32,246 observed fee-for-service (50%) · ~32,419 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 | 20526 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 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | NY | PHYSICIAN ASSISTANT | 6294 | 720 | $565,655 | $786 | premium | 21.6% | — |
| 2 | ILLINOIS BONE AND JOINT INSTITUTE, LLC | BANNOCKBURN | IL | ORTHOPEDIC SURGERY | 595 | 701 | $297,330 | $424 | premium | 36.6% | — |
| 3 | FLINT NEUROLOGICAL CENTRE PC | FLINT | MI | NEUROLOGY | 5 | 511 | $100,400 | $196 | premium | 26.3% | (810) 720-1335 |
| 4 | REGENTS OF THE UNIVERSITY OF CALIFORNIA | LOS ANGELES | CA | ORTHOPEDIC SURGERY | 136 | 486 | $190,447 | $392 | premium | 11.4% | (310) 443-8999 |
| 5 | ORTHOVIRGINIA INC | NORTH CHESTERFIELD | VA | PHYSICIAN ASSISTANT | 567 | 422 | $117,257 | $278 | premium | 22.4% | — |
| 6 | ORTHONJ LLC | MANASQUAN | NJ | PHYSICIAN ASSISTANT | 300 | 395 | $161,374 | $409 | premium | 18.0% | (732) 974-0404 |
| 7 | KENTUCKYONE HEALTH MEDICAL GROUP INC | LEXINGTON | KY | PHYSICIAN ASSISTANT | 245 | 366 | $99,450 | $272 | premium | 19.7% | (859) 276-4429 |
| 8 | ORTHOSC LLC | MYRTLE BEACH | SC | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 113 | 333 | $70,503 | $212 | premium | 24.4% | (843) 491-4937 |
| 9 | MICHIGAN SURGERY SPECIALISTS PC | WARREN | MI | ORTHOPEDIC SURGERY | 27 | 278 | $50,692 | $182 | premium | 14.3% | (586) 573-6880 |
| 10 | ORTHOPEDIC SPECIALISTS OF NORTH AMERICA PLLC | SCOTTSDALE | AZ | ORTHOPEDIC SURGERY | 308 | 276 | $74,906 | $271 | premium | 31.2% | (602) 385-2115 |
| 11 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 275 | $418,229 | $1,521 | premium | 8.3% | (212) 263-9700 |
| 12 | DESERT ORTHOPEDIC CENTER A MEDICAL GROUP INC | RANCHO MIRAGE | CA | PHYSICIAN ASSISTANT | 50 | 274 | $61,108 | $223 | premium | 6.4% | (760) 340-3911 |
| 13 | SUMMIT MEDICAL GROUP PA | BERKELEY HEIGHTS | NJ | PHYSICIAN ASSISTANT | 1183 | 273 | $80,080 | $293 | premium | 12.4% | (908) 273-4300 |
| 14 | ORTHOPAEDIC SURGERY ASSOCIATES PA | BOYNTON BEACH | FL | ORTHOPEDIC SURGERY | 20 | 257 | $99,229 | $386 | premium | 5.7% | — |
| 15 | TALLAHASSEE ORTHOPEDIC CLINIC III PL | TALLAHASSEE | FL | PHYSICIAN ASSISTANT | 542 | 244 | $133,616 | $548 | premium | 5.4% | (850) 877-8174 |
| 16 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 243 | $82,806 | $341 | premium | 5.7% | (916) 681-8852 |
| 17 | EMERGEORTHO PA | DURHAM | NC | PHYSICIAN ASSISTANT | 725 | 241 | $83,264 | $345 | premium | 12.8% | (919) 544-7270 |
| 18 | TENNESSEE ORTHOPAEDIC ALLIANCE PA | NASHVILLE | TN | PHYSICIAN ASSISTANT | 352 | 226 | $86,498 | $383 | premium | 18.0% | (615) 329-6600 |
| 19 | SEQUOIA INSTITUTE FOR SURGICAL SERVICES INC | VISALIA | CA | NURSE PRACTITIONER | 4 | 225 | $186,099 | $827 | premium | 5.3% | (559) 731-2009 |
| 20 | ORTHOARKANSAS PA | LITTLE ROCK | AR | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 145 | 219 | $60,480 | $276 | premium | 60.7% | (501) 500-3500 |
| 21 | LEHIGH VALLEY PHYSICIAN GROUP | ALLENTOWN | PA | PHYSICIAN ASSISTANT | 2389 | 212 | $40,632 | $192 | premium | 11.1% | — |
| 22 | ADIRONDACK REHABILITATION MEDICINE PLLC | QUEENSBURY | NY | PHYSICAL MEDICINE AND REHABILITATION | 7 | 207 | $34,694 | $168 | premium | 6.2% | 5187980767230 |
| 23 | SOUTHEAST ORTHOPEDIC SPECIALISTS LLC | JACKSONVILLE | FL | PHYSICIAN ASSISTANT | 143 | 203 | $92,609 | $456 | premium | 4.5% | (904) 634-0640 |
| 24 | TRUE NORTH MEDICAL GROUP PC | ROCKVILLE CENTRE | NY | PHYSICIAN ASSISTANT | 182 | 195 | $170,126 | $872 | premium | 5.9% | (516) 536-2800 |
| 25 | ENDEAVOR HEALTH MEDICAL GROUP | EVANSTON | IL | NURSE PRACTITIONER | 3380 | 195 | $38,455 | $197 | premium | 10.2% | — |
| 26 | CAMPBELL CLINIC, PC | GERMANTOWN | TN | ORTHOPEDIC SURGERY | 225 | 192 | $39,936 | $208 | premium | 15.3% | (901) 759-3100 |
| 27 | SAINTS MEDICAL GROUP, LLC | OKLAHOMA CITY | OK | PHYSICIAN ASSISTANT | 435 | 190 | $25,672 | $135 | premium | 34.6% | — |
| 28 | BATON ROUGE ORTHOPAEDIC CLINIC LLC | BATON ROUGE | LA | PHYSICIAN ASSISTANT | 145 | 190 | $53,995 | $284 | premium | 16.3% | — |
| 29 | RALEIGH ORTHOPAEDIC CLINIC PA | RALEIGH | NC | PHYSICIAN ASSISTANT | 127 | 187 | $42,212 | $226 | premium | 9.9% | (919) 781-5600 |
| 30 | LOUISIANA ORTHOPAEDIC SPECIALISTS LLC | LAFAYETTE | LA | PHYSICIAN ASSISTANT | 68 | 187 | $108,916 | $582 | premium | 16.0% | (337) 235-8007 |
| 31 | ORTHOTENNESSEE PC | KNOXVILLE | TN | PHYSICIAN ASSISTANT | 157 | 186 | $60,832 | $327 | premium | 14.8% | (865) 558-4400 |
| 32 | COMMUNITY FOUNDATION MEDICAL GROUP | FRESNO | CA | PHYSICIAN ASSISTANT | 292 | 183 | $47,311 | $259 | premium | 4.3% | — |
| 33 | SCRIPPS HEALTH | LA JOLLA | CA | PHYSICIAN ASSISTANT | 1431 | 179 | $72,917 | $407 | premium | 4.2% | (858) 455-9100 |
| 34 | ORTHOPEDIC ASSOC OF LONG ISLAND PHYSICIANS AND MEDICAL GROUP PLLC | EAST SETAUKET | NY | PHYSICIAN ASSISTANT | 30 | 179 | $165,750 | $926 | premium | 5.4% | (631) 689-6698 |
| 35 | PREMIER ORTHOPAEDIC AND SPORTS MEDICINE ASSOCIATES, LTD | BROOMALL | PA | ORTHOPEDIC SURGERY | 216 | 178 | $54,998 | $309 | premium | 9.3% | (610) 353-0800 |
| 36 | UNIVERSITY HOSPITALS MEDICAL GROUP INC | CLEVELAND | OH | NURSE PRACTITIONER | 2232 | 178 | $65,580 | $368 | premium | 13.5% | — |
| 37 | CENTERS FOR ADVANCED ORTHOPAEDICS LLC | OLNEY | MD | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 596 | 173 | $49,911 | $289 | premium | 21.2% | (301) 774-0500 |
| 38 | VIRTUA MEDICAL GROUP, PA | VOORHEES | NJ | PHYSICIAN ASSISTANT | 1662 | 168 | $55,590 | $331 | premium | 7.7% | (856) 247-7260 |
| 39 | CRYSTAL RUN HEALTHCARE PHYSICIANS LLP | MIDDLETOWN | NY | NURSE PRACTITIONER | 372 | 160 | $51,910 | $324 | premium | 4.8% | (845) 703-6999 |
| 40 | MSK GROUP PC | MEMPHIS | TN | ORTHOPEDIC SURGERY | 141 | 160 | $40,633 | $254 | premium | 12.7% | (901) 641-3000 |
| 41 | SOUTH CENTRAL CLINICS, INC | LAUREL | MS | NURSE PRACTITIONER | 123 | 158 | $34,240 | $217 | premium | 17.5% | (601) 649-2863 |
| 42 | NORTHEAST ORTHOPAEDIC ALLIANCE PLLC | CONCORD | MA | PHYSICIAN ASSISTANT | 268 | 157 | $50,146 | $319 | premium | 9.0% | (603) 883-0091 |
| 43 | HAND AND WRIST OF LOUISVILLE PLLC | LOUISVILLE | KY | PHYSICIAN ASSISTANT | 4 | 156 | $22,776 | $146 | premium | 8.4% | (502) 409-6898 |
| 44 | SENTARA MEDICAL GROUP | NORFOLK | VA | PHYSICIAN ASSISTANT | 1404 | 153 | $26,283 | $172 | premium | 8.1% | — |
| 45 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 153 | $57,981 | $379 | premium | 3.6% | (415) 600-1020 |
| 46 | NEW MEXICO ORTHOPAEDIC ASSOCIATES PC | ALBUQUERQUE | PA | PHYSICIAN ASSISTANT | 77 | 143 | $41,205 | $288 | premium | 7.5% | 50572443003208 |
| 47 | CENTERS FOR ADVANCED ORTHOPAEDICS LLC | OLNEY | VA | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 596 | 139 | $101,448 | $730 | premium | 7.4% | (301) 774-0500 |
| 48 | UNIVERSITY PRIMARY CARE PRACTICES INC | CONNEAUT | OH | FAMILY PRACTICE | 1067 | 139 | $29,370 | $211 | premium | 10.5% | — |
| 49 | SIMEDHEALTH LLC | GAINESVILLE | FL | NURSE PRACTITIONER | 91 | 138 | $17,066 | $124 | premium | 3.1% | (352) 416-1082 |
| 50 | DESERT ORTHOPAEDIC CENTER LTD | LAS VEGAS | NV | PHYSICIAN ASSISTANT | 102 | 136 | $51,356 | $378 | premium | 26.8% | (702) 731-1616 |
| 51 | LAKESHORE BONE AND JOINT INSTITUTE, PC | CHESTERTON | IN | PHYSICIAN ASSISTANT | 85 | 136 | $45,180 | $332 | premium | 16.6% | (219) 921-1444 |
| 52 | ORTHOCAROLINA | CHARLOTTE | NC | PHYSICIAN ASSISTANT | 304 | 132 | $38,500 | $292 | premium | 7.0% | (704) 323-2100 |
| 53 | MISSISSIPPI SPORTS MEDICINE AND ORTHOPAEDIC CENTER | JACKSON | MS | ORTHOPEDIC SURGERY | 75 | 129 | $23,700 | $184 | premium | 14.3% | (601) 354-4488 |
| 54 | GOLDEN STATE ORTHOPEDICS AND SPINE | WALNUT CREEK | CA | ORTHOPEDIC SURGERY | 190 | 128 | $43,512 | $340 | premium | 3.0% | (925) 939-8585 |
| 55 | MCLEOD PHYSICIAN ASSOCIATES II | FLORENCE | SC | PHYSICIAN ASSISTANT | 534 | 128 | $22,928 | $179 | premium | 9.4% | — |
| 56 | MACON ORTHOPAEDIC AND HAND CENTER, PA | MACON | GA | NURSE PRACTITIONER | 87 | 128 | $39,501 | $309 | premium | 10.6% | (478) 745-4206 |
| 57 | ORTHOPAEDIC SURGICAL ASSOCIATES OF LOWELL, P.C. | NORTH CHELMSFORD | MA | ORTHOPEDIC SURGERY | 43 | 127 | $60,590 | $477 | premium | 7.3% | (978) 454-0706 |
| 58 | DES MOINES ORTHOPAEDIC SURGEONS PC | WEST DES MOINES | IA | PHYSICIAN ASSISTANT | 104 | 122 | $39,780 | $326 | premium | 23.6% | (515) 343-1000 |
| 59 | THE ORTHOPAEDIC GROUP PC | MOBILE | AL | ORTHOPEDIC SURGERY | 69 | 119 | $19,040 | $160 | premium | 30.7% | (251) 476-5050 |
| 60 | UNIVERSITY MEDICAL ASSOCIATES OF THE MEDICAL UNIVERSITY OF SOUTH CAROL | CHARLESTON | SC | PHYSICIAN ASSISTANT | 1692 | 117 | $47,955 | $410 | premium | 8.6% | (843) 792-1414 |
| 61 | KANSAS ORTHOPAEDIC CENTER, PA | WICHITA | KS | PHYSICIAN ASSISTANT | 26 | 117 | $39,875 | $341 | premium | 36.6% | (316) 838-2020 |
| 62 | HAND SURGICAL ASSOCIATES LTD | METAIRIE | LA | OCCUPATIONAL THERAPIST IN PRIVATE PRACTICE | 7 | 116 | $50,050 | $431 | premium | 9.9% | (504) 454-2191 |
| 63 | HACKENSACK MERIDIAN HEALTH MEDICAL GROUP - SPECIALTY CARE PC | NEPTUNE | NJ | NURSE PRACTITIONER | 1878 | 114 | $35,773 | $314 | premium | 5.2% | (732) 362-3663 |
| 64 | OCHSNER CLINIC LLC | NEW ORLEANS | LA | NURSE PRACTITIONER | 2839 | 113 | $31,243 | $276 | premium | 9.7% | (504) 842-3000 |
| 65 | INFINITE HEALTH COLLABORATIVE, PA | MINNEAPOLIS | MN | PHYSICIAN ASSISTANT | 813 | 110 | $37,916 | $345 | premium | 38.1% | (612) 863-6960 |
| 66 | WEST FLORIDA MEDICAL CENTER CLINIC PA | PENSACOLA | FL | PHYSICIAN ASSISTANT | 109 | 109 | $17,222 | $158 | premium | 2.4% | (850) 474-8000 |
| 67 | ORTHOPAEDIC SPECIALTY INSTITUTE MEDICAL GROUP OF ORANGE COUNTY | ORANGE | CA | PHYSICIAN ASSISTANT | 58 | 109 | $32,045 | $294 | premium | 2.6% | (714) 634-4567 |
| 68 | PROMEDICA CENTRAL PHYSICIANS | TOLEDO | OH | PHYSICIAN ASSISTANT | 794 | 109 | $21,267 | $195 | premium | 8.3% | (419) 291-2003 |
| 69 | MAIMONIDES MEDICAL CENTER ORTHOPAEDIC FPP | BROOKLYN | NY | ORTHOPEDIC SURGERY | 25 | 109 | $42,334 | $388 | premium | 3.3% | (718) 283-7400 |
| 70 | PRISMA HEALTH UNIVERSITY MEDICAL GROUP | GREENVILLE | SC | NURSE PRACTITIONER | 2447 | 108 | $39,565 | $366 | premium | 7.9% | — |
| 71 | THE SAN ANTONIO ORTHOPAEDIC GROUP LLP | SAN ANTONIO | TX | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 138 | 108 | $30,080 | $279 | premium | 3.7% | (210) 804-5400 |
| 72 | LIFESPAN PHYSICIAN GROUP OF MASSACHUSETTS INC | DARTMOUTH | MA | PHYSICIAN ASSISTANT | 434 | 108 | $32,400 | $300 | premium | 6.2% | (508) 996-3991 |
| 73 | CENTRAL DUPAGE PHYSICIAN GROUP | WHEATON | IL | PHYSICIAN ASSISTANT | 1097 | 107 | $28,768 | $269 | premium | 5.6% | (630) 933-4800 |
| 74 | CAROLINA HAND AND SPORTS MEDICINE, P.A. | ASHEVILLE | NC | ORTHOPEDIC SURGERY | 8 | 106 | $17,820 | $168 | premium | 5.6% | 8282537521342 |
| 75 | COMMUNITY MEDICAL ASSOCIATES INC | LOUISVILLE | KY | NURSE PRACTITIONER | 1377 | 106 | $37,114 | $350 | premium | 5.7% | (502) 937-2209 |
| 76 | MARY WASHINGTON HEALTHCARE PHYSICIANS | FREDERICKSBURG | VA | PHYSICIAN ASSISTANT | 307 | 106 | $19,481 | $184 | premium | 5.6% | (540) 741-1100 |
| 77 | UNIVERSITY OF VIRGINIA PHYSICIANS GROUP | CHARLOTTESVILLE | VA | NURSE PRACTITIONER | 1704 | 105 | $31,122 | $296 | premium | 5.6% | (434) 924-5959 |
| 78 | COASTAL ORTHOPEDICS AND SPORTS MEDICINE OF SOUTHWEST FLORIDA PA | BRADENTON | FL | PHYSICIAN ASSISTANT | 62 | 104 | $16,640 | $160 | premium | 2.3% | (941) 792-1404 |
| 79 | BEACON ORTHOPAEDICS AND SPORTS MEDICINE LTD | CINCINNATI | OH | PHYSICIAN ASSISTANT | 468 | 104 | $21,905 | $211 | premium | 7.9% | (513) 354-3700 |
| 80 | SPECIALTY ORTHOPEDIC GROUP OF MS, PLLC | TUPELO | MS | ORTHOPEDIC SURGERY | 41 | 102 | $33,116 | $325 | premium | 11.3% | (662) 767-4200 |
| 81 | MACOMB PHYSICIANS GROUP PLLC | STERLING HEIGHTS | MI | INTERNAL MEDICINE | 11 | 102 | $11,220 | $110 | premium | 5.3% | (586) 795-4060 |
| 82 | HAND SURGERY ASSOCIATES OF LI, PC | Huntington | NY | ANESTHESIOLOGY | 6 | 102 | $64,186 | $629 | premium | 3.1% | — |
| 83 | SEAVIEW ORTHOPAEDICS AND MEDICAL ASSOCIATES LLP | OCEAN | NJ | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 96 | 101 | $91,080 | $902 | premium | 4.6% | 732660620011702 |
| 84 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 101 | $51,816 | $513 | premium | 5.3% | — |
| 85 | HEALTHTEXAS PROVIDER NETWORK | DALLAS | TX | PHYSICIAN ASSISTANT | 2482 | 101 | $39,800 | $394 | premium | 3.5% | — |
| 86 | HAND CENTER PA | SAN ANTONIO | TX | ORTHOPEDIC SURGERY | 7 | 100 | $23,449 | $234 | premium | 3.5% | (210) 558-7025 |
| 87 | PLASTIC AND HAND SURGERY ASSOCIATES PLLC | FLOWOOD | MS | PLASTIC AND RECONSTRUCTIVE SURGERY | 7 | 99 | $40,434 | $408 | premium | 11.0% | (601) 939-9999 |
| 88 | AMERICAN ARTHRITIS AND RHEUMATOLOGY ASSOCIATES -MI PLLC | PORT HURON | MI | RHEUMATOLOGY | 7 | 98 | $12,243 | $125 | premium | 5.1% | (810) 985-5000 |
| 89 | ORTHOLONESTAR PLLC | DALLAS | TX | PHYSICIAN ASSISTANT | 407 | 97 | $31,549 | $325 | premium | 3.3% | (214) 220-2468 |
| 90 | BAYSTATE MEDICAL PRACTICES INC | SPRINGFIELD | MA | PHYSICIAN ASSISTANT | 1326 | 97 | $21,645 | $223 | premium | 5.6% | — |
| 91 | IHA HEALTH SERVICES CORPORATION | YPSILANTI | MI | PHYSICIAN ASSISTANT | 1144 | 96 | $18,755 | $195 | premium | 4.9% | — |
| 92 | RESURGENS, LLC | ATLANTA | GA | ORTHOPEDIC SURGERY | 172 | 96 | $44,720 | $466 | premium | 7.9% | (404) 847-9999 |
| 93 | HILLCREST PHYSICIAN SERVICES | WACO | TX | NURSE PRACTITIONER | 113 | 93 | $20,720 | $223 | premium | 3.2% | (254) 202-7950 |
| 94 | ARCH HEALTH PARTNERS INC | POWAY | CA | PHYSICIAN ASSISTANT | 161 | 92 | $21,808 | $237 | premium | 2.2% | (858) 485-0050 |
| 95 | BLACKSTONE HAND CENTER, LLC | MELBOURNE | FL | PHYSICIAN ASSISTANT | 4 | 92 | $32,211 | $350 | premium | 2.0% | (321) 500-4263 |
| 96 | CLEVELAND CLINIC | CLEVELAND | OH | PHYSICIAN ASSISTANT | 6828 | 92 | $48,800 | $530 | premium | 7.0% | — |
| 97 | CEDARS-SINAI MEDICAL CARE FOUNDATION | LOS ANGELES | CA | PHYSICIAN ASSISTANT | 1699 | 91 | $30,126 | $331 | premium | 2.1% | (310) 423-0674 |
| 98 | ROPER SAINT FRANCIS PHYSICIANS NETWORK | CHARLESTON | SC | PHYSICIAN ASSISTANT | 539 | 90 | $21,120 | $235 | premium | 6.6% | (843) 720-8448 |
| 99 | THE HAND AND UPPER EXTREMITY CENTER OF GA, PC | ATLANTA | GA | ORTHOPEDIC SURGERY | 17 | 89 | $27,911 | $314 | premium | 7.3% | (404) 256-0226 |
| 100 | DUKE HEALTH INTEGRATED PRACTICE INC | DURHAM | NC | PHYSICIAN ASSISTANT | 3051 | 88 | $20,862 | $237 | premium | 4.7% | (919) 684-8111 |
Showing the top 100 of 555 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 →