78315 — Nuclear medicine study of bone taken at different times
6,161 observed fee-for-service (49%) · ~6,460 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 | 78315 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | RADIOLOGY ASSOCIATES OF NORTH TEXAS PA | FORT WORTH | TX | DIAGNOSTIC RADIOLOGY | 340 | 277 | $54,569 | $197 | premium | 18.4% | (817) 321-0470 |
| 2 | ADVANCED RADIOLOGY P A | BALTIMORE | MD | DIAGNOSTIC RADIOLOGY | 161 | 153 | $126,525 | $827 | premium | 31.0% | (888) 972-9700 |
| 3 | ADVANCED RADIOLOGY SERVICES PC | GRAND RAPIDS | MI | DIAGNOSTIC RADIOLOGY | 249 | 134 | $25,938 | $194 | premium | 26.4% | (616) 363-7272 |
| 4 | IHC HEALTH SERVICES INC | MURRAY | UT | PHYSICIAN ASSISTANT | 3944 | 122 | $35,176 | $288 | premium | 91.7% | (801) 261-8346 |
| 5 | ARKANSAS HEALTH GROUP | LITTLE ROCK | AR | CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) | 666 | 112 | $19,984 | $178 | premium | 36.5% | (501) 202-2093 |
| 6 | SPARTANBURG MEDICAL CENTER | SPARTANBURG | SC | NURSE PRACTITIONER | 1070 | 99 | $14,797 | $149 | premium | 37.1% | (864) 587-3000 |
| 7 | MECKLENBURG RADIOLOGY ASSOCIATES PA | CHARLOTTE | NC | DIAGNOSTIC RADIOLOGY | 94 | 96 | $15,456 | $161 | premium | 19.4% | (704) 332-1291 |
| 8 | SDMI, LLC | LAS VEGAS | NV | DIAGNOSTIC RADIOLOGY | 36 | 95 | $94,050 | $990 | premium | 44.4% | (702) 732-6000 |
| 9 | MEDICAL CENTER RADIOLOGISTS INC | NORFOLK | VA | DIAGNOSTIC RADIOLOGY | 123 | 95 | $14,440 | $152 | premium | 24.0% | (757) 466-6870 |
| 10 | RADIOLOGY ASSOCIATES OF ABILENE PA | ABILENE | TX | DIAGNOSTIC RADIOLOGY | 25 | 92 | $16,376 | $178 | premium | 6.1% | (325) 670-2000 |
| 11 | LAKE MEDICAL IMAGING AND BREAST CENTER AT THE VILLAGES LLC | LEESBURG | FL | DIAGNOSTIC RADIOLOGY | 22 | 91 | $84,994 | $934 | premium | 6.0% | (352) 787-5858 |
| 12 | RADIOLOGY PHYSICIANS INC | DAYTON | OH | DIAGNOSTIC RADIOLOGY | 61 | 88 | $16,016 | $182 | premium | 15.8% | (937) 208-8000 |
| 13 | RADIOLOGY OF HUNSTVILLE PC | HUNTSVILLE | AL | DIAGNOSTIC RADIOLOGY | 63 | 88 | $14,270 | $162 | premium | 42.1% | 2565390457145 |
| 14 | UT PHYSICIANS | HOUSTON | TX | NURSE PRACTITIONER | 1758 | 84 | $29,224 | $348 | premium | 5.6% | (713) 566-5000 |
| 15 | CENTRAL ILLINOIS RADIOLOGICAL ASSOCIATES LTD | PEORIA | IL | DIAGNOSTIC RADIOLOGY | 196 | 77 | $19,481 | $253 | premium | 13.4% | (309) 655-2000 |
| 16 | MORI BEAN AND BROOKS INC | ORANGE PARK | PA | DIAGNOSTIC RADIOLOGY | 947 | 77 | $56,056 | $728 | premium | 8.6% | (904) 399-5550 |
| 17 | TOWER HEALTH MEDICAL GROUP | WEST READING | PA | INTERNAL MEDICINE | 590 | 77 | $11,627 | $151 | premium | 8.6% | (484) 628-5455 |
| 18 | ZWANGER AND PESIRI RADIOLOGY GROUP LLP | LINDENHURST | NY | DIAGNOSTIC RADIOLOGY | 91 | 77 | $37,125 | $482 | premium | 15.6% | (631) 225-7200 |
| 19 | COMMONWEALTH RADIOLOGY PC | RICHMOND | VA | DIAGNOSTIC RADIOLOGY | 49 | 76 | $12,540 | $165 | premium | 19.2% | (804) 288-8327 |
| 20 | AMIN RADIOLOGY INC | CRYSTAL RIVER | FL | DIAGNOSTIC RADIOLOGY | 10 | 70 | $33,250 | $475 | premium | 4.6% | (352) 795-9200 |
| 21 | PROGRESSIVE PHYSICIAN ASSOC INC | PHILLIPSBURG | PA | DIAGNOSTIC RADIOLOGY | 160 | 67 | $12,730 | $190 | premium | 7.5% | (908) 859-6700 |
| 22 | RADIOLOGY REGIONAL CENTER P A | FORT MYERS | FL | DIAGNOSTIC RADIOLOGY | 52 | 63 | $34,443 | $547 | premium | 4.1% | (239) 936-2316 |
| 23 | RIVERSIDE RADIOLOGY AND INTERVENTIONAL ASSOCIATES INC | COLUMBUS | OH | DIAGNOSTIC RADIOLOGY | 243 | 62 | $14,074 | $227 | premium | 11.1% | (614) 566-5600 |
| 24 | RHODE ISLAND MEDICAL IMAGING INC | EAST PROVIDENCE | RI | DIAGNOSTIC RADIOLOGY | 109 | 62 | $12,090 | $195 | premium | 63.3% | (401) 626-3900 |
| 25 | DRS. MCCLOW, CLARK AND BERK PA | JACKSONVILLE | FL | DIAGNOSTIC RADIOLOGY | 22 | 62 | $20,584 | $332 | premium | 4.1% | (904) 381-9994 |
| 26 | HURON VALLEY RADIOLOGY PC | YPSILANTI | MI | DIAGNOSTIC RADIOLOGY | 77 | 62 | $10,152 | $164 | premium | 12.2% | (734) 712-8350 |
| 27 | SPARTANBURG MEDICAL CENTER | SPARTANBURG | NC | NURSE PRACTITIONER | 1070 | 61 | $9,182 | $151 | premium | 12.3% | (864) 587-3000 |
| 28 | PARTNERS IMAGING CENTER OF SARASOTA LLC | SARASOTA | FL | DIAGNOSTIC RADIOLOGY | 13 | 61 | $56,708 | $930 | premium | 4.0% | (941) 951-2100 |
| 29 | RADIOLOGY IMAGING ASSOCIATES | PORT ST LUCIE | FL | DIAGNOSTIC RADIOLOGY | 11 | 59 | $52,215 | $885 | premium | 3.9% | (772) 905-3589 |
| 30 | HAMPTON ROADS RADIOLOGY ASSOCIATES PC | VIRGINIA BEACH | VA | DIAGNOSTIC RADIOLOGY | 37 | 56 | $9,800 | $175 | premium | 14.1% | (757) 916-9630 |
| 31 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 54 | $73,433 | $1,360 | premium | 5.3% | (916) 681-8852 |
| 32 | WEST COUNTY RADIOLOGICAL GROUP INC | SAINT LOUIS | MO | DIAGNOSTIC RADIOLOGY | 104 | 54 | $10,260 | $190 | premium | 10.8% | (314) 941-5600 |
| 33 | EVANSVILLE RADIOLOGY PC | EVANSVILLE | IN | DIAGNOSTIC RADIOLOGY | 29 | 54 | $9,504 | $176 | premium | 30.7% | (812) 422-3254 |
| 34 | KETTERING NETWORK RADIOLOGISTS INC | DAYTON | OH | DIAGNOSTIC RADIOLOGY | 74 | 52 | $10,504 | $202 | premium | 9.3% | (937) 558-3800 |
| 35 | FLORIDA HOSPITAL PHYSICIAN GROUP INC | TAMPA | FL | DIAGNOSTIC RADIOLOGY | 891 | 52 | $19,500 | $375 | premium | 3.4% | (813) 615-7075 |
| 36 | WASHINGTON UNIVERSITY | SAINT LOUIS | MO | NURSE PRACTITIONER | 3070 | 50 | $13,950 | $279 | premium | 10.0% | (314) 747-3000 |
| 37 | KETTERING NETWORK RADIOLOGISTS INC | DAYTON | PA | DIAGNOSTIC RADIOLOGY | 74 | 50 | $10,100 | $202 | premium | 5.6% | (937) 558-3800 |
| 38 | BAY IMAGING CONSULTANTS MEDICAL GROUP INC | WALNUT CREEK | OH | DIAGNOSTIC RADIOLOGY | 134 | 49 | $35,672 | $728 | premium | 8.8% | (925) 947-5320 |
| 39 | UMASS MEMORIAL MEDICAL GROUP INC | WORCESTER | MA | PHYSICIAN ASSISTANT | 2483 | 49 | $11,711 | $239 | premium | 13.9% | (508) 334-1000 |
| 40 | DRS HARRIS BIRKHILL WANG SONGE AND ASSOC PC | DEARBORN | MI | DIAGNOSTIC RADIOLOGY | 62 | 49 | $6,713 | $137 | premium | 9.7% | (313) 593-7301 |
| 41 | MEDICAL SCANNING CONSULTANTS PA | ST LOUIS PARK | MN | DIAGNOSTIC RADIOLOGY | 81 | 48 | $44,001 | $917 | premium | 26.1% | (952) 541-1840 |
| 42 | DIGNITY HEALTH MEDICAL FOUNDATION | FOLSOM | CA | DIAGNOSTIC RADIOLOGY | 1197 | 46 | $10,590 | $230 | premium | 4.5% | (916) 983-7476 |
| 43 | COLUMBUS RADIOLOGY CORP | COLUMBUS | PA | DIAGNOSTIC RADIOLOGY | 288 | 46 | $33,488 | $728 | premium | 5.1% | (614) 228-7231 |
| 44 | DARTMOUTH-HITCHCOCK CLINIC | LEBANON | NH | PHYSICIAN ASSISTANT | 1441 | 45 | $36,543 | $812 | premium | 57.7% | (603) 650-5000 |
| 45 | MEDICAL TECHNOLOGY TRANSFER CORPORATION | MELBOURNE | FL | DIAGNOSTIC RADIOLOGY | 7 | 45 | $29,529 | $656 | premium | 2.9% | (321) 726-3855 |
| 46 | UNIVERSITY HOSPITALS MEDICAL GROUP INC | CLEVELAND | IA | NURSE PRACTITIONER | 2232 | 44 | $11,528 | $262 | premium | 63.8% | — |
| 47 | COMMUNITY RADIOLOGY ASSOCIATES INC | FREDERICK | MD | DIAGNOSTIC RADIOLOGY | 62 | 43 | $38,055 | $885 | premium | 8.7% | (888) 601-0943 |
| 48 | PHYSICIANS OF CAPE COD HOSPITAL | HYANNIS | MA | NURSE PRACTITIONER | 318 | 42 | $5,586 | $133 | premium | 11.9% | (774) 552-6000 |
| 49 | MORI BEAN AND BROOKS INC | ORANGE PARK | FL | DIAGNOSTIC RADIOLOGY | 947 | 42 | $19,986 | $476 | premium | 2.7% | (904) 399-5550 |
| 50 | UNIVERSITY HOSPITALS MEDICAL GROUP INC | CLEVELAND | OH | NURSE PRACTITIONER | 2232 | 42 | $11,004 | $262 | premium | 7.5% | — |
| 51 | SMI IMAGING LLC | PHOENIX | WA | DIAGNOSTIC RADIOLOGY | 364 | 42 | $68,460 | $1,630 | premium | 15.4% | (480) 753-6161 |
| 52 | TOLEDO RADIOLOGICAL ASSOCIATES INC | COLDWATER | OH | DIAGNOSTIC RADIOLOGY | 51 | 42 | $6,174 | $147 | premium | 7.5% | (517) 279-5400 |
| 53 | SMB RADIOLOGY P A | GULFPORT | MS | DIAGNOSTIC RADIOLOGY | 23 | 41 | $9,225 | $225 | premium | 20.0% | (228) 314-7226 |
| 54 | FLORIDA HOSPITAL MEDICAL GROUP INC | ORLANDO | FL | DIAGNOSTIC RADIOLOGY | 321 | 40 | $5,760 | $144 | premium | 2.6% | (407) 303-5600 |
| 55 | UNIVERSITY OF MARYLAND COMMUNITY MEDICAL GROUP INC | GLEN BURNIE | DE | NURSE PRACTITIONER | 458 | 38 | $5,510 | $145 | premium | 22.5% | (410) 761-1222 |
| 56 | PRISMA HEALTH UNIVERSITY MEDICAL GROUP | GREENVILLE | SC | NURSE PRACTITIONER | 2447 | 37 | $5,550 | $150 | premium | 13.9% | — |
| 57 | DELAWARE RADIOLOGY ASSOCIATES PA | NEWARK | DE | DIAGNOSTIC RADIOLOGY | 56 | 36 | $31,860 | $885 | premium | 21.3% | (302) 737-5990 |
| 58 | RADIOLOGY IMAGING ASSOCIATES PC | ENGLEWOOD | CO | DIAGNOSTIC RADIOLOGY | 148 | 35 | $7,239 | $207 | premium | 11.8% | (303) 761-9190 |
| 59 | RADIOLOGY ASSOCIATES OF PENSACOLA PA | PENSACOLA | FL | DIAGNOSTIC RADIOLOGY | 21 | 35 | $5,390 | $154 | premium | 2.3% | (850) 208-6000 |
| 60 | HOUSTON RADIOLOGY ASSOCIATED | HOUSTON | TX | DIAGNOSTIC RADIOLOGY | 103 | 34 | $12,342 | $363 | premium | 2.3% | (281) 206-9020 |
| 61 | NORTHLAND RADIOLOGY INC | N KANSAS CITY | MO | DIAGNOSTIC RADIOLOGY | 15 | 34 | $6,902 | $203 | premium | 6.8% | (913) 642-4900 |
| 62 | RADIOLOGY REGIONAL CENTER P A | FORT MYERS | MI | DIAGNOSTIC RADIOLOGY | 52 | 33 | $6,171 | $187 | premium | 6.5% | (239) 936-2316 |
| 63 | BAYHEALTH RADIOLOGISTS LLC | DOVER | PA | DIAGNOSTIC RADIOLOGY | 93 | 33 | $6,105 | $185 | premium | 3.7% | (610) 892-8889 |
| 64 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 31 | $8,022 | $259 | premium | 5.4% | — |
| 65 | QUANTUM RADIOLOGY PC | MARIETTA | GA | DIAGNOSTIC RADIOLOGY | 104 | 31 | $7,595 | $245 | premium | 21.1% | (770) 732-4000 |
| 66 | SANFORD CLINIC | SIOUX FALLS | SD | DIAGNOSTIC RADIOLOGY | 276 | 31 | $6,169 | $199 | premium | 31.0% | (605) 328-8700 |
| 67 | DUKE HEALTH INTEGRATED PRACTICE INC | DURHAM | NC | PHYSICIAN ASSISTANT | 3051 | 30 | $7,380 | $246 | premium | 6.1% | (919) 684-8111 |
| 68 | TRISTATE IMG (IMAGING MEDICAL GROUP) INC | CINCINNATI | KY | DIAGNOSTIC RADIOLOGY | 44 | 30 | $5,678 | $189 | premium | 20.5% | (513) 865-1331 |
| 69 | ADVANCED IMAGING CONCEPTS PL | BROOKSVILLE | FL | DIAGNOSTIC RADIOLOGY | 5 | 30 | $16,380 | $546 | premium | 2.0% | (352) 597-0016 |
| 70 | SMI IMAGING LLC | PHOENIX | AZ | DIAGNOSTIC RADIOLOGY | 364 | 30 | $52,548 | $1,752 | premium | 10.4% | (480) 753-6161 |
| 71 | RADIOLOGY SPECIALISTS LTD MARASSO-MILLER | LAS VEGAS | NV | DIAGNOSTIC RADIOLOGY | 121 | 30 | $21,840 | $728 | premium | 14.0% | (866) 722-1655 |
| 72 | CLEVELAND CLINIC FLORIDA | WESTON | FL | NURSE PRACTITIONER | 720 | 29 | $10,584 | $365 | premium | 1.9% | (954) 659-5000 |
| 73 | INNOVATIVE RADIOLOGY PA | HOUSTON | TX | DIAGNOSTIC RADIOLOGY | 31 | 29 | $25,525 | $880 | premium | 1.9% | (713) 797-1919 |
| 74 | CHARLOTTE RADIOLOGY PA | CHARLOTTE | NC | DIAGNOSTIC RADIOLOGY | 218 | 28 | $8,736 | $312 | premium | 5.7% | (704) 362-1945 |
| 75 | LAKELAND RADIOLOGISTS P A | FLOWOOD | MS | DIAGNOSTIC RADIOLOGY | 29 | 27 | $6,885 | $255 | premium | 13.2% | (601) 936-2390 |
| 76 | CLEVELAND CLINIC HEALTH SERVICES PROFESSIONAL ASSOCIATION, INC | FRISCO | OR | DIAGNOSTIC RADIOLOGY | 60 | 27 | $9,125 | $338 | premium | 36.0% | (630) 235-2454 |
| 77 | REGIONAL RADIOLOGY, LLC | COVINGTON | LA | DIAGNOSTIC RADIOLOGY | 40 | 27 | $1,523 | $56 | premium | 54.0% | (985) 898-4000 |
| 78 | COLUMBUS RADIOLOGY CORP | COLUMBUS | TX | DIAGNOSTIC RADIOLOGY | 288 | 26 | $18,928 | $728 | premium | 1.7% | (614) 228-7231 |
| 79 | ENLOE MEDICAL CENTER | CHICO | CA | DIAGNOSTIC RADIOLOGY | 362 | 25 | $2,650 | $106 | premium | 2.4% | (530) 332-4470 |
| 80 | RADIOLOGY AND MEDICAL IMAGERY OF NEWNAN PC | NEWNAN | GA | DIAGNOSTIC RADIOLOGY | 35 | 25 | $12,139 | $486 | premium | 17.0% | (770) 400-1000 |
| 81 | THE MILTON S HERSHEY MEDICAL CENTER PHYSICIANS GROUP | HERSHEY | PA | PHYSICIAN ASSISTANT | 1599 | 25 | $4,114 | $165 | premium | 2.8% | (717) 531-5638 |
| 82 | RADIOLOGY ASSOCIATES OF WYOMING VALLEY INC | WILKES BARRE | PA | DIAGNOSTIC RADIOLOGY | 11 | 25 | $3,825 | $153 | premium | 2.8% | (877) 235-7686 |
| 83 | METHODIST ASSOCIATES IN HEALTHCARE, INC | PHILADELPHIA | PA | DIAGNOSTIC RADIOLOGY | 398 | 24 | $5,396 | $225 | premium | 2.7% | (215) 955-6161 |
| 84 | J PAUL WIESNER AND ASSOCIATES CHARTERED | HENDERSON | NV | DIAGNOSTIC RADIOLOGY | 25 | 24 | $26,928 | $1,122 | premium | 11.2% | (702) 616-4585 |
| 85 | TENNESSEE INTERVENTIONAL AND IMAGING ASSOCIATES PLLC | CHATTANOOGA | TN | DIAGNOSTIC RADIOLOGY | 32 | 24 | $3,182 | $133 | premium | 7.7% | (423) 778-7234 |
| 86 | EASTERN RADIOLOGICAL ASSOCIATES PC | BILLINGS | MO | DIAGNOSTIC RADIOLOGY | 52 | 24 | $4,152 | $173 | premium | 4.8% | (406) 969-4340 |
| 87 | ST PAUL PLACE SPECIALISTS, INC. | BALTIMORE | MD | PHYSICIAN ASSISTANT | 337 | 23 | $3,611 | $157 | premium | 4.7% | (410) 663-8100 |
| 88 | GRAVES GILBERT CLINIC PLLC | BOWLING GREEN | KY | NURSE PRACTITIONER | 221 | 23 | $8,279 | $360 | premium | 15.8% | (270) 781-4043 |
| 89 | MEDSTAR MEDICAL GROUP II LLC | WASHINGTON | MD | PHYSICIAN ASSISTANT | 3707 | 23 | $3,588 | $156 | premium | 4.7% | (202) 429-2401 |
| 90 | MILLENNIUM PHYSICIAN GROUP LLC | PORT CHARLOTTE | FL | PHYSICIAN ASSISTANT | 953 | 22 | $13,931 | $633 | premium | 1.4% | (941) 255-3535 |
| 91 | BRIGHAM AND WOMENS PHYSICIANS ORGANIZATION INC | BOSTON | MA | PHYSICIAN ASSISTANT | 2942 | 22 | $4,578 | $208 | premium | 6.2% | (617) 732-5500 |
| 92 | LUCIDSOLUTIONS INC | LAS VEGAS | IL | DIAGNOSTIC RADIOLOGY | 99 | 22 | $4,994 | $227 | premium | 3.8% | (614) 340-7740 |
| 93 | RADIA INC P S | SEATTLE | TN | DIAGNOSTIC RADIOLOGY | 270 | 20 | $4,840 | $242 | premium | 6.5% | (206) 320-3700 |
| 94 | RADIOLOGY CONSULTANTS PC | OKLAHOMA CITY | MS | DIAGNOSTIC RADIOLOGY | 23 | 20 | $3,760 | $188 | premium | 9.8% | (405) 384-5250 |
| 95 | EASTERN RADIOLOGISTS INC | GREENVILLE | NC | DIAGNOSTIC RADIOLOGY | 93 | 20 | $3,100 | $155 | premium | 4.0% | (252) 752-5000 |
| 96 | MEMORIAL NUCLEAR MEDICINE GROUP | NEW YORK | FL | NUCLEAR MEDICINE | 39 | 19 | $6,963 | $366 | premium | 1.2% | (212) 639-2000 |
| 97 | RADIOLOGY ASSOCIATES OF VENICE AND ENGLEWOOD PA | VENICE | FL | DIAGNOSTIC RADIOLOGY | 8 | 19 | $11,446 | $602 | premium | 1.2% | (941) 486-3483 |
| 98 | UNIVERSITY RADIOLOGY ASSOCIATES, LLP | SYRACUSE | NY | DIAGNOSTIC RADIOLOGY | 41 | 19 | $3,610 | $190 | premium | 3.8% | (315) 464-5189 |
| 99 | SONORAN RADIOLOGY LTD | MESA | AZ | DIAGNOSTIC RADIOLOGY | 474 | 19 | $13,832 | $728 | premium | 6.6% | (832) 915-2534 |
| 100 | MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC | BOSTON | MA | DIAGNOSTIC RADIOLOGY | 3532 | 19 | $3,821 | $201 | premium | 5.4% | (617) 724-0287 |
Showing the top 100 of 162 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 →