22612 — Fusion of spine in lower back
26,849 observed fee-for-service (50%) · ~26,942 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 | 22612 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | ORTHOLONESTAR PLLC | DALLAS | TX | PHYSICIAN ASSISTANT | 407 | 514 | $1,598,219 | $3,109 | premium | 11.2% | (214) 220-2468 |
| 2 | ARLINGTON NEUROSURGEONS, PLLC | PLANO | TX | PHYSICIAN ASSISTANT | 46 | 446 | $2,258,636 | $5,064 | premium | 9.7% | (972) 596-6800 |
| 3 | ORTHOPAEDIC SPECIALTY INSTITUTE MEDICAL GROUP OF ORANGE COUNTY | ORANGE | CA | PHYSICIAN ASSISTANT | 58 | 414 | $1,144,830 | $2,765 | premium | 8.5% | (714) 634-4567 |
| 4 | ABAY NEUROSCIENCE CENTER LLC | WICHITA | KS | NURSE PRACTITIONER | 16 | 395 | $1,914,255 | $4,846 | premium | 39.0% | (316) 609-2600 |
| 5 | UCSF MEDICAL GROUP BUSINESS SERVICES | SAN FRANCISCO | CA | DIAGNOSTIC RADIOLOGY | 1548 | 362 | $3,057,125 | $8,445 | premium | 7.5% | (415) 476-1000 |
| 6 | SCRIPPS HEALTH | LA JOLLA | CA | PHYSICIAN ASSISTANT | 1431 | 289 | $1,381,009 | $4,779 | premium | 6.0% | (858) 455-9100 |
| 7 | SAINT THOMAS MEDICAL PARTNERS | NASHVILLE | TN | NURSE PRACTITIONER | 591 | 258 | $992,016 | $3,845 | premium | 18.6% | (615) 269-4545 |
| 8 | ORTHOPEDIC ONE, INC. | UPPER ARLINGTON | OH | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 280 | 250 | $747,163 | $2,989 | premium | 13.2% | (614) 827-8700 |
| 9 | HEALTH FIRST MEDICAL GROUP, LLC | MELBOURNE | FL | NURSE PRACTITIONER | 669 | 249 | $524,831 | $2,108 | premium | 7.2% | (321) 434-8878 |
| 10 | ORTHOVIRGINIA INC | NORTH CHESTERFIELD | VA | PHYSICIAN ASSISTANT | 567 | 245 | $1,224,557 | $4,998 | premium | 19.8% | — |
| 11 | STANFORD HEALTH CARE | STANFORD | CA | DIAGNOSTIC RADIOLOGY | 3039 | 243 | $2,003,049 | $8,243 | premium | 5.0% | (650) 723-4000 |
| 12 | HH HEALTH SYSTEM - THE ORTHOPAEDIC CENTER LLC | HUNTSVILLE | AL | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 175 | 234 | $1,774,390 | $7,583 | premium | 24.9% | (256) 539-2728 |
| 13 | MEDHEALTH | DALLAS | TX | PHYSICIAN ASSISTANT | 430 | 233 | $958,440 | $4,113 | premium | 5.1% | (214) 599-8624 |
| 14 | DELAWARE NEUROSURGICAL GROUP, PA | NEWARK | DE | PHYSICIAN ASSISTANT | 24 | 233 | $1,503,682 | $6,454 | premium | 26.8% | (302) 366-7671 |
| 15 | HUNTSMAN WEST SPINE LLC | ST GEORGE | UT | NURSE PRACTITIONER | 7 | 209 | $477,831 | $2,286 | premium | 30.4% | (435) 652-6024 |
| 16 | COLUMBIA ORTHOPAEDIC GROUP LLP | COLUMBIA | MO | ORTHOPEDIC SURGERY | 91 | 182 | $572,236 | $3,144 | premium | 26.7% | (573) 443-2402 |
| 17 | NEUROSURGICAL ASSOCIATES LTD | PHOENIX | AZ | NEUROSURGERY | 74 | 181 | $909,741 | $5,026 | premium | 17.0% | (602) 406-3181 |
| 18 | TOWN CENTER ORTHOPAEDIC ASSOCIATES P C | RESTON | VA | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 56 | 178 | $657,500 | $3,694 | premium | 14.4% | (703) 435-6604 |
| 19 | DUPAGE MEDICAL GROUP LTD | GLEN ELLYN | IL | PHYSICIAN ASSISTANT | 1323 | 176 | $1,232,944 | $7,005 | premium | 20.4% | (630) 469-9200 |
| 20 | INDIANA SPINE GROUP, PC | CARMEL | IN | ORTHOPEDIC SURGERY | 49 | 172 | $1,395,484 | $8,113 | premium | 18.6% | (317) 228-7000 |
| 21 | HUGHSTON CLINIC PC | COLUMBUS | GA | ORTHOPEDIC SURGERY | 118 | 170 | $1,682,370 | $9,896 | premium | 12.6% | (706) 494-3434 |
| 22 | SCOTT AND WHITE CLINIC | TEMPLE | TX | PHYSICIAN ASSISTANT | 2435 | 168 | $754,082 | $4,489 | premium | 3.7% | (254) 724-2663 |
| 23 | NORTH IDAHO DAY SURGERY LLC | POST FALLS | ID | PHYSICIAN ASSISTANT | 87 | 168 | $610,372 | $3,633 | premium | 30.5% | — |
| 24 | BRIGHAM AND WOMENS PHYSICIANS ORGANIZATION INC | BOSTON | MA | PHYSICIAN ASSISTANT | 2942 | 165 | $1,134,197 | $6,874 | premium | 19.7% | (617) 732-5500 |
| 25 | TEXAS HEALTH PHYSICIANS GROUP | FORT WORTH | TX | PHYSICIAN ASSISTANT | 1350 | 160 | $802,880 | $5,018 | premium | 3.5% | (817) 281-2977 |
| 26 | SPINE INSTITUTE OF LOUISIANA LLC | SHREVEPORT | LA | NURSE PRACTITIONER | 13 | 152 | $941,760 | $6,196 | premium | 17.8% | (318) 629-5560 |
| 27 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 150 | $3,795,745 | $25,305 | premium | 13.4% | (212) 263-9700 |
| 28 | ORTHONJ LLC | MANASQUAN | NJ | PHYSICIAN ASSISTANT | 300 | 149 | $3,195,200 | $21,444 | premium | 15.5% | (732) 974-0404 |
| 29 | ADVANCED ORTHOPEDICS OF OKLAHOMA PLLC | TULSA | OK | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 89 | 144 | $578,061 | $4,014 | premium | 12.6% | (918) 494-2665 |
| 30 | TEXAS SPINE CONSULTANTS, LLP | ADDISON | TX | ORTHOPEDIC SURGERY | 13 | 144 | $1,080,000 | $7,500 | premium | 3.1% | (214) 370-3535 |
| 31 | DIAGNOSTIC AND INTERVENTIONAL SPINAL CARE OF LOUISIANA | COVINGTON | LA | PHYSICIAN ASSISTANT | 10 | 143 | $1,118,000 | $7,818 | premium | 16.7% | — |
| 32 | MAYFIELD CLINIC INC | CINCINNATI | OH | PHYSICIAN ASSISTANT | 77 | 138 | $509,292 | $3,691 | premium | 7.3% | (513) 221-1100 |
| 33 | ERIK C SPAYDE MD INC | THOUSAND OAKS | CA | PHYSICIAN ASSISTANT | 4 | 136 | $516,530 | $3,798 | premium | 2.8% | 8053792322119 |
| 34 | DESERT ORTHOPEDIC CENTER A MEDICAL GROUP INC | RANCHO MIRAGE | CA | PHYSICIAN ASSISTANT | 50 | 130 | $477,435 | $3,673 | premium | 2.7% | (760) 340-3911 |
| 35 | GULFCOAST SPINE INSTITUTE, LLC | TAMPA | FL | ORTHOPEDIC SURGERY | 9 | 129 | $2,262,870 | $17,542 | premium | 3.7% | (813) 443-2108 |
| 36 | ORTHOSC LLC | MYRTLE BEACH | SC | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 113 | 127 | $307,077 | $2,418 | premium | 13.2% | (843) 491-4937 |
| 37 | IOWA ORTHOPAEDIC CENTER PC | DES MOINES | IA | PHYSICIAN ASSISTANT | 69 | 127 | $319,275 | $2,514 | premium | 13.9% | (515) 247-8400 |
| 38 | BEACON ORTHOPAEDICS AND SPORTS MEDICINE LTD | CINCINNATI | OH | PHYSICIAN ASSISTANT | 468 | 127 | $246,620 | $1,942 | premium | 6.7% | (513) 354-3700 |
| 39 | REGIONAL ORTHOPAEDIC ASSOCIATES PA | WILMINGTON | DE | PHYSICIAN ASSISTANT | 59 | 124 | $997,060 | $8,041 | premium | 14.2% | (302) 655-9494 |
| 40 | ORTHOPEDIC SPECIALISTS OF NORTH AMERICA PLLC | SCOTTSDALE | AZ | ORTHOPEDIC SURGERY | 308 | 123 | $594,046 | $4,830 | premium | 11.6% | (602) 385-2115 |
| 41 | ORTHOPAEDICS-INDIANAPOLIS, INC | INDIANAPOLIS | IN | ORTHOPEDIC SURGERY | 348 | 120 | $561,038 | $4,675 | premium | 13.0% | (317) 802-2000 |
| 42 | CEDARS-SINAI MEDICAL CARE FOUNDATION | LOS ANGELES | CA | PHYSICIAN ASSISTANT | 1699 | 118 | $631,042 | $5,348 | premium | 2.4% | (310) 423-0674 |
| 43 | KANSAS UNIVERSITY PHYSICIANS INC | KANSAS CITY | KS | NURSE PRACTITIONER | 1815 | 117 | $431,433 | $3,687 | premium | 11.6% | (913) 588-1227 |
| 44 | SOUTH FLORIDA ORTHOPAEDICS AND SPORTS MEDICINE, PA | STUART | FL | PHYSICIAN ASSISTANT | 71 | 117 | $3,124,046 | $26,701 | premium | 3.4% | — |
| 45 | NORTH IOWA MERCY CLINICS | MASON CITY | IA | NURSE PRACTITIONER | 316 | 116 | $458,324 | $3,951 | premium | 12.7% | — |
| 46 | NEUROSCIENCE SPECIALISTS PC | OKLAHOMA CITY | OK | NEUROSURGERY | 16 | 115 | $483,031 | $4,200 | premium | 10.0% | (405) 748-3300 |
| 47 | VIRGINIA SPINE SPECIALISTS PLLC | MANASSAS | VA | PHYSICIAN ASSISTANT | 4 | 115 | $453,381 | $3,942 | premium | 9.3% | (571) 921-4877 |
| 48 | UNIVERSITY ORTHOPEDICS INC | PROVIDENCE | RI | ORTHOPEDIC SURGERY | 180 | 114 | $1,417,500 | $12,434 | premium | 69.5% | (401) 457-1500 |
| 49 | MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC | BOSTON | MA | DIAGNOSTIC RADIOLOGY | 3532 | 114 | $702,487 | $6,162 | premium | 13.6% | (617) 724-0287 |
| 50 | LOUISIANA ORTHOPAEDIC SPECIALISTS LLC | LAFAYETTE | LA | PHYSICIAN ASSISTANT | 68 | 114 | $1,058,577 | $9,286 | premium | 13.3% | (337) 235-8007 |
| 51 | ROPER SAINT FRANCIS PHYSICIANS NETWORK | CHARLESTON | SC | PHYSICIAN ASSISTANT | 539 | 113 | $513,359 | $4,543 | premium | 11.7% | (843) 720-8448 |
| 52 | MCBRIDE CLINIC ORTHOPEDIC HOSPITAL, LLC | OKLAHOMA CITY | OK | PHYSICIAN ASSISTANT | 103 | 113 | $287,066 | $2,540 | premium | 9.9% | (405) 604-6000 |
| 53 | CENTER FOR ORTHOPEDIC RESEARCH AND EDUCATION LLC | SUN CITY | AZ | PHYSICIAN ASSISTANT | 254 | 112 | $301,170 | $2,689 | premium | 10.5% | (866) 974-2673 |
| 54 | GABRIELE JASPER MD, INC | BRICK | NJ | ANESTHESIOLOGY | 5 | 109 | $1,010,000 | $9,266 | premium | 11.3% | (732) 262-0700 |
| 55 | ORTHOCAROLINA | CHARLOTTE | NC | PHYSICIAN ASSISTANT | 304 | 109 | $555,055 | $5,092 | premium | 7.8% | (704) 323-2100 |
| 56 | DUKE HEALTH INTEGRATED PRACTICE INC | DURHAM | NC | PHYSICIAN ASSISTANT | 3051 | 107 | $283,763 | $2,652 | premium | 7.7% | (919) 684-8111 |
| 57 | SPINE DFW PA | IRVING | TX | ORTHOPEDIC SURGERY | 5 | 105 | $409,587 | $3,901 | premium | 2.3% | (972) 987-0969 |
| 58 | SPORTSMED ORTHOPAEDIC SPECIALISTS | HUNTSVILLE | AL | PHYSICIAN ASSISTANT | 86 | 104 | $474,108 | $4,559 | premium | 11.1% | — |
| 59 | SAINTS MEDICAL GROUP, LLC | OKLAHOMA CITY | OK | PHYSICIAN ASSISTANT | 435 | 104 | $346,840 | $3,335 | premium | 9.1% | — |
| 60 | MOUNTAIN ORTHOPAEDICS LLC | BOUNTIFUL | UT | PHYSICIAN ASSISTANT | 27 | 103 | $250,516 | $2,432 | premium | 15.0% | (801) 295-7200 |
| 61 | ST. DAVID'S ORTHO NEURO AND REHAB PLLC | AUSTIN | TX | PHYSICIAN ASSISTANT | 61 | 103 | $522,244 | $5,070 | premium | 2.2% | (512) 816-8611 |
| 62 | DESERT INSTITUTE FOR SPINE CARE PC | PHOENIX | AZ | PHYSICIAN ASSISTANT | 12 | 103 | $812,448 | $7,888 | premium | 9.7% | (602) 944-2900 |
| 63 | NORTH FLORIDA SURGEONS PA | JACKSONVILLE | FL | PHYSICIAN ASSISTANT | 331 | 101 | $441,552 | $4,372 | premium | 2.9% | (904) 396-1725 |
| 64 | SSM REGIONAL HEALTH SERVICES | JEFFERSON CITY | MO | NURSE PRACTITIONER | 160 | 98 | $147,980 | $1,510 | premium | 14.4% | (573) 681-3249 |
| 65 | MICHIGAN ORTHOPAEDIC SPINE SURGEONS PC | ROCHESTER HILLS | MI | PHYSICIAN ASSISTANT | 16 | 98 | $184,000 | $1,878 | premium | 12.6% | (248) 215-8080 |
| 66 | LYERLY BAPTIST INC | JACKSONVILLE | FL | NURSE PRACTITIONER | 68 | 97 | $188,035 | $1,939 | premium | 2.8% | (904) 388-6518 |
| 67 | SOUTH TEXAS SPINAL CLINIC, P.A. | SAN ANTONIO | TX | ORTHOPEDIC SURGERY | 24 | 97 | $623,961 | $6,433 | premium | 2.1% | (210) 614-6432 |
| 68 | JAMES J LYNCH MD LTD | CARSON CITY | NV | PHYSICIAN ASSISTANT | 84 | 96 | $1,868,037 | $19,459 | premium | 20.3% | (775) 783-6190 |
| 69 | STEADMAN CLINIC PROFESSIONAL LLC | VAIL | CO | PHYSICIAN ASSISTANT | 77 | 96 | $1,387,966 | $14,458 | premium | 12.1% | (970) 476-1100 |
| 70 | ALLINA HEALTH SYSTEM | MINNEAPOLIS | MN | PHYSICIAN ASSISTANT | 3855 | 96 | $493,457 | $5,140 | premium | 17.6% | (612) 863-4000 |
| 71 | PORTERCARE ADVENTIST HEALTH SYSTEM | DENVER | CO | PHYSICIAN ASSISTANT | 748 | 96 | $348,789 | $3,633 | premium | 12.1% | (303) 778-5797 |
| 72 | GOLDEN STATE ORTHOPEDICS AND SPINE | WALNUT CREEK | CA | ORTHOPEDIC SURGERY | 190 | 94 | $425,870 | $4,531 | premium | 1.9% | (925) 939-8585 |
| 73 | ORTHOWEST | IRVINE | CA | ORTHOPEDIC SURGERY | 47 | 94 | $462,694 | $4,922 | premium | 1.9% | (949) 586-3200 |
| 74 | ATLANTIC BRAIN AND SPINE, P.A. | WILMINGTON | NC | PHYSICIAN ASSISTANT | 20 | 94 | $273,903 | $2,914 | premium | 6.8% | (910) 763-3333 |
| 75 | MCFARLAND CLINIC PC | AMES | IA | PHYSICIAN ASSISTANT | 352 | 92 | $246,108 | $2,675 | premium | 10.1% | (515) 239-4400 |
| 76 | MEDSTAR MEDICAL GROUP II LLC | WASHINGTON | MD | PHYSICIAN ASSISTANT | 3707 | 92 | $342,088 | $3,718 | premium | 5.6% | (202) 429-2401 |
| 77 | REGENTS OF THE UNIVERSITY OF CALIFORNIA | ORANGE | CA | ORTHOPEDIC SURGERY | 47 | 91 | $468,523 | $5,149 | premium | 1.9% | (714) 456-7004 |
| 78 | AP OF NASHVILLE, LLC | NASHVILLE | TN | PHYSICIAN ASSISTANT | 18 | 90 | $153,320 | $1,704 | premium | 6.5% | (615) 222-2111 |
| 79 | FIRST STATE ORTHOPAEDICS PA | NEWARK | DE | PHYSICIAN ASSISTANT | 98 | 90 | $606,576 | $6,740 | premium | 10.3% | (302) 731-2888 |
| 80 | SPINE SURGERY ASSOCIATES PLLC | OKLAHOMA CITY | OK | NURSE PRACTITIONER | 5 | 90 | $198,720 | $2,208 | premium | 7.9% | (405) 242-4345 |
| 81 | PROMEDICA CENTRAL PHYSICIANS | TOLEDO | OH | PHYSICIAN ASSISTANT | 794 | 90 | $343,635 | $3,818 | premium | 4.7% | (419) 291-2003 |
| 82 | DAVID BARNETT, MD PA | ADDISON | TX | PHYSICIAN ASSISTANT | 2 | 89 | $603,970 | $6,786 | premium | 1.9% | (913) 387-0511 |
| 83 | IHC HEALTH SERVICES INC | MURRAY | UT | PHYSICIAN ASSISTANT | 3944 | 88 | $249,457 | $2,835 | premium | 12.8% | (801) 261-8346 |
| 84 | THE ORTHOPAEDIC GROUP PC | MOBILE | AL | ORTHOPEDIC SURGERY | 69 | 87 | $410,550 | $4,719 | premium | 9.3% | (251) 476-5050 |
| 85 | DES MOINES ORTHOPAEDIC SURGEONS PC | WEST DES MOINES | IA | PHYSICIAN ASSISTANT | 104 | 87 | $283,931 | $3,264 | premium | 9.5% | (515) 343-1000 |
| 86 | CRYSTAL CLINIC, INC. | CUYAHOGA FALLS | OH | PHYSICIAN ASSISTANT | 45 | 86 | $393,854 | $4,580 | premium | 4.5% | (330) 929-9136 |
| 87 | IU HEALTH MEDICAL GROUP, LLC | INDIANAPOLIS | IN | NURSE PRACTITIONER | 4250 | 85 | $216,632 | $2,549 | premium | 9.2% | (888) 484-3258 |
| 88 | DIGNITY HEALTH MEDICAL FOUNDATION | FOLSOM | CA | DIAGNOSTIC RADIOLOGY | 1197 | 84 | $426,279 | $5,075 | premium | 1.7% | (916) 983-7476 |
| 89 | DLP WESTERN CAROLINA PHYSICIAN PRACTICES LLC | CLYDE | NC | DIAGNOSTIC RADIOLOGY | 185 | 83 | $181,042 | $2,181 | premium | 6.0% | (828) 452-8651 |
| 90 | UNIVERSITY OF UTAH SURGICAL SERVICES | SALT LAKE CITY | UT | PHYSICIAN ASSISTANT | 45 | 83 | $600,818 | $7,239 | premium | 12.1% | (801) 585-7575 |
| 91 | LUMINIS HEALTH MEDICAL GROUP, LLC | ANNAPOLIS | MD | PHYSICIAN ASSISTANT | 544 | 83 | $214,902 | $2,589 | premium | 5.0% | (443) 481-1000 |
| 92 | TMI SPORTS MEDICINE AND ORTHOPEDIC SURGERY PA | ARLINGTON | TX | PHYSICIAN ASSISTANT | 19 | 82 | $180,043 | $2,196 | premium | 1.8% | (817) 419-0303 |
| 93 | NOVANT HEALTH SOUTHEASTERN SPINE INSTITUTE LLC | MT PLEASANT | SC | PHYSICIAN ASSISTANT | 29 | 81 | $201,961 | $2,493 | premium | 8.4% | — |
| 94 | SWEDISH HEALTH SERVICES | SEATTLE | WA | PHYSICIAN ASSISTANT | 1033 | 81 | $241,615 | $2,983 | premium | 11.8% | — |
| 95 | ORTHOPAEDIC INSTITUTE OF OHIO, INC | LIMA | OH | PHYSICIAN ASSISTANT | 75 | 80 | $296,964 | $3,712 | premium | 4.2% | (419) 222-6622 |
| 96 | KENNEDY WHITE AND RIGGS ORTHOPEDIC ASSOCIATES | SARASOTA | FL | PHYSICIAN ASSISTANT | 40 | 80 | $163,095 | $2,039 | premium | 2.3% | (941) 365-0655 |
| 97 | KADLEC REGIONAL MEDICAL CENTER | RICHLAND | WA | PHYSICIAN ASSISTANT | 382 | 79 | $271,286 | $3,434 | premium | 11.5% | (509) 946-4611 |
| 98 | ADVANCED DIAGNOSTIC IMAGING PC | NASHVILLE | TN | NURSE PRACTITIONER | 534 | 79 | $417,709 | $5,287 | premium | 5.7% | (615) 612-2146 |
| 99 | UNIVERSITY OF PENN - MEDICAL GROUP | PHILADELPHIA | PA | PHYSICIAN ASSISTANT | 3505 | 79 | $431,851 | $5,466 | premium | 4.9% | (215) 662-2777 |
| 100 | AHS OKLAHOMA PHYSICIAN GROUP LLC | TULSA | OK | FAMILY PRACTICE | 308 | 77 | $244,000 | $3,169 | premium | 6.7% | — |
Showing the top 100 of 536 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 →