74221 — Double contrast x-ray of esophagus
20,646 observed fee-for-service (50%) · ~20,451 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; 1 state 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 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 | 74221 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | ADVANCED RADIOLOGY P A | BALTIMORE | MD | DIAGNOSTIC RADIOLOGY | 161 | 363 | $119,790 | $330 | premium | 36.6% | (888) 972-9700 |
| 2 | HAMPTON ROADS RADIOLOGY ASSOCIATES PC | VIRGINIA BEACH | VA | DIAGNOSTIC RADIOLOGY | 37 | 351 | $43,524 | $124 | premium | 11.0% | (757) 916-9630 |
| 3 | LAKE MEDICAL IMAGING AND BREAST CENTER AT THE VILLAGES LLC | LEESBURG | FL | DIAGNOSTIC RADIOLOGY | 22 | 318 | $104,304 | $328 | premium | 11.5% | (352) 787-5858 |
| 4 | MAYO CLINIC | ROCHESTER | MN | NURSE PRACTITIONER | 4896 | 301 | $187,128 | $622 | premium | 47.3% | (507) 284-2511 |
| 5 | COMMONWEALTH RADIOLOGY PC | RICHMOND | VA | DIAGNOSTIC RADIOLOGY | 49 | 299 | $26,910 | $90 | premium | 9.3% | (804) 288-8327 |
| 6 | MAYO CLINIC ARIZONA | PHOENIX | AZ | PHYSICIAN ASSISTANT | 1635 | 294 | $159,240 | $542 | premium | 17.9% | (800) 603-0558 |
| 7 | IHC HEALTH SERVICES INC | MURRAY | UT | PHYSICIAN ASSISTANT | 3944 | 284 | $16,838 | $59 | premium | 65.6% | (801) 261-8346 |
| 8 | CHARLOTTE RADIOLOGY PA | CHARLOTTE | NC | DIAGNOSTIC RADIOLOGY | 218 | 283 | $65,090 | $230 | premium | 15.8% | (704) 362-1945 |
| 9 | ARKANSAS HEALTH GROUP | LITTLE ROCK | AR | CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) | 666 | 268 | $54,284 | $203 | premium | 47.7% | (501) 202-2093 |
| 10 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 256 | $44,947 | $176 | premium | 18.2% | — |
| 11 | UMASS MEMORIAL MEDICAL GROUP INC | WORCESTER | MA | PHYSICIAN ASSISTANT | 2483 | 254 | $41,402 | $163 | premium | 10.5% | (508) 334-1000 |
| 12 | BRIGHAM AND WOMENS PHYSICIANS ORGANIZATION INC | BOSTON | MA | PHYSICIAN ASSISTANT | 2942 | 247 | $34,580 | $140 | premium | 10.2% | (617) 732-5500 |
| 13 | MAYO CLINIC JACKSONVILLE | JACKSONVILLE | FL | NURSE PRACTITIONER | 1587 | 243 | $201,690 | $830 | premium | 8.8% | (904) 953-2000 |
| 14 | SDMI, LLC | LAS VEGAS | NV | DIAGNOSTIC RADIOLOGY | 36 | 236 | $81,184 | $344 | premium | 43.5% | (702) 732-6000 |
| 15 | SOUTHWEST DIAGNOSTIC IMAGING LLC | SCOTTSDALE | AZ | DIAGNOSTIC RADIOLOGY | 124 | 235 | $120,253 | $512 | premium | 14.3% | (480) 425-5000 |
| 16 | NEW YORK UNIVERSITY | NEW YORK | CO | DIAGNOSTIC RADIOLOGY | 5704 | 231 | $20,328 | $88 | premium | 20.0% | (212) 263-9700 |
| 17 | MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC | BOSTON | MA | DIAGNOSTIC RADIOLOGY | 3532 | 227 | $31,780 | $140 | premium | 9.4% | (617) 724-0287 |
| 18 | DIAGNOSTIC IMAGING SERVICES LLC | HAGERSTOWN | MD | DIAGNOSTIC RADIOLOGY | 17 | 220 | $50,600 | $230 | premium | 22.2% | (301) 714-4200 |
| 19 | MASS GENERAL BRIGHAM COMMUNITY PHYSICIANS INC | MEDFORD | MA | DIAGNOSTIC RADIOLOGY | 424 | 217 | $30,490 | $141 | premium | 8.9% | (781) 395-4909 |
| 20 | RADIOLOGY ASSOCIATES OF NORTH TEXAS PA | FORT WORTH | TX | DIAGNOSTIC RADIOLOGY | 340 | 208 | $28,739 | $138 | premium | 7.1% | (817) 321-0470 |
| 21 | HOUSTON RADIOLOGY ASSOCIATED | HOUSTON | TX | DIAGNOSTIC RADIOLOGY | 103 | 206 | $44,004 | $214 | premium | 7.1% | (281) 206-9020 |
| 22 | ADVANCED RADIOLOGY SERVICES PC | GRAND RAPIDS | MI | DIAGNOSTIC RADIOLOGY | 249 | 199 | $21,094 | $106 | premium | 22.9% | (616) 363-7272 |
| 23 | RIVERSIDE RADIOLOGY AND INTERVENTIONAL ASSOCIATES INC | COLUMBUS | OH | DIAGNOSTIC RADIOLOGY | 243 | 197 | $27,777 | $141 | premium | 15.4% | (614) 566-5600 |
| 24 | REGENTS OF THE UNIVERSITY OF CALIFORNIA | SAN DIEGO | CA | DIAGNOSTIC RADIOLOGY | 2057 | 193 | $27,721 | $144 | premium | 5.3% | (800) 926-8273 |
| 25 | PALM DESERT RADIOLOGY MEDICAL GROUP INC | RANCHO MIRAGE | CA | DIAGNOSTIC RADIOLOGY | 125 | 188 | $17,484 | $93 | premium | 5.2% | (760) 773-1251 |
| 26 | BREVARD PHYSICIAN ASSOCIATES PLLC | MELBOURNE | FL | DIAGNOSTIC RADIOLOGY | 216 | 184 | $24,840 | $135 | premium | 6.6% | (321) 434-9000 |
| 27 | SMI IMAGING LLC | PHOENIX | AZ | DIAGNOSTIC RADIOLOGY | 364 | 174 | $96,744 | $556 | premium | 10.6% | (480) 753-6161 |
| 28 | CLEVELAND CLINIC FLORIDA | WESTON | FL | NURSE PRACTITIONER | 720 | 166 | $40,976 | $247 | premium | 6.0% | (954) 659-5000 |
| 29 | BAYHEALTH RADIOLOGISTS LLC | DOVER | PA | DIAGNOSTIC RADIOLOGY | 93 | 162 | $16,209 | $100 | premium | 7.7% | (610) 892-8889 |
| 30 | SPECTRUM HEALTHCARE PARTNERS PA | PORTLAND | ME | DIAGNOSTIC RADIOLOGY | 281 | 160 | $17,120 | $107 | premium | 66.9% | (207) 828-2160 |
| 31 | PROGRESSIVE PHYSICIAN ASSOC INC | PHILLIPSBURG | PA | DIAGNOSTIC RADIOLOGY | 160 | 159 | $21,804 | $137 | premium | 7.6% | (908) 859-6700 |
| 32 | X-RAY ASSOCIATES OF LOUISVILLE PSC | LOUISVILLE | KY | DIAGNOSTIC RADIOLOGY | 55 | 158 | $15,658 | $99 | premium | 26.8% | (502) 897-8121 |
| 33 | PENINSULA RADIOLOGICAL ASSOCIATES LIMITED | NEWPORT NEWS | VA | DIAGNOSTIC RADIOLOGY | 65 | 156 | $16,536 | $106 | premium | 4.9% | (757) 594-3900 |
| 34 | LANCASTER RADIOLOGY ASSOCIATES LTD | LANCASTER | PA | DIAGNOSTIC RADIOLOGY | 46 | 150 | $15,750 | $105 | premium | 7.2% | (717) 544-4900 |
| 35 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 148 | $42,985 | $290 | premium | 4.1% | (916) 681-8852 |
| 36 | UNIVERSITY OF ALABAMA HEALTH SERVICES FOUNDATION, PC | BIRMINGHAM | AL | NURSE PRACTITIONER | 2788 | 146 | $14,454 | $99 | premium | 25.0% | (205) 934-3460 |
| 37 | EASTERN RADIOLOGISTS INC | GREENVILLE | NC | DIAGNOSTIC RADIOLOGY | 93 | 145 | $15,660 | $108 | premium | 8.1% | (252) 752-5000 |
| 38 | MORI BEAN AND BROOKS INC | ORANGE PARK | FL | DIAGNOSTIC RADIOLOGY | 947 | 143 | $29,736 | $208 | premium | 5.2% | (904) 399-5550 |
| 39 | RHODE ISLAND MEDICAL IMAGING INC | EAST PROVIDENCE | RI | DIAGNOSTIC RADIOLOGY | 109 | 139 | $19,460 | $140 | premium | 45.3% | (401) 626-3900 |
| 40 | MECKLENBURG RADIOLOGY ASSOCIATES PA | CHARLOTTE | NC | DIAGNOSTIC RADIOLOGY | 94 | 138 | $20,637 | $150 | premium | 7.7% | (704) 332-1291 |
| 41 | SCOTT AND WHITE CLINIC | TEMPLE | TX | PHYSICIAN ASSISTANT | 2435 | 137 | $21,771 | $159 | premium | 4.7% | (254) 724-2663 |
| 42 | REGENTS OF THE UNIVERSITY OF MICHIGAN | ANN ARBOR | MI | INTERNAL MEDICINE | 3330 | 133 | $17,453 | $131 | premium | 15.3% | (734) 763-5459 |
| 43 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 131 | $57,983 | $443 | premium | 3.6% | (415) 600-1020 |
| 44 | RADIOLOGY LTD LLC | TUCSON | AZ | DIAGNOSTIC RADIOLOGY | 102 | 130 | $24,050 | $185 | premium | 7.9% | (520) 290-4842 |
| 45 | WELLSPAN MEDICAL GROUP | YORK | PA | PHYSICIAN ASSISTANT | 2312 | 129 | $9,030 | $70 | premium | 6.2% | — |
| 46 | MEDICAL CENTER RADIOLOGISTS INC | NORFOLK | VA | DIAGNOSTIC RADIOLOGY | 123 | 127 | $13,589 | $107 | premium | 4.0% | (757) 466-6870 |
| 47 | RADIOLOGY AND IMAGING INC | SPRINGFIELD | MA | DIAGNOSTIC RADIOLOGY | 60 | 122 | $13,542 | $111 | premium | 5.0% | (413) 827-7400 |
| 48 | RADIOLOGY ASSOCIATES OF VENICE AND ENGLEWOOD PA | VENICE | FL | DIAGNOSTIC RADIOLOGY | 8 | 122 | $25,878 | $212 | premium | 4.4% | (941) 486-3483 |
| 49 | PRISMA HEALTH UNIVERSITY MEDICAL GROUP | GREENVILLE | SC | NURSE PRACTITIONER | 2447 | 118 | $9,676 | $82 | premium | 8.3% | — |
| 50 | ROPER RADIOLOGISTS PA | CHARLESTON | SC | DIAGNOSTIC RADIOLOGY | 40 | 118 | $33,984 | $288 | premium | 8.3% | (843) 724-2161 |
| 51 | SOUTH SHORE RADIOLOGICAL ASSOCIATES INC | SOUTH WEYMOUTH | MA | DIAGNOSTIC RADIOLOGY | 36 | 117 | $13,572 | $116 | premium | 4.8% | (781) 340-8000 |
| 52 | RIVERBEND MEDICAL GROUP INC | SPRINGFIELD | MA | PHYSICIAN ASSISTANT | 225 | 116 | $12,876 | $111 | premium | 4.8% | (413) 733-4101 |
| 53 | MUNSTER RADIOLOGY GROUP PC | MUNSTER | IN | DIAGNOSTIC RADIOLOGY | 26 | 115 | $15,523 | $135 | premium | 11.6% | (219) 836-1600 |
| 54 | ENDEAVOR HEALTH MEDICAL GROUP | EVANSTON | IL | NURSE PRACTITIONER | 3380 | 113 | $12,656 | $112 | premium | 8.0% | — |
| 55 | NORTHSIDE RADIOLOGY ASSOCIATES LLC | ATLANTA | GA | DIAGNOSTIC RADIOLOGY | 370 | 111 | $28,305 | $255 | premium | 8.7% | (404) 851-6577 |
| 56 | BLUE RIDGE RADIOLOGY PC | LYNCHBURG | TN | DIAGNOSTIC RADIOLOGY | 76 | 109 | $11,254 | $103 | premium | 9.3% | (423) 968-1144 |
| 57 | ROCKINGHAM RADIOLOGISTS | ROCKINGHAM | VA | DIAGNOSTIC RADIOLOGY | 11 | 106 | $11,130 | $105 | premium | 3.3% | (540) 432-8951 |
| 58 | UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL CENTER AT DALLAS | DALLAS | TX | PHYSICIAN ASSISTANT | 3200 | 105 | $31,605 | $301 | premium | 3.6% | (214) 633-5555 |
| 59 | OWENSBORO HEALTH MEDICAL GROUP INC | OWENSBORO | KY | NURSE PRACTITIONER | 467 | 100 | $12,643 | $126 | premium | 17.0% | — |
| 60 | WASHINGTON UNIVERSITY | SAINT LOUIS | MO | NURSE PRACTITIONER | 3070 | 97 | $20,952 | $216 | premium | 12.2% | (314) 747-3000 |
| 61 | VISTA RADIOLOGY, PC | KNOXVILLE | TN | DIAGNOSTIC RADIOLOGY | 68 | 97 | $12,319 | $127 | premium | 8.3% | (865) 546-9484 |
| 62 | RADIOLOGY CONSULTANTS OF IOWA PLC | CEDAR RAPIDS | IA | DIAGNOSTIC RADIOLOGY | 72 | 95 | $7,600 | $80 | premium | 22.1% | (319) 364-0121 |
| 63 | ALLEN MEMORIAL HOSPITAL CORPORATION | WATERLOO | IA | NURSE PRACTITIONER | 140 | 94 | $7,270 | $77 | premium | 21.9% | (319) 233-2701 |
| 64 | SAINT VINCENT RADIOLOGICAL ASSOCIATES INC | WORCESTER | MA | DIAGNOSTIC RADIOLOGY | 18 | 94 | $8,876 | $94 | premium | 3.9% | (978) 939-2035 |
| 65 | MCV ASSOCIATED PHYSICIANS | RICHMOND | VA | NURSE PRACTITIONER | 1791 | 92 | $14,444 | $157 | premium | 2.9% | (804) 828-9000 |
| 66 | SOUTHERN NEW ENGLAND RADIOLOGY INC | FALL RIVER | MA | DIAGNOSTIC RADIOLOGY | 22 | 89 | $9,167 | $103 | premium | 3.7% | (508) 679-7136 |
| 67 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 86 | $26,252 | $305 | premium | 5.9% | (212) 263-9700 |
| 68 | RADIOLOGY IMAGING ASSOCIATES OF OAK RIDGE PC | OAK RIDGE | TN | DIAGNOSTIC RADIOLOGY | 18 | 84 | $8,015 | $95 | premium | 7.2% | 86673056192240 |
| 69 | BAYHEALTH RADIOLOGISTS LLC | DOVER | DE | DIAGNOSTIC RADIOLOGY | 93 | 83 | $8,867 | $107 | premium | 35.2% | (610) 892-8889 |
| 70 | NORTH METROPOLITAN RADIOLOGY ASSOCIATES LLP | LAWRENCEVILLE | GA | DIAGNOSTIC RADIOLOGY | 44 | 82 | $14,678 | $179 | premium | 6.4% | (678) 312-0900 |
| 71 | RADIOLOGY ASSOCIATES INC | ELIZABETHTOWN | KY | DIAGNOSTIC RADIOLOGY | 57 | 79 | $4,977 | $63 | premium | 13.4% | (270) 706-1212 |
| 72 | BANNER IMAGING SERVICES LLC | GLENDALE | AZ | DIAGNOSTIC RADIOLOGY | 123 | 79 | $20,856 | $264 | premium | 4.8% | (480) 610-7400 |
| 73 | MORAN ROWEN AND DORSEY INC | ORANGE | CA | DIAGNOSTIC RADIOLOGY | 35 | 77 | $10,010 | $130 | premium | 2.1% | (714) 628-3305 |
| 74 | PHYSICIANS OF FALMOUTH HOSPITAL | FALMOUTH | MA | NURSE PRACTITIONER | 92 | 74 | $8,510 | $115 | premium | 3.0% | (508) 771-1800 |
| 75 | ASSOCIATION OF UNIVERSITY RADIOLOGISTS, PC | KNOXVILLE | TN | DIAGNOSTIC RADIOLOGY | 35 | 74 | $9,324 | $126 | premium | 6.3% | (865) 305-9661 |
| 76 | DIAGNOSTIC IMAGING CENTERS PA | KANSAS CITY | MO | DIAGNOSTIC RADIOLOGY | 28 | 73 | $15,096 | $207 | premium | 9.2% | (816) 444-9989 |
| 77 | EASTERN RADIOLOGICAL ASSOCIATES PC | BILLINGS | MT | DIAGNOSTIC RADIOLOGY | 52 | 73 | $8,395 | $115 | premium | 25.2% | (406) 969-4340 |
| 78 | ATRIUS HEALTH INC | BOSTON | MA | NURSE PRACTITIONER | 1196 | 72 | $24,827 | $345 | premium | 3.0% | (617) 421-1000 |
| 79 | COLUMBUS RADIOLOGY CORP | COLUMBUS | OH | DIAGNOSTIC RADIOLOGY | 288 | 71 | $18,105 | $255 | premium | 5.6% | (614) 228-7231 |
| 80 | QUANTUM IMAGING AND THERAPEUTIC ASSOCIATES INC | HARRISBURG | PA | DIAGNOSTIC RADIOLOGY | 90 | 70 | $8,228 | $118 | premium | 3.3% | (717) 932-5200 |
| 81 | NATIONAL JEWISH HEALTH | DENVER | CO | PULMONARY DISEASE | 243 | 69 | $6,072 | $88 | premium | 6.0% | (303) 398-1355 |
| 82 | RADIOLOGY ASSOCIATES OF DOTHAN PC | DOTHAN | AL | DIAGNOSTIC RADIOLOGY | 22 | 68 | $6,222 | $92 | premium | 11.6% | (334) 793-8111 |
| 83 | TEXAS RADIOLOGY ASSOCIATES LLP | PLANO | TX | DIAGNOSTIC RADIOLOGY | 153 | 67 | $19,296 | $288 | premium | 2.3% | (469) 814-2000 |
| 84 | DARTMOUTH-HITCHCOCK CLINIC | LEBANON | NH | PHYSICIAN ASSISTANT | 1441 | 66 | $27,792 | $421 | premium | 22.1% | (603) 650-5000 |
| 85 | COLUMBUS RADIOLOGY PHYSICIANS LLC | COLUMBUS | IN | DIAGNOSTIC RADIOLOGY | 60 | 66 | $6,798 | $103 | premium | 6.6% | (812) 376-5064 |
| 86 | LAHEY CLINIC INC | BURLINGTON | MA | NURSE PRACTITIONER | 1400 | 66 | $10,044 | $152 | premium | 2.7% | — |
| 87 | COMMUNITY CARE PHYSICIANS PLLC | LATHAM | NY | DIAGNOSTIC RADIOLOGY | 370 | 65 | $13,780 | $212 | premium | 4.5% | (518) 782-3700 |
| 88 | FORT WAYNE RADIOLOGY ASSOCIATES LLC | FORT WAYNE | IN | DIAGNOSTIC RADIOLOGY | 35 | 65 | $6,565 | $101 | premium | 6.5% | (260) 266-1000 |
| 89 | NORTHWEST RADIOLOGY ASSOCIATES SC | ARLINGTON HEIGHTS | IL | DIAGNOSTIC RADIOLOGY | 21 | 64 | $7,168 | $112 | premium | 4.5% | (847) 618-1000 |
| 90 | IMAGING CONSULTANTS OF CENTRAL ILLINOIS SC | DECATUR | IL | DIAGNOSTIC RADIOLOGY | 8 | 60 | $9,180 | $153 | premium | 4.3% | (217) 876-8121 |
| 91 | MUSC COMMUNITY PHYSICIANS | ORANGEBURG | SC | NURSE PRACTITIONER | 1307 | 60 | $9,900 | $165 | premium | 4.2% | (803) 395-3400 |
| 92 | RADIOLOGY AND MEDICAL IMAGERY OF NEWNAN PC | NEWNAN | GA | DIAGNOSTIC RADIOLOGY | 35 | 59 | $10,231 | $173 | premium | 4.6% | (770) 400-1000 |
| 93 | RADIA INC P S | SEATTLE | WA | DIAGNOSTIC RADIOLOGY | 270 | 58 | $6,612 | $114 | premium | 5.3% | (206) 320-3700 |
| 94 | LAKELAND RADIOLOGISTS P A | FLOWOOD | MS | DIAGNOSTIC RADIOLOGY | 29 | 58 | $3,190 | $55 | premium | 22.8% | (601) 936-2390 |
| 95 | ADVANCED RADIOLOGY P A | BALTIMORE | OH | DIAGNOSTIC RADIOLOGY | 161 | 58 | $19,140 | $330 | premium | 4.5% | (888) 972-9700 |
| 96 | RADIOLOGY PHYSICIANS INC | DAYTON | OH | DIAGNOSTIC RADIOLOGY | 61 | 57 | $5,985 | $105 | premium | 4.5% | (937) 208-8000 |
| 97 | BEAUMONT MEDICAL GROUP HOSPITAL BASED SERVICES | TROY | MI | DIAGNOSTIC RADIOLOGY | 583 | 56 | $13,720 | $245 | premium | 6.5% | (248) 964-1187 |
| 98 | RADIOLOGY OF MSMC, LLC | MIAMI | FL | DIAGNOSTIC RADIOLOGY | 23 | 55 | $11,000 | $200 | premium | 2.0% | (305) 674-3905 |
| 99 | WINDSONG RADIOLOGY GROUP P C | WILLIAMSVILLE | NY | DIAGNOSTIC RADIOLOGY | 23 | 55 | $31,553 | $574 | premium | 3.8% | (716) 631-2500 |
| 100 | BEAUFORT MEDICAL IMAGING INC | BEAUFORT | SC | DIAGNOSTIC RADIOLOGY | 9 | 54 | $7,830 | $145 | premium | 3.8% | (843) 522-5200 |
Showing the top 100 of 309 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 →