73110 — X-ray of wrist, minimum of 3 views
413,308 observed fee-for-service (50%) · ~411,245 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 | 73110 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 4,108 | $561,089 | $137 | premium | 5.0% | (916) 681-8852 |
| 2 | ILLINOIS BONE AND JOINT INSTITUTE, LLC | BANNOCKBURN | IL | ORTHOPEDIC SURGERY | 595 | 3,567 | $479,378 | $134 | premium | 8.7% | — |
| 3 | RADIOLOGY ASSOCIATES OF NORTH TEXAS PA | FORT WORTH | TX | DIAGNOSTIC RADIOLOGY | 340 | 3,113 | $109,262 | $35 | premium | 6.1% | (817) 321-0470 |
| 4 | SCRIPPS HEALTH | LA JOLLA | CA | PHYSICIAN ASSISTANT | 1431 | 3,059 | $621,455 | $203 | premium | 3.7% | (858) 455-9100 |
| 5 | ORTHOVIRGINIA INC | NORTH CHESTERFIELD | VA | PHYSICIAN ASSISTANT | 567 | 3,046 | $395,261 | $130 | premium | 12.8% | — |
| 6 | ORTHOPEDIC SPECIALISTS OF NORTH AMERICA PLLC | SCOTTSDALE | AZ | ORTHOPEDIC SURGERY | 308 | 2,823 | $304,884 | $108 | premium | 15.5% | (602) 385-2115 |
| 7 | EMERGEORTHO PA | DURHAM | NC | PHYSICIAN ASSISTANT | 725 | 2,626 | $263,243 | $100 | premium | 10.9% | (919) 544-7270 |
| 8 | CEDARS-SINAI MEDICAL CARE FOUNDATION | LOS ANGELES | CA | PHYSICIAN ASSISTANT | 1699 | 2,537 | $380,088 | $150 | premium | 3.1% | (310) 423-0674 |
| 9 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 2,414 | $285,097 | $118 | premium | 4.4% | (212) 263-9700 |
| 10 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | NY | PHYSICIAN ASSISTANT | 6294 | 2,246 | $860,048 | $383 | premium | 4.1% | — |
| 11 | ORTHONJ LLC | MANASQUAN | NJ | PHYSICIAN ASSISTANT | 300 | 2,238 | $409,371 | $183 | premium | 9.7% | (732) 974-0404 |
| 12 | ORTHOMIDWEST, PLLC | CHICAGO | IL | PHYSICIAN ASSISTANT | 542 | 1,925 | $240,404 | $125 | premium | 4.7% | (877) 632-6637 |
| 13 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 1,917 | $370,499 | $193 | premium | 2.3% | (415) 600-1020 |
| 14 | TRUE NORTH MEDICAL GROUP PC | ROCKVILLE CENTRE | NY | PHYSICIAN ASSISTANT | 182 | 1,875 | $777,400 | $415 | premium | 3.4% | (516) 536-2800 |
| 15 | TENNESSEE ORTHOPAEDIC ALLIANCE PA | NASHVILLE | TN | PHYSICIAN ASSISTANT | 352 | 1,846 | $209,419 | $113 | premium | 9.2% | (615) 329-6600 |
| 16 | ENDEAVOR HEALTH MEDICAL GROUP | EVANSTON | IL | NURSE PRACTITIONER | 3380 | 1,836 | $96,741 | $53 | premium | 4.5% | — |
| 17 | PRISMA HEALTH UNIVERSITY MEDICAL GROUP | GREENVILLE | SC | NURSE PRACTITIONER | 2447 | 1,827 | $104,159 | $57 | premium | 11.5% | — |
| 18 | ORTHOARKANSAS PA | LITTLE ROCK | AR | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 145 | 1,786 | $246,460 | $138 | premium | 18.8% | (501) 500-3500 |
| 19 | ORTHOLONESTAR PLLC | DALLAS | TX | PHYSICIAN ASSISTANT | 407 | 1,785 | $214,560 | $120 | premium | 3.5% | (214) 220-2468 |
| 20 | TALLAHASSEE ORTHOPEDIC CLINIC III PL | TALLAHASSEE | FL | PHYSICIAN ASSISTANT | 542 | 1,751 | $355,960 | $203 | premium | 2.8% | (850) 877-8174 |
| 21 | SCOTT AND WHITE CLINIC | TEMPLE | TX | PHYSICIAN ASSISTANT | 2435 | 1,749 | $94,023 | $54 | premium | 3.4% | (254) 724-2663 |
| 22 | ADVANCED RADIOLOGY SERVICES PC | GRAND RAPIDS | MI | DIAGNOSTIC RADIOLOGY | 249 | 1,739 | $60,967 | $35 | premium | 9.0% | (616) 363-7272 |
| 23 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 1,711 | $188,356 | $110 | premium | 4.2% | — |
| 24 | CENTERS FOR ADVANCED ORTHOPAEDICS LLC | OLNEY | MD | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 596 | 1,669 | $203,364 | $122 | premium | 6.4% | (301) 774-0500 |
| 25 | DIGNITY HEALTH MEDICAL FOUNDATION | FOLSOM | CA | DIAGNOSTIC RADIOLOGY | 1197 | 1,600 | $142,102 | $89 | premium | 1.9% | (916) 983-7476 |
| 26 | ORTHOCAROLINA | CHARLOTTE | NC | PHYSICIAN ASSISTANT | 304 | 1,599 | $132,717 | $83 | premium | 6.7% | (704) 323-2100 |
| 27 | SUMMIT MEDICAL GROUP PA | BERKELEY HEIGHTS | NJ | PHYSICIAN ASSISTANT | 1183 | 1,460 | $174,266 | $119 | premium | 6.3% | (908) 273-4300 |
| 28 | IHC HEALTH SERVICES INC | MURRAY | UT | PHYSICIAN ASSISTANT | 3944 | 1,449 | $84,263 | $58 | premium | 35.5% | (801) 261-8346 |
| 29 | UMASS MEMORIAL MEDICAL GROUP INC | WORCESTER | MA | PHYSICIAN ASSISTANT | 2483 | 1,438 | $69,426 | $48 | premium | 5.1% | (508) 334-1000 |
| 30 | MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC | BOSTON | MA | DIAGNOSTIC RADIOLOGY | 3532 | 1,384 | $91,879 | $66 | premium | 4.9% | (617) 724-0287 |
| 31 | ORTHOPAEDIC AND NEUROSURGERY SPECIALISTS, PLLC | GREENWICH | NY | PHYSICIAN ASSISTANT | 259 | 1,376 | $137,562 | $100 | premium | 2.5% | (203) 869-1145 |
| 32 | PROLIANCE SURGEONS INC P S | ISSAQUAH | WA | PHYSICIAN ASSISTANT | 395 | 1,360 | $126,028 | $93 | premium | 7.6% | (425) 313-5422 |
| 33 | MICHIGAN SURGERY SPECIALISTS PC | WARREN | MI | ORTHOPEDIC SURGERY | 27 | 1,319 | $109,775 | $83 | premium | 6.9% | (586) 573-6880 |
| 34 | MAYO CLINIC | ROCHESTER | MN | NURSE PRACTITIONER | 4896 | 1,318 | $184,197 | $140 | premium | 7.0% | (507) 284-2511 |
| 35 | HAND SURGICAL ASSOCIATES LTD | METAIRIE | LA | OCCUPATIONAL THERAPIST IN PRIVATE PRACTICE | 7 | 1,297 | $129,700 | $100 | premium | 10.4% | (504) 454-2191 |
| 36 | NORTH FLORIDA SURGEONS PA | JACKSONVILLE | FL | PHYSICIAN ASSISTANT | 331 | 1,276 | $143,870 | $113 | premium | 2.0% | (904) 396-1725 |
| 37 | ORTHOSC LLC | MYRTLE BEACH | SC | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 113 | 1,274 | $102,506 | $80 | premium | 8.0% | (843) 491-4937 |
| 38 | RHODE ISLAND MEDICAL IMAGING INC | EAST PROVIDENCE | RI | DIAGNOSTIC RADIOLOGY | 109 | 1,200 | $54,092 | $45 | premium | 30.0% | (401) 626-3900 |
| 39 | THE SAN ANTONIO ORTHOPAEDIC GROUP LLP | SAN ANTONIO | TX | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 138 | 1,182 | $120,566 | $102 | premium | 2.3% | (210) 804-5400 |
| 40 | MAYO CLINIC ARIZONA | PHOENIX | AZ | PHYSICIAN ASSISTANT | 1635 | 1,179 | $133,804 | $113 | premium | 6.5% | (800) 603-0558 |
| 41 | ADVANCED RADIOLOGY P A | BALTIMORE | MD | DIAGNOSTIC RADIOLOGY | 161 | 1,170 | $108,149 | $92 | premium | 4.5% | (888) 972-9700 |
| 42 | STANFORD HEALTH CARE | STANFORD | CA | DIAGNOSTIC RADIOLOGY | 3039 | 1,155 | $132,695 | $115 | premium | 1.4% | (650) 723-4000 |
| 43 | THE ASSOCIATION OF UNIVERSITY PHYSICIANS | SEATTLE | WA | PHYSICIAN ASSISTANT | 3612 | 1,148 | $54,671 | $48 | premium | 6.4% | (206) 364-0500 |
| 44 | PENINSULA ORTHOPAEDIC ASSOC PA | SALISBURY | MD | PHYSICIAN ASSISTANT | 57 | 1,146 | $106,861 | $93 | premium | 4.4% | (410) 749-4154 |
| 45 | DUPAGE MEDICAL GROUP LTD | GLEN ELLYN | IL | PHYSICIAN ASSISTANT | 1323 | 1,119 | $128,179 | $115 | premium | 2.7% | (630) 469-9200 |
| 46 | RECONSTRUCTIVE ORTHOPAEDIC ASSOCIATES II LLC | PHILADELPHIA | PA | PHYSICIAN ASSISTANT | 287 | 1,072 | $237,984 | $222 | premium | 3.5% | (267) 339-3500 |
| 47 | INFINITE HEALTH COLLABORATIVE, PA | MINNEAPOLIS | MN | PHYSICIAN ASSISTANT | 813 | 1,069 | $154,112 | $144 | premium | 5.7% | (612) 863-6960 |
| 48 | CENTER FOR ORTHOPEDIC RESEARCH AND EDUCATION LLC | SUN CITY | AZ | PHYSICIAN ASSISTANT | 254 | 1,064 | $103,399 | $97 | premium | 5.8% | (866) 974-2673 |
| 49 | TULSA BONE AND JOINT ASSOCIATES PC | TULSA | OK | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 92 | 1,045 | $70,720 | $68 | premium | 8.6% | (918) 392-1513 |
| 50 | SPRINGFIELD CLINIC, LLP | SPRINGFIELD | IL | NURSE PRACTITIONER | 686 | 1,018 | $141,607 | $139 | premium | 2.5% | (217) 544-6464 |
| 51 | SOUTHEAST ORTHOPEDIC SPECIALISTS LLC | JACKSONVILLE | FL | PHYSICIAN ASSISTANT | 143 | 1,005 | $102,021 | $102 | premium | 1.6% | (904) 634-0640 |
| 52 | SPORTS MEDICINE NORTH ORTHOPAEDIC SURGERY, INC. | PEABODY | MA | PHYSICIAN ASSISTANT | 87 | 1,001 | $94,362 | $94 | premium | 3.5% | (978) 818-6350 |
| 53 | MORI BEAN AND BROOKS INC | ORANGE PARK | FL | DIAGNOSTIC RADIOLOGY | 947 | 990 | $82,920 | $84 | premium | 1.6% | (904) 399-5550 |
| 54 | MAIMONIDES MEDICAL CENTER ORTHOPAEDIC FPP | BROOKLYN | NY | ORTHOPEDIC SURGERY | 25 | 983 | $174,043 | $177 | premium | 1.8% | (718) 283-7400 |
| 55 | ROPER SAINT FRANCIS PHYSICIANS NETWORK | CHARLESTON | SC | PHYSICIAN ASSISTANT | 539 | 973 | $95,354 | $98 | premium | 6.1% | (843) 720-8448 |
| 56 | PREMIER ORTHOPAEDIC AND SPORTS MEDICINE ASSOCIATES, LTD | BROOMALL | PA | ORTHOPEDIC SURGERY | 216 | 969 | $127,526 | $132 | premium | 3.1% | (610) 353-0800 |
| 57 | GOLDEN STATE ORTHOPEDICS AND SPINE | WALNUT CREEK | CA | ORTHOPEDIC SURGERY | 190 | 967 | $157,784 | $163 | premium | 1.2% | (925) 939-8585 |
| 58 | STONY BROOK RADIOLOGY, UNIVERSITY FACULTY PRACTICE CORPORATION | STONY BROOK | NY | DIAGNOSTIC RADIOLOGY | 59 | 953 | $92,921 | $98 | premium | 1.7% | (631) 638-2121 |
| 59 | DARTMOUTH-HITCHCOCK CLINIC | LEBANON | NH | PHYSICIAN ASSISTANT | 1441 | 951 | $138,246 | $145 | premium | 16.9% | (603) 650-5000 |
| 60 | ZWANGER AND PESIRI RADIOLOGY GROUP LLP | LINDENHURST | NY | DIAGNOSTIC RADIOLOGY | 91 | 934 | $80,781 | $86 | premium | 1.7% | (631) 225-7200 |
| 61 | SPECTRUM HEALTHCARE PARTNERS PA | PORTLAND | ME | DIAGNOSTIC RADIOLOGY | 281 | 916 | $25,448 | $28 | premium | 35.7% | (207) 828-2160 |
| 62 | MSK GROUP PC | MEMPHIS | TN | ORTHOPEDIC SURGERY | 141 | 907 | $73,177 | $81 | premium | 4.5% | (901) 641-3000 |
| 63 | TOLEDO RADIOLOGICAL ASSOCIATES INC | COLDWATER | OH | DIAGNOSTIC RADIOLOGY | 51 | 907 | $23,442 | $26 | premium | 3.8% | (517) 279-5400 |
| 64 | REGENTS OF THE UNIVERSITY OF CALIFORNIA | SAN DIEGO | CA | DIAGNOSTIC RADIOLOGY | 2057 | 887 | $76,043 | $86 | premium | 1.1% | (800) 926-8273 |
| 65 | OPTUM MEDICAL CARE PC | MOUNT KISCO | NY | INTERNAL MEDICINE | 1040 | 883 | $120,194 | $136 | premium | 1.6% | (914) 241-1050 |
| 66 | ST CHARLES HEALTH SYSTEM INC | BEND | OR | PHYSICIAN ASSISTANT | 373 | 882 | $86,877 | $98 | premium | 10.0% | (541) 706-7715 |
| 67 | ORTHOPEDICSNY, LLP | ALBANY | NY | PHYSICIAN ASSISTANT | 112 | 869 | $53,148 | $61 | premium | 1.6% | (518) 489-2663 |
| 68 | RENO ORTHOPAEDIC CLINIC LTD | RENO | NV | ORTHOPEDIC SURGERY | 95 | 867 | $95,304 | $110 | premium | 13.7% | (775) 786-3040 |
| 69 | TUCSON ORTHOPAEDIC INSTITUTE PROFESSIONAL CORPORATION | TUCSON | AZ | PHYSICIAN ASSISTANT | 111 | 866 | $81,635 | $94 | premium | 4.8% | (520) 382-8200 |
| 70 | VANN-VIRGINIA CENTER FOR ORTHOPAEDICS PC | VIRGINIA BEACH | VA | PHYSICIAN ASSISTANT | 67 | 859 | $111,670 | $130 | premium | 3.6% | (757) 321-3300 |
| 71 | HOUSTON RADIOLOGY ASSOCIATED | HOUSTON | TX | DIAGNOSTIC RADIOLOGY | 103 | 857 | $55,137 | $64 | premium | 1.7% | (281) 206-9020 |
| 72 | REGENTS OF THE UNIVERSITY OF CALIFORNIA | LOS ANGELES | CA | ORTHOPEDIC SURGERY | 136 | 848 | $196,876 | $232 | premium | 1.0% | (310) 443-8999 |
| 73 | CHARLOTTE RADIOLOGY PA | CHARLOTTE | NC | DIAGNOSTIC RADIOLOGY | 218 | 838 | $45,124 | $54 | premium | 3.5% | (704) 362-1945 |
| 74 | VIRTUA MEDICAL GROUP, PA | VOORHEES | NJ | PHYSICIAN ASSISTANT | 1662 | 833 | $104,587 | $126 | premium | 3.6% | (856) 247-7260 |
| 75 | SOUTHERN OREGON ORTHOPEDICS INC | MEDFORD | OR | PHYSICIAN ASSISTANT | 61 | 827 | $76,928 | $93 | premium | 9.3% | (541) 779-6250 |
| 76 | PATIENT FIRST MARYLAND MEDICAL GROUP PLLC | BALTIMORE | MD | PHYSICIAN ASSISTANT | 262 | 825 | $94,710 | $115 | premium | 3.2% | (443) 461-1997 |
| 77 | UNIVERSITY ORTHOPEDICS INC | PROVIDENCE | RI | ORTHOPEDIC SURGERY | 180 | 818 | $109,970 | $134 | premium | 20.4% | (401) 457-1500 |
| 78 | UNIVERSITY HOSPITALS MEDICAL GROUP INC | CLEVELAND | OH | NURSE PRACTITIONER | 2232 | 818 | $26,621 | $33 | premium | 3.4% | — |
| 79 | ROTHMAN ORTHOPAEDICS OF NEW JERSEY, LLC | MARLTON | NJ | PHYSICIAN ASSISTANT | 176 | 806 | $175,890 | $218 | premium | 3.5% | (800) 321-9999 |
| 80 | CENTRAL JERSEY HAND SURGERY | EATONTOWN | NJ | HAND SURGERY | 8 | 794 | $127,225 | $160 | premium | 3.4% | (732) 542-4477 |
| 81 | UT PHYSICIANS | HOUSTON | TX | NURSE PRACTITIONER | 1758 | 791 | $71,474 | $90 | premium | 1.5% | (713) 566-5000 |
| 82 | VENTURA ORTHOPEDICS MEDICAL GROUP INC | VENTURA | CA | PHYSICIAN ASSISTANT | 79 | 791 | $69,560 | $88 | premium | 1.0% | — |
| 83 | ORTHOTENNESSEE PC | KNOXVILLE | TN | PHYSICIAN ASSISTANT | 157 | 790 | $88,305 | $112 | premium | 3.9% | (865) 558-4400 |
| 84 | PENINSULA RADIOLOGICAL ASSOCIATES LIMITED | NEWPORT NEWS | VA | DIAGNOSTIC RADIOLOGY | 65 | 779 | $22,591 | $29 | premium | 3.3% | (757) 594-3900 |
| 85 | COMMONWEALTH RADIOLOGY PC | RICHMOND | VA | DIAGNOSTIC RADIOLOGY | 49 | 777 | $19,425 | $25 | premium | 3.3% | (804) 288-8327 |
| 86 | MONTEFIORE MEDICAL CENTER | BRONX | NY | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 2796 | 777 | $229,645 | $296 | premium | 1.4% | (866) 633-8255 |
| 87 | REGENTS OF THE UNIV OF CA | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 1608 | 774 | $38,700 | $50 | premium | 0.9% | (877) 827-7463 |
| 88 | SARAH BUSH LINCOLN HEALTH CENTER | MATTOON | IL | NURSE PRACTITIONER | 405 | 771 | $94,869 | $123 | premium | 1.9% | — |
| 89 | SOUTHERN NEW ENGLAND RADIOLOGY INC | FALL RIVER | MA | DIAGNOSTIC RADIOLOGY | 22 | 765 | $20,655 | $27 | premium | 2.7% | (508) 679-7136 |
| 90 | FLORIDA CLINICAL PRACTICE ASSOCIATION INC | GAINESVILLE | FL | NURSE PRACTITIONER | 1912 | 764 | $38,513 | $50 | premium | 1.2% | (352) 265-8990 |
| 91 | BATON ROUGE ORTHOPAEDIC CLINIC LLC | BATON ROUGE | LA | PHYSICIAN ASSISTANT | 145 | 762 | $84,110 | $110 | premium | 6.1% | — |
| 92 | EVANSVILLE RADIOLOGY PC | EVANSVILLE | IN | DIAGNOSTIC RADIOLOGY | 29 | 755 | $25,670 | $34 | premium | 5.2% | (812) 422-3254 |
| 93 | DESERT ORTHOPEDIC CENTER A MEDICAL GROUP INC | RANCHO MIRAGE | CA | PHYSICIAN ASSISTANT | 50 | 749 | $22,732 | $30 | premium | 0.9% | (760) 340-3911 |
| 94 | WEST TENNESSEE BONE AND JOINT CLINIC PC | JACKSON | TN | ORTHOPEDIC SURGERY | 60 | 740 | $58,460 | $79 | premium | 3.7% | (731) 661-9825 |
| 95 | MAYO CLINIC JACKSONVILLE | JACKSONVILLE | FL | NURSE PRACTITIONER | 1587 | 737 | $150,697 | $204 | premium | 1.2% | (904) 953-2000 |
| 96 | MASS GENERAL BRIGHAM COMMUNITY PHYSICIANS INC | MEDFORD | MA | DIAGNOSTIC RADIOLOGY | 424 | 733 | $32,357 | $44 | premium | 2.6% | (781) 395-4909 |
| 97 | ORTHOPAEDIC SPECIALTY INSTITUTE MEDICAL GROUP OF ORANGE COUNTY | ORANGE | CA | PHYSICIAN ASSISTANT | 58 | 731 | $83,655 | $114 | premium | 0.9% | (714) 634-4567 |
| 98 | LAHEY CLINIC INC | BURLINGTON | MA | NURSE PRACTITIONER | 1400 | 726 | $28,847 | $40 | premium | 2.6% | — |
| 99 | EASTERN RADIOLOGISTS INC | GREENVILLE | NC | DIAGNOSTIC RADIOLOGY | 93 | 722 | $23,350 | $32 | premium | 3.0% | (252) 752-5000 |
| 100 | IHA HEALTH SERVICES CORPORATION | YPSILANTI | MI | PHYSICIAN ASSISTANT | 1144 | 713 | $48,655 | $68 | premium | 3.7% | — |
Showing the top 100 of 2,092 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 →