73610 — X-ray of ankle, minimum of 3 views
445,913 observed fee-for-service (50%) · ~445,981 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 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 | 73610 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 4,111 | $511,438 | $124 | premium | 4.7% | (916) 681-8852 |
| 2 | MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC | BOSTON | MA | DIAGNOSTIC RADIOLOGY | 3532 | 3,416 | $279,004 | $82 | premium | 10.6% | (617) 724-0287 |
| 3 | RADIOLOGY ASSOCIATES OF NORTH TEXAS PA | FORT WORTH | TX | DIAGNOSTIC RADIOLOGY | 340 | 3,246 | $113,762 | $35 | premium | 5.8% | (817) 321-0470 |
| 4 | ILLINOIS BONE AND JOINT INSTITUTE, LLC | BANNOCKBURN | IL | ORTHOPEDIC SURGERY | 595 | 3,219 | $417,623 | $130 | premium | 7.5% | — |
| 5 | SCRIPPS HEALTH | LA JOLLA | CA | PHYSICIAN ASSISTANT | 1431 | 2,723 | $472,944 | $174 | premium | 3.1% | (858) 455-9100 |
| 6 | MAYO CLINIC | ROCHESTER | MN | NURSE PRACTITIONER | 4896 | 2,606 | $440,843 | $169 | premium | 12.0% | (507) 284-2511 |
| 7 | TALLAHASSEE ORTHOPEDIC CLINIC III PL | TALLAHASSEE | FL | PHYSICIAN ASSISTANT | 542 | 2,429 | $444,285 | $183 | premium | 3.8% | (850) 877-8174 |
| 8 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 2,348 | $382,034 | $163 | premium | 2.7% | (415) 600-1020 |
| 9 | ORTHOPEDIC SPECIALISTS OF NORTH AMERICA PLLC | SCOTTSDALE | AZ | ORTHOPEDIC SURGERY | 308 | 2,281 | $225,819 | $99 | premium | 11.1% | (602) 385-2115 |
| 10 | ORTHONJ LLC | MANASQUAN | NJ | PHYSICIAN ASSISTANT | 300 | 2,173 | $356,267 | $164 | premium | 8.3% | (732) 974-0404 |
| 11 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 2,145 | $234,913 | $110 | premium | 3.9% | (212) 263-9700 |
| 12 | ORTHOVIRGINIA INC | NORTH CHESTERFIELD | VA | PHYSICIAN ASSISTANT | 567 | 1,997 | $239,230 | $120 | premium | 7.1% | — |
| 13 | PRISMA HEALTH UNIVERSITY MEDICAL GROUP | GREENVILLE | SC | NURSE PRACTITIONER | 2447 | 1,893 | $137,637 | $73 | premium | 11.4% | — |
| 14 | SCOTT AND WHITE CLINIC | TEMPLE | TX | PHYSICIAN ASSISTANT | 2435 | 1,888 | $126,765 | $67 | premium | 3.3% | (254) 724-2663 |
| 15 | ADVANCED RADIOLOGY SERVICES PC | GRAND RAPIDS | MI | DIAGNOSTIC RADIOLOGY | 249 | 1,881 | $63,489 | $34 | premium | 8.3% | (616) 363-7272 |
| 16 | EMERGEORTHO PA | DURHAM | NC | PHYSICIAN ASSISTANT | 725 | 1,780 | $165,813 | $93 | premium | 6.9% | (919) 544-7270 |
| 17 | DIGNITY HEALTH MEDICAL FOUNDATION | FOLSOM | CA | DIAGNOSTIC RADIOLOGY | 1197 | 1,746 | $140,477 | $80 | premium | 2.0% | (916) 983-7476 |
| 18 | ENDEAVOR HEALTH MEDICAL GROUP | EVANSTON | IL | NURSE PRACTITIONER | 3380 | 1,732 | $85,889 | $50 | premium | 4.0% | — |
| 19 | ORTHOLONESTAR PLLC | DALLAS | TX | PHYSICIAN ASSISTANT | 407 | 1,717 | $182,504 | $106 | premium | 3.0% | (214) 220-2468 |
| 20 | NORTHEAST ORTHOPAEDIC ALLIANCE PLLC | CONCORD | MA | PHYSICIAN ASSISTANT | 268 | 1,698 | $209,661 | $123 | premium | 5.3% | (603) 883-0091 |
| 21 | ORTHOARKANSAS PA | LITTLE ROCK | AR | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 145 | 1,609 | $203,696 | $127 | premium | 16.1% | (501) 500-3500 |
| 22 | ADVANCED RADIOLOGY P A | BALTIMORE | MD | DIAGNOSTIC RADIOLOGY | 161 | 1,595 | $126,901 | $80 | premium | 5.4% | (888) 972-9700 |
| 23 | CEDARS-SINAI MEDICAL CARE FOUNDATION | LOS ANGELES | CA | PHYSICIAN ASSISTANT | 1699 | 1,557 | $209,415 | $134 | premium | 1.8% | (310) 423-0674 |
| 24 | UMASS MEMORIAL MEDICAL GROUP INC | WORCESTER | MA | PHYSICIAN ASSISTANT | 2483 | 1,549 | $72,575 | $47 | premium | 4.8% | (508) 334-1000 |
| 25 | TRUE NORTH MEDICAL GROUP PC | ROCKVILLE CENTRE | NY | PHYSICIAN ASSISTANT | 182 | 1,548 | $478,765 | $309 | premium | 2.8% | (516) 536-2800 |
| 26 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 1,540 | $113,127 | $73 | premium | 3.6% | — |
| 27 | LUMINIS HEALTH MEDICAL GROUP, LLC | ANNAPOLIS | MD | PHYSICIAN ASSISTANT | 544 | 1,519 | $55,467 | $37 | premium | 5.2% | (443) 481-1000 |
| 28 | IHC HEALTH SERVICES INC | MURRAY | UT | PHYSICIAN ASSISTANT | 3944 | 1,439 | $71,685 | $50 | premium | 29.2% | (801) 261-8346 |
| 29 | THE ASSOCIATION OF UNIVERSITY PHYSICIANS | SEATTLE | WA | PHYSICIAN ASSISTANT | 3612 | 1,404 | $61,222 | $44 | premium | 7.4% | (206) 364-0500 |
| 30 | CAMPBELL CLINIC, PC | GERMANTOWN | TN | ORTHOPEDIC SURGERY | 225 | 1,381 | $147,876 | $107 | premium | 6.0% | (901) 759-3100 |
| 31 | ST PAUL PLACE SPECIALISTS, INC. | BALTIMORE | MD | PHYSICIAN ASSISTANT | 337 | 1,345 | $72,963 | $54 | premium | 4.6% | (410) 663-8100 |
| 32 | ROTHMAN ORTHOPAEDICS OF NEW JERSEY, LLC | MARLTON | NJ | PHYSICIAN ASSISTANT | 176 | 1,310 | $201,576 | $154 | premium | 5.0% | (800) 321-9999 |
| 33 | ORTHOSC LLC | MYRTLE BEACH | SC | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 113 | 1,298 | $95,620 | $74 | premium | 7.8% | (843) 491-4937 |
| 34 | UT PHYSICIANS | HOUSTON | TX | NURSE PRACTITIONER | 1758 | 1,296 | $125,877 | $97 | premium | 2.3% | (713) 566-5000 |
| 35 | TENNESSEE ORTHOPAEDIC ALLIANCE PA | NASHVILLE | TN | PHYSICIAN ASSISTANT | 352 | 1,294 | $134,718 | $104 | premium | 5.7% | (615) 329-6600 |
| 36 | SPECIALTY ORTHOPEDIC GROUP OF MS, PLLC | TUPELO | MS | ORTHOPEDIC SURGERY | 41 | 1,233 | $146,523 | $119 | premium | 9.6% | (662) 767-4200 |
| 37 | RHODE ISLAND MEDICAL IMAGING INC | EAST PROVIDENCE | RI | DIAGNOSTIC RADIOLOGY | 109 | 1,230 | $45,360 | $37 | premium | 25.7% | (401) 626-3900 |
| 38 | HEALTHTEXAS PROVIDER NETWORK | DALLAS | TX | PHYSICIAN ASSISTANT | 2482 | 1,211 | $157,976 | $130 | premium | 2.1% | — |
| 39 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | NY | PHYSICIAN ASSISTANT | 6294 | 1,204 | $256,851 | $213 | premium | 2.2% | — |
| 40 | SUMMIT MEDICAL GROUP PA | BERKELEY HEIGHTS | NJ | PHYSICIAN ASSISTANT | 1183 | 1,198 | $128,598 | $107 | premium | 4.6% | (908) 273-4300 |
| 41 | ORTHOPAEDIC AND NEUROSURGERY SPECIALISTS, PLLC | GREENWICH | NY | PHYSICIAN ASSISTANT | 259 | 1,174 | $105,635 | $90 | premium | 2.1% | (203) 869-1145 |
| 42 | ORTHOCAROLINA | CHARLOTTE | NC | PHYSICIAN ASSISTANT | 304 | 1,147 | $96,081 | $84 | premium | 4.5% | (704) 323-2100 |
| 43 | MAYO CLINIC ARIZONA | PHOENIX | AZ | PHYSICIAN ASSISTANT | 1635 | 1,137 | $151,914 | $134 | premium | 5.5% | (800) 603-0558 |
| 44 | SPECTRUM HEALTHCARE PARTNERS PA | PORTLAND | ME | DIAGNOSTIC RADIOLOGY | 281 | 1,130 | $31,283 | $28 | premium | 38.4% | (207) 828-2160 |
| 45 | BEACON ORTHOPAEDICS AND SPORTS MEDICINE LTD | CINCINNATI | OH | PHYSICIAN ASSISTANT | 468 | 1,103 | $88,237 | $80 | premium | 3.6% | (513) 354-3700 |
| 46 | CENTERS FOR ADVANCED ORTHOPAEDICS LLC | OLNEY | MD | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 596 | 1,101 | $124,160 | $113 | premium | 3.7% | (301) 774-0500 |
| 47 | NORTH FLORIDA SURGEONS PA | JACKSONVILLE | FL | PHYSICIAN ASSISTANT | 331 | 1,038 | $93,791 | $90 | premium | 1.6% | (904) 396-1725 |
| 48 | STANFORD HEALTH CARE | STANFORD | CA | DIAGNOSTIC RADIOLOGY | 3039 | 1,034 | $119,616 | $116 | premium | 1.2% | (650) 723-4000 |
| 49 | SPRINGFIELD CLINIC, LLP | SPRINGFIELD | IL | NURSE PRACTITIONER | 686 | 1,026 | $140,900 | $137 | premium | 2.4% | (217) 544-6464 |
| 50 | PROLIANCE SURGEONS INC P S | ISSAQUAH | WA | PHYSICIAN ASSISTANT | 395 | 1,012 | $92,874 | $92 | premium | 5.3% | (425) 313-5422 |
| 51 | CAPITAL ORTHOPAEDIC CLINIC, PLLC | FLOWOOD | MS | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 46 | 1,004 | $85,988 | $86 | premium | 7.8% | (601) 987-8200 |
| 52 | TOLEDO RADIOLOGICAL ASSOCIATES INC | COLDWATER | OH | DIAGNOSTIC RADIOLOGY | 51 | 997 | $25,859 | $26 | premium | 3.2% | (517) 279-5400 |
| 53 | DARTMOUTH-HITCHCOCK CLINIC | LEBANON | NH | PHYSICIAN ASSISTANT | 1441 | 971 | $165,093 | $170 | premium | 15.6% | (603) 650-5000 |
| 54 | MAYO CLINIC JACKSONVILLE | JACKSONVILLE | FL | NURSE PRACTITIONER | 1587 | 965 | $185,666 | $192 | premium | 1.5% | (904) 953-2000 |
| 55 | VERO ORTHOPAEDICS II PA | VERO BEACH | FL | PHYSICIAN ASSISTANT | 49 | 961 | $82,320 | $86 | premium | 1.5% | (772) 257-3608 |
| 56 | ORTHOPEDICSNY, LLP | ALBANY | NY | PHYSICIAN ASSISTANT | 112 | 960 | $52,328 | $55 | premium | 1.7% | (518) 489-2663 |
| 57 | PENINSULA RADIOLOGICAL ASSOCIATES LIMITED | NEWPORT NEWS | VA | DIAGNOSTIC RADIOLOGY | 65 | 957 | $27,782 | $29 | premium | 3.4% | (757) 594-3900 |
| 58 | PATIENT FIRST MARYLAND MEDICAL GROUP PLLC | BALTIMORE | MD | PHYSICIAN ASSISTANT | 262 | 956 | $90,096 | $94 | premium | 3.2% | (443) 461-1997 |
| 59 | TUCSON ORTHOPAEDIC INSTITUTE PROFESSIONAL CORPORATION | TUCSON | AZ | PHYSICIAN ASSISTANT | 111 | 955 | $86,724 | $91 | premium | 4.7% | (520) 382-8200 |
| 60 | HOUSTON RADIOLOGY ASSOCIATED | HOUSTON | TX | DIAGNOSTIC RADIOLOGY | 103 | 954 | $60,597 | $64 | premium | 1.7% | (281) 206-9020 |
| 61 | DUKE HEALTH INTEGRATED PRACTICE INC | DURHAM | NC | PHYSICIAN ASSISTANT | 3051 | 953 | $118,291 | $124 | premium | 3.7% | (919) 684-8111 |
| 62 | ORTHOMIDWEST, PLLC | CHICAGO | IL | PHYSICIAN ASSISTANT | 542 | 953 | $112,383 | $118 | premium | 2.2% | (877) 632-6637 |
| 63 | DESERT ORTHOPEDIC CENTER A MEDICAL GROUP INC | RANCHO MIRAGE | CA | PHYSICIAN ASSISTANT | 50 | 952 | $28,923 | $30 | premium | 1.1% | (760) 340-3911 |
| 64 | REGENTS OF THE UNIVERSITY OF CALIFORNIA | SAN DIEGO | CA | DIAGNOSTIC RADIOLOGY | 2057 | 941 | $69,289 | $74 | premium | 1.1% | (800) 926-8273 |
| 65 | ZWANGER AND PESIRI RADIOLOGY GROUP LLP | LINDENHURST | NY | DIAGNOSTIC RADIOLOGY | 91 | 939 | $83,322 | $89 | premium | 1.7% | (631) 225-7200 |
| 66 | WELLSPAN MEDICAL GROUP | YORK | PA | PHYSICIAN ASSISTANT | 2312 | 921 | $26,854 | $29 | premium | 2.3% | — |
| 67 | COMMONWEALTH RADIOLOGY PC | RICHMOND | VA | DIAGNOSTIC RADIOLOGY | 49 | 920 | $23,025 | $25 | premium | 3.3% | (804) 288-8327 |
| 68 | REGENTS OF THE UNIV OF CA | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 1608 | 920 | $46,000 | $50 | premium | 1.1% | (877) 827-7463 |
| 69 | EVANSVILLE RADIOLOGY PC | EVANSVILLE | IN | DIAGNOSTIC RADIOLOGY | 29 | 917 | $30,261 | $33 | premium | 5.5% | (812) 422-3254 |
| 70 | UNIVERSITY HOSPITALS MEDICAL GROUP INC | CLEVELAND | OH | NURSE PRACTITIONER | 2232 | 916 | $26,937 | $29 | premium | 3.0% | — |
| 71 | GOLDEN STATE ORTHOPEDICS AND SPINE | WALNUT CREEK | CA | ORTHOPEDIC SURGERY | 190 | 913 | $133,298 | $146 | premium | 1.1% | (925) 939-8585 |
| 72 | STONY BROOK RADIOLOGY, UNIVERSITY FACULTY PRACTICE CORPORATION | STONY BROOK | NY | DIAGNOSTIC RADIOLOGY | 59 | 912 | $77,556 | $85 | premium | 1.6% | (631) 638-2121 |
| 73 | EASTERN RADIOLOGISTS INC | GREENVILLE | NC | DIAGNOSTIC RADIOLOGY | 93 | 907 | $27,412 | $30 | premium | 3.5% | (252) 752-5000 |
| 74 | BRIGHAM AND WOMENS PHYSICIANS ORGANIZATION INC | BOSTON | MA | PHYSICIAN ASSISTANT | 2942 | 904 | $32,527 | $36 | premium | 2.8% | (617) 732-5500 |
| 75 | MORI BEAN AND BROOKS INC | ORANGE PARK | FL | DIAGNOSTIC RADIOLOGY | 947 | 892 | $76,168 | $85 | premium | 1.4% | (904) 399-5550 |
| 76 | UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL CENTER AT DALLAS | DALLAS | TX | PHYSICIAN ASSISTANT | 3200 | 888 | $51,776 | $58 | premium | 1.6% | (214) 633-5555 |
| 77 | CENTER FOR ORTHOPEDIC RESEARCH AND EDUCATION LLC | SUN CITY | AZ | PHYSICIAN ASSISTANT | 254 | 884 | $78,269 | $89 | premium | 4.3% | (866) 974-2673 |
| 78 | RIVERSIDE RADIOLOGY AND INTERVENTIONAL ASSOCIATES INC | COLUMBUS | OH | DIAGNOSTIC RADIOLOGY | 243 | 880 | $35,198 | $40 | premium | 2.8% | (614) 566-5600 |
| 79 | MERCY CLINIC SPRINGFIELD COMMUNITIES | SPRINGFIELD | MO | PHYSICIAN ASSISTANT | 1128 | 878 | $53,641 | $61 | premium | 4.2% | — |
| 80 | BON SECOURS MEDICAL GROUP GREENVILLE SPECIALTY CARE LLC | GREENVILLE | SC | NURSE PRACTITIONER | 288 | 869 | $48,772 | $56 | premium | 5.2% | (864) 255-1901 |
| 81 | PRISMA HEALTH MEDICAL GROUP-MIDLANDS | COLUMBIA | SC | PHYSICIAN ASSISTANT | 1017 | 866 | $96,048 | $111 | premium | 5.2% | (803) 749-5101 |
| 82 | ORTHOPAEDIC SPECIALTY INSTITUTE MEDICAL GROUP OF ORANGE COUNTY | ORANGE | CA | PHYSICIAN ASSISTANT | 58 | 866 | $90,064 | $104 | premium | 1.0% | (714) 634-4567 |
| 83 | OSU RADIOLOGY LLC | COLUMBUS | OH | DIAGNOSTIC RADIOLOGY | 174 | 864 | $31,144 | $36 | premium | 2.8% | (614) 293-8315 |
| 84 | NORTHEAST ORTHOPAEDIC ALLIANCE PLLC | CONCORD | NH | PHYSICIAN ASSISTANT | 268 | 858 | $172,624 | $201 | premium | 13.8% | (603) 883-0091 |
| 85 | REGENTS OF THE UNIVERSITY OF CALIFORNIA | LOS ANGELES | CA | ORTHOPEDIC SURGERY | 136 | 851 | $174,720 | $205 | premium | 1.0% | (310) 443-8999 |
| 86 | CHARLOTTE RADIOLOGY PA | CHARLOTTE | NC | DIAGNOSTIC RADIOLOGY | 218 | 849 | $50,282 | $59 | premium | 3.3% | (704) 362-1945 |
| 87 | FLORIDA CLINICAL PRACTICE ASSOCIATION INC | GAINESVILLE | FL | NURSE PRACTITIONER | 1912 | 835 | $42,263 | $51 | premium | 1.3% | (352) 265-8990 |
| 88 | SOUTHERN BONE AND JOINT SPECIALISTS, PA | HATTIESBURG | MS | PHYSICIAN ASSISTANT | 53 | 831 | $60,497 | $73 | premium | 6.4% | (601) 554-7400 |
| 89 | RESURGENS, LLC | ATLANTA | GA | ORTHOPEDIC SURGERY | 172 | 822 | $125,248 | $152 | premium | 4.0% | (404) 847-9999 |
| 90 | OPTUM MEDICAL CARE PC | MOUNT KISCO | NY | INTERNAL MEDICINE | 1040 | 815 | $140,022 | $172 | premium | 1.5% | (914) 241-1050 |
| 91 | SANFORD MEDICAL CENTER FARGO | FARGO | ND | NURSE PRACTITIONER | 1198 | 811 | $41,715 | $51 | premium | 27.4% | (701) 234-2000 |
| 92 | KANSAS UNIVERSITY PHYSICIANS INC | KANSAS CITY | KS | NURSE PRACTITIONER | 1815 | 806 | $26,283 | $33 | premium | 7.8% | (913) 588-1227 |
| 93 | REGENTS OF THE UNIVERSITY OF MICHIGAN | ANN ARBOR | MI | INTERNAL MEDICINE | 3330 | 801 | $38,744 | $48 | premium | 3.5% | (734) 763-5459 |
| 94 | RADIOLOGISTS OF UNIV OF ROCHESTER | ROCHESTER | NY | DIAGNOSTIC RADIOLOGY | 134 | 799 | $67,710 | $85 | premium | 1.4% | — |
| 95 | SOUTHERN NEW ENGLAND RADIOLOGY INC | FALL RIVER | MA | DIAGNOSTIC RADIOLOGY | 22 | 797 | $21,519 | $27 | premium | 2.5% | (508) 679-7136 |
| 96 | ORTHOPEDIC ONE, INC. | UPPER ARLINGTON | OH | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 280 | 787 | $71,550 | $91 | premium | 2.5% | (614) 827-8700 |
| 97 | SINGLETON ASSOCIATES PA | HOUSTON | TX | DIAGNOSTIC RADIOLOGY | 769 | 786 | $97,466 | $124 | premium | 1.4% | (855) 504-4544 |
| 98 | THE SAN ANTONIO ORTHOPAEDIC GROUP LLP | SAN ANTONIO | TX | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 138 | 782 | $71,162 | $91 | premium | 1.4% | (210) 804-5400 |
| 99 | MSK GROUP PC | MEMPHIS | TN | ORTHOPEDIC SURGERY | 141 | 780 | $57,732 | $74 | premium | 3.4% | (901) 641-3000 |
| 100 | ADVANCED ORTHOPAEDIC ASSOCIATES, P.A. | WELLINGTON | KS | ORTHOPEDIC SURGERY | 48 | 779 | $74,848 | $96 | premium | 7.5% | (316) 631-1600 |
Showing the top 100 of 2,612 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 →