22513 — Treatment of broken middle spine bone with placement of stabilizing device using imaging guidance
3,007 observed fee-for-service (50%) · ~3,013 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 | 22513 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC | BOSTON | MA | DIAGNOSTIC RADIOLOGY | 3532 | 77 | $165,292 | $2,147 | premium | 37.2% | (617) 724-0287 |
| 2 | SELECT PHYSICAL THERAPY HOLDINGS INC | EAGLE RIVER | OK | ORTHOPEDIC SURGERY | 2158 | 70 | $1,090,040 | $15,572 | premium | 19.7% | (907) 694-8085 |
| 3 | SOUTH FLORIDA ORTHOPAEDICS AND SPORTS MEDICINE, PA | STUART | FL | PHYSICIAN ASSISTANT | 71 | 63 | $1,407,935 | $22,348 | premium | 5.3% | — |
| 4 | MEDICAL IMAGING AND THERAPEUTICS LLC | LADY LAKE | FL | DIAGNOSTIC RADIOLOGY | 4 | 59 | $693,781 | $11,759 | premium | 5.0% | (352) 261-5502 |
| 5 | CHRISTUS TRINITY CLINIC | TYLER | TX | NURSE PRACTITIONER | 1495 | 57 | $447,240 | $7,846 | premium | 13.5% | (903) 606-5560 |
| 6 | MECKLENBURG RADIOLOGY ASSOCIATES PA | CHARLOTTE | NC | DIAGNOSTIC RADIOLOGY | 94 | 54 | $86,400 | $1,600 | premium | 25.4% | (704) 332-1291 |
| 7 | NORTHSIDE RADIOLOGY ASSOCIATES LLC | ATLANTA | GA | DIAGNOSTIC RADIOLOGY | 370 | 52 | $464,100 | $8,925 | premium | 39.4% | (404) 851-6577 |
| 8 | RADIOLOGY ASSOCIATES OF PENSACOLA PA | PENSACOLA | FL | DIAGNOSTIC RADIOLOGY | 21 | 48 | $82,560 | $1,720 | premium | 4.1% | (850) 208-6000 |
| 9 | PHYSICAL MEDICINE ASSOCIATES LTD | ALEXANDRIA | VA | NURSE PRACTITIONER | 75 | 47 | $1,180,640 | $25,120 | premium | 20.1% | (703) 971-4604 |
| 10 | RADIOLOGY ASSOCIATES OF RICHMOND INC | RICHMOND | VA | DIAGNOSTIC RADIOLOGY | 70 | 46 | $331,100 | $7,198 | premium | 19.7% | (804) 272-8806 |
| 11 | NEUROSCIENCE AND SPINE ASSOCIATES PL | NAPLES | FL | PHYSICIAN ASSISTANT | 52 | 46 | $1,150,000 | $25,000 | premium | 3.9% | (239) 312-7878 |
| 12 | CITRUS SPINE INSTITUTE LLC | CRYSTAL RIVER | FL | NURSE PRACTITIONER | 3 | 44 | $1,348,138 | $30,640 | premium | 3.7% | (352) 794-6868 |
| 13 | DRAGHA LLC | SCOTTSDALE | AZ | HOSPITALIST | 3 | 44 | $678,904 | $15,430 | premium | 30.6% | (480) 750-8130 |
| 14 | SWEDISH HEALTH SERVICES | SEATTLE | WA | PHYSICIAN ASSISTANT | 1033 | 44 | $67,320 | $1,530 | premium | 30.3% | — |
| 15 | CAMPBELL CLINIC, PC | GERMANTOWN | TN | ORTHOPEDIC SURGERY | 225 | 41 | $606,700 | $14,798 | premium | 38.0% | (901) 759-3100 |
| 16 | SETON FAMILY OF DOCTORS | AUSTIN | TX | PHYSICIAN ASSISTANT | 804 | 40 | $62,960 | $1,574 | premium | 9.5% | (512) 324-7300 |
| 17 | ERIK C SPAYDE MD INC | THOUSAND OAKS | CA | PHYSICIAN ASSISTANT | 4 | 39 | $1,216,800 | $31,200 | premium | 18.9% | 8053792322119 |
| 18 | JACKSONVILLE SPINE CENTER PA | JACKSONVILLE | FL | PHYSICIAN ASSISTANT | 35 | 37 | $774,797 | $20,940 | premium | 3.1% | (904) 223-3321 |
| 19 | BDC MEDICAL, PLLC | OKLAHOMA CITY | OK | PHYSICIAN ASSISTANT | 5 | 36 | $1,245,036 | $34,584 | premium | 10.1% | (405) 751-0011 |
| 20 | RADIOLOGY ASSOCIATES OF NORTH TEXAS PA | FORT WORTH | TX | DIAGNOSTIC RADIOLOGY | 340 | 36 | $78,300 | $2,175 | premium | 8.6% | (817) 321-0470 |
| 21 | KETTERING INDEPENDENT MEDICAL GROUP INC | KETTERING | OH | NURSE PRACTITIONER | 691 | 36 | $36,108 | $1,003 | premium | 16.7% | (937) 395-8646 |
| 22 | REGIONAL CLINICS OF LONGVIEW | LONGVIEW | TX | NURSE PRACTITIONER | 36 | 33 | $585,196 | $17,733 | premium | 7.8% | (903) 757-6042 |
| 23 | ORTHOCONNECTICUT PLLC | NEW MILFORD | NY | PHYSICIAN ASSISTANT | 54 | 33 | $1,089,000 | $33,000 | premium | 16.0% | (860) 355-8000 |
| 24 | FLORIDA SPINE ASSOCIATES LLC | BOCA RATON | FL | PHYSICIAN ASSISTANT | 20 | 32 | $1,896,928 | $59,279 | premium | 2.7% | (561) 495-9511 |
| 25 | EVANSVILLE RADIOLOGY PC | EVANSVILLE | IN | DIAGNOSTIC RADIOLOGY | 29 | 31 | $268,212 | $8,652 | premium | 20.8% | (812) 422-3254 |
| 26 | ST LUKES CLINIC-TREASURE VALLEY LLC | BOISE | ID | PHYSICIAN ASSISTANT | 1159 | 31 | $106,513 | $3,436 | premium | 100.0% | (208) 381-4210 |
| 27 | SAINT LUKES PHYSICIAN GROUP INC | KANSAS CITY | MO | NURSE PRACTITIONER | 1228 | 31 | $43,462 | $1,402 | premium | 15.8% | — |
| 28 | BAPTIST HEALTH MEDICAL GROUP PHYSICIANS LLC | SOUTH MIAMI | FL | PHYSICIAN ASSISTANT | 653 | 30 | $69,900 | $2,330 | premium | 2.5% | (786) 662-0600 |
| 29 | NEUROSURGICAL ASSOCIATES LTD | PHOENIX | AZ | NEUROSURGERY | 74 | 29 | $794,600 | $27,400 | premium | 20.1% | (602) 406-3181 |
| 30 | RADIOLOGY AND NUCLEAR MEDICINE LLC | TOPEKA | KS | DIAGNOSTIC RADIOLOGY | 31 | 29 | $31,900 | $1,100 | premium | 14.6% | (785) 354-6000 |
| 31 | CENTER FOR ORTHOPEDIC RESEARCH AND EDUCATION LLC | SUN CITY | AZ | PHYSICIAN ASSISTANT | 254 | 29 | $429,107 | $14,797 | premium | 20.1% | (866) 974-2673 |
| 32 | INNOVIS HEALTH LLC | FARGO | ND | NURSE PRACTITIONER | 565 | 28 | $48,720 | $1,740 | premium | 50.9% | (701) 364-6600 |
| 33 | REGIONAL BRAIN AND SPINE LLC | CAPE GIRARDEAU | MO | NURSE PRACTITIONER | 11 | 27 | $496,503 | $18,389 | premium | 13.8% | (573) 332-7746 |
| 34 | HUTCHINSON CLINIC PA INC | HUTCHINSON | KS | PHYSICIAN ASSISTANT | 131 | 26 | $33,046 | $1,271 | premium | 13.1% | (620) 669-2500 |
| 35 | DESERT PAIN SPECIALISTS LLC | SAINT GEORGE | UT | PHYSICIAN ASSISTANT | 18 | 26 | $734,916 | $28,266 | premium | 100.0% | (435) 216-7000 |
| 36 | S.B.J.S. PC | DOTHAN | AL | PHYSICIAN ASSISTANT | 39 | 24 | $28,272 | $1,178 | premium | 34.3% | (334) 793-2663 |
| 37 | HEALTH FIRST MEDICAL GROUP, LLC | MELBOURNE | FL | NURSE PRACTITIONER | 669 | 24 | $25,344 | $1,056 | premium | 2.0% | (321) 434-8878 |
| 38 | PREMIER BRAIN AND SPINE LLC | UNION | NJ | PHYSICIAN ASSISTANT | 127 | 24 | $956,235 | $39,843 | premium | 28.2% | (732) 906-9600 |
| 39 | NAPA VALLEY ORTHOPAEDIC MEDICAL GROUP INC | NAPA | CA | PHYSICIAN ASSISTANT | 17 | 24 | $266,014 | $11,084 | premium | 11.7% | (707) 254-7117 |
| 40 | LEGACY HEALTHCARE SERVICES INC | DURHAM | TX | INTERNAL MEDICINE | 3859 | 24 | $579,738 | $24,156 | premium | 5.7% | (919) 419-9600 |
| 41 | WASHINGTON REGIONAL MEDICAL SYSTEM | FAYETTEVILLE | AR | NURSE PRACTITIONER | 241 | 23 | $28,382 | $1,234 | premium | 15.2% | (479) 571-4338 |
| 42 | RADIOLOGY CONSULTANTS PC | OMAHA | NE | DIAGNOSTIC RADIOLOGY | 46 | 23 | $40,503 | $1,761 | premium | 46.9% | (402) 717-4760 |
| 43 | RICHARD S. OBEDIAN MD PLLC | HICKSVILLE | NY | ORTHOPEDIC SURGERY | 2 | 23 | $45,178 | $1,964 | premium | 11.2% | (516) 933-4350 |
| 44 | MSKCC RADIOLOGY GROUP | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 199 | 23 | $86,940 | $3,780 | premium | 11.2% | (646) 888-5300 |
| 45 | FAIRBANKS PARTNERS LLC | CELEBRATION | FL | NEUROSURGERY | 36 | 22 | $330,000 | $15,000 | premium | 1.9% | (407) 975-0200 |
| 46 | LAKELAND RADIOLOGISTS P A | FLOWOOD | MS | DIAGNOSTIC RADIOLOGY | 29 | 22 | $36,850 | $1,675 | premium | 12.6% | (601) 936-2390 |
| 47 | SPRINGFIELD NEUROLOGICAL AND SPINE INSTITUTE | SPRINGFIELD | MO | NEUROSURGERY | 15 | 22 | $45,850 | $2,084 | premium | 11.2% | (417) 885-3888 |
| 48 | HAYS MEDICAL CENTER INC | HAYS | KS | PHYSICIAN ASSISTANT | 182 | 22 | $27,192 | $1,236 | premium | 11.1% | (785) 623-5774 |
| 49 | SOUTHERN PAIN ASSOCIATES, PLLC | MERIDIAN | MS | NURSE PRACTITIONER | 10 | 22 | $150,700 | $6,850 | premium | 12.6% | (601) 482-9224 |
| 50 | SOUTH TEXAS RADIOLOGY GROUP PA | SAN ANTONIO | KS | DIAGNOSTIC RADIOLOGY | 80 | 21 | $207,900 | $9,900 | premium | 10.6% | (210) 736-8400 |
| 51 | RADIOLOGISTS PA | FORT SMITH | AR | DIAGNOSTIC RADIOLOGY | 19 | 20 | $42,198 | $2,110 | premium | 13.2% | (479) 474-1616 |
| 52 | JAGANNATHAN NEUROSURGICAL INSTITUTE PLLC | WEST BRANCH | MI | PHYSICIAN ASSISTANT | 11 | 20 | $1,043,000 | $52,150 | premium | 12.7% | (989) 343-3178 |
| 53 | ROCKINGHAM RADIOLOGISTS | ROCKINGHAM | VA | DIAGNOSTIC RADIOLOGY | 11 | 20 | $35,980 | $1,799 | premium | 8.5% | (540) 432-8951 |
| 54 | OKLAHOMA PAIN MANAGEMENT PLLC | OKLAHOMA CITY | OK | NURSE PRACTITIONER | 8 | 19 | $191,392 | $10,073 | premium | 5.4% | (405) 242-4100 |
| 55 | ORTHOPAEDIC ASSOCIATES OF MUSKEGON PC | MUSKEGON | MI | PHYSICIAN ASSISTANT | 84 | 19 | $540,626 | $28,454 | premium | 12.0% | (231) 733-1326 |
| 56 | ST LUKES PHYSICIAN GROUP INC | BETHLEHEM | PA | PHYSICIAN ASSISTANT | 2164 | 19 | $42,317 | $2,227 | premium | 14.5% | (484) 526-2400 |
| 57 | BAPTIST HEALTH MEDICAL GROUP INC | LOUISVILLE | KY | NURSE PRACTITIONER | 2448 | 19 | $20,881 | $1,099 | premium | 38.8% | (502) 928-1050 |
| 58 | OLYMPIA ORTHOPAEDIC ASSOCIATES PLLC | OLYMPIA | WA | PHYSICIAN ASSISTANT | 109 | 19 | $298,360 | $15,703 | premium | 13.1% | — |
| 59 | ROCKFORD PAIN CENTER LTD | ROCKFORD | IL | PAIN MANAGEMENT | 6 | 19 | $420,128 | $22,112 | premium | 10.4% | (815) 316-7300 |
| 60 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 19 | $1,106,609 | $58,243 | premium | 9.2% | (212) 263-9700 |
| 61 | CHICAGO SPINE AND JOINT, S.C. | HINSDALE | IL | INTERVENTIONAL PAIN MANAGEMENT | 7 | 19 | $892,519 | $46,975 | premium | 10.4% | (708) 482-4500 |
| 62 | NOVANT HEALTH MEDICAL GROUP, LLC | WINSTON SALEM | NC | PHYSICIAN ASSISTANT | 2389 | 19 | $26,220 | $1,380 | premium | 8.9% | (704) 384-8200 |
| 63 | CENTRAL NEW YORK BRAIN AND SPINE NEUROSURGERY PLLC | ROME | NY | PHYSICIAN ASSISTANT | 11 | 18 | $216,000 | $12,000 | premium | 8.7% | (315) 792-7629 |
| 64 | MEMORIAL NEUROSURGERY GROUP LLC | JACKSONVILLE | FL | NEUROSURGERY | 8 | 18 | $30,696 | $1,705 | premium | 1.5% | (904) 399-6069 |
| 65 | DEAN HEALTH SYSTEMS INC | MADISON | WI | PHYSICIAN ASSISTANT | 1200 | 18 | $1,121,076 | $62,282 | premium | 26.9% | (608) 260-2900 |
| 66 | MUSC COMMUNITY PHYSICIANS | ORANGEBURG | SC | NURSE PRACTITIONER | 1307 | 18 | $199,921 | $11,107 | premium | 23.4% | (803) 395-3400 |
| 67 | INDIANA SPINE GROUP, PC | CARMEL | IN | ORTHOPEDIC SURGERY | 49 | 18 | $219,204 | $12,178 | premium | 12.1% | (317) 228-7000 |
| 68 | ADVANCED PAIN MANAGEMENT SPECIALISTS LLC | ANNAPOLIS | MD | PHYSICIAN ASSISTANT | 79 | 18 | $504,080 | $28,004 | premium | 20.7% | (410) 571-2946 |
| 69 | GEORGETOWN PHYSICIAN ASSOCIATES, LLC | MURRELLS INLET | SC | FAMILY PRACTICE | 230 | 18 | $212,849 | $11,825 | premium | 23.4% | (843) 652-8450 |
| 70 | MEDICAL SCANNING CONSULTANTS PA | ST LOUIS PARK | IN | DIAGNOSTIC RADIOLOGY | 81 | 17 | $398,582 | $23,446 | premium | 11.4% | (952) 541-1840 |
| 71 | KANSAS UNIVERSITY PHYSICIANS INC | KANSAS CITY | KS | NURSE PRACTITIONER | 1815 | 17 | $20,422 | $1,201 | premium | 8.6% | (913) 588-1227 |
| 72 | PARK NICOLLET CLINIC | ST LOUIS PARK | MN | PHYSICIAN ASSISTANT | 1754 | 17 | $40,919 | $2,407 | premium | 100.0% | (952) 993-3123 |
| 73 | ADVANCED DIAGNOSTIC IMAGING PC | NASHVILLE | TN | NURSE PRACTITIONER | 534 | 17 | $469,301 | $27,606 | premium | 15.7% | (615) 612-2146 |
| 74 | BADR MEDICAL CORPORATION | GLENDALE | CA | NURSE PRACTITIONER | 5 | 17 | $211,803 | $12,459 | premium | 8.3% | (818) 827-3898 |
| 75 | NEWTON HEALTHCARE CORPORATION | NEWTON | KS | PHYSICIAN ASSISTANT | 53 | 16 | $17,600 | $1,100 | premium | 8.1% | (316) 283-2700 |
| 76 | SEQUOIA ORTHOPAEDIC AND SPINE INSTITUTE INC | Visalia | CA | ORTHOPEDIC SURGERY | 2 | 16 | $18,000 | $1,125 | premium | 7.8% | — |
| 77 | COMMONWEALTH PAIN ASSOCIATES PLLC | LOUISVILLE | IN | NURSE PRACTITIONER | 159 | 16 | $155,200 | $9,700 | premium | 10.7% | (502) 855-7200 |
| 78 | CHESAPEAKE REGIONAL MEDICAL GROUP | CHESAPEAKE | VA | NURSE PRACTITIONER | 140 | 15 | $24,390 | $1,626 | premium | 6.4% | (757) 312-6460 |
| 79 | ALTA ORTHOPAEDIC MEDICAL GROUP INC | SANTA BARBARA | CA | PHYSICIAN ASSISTANT | 22 | 15 | $180,000 | $12,000 | premium | 7.3% | (805) 963-9377 |
| 80 | LEXINGTON RADIOLOGY ASSOCIATES | WEST COLUMBIA | SC | DIAGNOSTIC RADIOLOGY | 32 | 15 | $29,430 | $1,962 | premium | 19.5% | (803) 791-2365 |
| 81 | EVANSVILLE RADIOLOGY PC | EVANSVILLE | OK | DIAGNOSTIC RADIOLOGY | 29 | 15 | $129,780 | $8,652 | premium | 4.2% | (812) 422-3254 |
| 82 | LAKE CUMBERLAND PHYSICIAN PRACTICES LLC | SOMERSET | KY | PHYSICIAN ASSISTANT | 46 | 15 | $135,000 | $9,000 | premium | 30.6% | (606) 451-8644 |
| 83 | SUMMIT MEDICAL GROUP INC | EDGEWOOD | KY | NURSE PRACTITIONER | 806 | 15 | $194,190 | $12,946 | premium | 30.6% | (859) 578-5880 |
| 84 | FACULTY PHYSICIANS AND SURGEONS OF LLUSM | LOMA LINDA | CA | DIAGNOSTIC RADIOLOGY | 1317 | 15 | $268,762 | $17,917 | premium | 7.3% | — |
| 85 | EMIL H ANNABI MD PC | TUCSON | AZ | NURSE PRACTITIONER | 10 | 15 | $221,250 | $14,750 | premium | 10.4% | (520) 399-6000 |
| 86 | VIDANT MEDICAL GROUP LLC | KENANSVILLE | MI | PHYSICIAN ASSISTANT | 956 | 15 | $19,950 | $1,330 | premium | 9.5% | (910) 296-0941 |
| 87 | ORTHOPAEDIC SURGERY AND SPORTS MED SPECIALIST OF HAMPTON RDS PC | NEWPORT NEWS | VA | PHYSICIAN ASSISTANT | 27 | 14 | $210,000 | $15,000 | premium | 6.0% | — |
| 88 | VALLEY IMAGING CONSULTANTS LLC | AURORA | IL | DIAGNOSTIC RADIOLOGY | 14 | 14 | $29,312 | $2,094 | premium | 7.7% | (630) 898-4515 |
| 89 | SOUTH SHORE RADIOLOGICAL ASSOCIATES INC | SOUTH WEYMOUTH | VA | DIAGNOSTIC RADIOLOGY | 36 | 14 | $24,500 | $1,750 | premium | 6.0% | (781) 340-8000 |
| 90 | PREMIER HEALTH SPECIALISTS INC | DAYTON | OH | PHYSICIAN ASSISTANT | 574 | 14 | $201,488 | $14,392 | premium | 6.5% | — |
| 91 | NORMAN REGIONAL PROVIDERS SPECIALTY CARE | NORMAN | OK | NURSE PRACTITIONER | 162 | 14 | $364,889 | $26,063 | premium | 3.9% | (405) 307-5700 |
| 92 | ORTHOPAEDIC SPECIALTY INSTITUTE MEDICAL GROUP OF ORANGE COUNTY | ORANGE | CA | PHYSICIAN ASSISTANT | 58 | 14 | $140,000 | $10,000 | premium | 6.8% | (714) 634-4567 |
| 93 | REGIONAL MEDICAL IMAGING PC | FLINT | MI | DIAGNOSTIC RADIOLOGY | 22 | 14 | $191,207 | $13,658 | premium | 8.9% | (810) 732-8870 |
| 94 | UNIVERSITY OF ARKANSAS FOR MEDICAL SCIENCES | LITTLE ROCK | AR | NURSE PRACTITIONER | 1241 | 14 | $221,410 | $15,815 | premium | 9.3% | (501) 686-8000 |
| 95 | SPINE AND ORTHOPEDIC CENTER OF NEW MEXICO PC | ROSWELL | NM | NURSE PRACTITIONER | 9 | 14 | $157,163 | $11,226 | premium | 100.0% | (575) 623-9101 |
| 96 | PHELPS COUNTY REGIONAL MEDICAL CENTER | ROLLA | MO | CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) | 109 | 14 | $40,110 | $2,865 | premium | 7.1% | (573) 458-8899 |
| 97 | LAHEY CLINIC INC | BURLINGTON | MA | NURSE PRACTITIONER | 1400 | 14 | $30,478 | $2,177 | premium | 6.8% | — |
| 98 | HUGHSTON CLINIC PC | COLUMBUS | GA | ORTHOPEDIC SURGERY | 118 | 14 | $250,040 | $17,860 | premium | 10.6% | (706) 494-3434 |
| 99 | NORTH SHORE RADIOLOGICAL ASSOCIATES INC | WOBURN | MA | DIAGNOSTIC RADIOLOGY | 15 | 14 | $21,938 | $1,567 | premium | 6.8% | (781) 787-3003 |
| 100 | FLORIDA JOINT AND SPINE INSTITUTE PA | SEBRING | FL | ORTHOPEDIC SURGERY | 14 | 14 | $285,938 | $20,424 | premium | 1.2% | (863) 385-2222 |
Showing the top 100 of 131 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 →