 | 13 | $3,523 | $271 | premium | 43.3% | (505) 332-5827 |
| 81 | ENDEAVOR HEALTH MEDICAL GROUP | EVANSTON | IL | NURSE PRACTITIONER | 3380 | 13 | $3,237 | $249 | premium | 2.9% | — |
| 82 | NASHUA RADIOLOGY PA | NASHUA | NH | DIAGNOSTIC RADIOLOGY | 10 | 13 | $3,926 | $302 | premium | 43.3% | (207) 784-2554 |
| 83 | WASHINGTON NUCLEAR MEDICINE LLC | Auburn | WA | NUCLEAR MEDICINE | 2 | 13 | $1,352 | $104 | premium | 13.0% | — |
| 84 | SCRIPPS HEALTH | LA JOLLA | MA | PHYSICIAN ASSISTANT | 1431 | 12 | $4,739 | $395 | premium | 25.5% | (858) 455-9100 |
| 85 | RADIOLOGICAL PHYSICIAN ASSOCIATES INC | BRIDGEPORT | WV | DIAGNOSTIC RADIOLOGY | 28 | 12 | $2,842 | $237 | premium | 50.0% | (681) 342-1000 |
| 86 | SPECTRUM HEALTHCARE PARTNERS PA | PORTLAND | ME | DIAGNOSTIC RADIOLOGY | 281 | 12 | $2,844 | $237 | premium | 100.0% | (207) 828-2160 |
| 87 | NORTH METROPOLITAN RADIOLOGY ASSOCIATES LLP | LAWRENCEVILLE | GA | DIAGNOSTIC RADIOLOGY | 44 | 12 | $4,752 | $396 | premium | 11.2% | (678) 312-0900 |
| 88 | COMMUNITY RADIOLOGY ASSOCIATES INC | FREDERICK | MD | DIAGNOSTIC RADIOLOGY | 62 | 12 | $16,068 | $1,339 | premium | 5.2% | (888) 601-0943 |
| 89 | RADIOLOGY AND MEDICAL IMAGERY OF NEWNAN PC | NEWNAN | GA | DIAGNOSTIC RADIOLOGY | 35 | 12 | $3,396 | $283 | premium | 11.2% | (770) 400-1000 |
| 90 | WEST VIRGINIA UNIVERSITY MEDICAL CORPORATION | MORGANTOWN | WV | PHYSICIAN ASSISTANT | 1996 | 12 | $2,628 | $219 | premium | 50.0% | (304) 598-4865 |
| 91 | TEMPLE FACULTY PRACTICE PLAN INC | PHILADELPHIA | PA | PHYSICIAN ASSISTANT | 1330 | 12 | $3,000 | $250 | premium | 3.2% | — |
| 92 | RIDGEVIEW MEDICAL CENTER | WACONIA | MN | DIAGNOSTIC RADIOLOGY | 412 | 11 | $2,662 | $242 | premium | 14.5% | (952) 442-2191 |
| 93 | COOPER UNIVERSITY RADIOLOGY PC | CAMDEN | NJ | DIAGNOSTIC RADIOLOGY | 68 | 11 | $10,483 | $953 | premium | 9.6% | — |
| 94 | COMMUNITY RADIOLOGY ASSOCIATES INC | FREDERICK | KS | DIAGNOSTIC RADIOLOGY | 62 | 11 | $14,729 | $1,339 | premium | 33.3% | (888) 601-0943 |
| 95 | TENNESSEE INTERVENTIONAL AND IMAGING ASSOCIATES PLLC | CHATTANOOGA | TN | DIAGNOSTIC RADIOLOGY | 32 | 11 | $2,227 | $202 | premium | 17.7% | (423) 778-7234 |
| 96 | THE MILTON S HERSHEY MEDICAL CENTER PHYSICIANS GROUP | HERSHEY | PA | PHYSICIAN ASSISTANT | 1599 | 11 | $2,750 | $250 | premium | 2.9% | (717) 531-5638 |
| 97 | SMI IMAGING LLC | PHOENIX | AZ | DIAGNOSTIC RADIOLOGY | 364 | 11 | $18,898 | $1,718 | premium | 6.8% | (480) 753-6161 |
| 98 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | CT | PHYSICIAN ASSISTANT | 6294 | 11 | $4,275 | $389 | premium | 100.0% | — |
| 99 | RADIOLOGIC CENTER INC | OMAHA | NE | DIAGNOSTIC RADIOLOGY | 20 | 11 | $3,080 | $280 | premium | 100.0% | (402) 390-0606 |
| 100 | ADVANCED MIDWEST RADIOLOGY S C | NEW LENOX | IL | DIAGNOSTIC RADIOLOGY | 25 | 11 | $3,190 | $290 | premium | 2.4% | (815) 717-8478 |
Showing the top 100 of 91 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 →