31295 — Dilation of nasal sinus using an endoscope
7,246 observed fee-for-service (49%) · ~7,577 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 | 31295 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | BRIAN G LEE MD PLLC | SCOTTSDALE | AZ | NURSE PRACTITIONER | 18 | 553 | $3,657,033 | $6,613 | premium | 52.4% | (480) 994-0308 |
| 2 | BREATHE FREE SINUS AND ALLERGY CENTERS OF FLORIDA LLC | PENSACOLA | FL | OTOLARYNGOLOGY | 3 | 362 | $2,393,935 | $6,613 | premium | 32.8% | (850) 990-9407 |
| 3 | ADVANCED EAR NOSE AND THROAT SPECIALISTS PLLC | VERNON HILLS | IL | PHYSICIAN ASSISTANT | 18 | 330 | $3,472,505 | $10,523 | premium | 47.1% | (888) 938-3838 |
| 4 | ADVANCED EAR NOSE AND THROAT SPECIALISTS, SC | MILWAUKEE | WI | PHYSICIAN ASSISTANT | 34 | 293 | $2,555,248 | $8,721 | premium | 64.7% | (888) 938-3838 |
| 5 | BRIAN G LEE MD PLLC | SCOTTSDALE | OK | NURSE PRACTITIONER | 18 | 256 | $1,692,948 | $6,613 | premium | 93.4% | (480) 994-0308 |
| 6 | VINCENT P NALBONE M D LTD | LAS VEGAS | NV | NURSE PRACTITIONER | 2 | 227 | $975,500 | $4,297 | premium | 43.7% | (702) 312-3333 |
| 7 | TRINITY ENT AND FACIAL AESTHETICS LLC | GILBERT | AZ | OTOLARYNGOLOGY | 2 | 222 | $1,468,104 | $6,613 | premium | 21.0% | (480) 558-3223 |
| 8 | MEDICAL CENTER EAR, NOSE AND THROAT ASSOCIATES OF HOUSTON, PLLC | HOUSTON | TX | OTOLARYNGOLOGY | 6 | 179 | $2,151,000 | $12,017 | premium | 12.6% | (713) 795-0111 |
| 9 | HEAD AND NECK COSMETIC SURGERY ASSOCIATES LLC | CHICAGO | IL | OTOLARYNGOLOGY | 21 | 157 | $1,255,000 | $7,994 | premium | 22.4% | (773) 296-5500 |
| 10 | ROANOKE VALLEY ENT AND ALLERGY PC | ROANOKE | VA | PHYSICIAN ASSISTANT | 5 | 156 | $909,030 | $5,827 | premium | 63.2% | (540) 968-7368 |
| 11 | ENT AND ALLERGY ASSOCIATES OF FLORIDA, LLC | BOCA RATON | FL | OTOLARYNGOLOGY | 231 | 147 | $896,550 | $6,099 | premium | 13.3% | (561) 391-3333 |
| 12 | KATHY YU-SYKEN M D INC A MEDICAL CORPORATION | HUNTINGTON BEACH | CA | PHYSICIAN ASSISTANT | 3 | 132 | $575,100 | $4,357 | premium | 7.0% | (714) 375-4224 |
| 13 | JOSEPH M CAPO MD PC | LEVITTOWN | NY | OTOLARYNGOLOGY | 13 | 115 | $1,012,346 | $8,803 | premium | 36.9% | (516) 731-6644 |
| 14 | MARTIN L. HOPP, MD PHD, A MEDICAL CORP | LOS ANGELES | CA | OTOLARYNGOLOGY | 4 | 113 | $350,100 | $3,098 | premium | 6.0% | (310) 657-7704 |
| 15 | CV ENT SURGICAL GROUP | WEST HILLS | CA | OTOLARYNGOLOGY | 3 | 96 | $768,000 | $8,000 | premium | 5.1% | (818) 888-7878 |
| 16 | SOUTHERN INDIANA ENT LLC | COLUMBUS | IN | PHYSICIAN ASSISTANT | 12 | 89 | $712,000 | $8,000 | premium | 31.4% | (812) 376-3182 |
| 17 | EAR INSTITUTES LLC | MAPLE GROVE | MN | PHYSICIAN ASSISTANT | 12 | 86 | $983,966 | $11,441 | premium | 88.7% | (888) 938-3838 |
| 18 | SINUS AND SNORING SPECIALISTS | AUSTIN | TX | PHYSICIAN ASSISTANT | 7 | 84 | $644,636 | $7,674 | premium | 5.9% | (512) 596-1424 |
| 19 | MOUNTAIN EAR NOSE AND THROAT ASSOCIATES PA | SYLVA | NC | PHYSICIAN ASSISTANT | 9 | 82 | $648,000 | $7,902 | premium | 55.4% | (828) 586-7474 |
| 20 | TEXAS EAR, NOSE AND THROAT SPECIALISTS, PLLC | HOUSTON | TX | OTOLARYNGOLOGY | 122 | 78 | $479,880 | $6,152 | premium | 5.5% | (281) 492-7827 |
| 21 | EAR, NOSE AND THROAT CONSULTANTS OF NEVADA | HENDERSON | NV | OTOLARYNGOLOGY | 15 | 77 | $392,291 | $5,095 | premium | 14.8% | (702) 792-6700 |
| 22 | ARIZONA DESERT EAR NOSE AND THROAT SPECIALIST PLLC | PHOENIX | AZ | QUALIFIED AUDIOLOGIST | 7 | 77 | $1,016,702 | $13,204 | premium | 7.3% | (623) 512-4162 |
| 23 | ENT CENTER OF NORTHWEST ALABAMA, LLC | FLORENCE | AL | NURSE PRACTITIONER | 5 | 74 | $477,984 | $6,459 | premium | 27.3% | (417) 986-6734 |
| 24 | SOUTHEAST TEXAS EAR, NOSE AND THROAT, LLP | BEAUMONT | TX | OTOLARYNGOLOGY | 14 | 72 | $786,500 | $10,924 | premium | 5.1% | (409) 212-8111 |
| 25 | MICHAEL BUBLIK MD PC | GLENDALE | CA | OTOLARYNGOLOGY | 2 | 69 | $685,000 | $9,928 | premium | 3.7% | (818) 649-1433 |
| 26 | ENT AND SINUS CENTER P C | RANCHO CUCAMONGA | CA | OTOLARYNGOLOGY | 2 | 68 | $452,398 | $6,653 | premium | 3.6% | — |
| 27 | CAPITOL BREATHE FREE SINUS AND ALLERGY CENTERS | FREDERICK | MD | OTOLARYNGOLOGY | 2 | 67 | $443,076 | $6,613 | premium | 78.8% | (805) 728-5728 |
| 28 | TRACY BYERLY II MD PA | FREDERICKSBURG | TX | PHYSICIAN ASSISTANT | 3 | 65 | $367,510 | $5,654 | premium | 4.6% | — |
| 29 | TEXAS HEALTH CARE PLLC | FORT WORTH | TX | NURSE PRACTITIONER | 364 | 63 | $531,280 | $8,433 | premium | 4.4% | (817) 920-0484 |
| 30 | REHABILITATION ASSOCIATES INC | FAIRFIELD | CT | ORTHOPEDIC SURGERY | 532 | 60 | $930,000 | $15,500 | premium | 48.0% | (203) 384-8681 |
| 31 | DESERT EAR NOSE AND THROAT MEDICAL GROUP INC | RANCHO MIRAGE | CA | OTOLARYNGOLOGY | 8 | 60 | $229,713 | $3,829 | premium | 3.2% | (760) 340-4566 |
| 32 | ESTRELLA EAR NOSE AND THROAT PC | GOODYEAR | AZ | PHYSICIAN ASSISTANT | 4 | 57 | $342,000 | $6,000 | premium | 5.4% | (623) 535-8770 |
| 33 | NATIONAL SINUS INSTITUTE PLLC | DEMING | TX | PHYSICIAN ASSISTANT | 35 | 53 | $341,774 | $6,449 | premium | 3.7% | (575) 449-8949 |
| 34 | CAPITOL BREATHE FREE SINUS AND ALLERGY CENTERS | FREDERICK | VA | OTOLARYNGOLOGY | 2 | 52 | $343,880 | $6,613 | premium | 21.1% | (805) 728-5728 |
| 35 | MIDWEST ENT CENTRE, PC | SAINT PETERS | MO | OTOLARYNGOLOGY | 12 | 51 | $398,950 | $7,823 | premium | 37.5% | (636) 441-3100 |
| 36 | CENTER FOR SLEEP AND NASAL SINUS DISORDERS, LLC | INDIANAPOLIS | IN | PHYSICIAN ASSISTANT | 9 | 48 | $455,806 | $9,496 | premium | 17.0% | (888) 938-3838 |
| 37 | PRECISION HEALTHCARE SPECIALISTS, LLC | FORT MYERS | FL | PHYSICIAN ASSISTANT | 100 | 48 | $155,594 | $3,242 | premium | 4.4% | (239) 291-6970 |
| 38 | VALLEY EAR NOSE AND THROAT ASSOCIATES PC | ATHENS | AL | OTOLARYNGOLOGY | 6 | 48 | $308,218 | $6,421 | premium | 17.7% | (256) 233-1650 |
| 39 | MODERN NOSE CLINIC LLC | SALEM | OR | PHYSICIAN ASSISTANT | 6 | 46 | $293,726 | $6,385 | premium | 74.2% | (503) 584-1174 |
| 40 | FLORIDA ENT ASSOCIATES INC | MIAMI | FL | OTOLARYNGOLOGY | 161 | 44 | $334,542 | $7,603 | premium | 4.0% | (305) 595-6200 |
| 41 | FLORIDA SINUS AND SNORING SPECIALISTS, LLC | FORT LAUDERDALE | FL | PHYSICIAN ASSISTANT | 6 | 44 | $377,800 | $8,586 | premium | 4.0% | (954) 983-1211 |
| 42 | SCRIPPS HEALTH INPATIENT PROVIDERS MEDICAL GROUP INC | SAN DIEGO | CA | INTERNAL MEDICINE | 205 | 42 | $324,087 | $7,716 | premium | 2.2% | (619) 294-8111 |
| 43 | MONTY V. TRIMBLE , MD, P.A | FORT WORTH | TX | OTOLARYNGOLOGY | 2 | 42 | $277,749 | $6,613 | premium | 3.0% | (817) 529-6200 |
| 44 | NORTHEAST ATLANTA EAR NOSE AND THROAT, P.C. | LAWRENCEVILLE | GA | OTOLARYNGOLOGY | 15 | 40 | $297,500 | $7,438 | premium | 30.1% | (770) 237-3000 |
| 45 | COASTAL EAR, NOSE AND THROAT, HEAD AND NECK SURGERY ASSOCIATES, PLLC | GULFPORT | MS | OTOLARYNGOLOGY | 9 | 40 | $400,500 | $10,012 | premium | 31.7% | (228) 539-3824 |
| 46 | EXHALE SINUS PLLC | SCHAUMBURG | IL | PHYSICIAN ASSISTANT | 6 | 39 | $189,195 | $4,851 | premium | 5.6% | (773) 234-5880 |
| 47 | EAR,NOSE AND THROAT SPECIALISTS, L.L.C. | WEST MONROE | LA | NURSE PRACTITIONER | 3 | 39 | $126,675 | $3,248 | premium | 36.4% | (318) 322-9882 |
| 48 | AMERICAN SINUS INSTITUTE PLLC | SAN ANTONIO | TX | OTOLARYNGOLOGY | 4 | 39 | $491,400 | $12,600 | premium | 2.7% | (210) 225-5666 |
| 49 | ENT AND ALLERGY ASSOCIATES LLP | YONKERS | NY | OTOLARYNGOLOGY | 429 | 39 | $521,360 | $13,368 | premium | 12.5% | (914) 963-8588 |
| 50 | TEXAS SINUS CENTER, P.A. | SAN ANTONIO | TX | OTOLARYNGOLOGY | 2 | 37 | $366,750 | $9,912 | premium | 2.6% | (210) 607-4687 |
| 51 | WEST COAST EAR, NOSE AND THROAT, INC | CLEARWATER | FL | OTOLARYNGOLOGY | 22 | 36 | $208,225 | $5,784 | premium | 3.3% | (727) 791-1368 |
| 52 | ASCENTIST PHYSICIANS GROUP LLC | LEES SUMMIT | KS | OTOLARYNGOLOGY | 104 | 35 | $109,228 | $3,121 | premium | 100.0% | (816) 478-4200 |
| 53 | VINCENT F HONRUBIA | MCALLEN | TX | OTOLARYNGOLOGY | 4 | 35 | $441,000 | $12,600 | premium | 2.5% | — |
| 54 | GEORGETOWN EAR, NOSE AND THROAT CENTER, PA | GEORGETOWN | TX | OTOLARYNGOLOGY | 2 | 35 | $203,562 | $5,816 | premium | 2.5% | (512) 869-0604 |
| 55 | CENTRAL TEXAS SINUS AND ALLERGY, PLLC | COLLEGE STATION | TX | OTOLARYNGOLOGY | 7 | 35 | $140,000 | $4,000 | premium | 2.5% | (979) 764-3090 |
| 56 | EASLEY HEAD AND NECK SURGERY PA | EASLEY | SC | OTOLARYNGOLOGY | 3 | 35 | $169,442 | $4,841 | premium | 17.4% | (864) 855-2411 |
| 57 | ACCENT HEAD AND NECK GROUP P A | LINWOOD | NJ | NURSE PRACTITIONER | 2 | 33 | $448,305 | $13,585 | premium | 22.6% | (609) 926-5556 |
| 58 | BOISE ENT LLC | BOISE | ID | OTOLARYNGOLOGY | 2 | 32 | $337,500 | $10,547 | premium | 100.0% | (208) 229-2368 |
| 59 | OPREX MEDICAL GROUP PLLC | HOUSTON | TX | OTOLARYNGOLOGY | 4 | 32 | $199,232 | $6,226 | premium | 2.3% | 2819205558306 |
| 60 | ALABAMA ENT AND ALLERGY PC | BIRMINGHAM | AL | NURSE PRACTITIONER | 7 | 32 | $135,450 | $4,233 | premium | 11.8% | (205) 982-7220 |
| 61 | BRAIN AND SPINE SURGEONS OF NEW YORK PC | WHITE PLAINS | NY | OTOLARYNGOLOGY | 21 | 31 | $428,000 | $13,806 | premium | 9.9% | (914) 948-8448 |
| 62 | CHRISTOPHER M SHAARI MD PC | HACKENSACK | NJ | OTOLARYNGOLOGY | 2 | 30 | $292,500 | $9,750 | premium | 20.5% | (201) 342-8060 |
| 63 | MICHAEL V RIESBERG MD OTOLARYNGOLOGY AND PERFORMING ARTS MEDICINE | PENSACOLA | FL | NURSE PRACTITIONER | 3 | 30 | $244,800 | $8,160 | premium | 2.7% | (850) 476-0700 |
| 64 | WESTSIDE HEAD AND NECK | CULVER CITY | CA | OTOLARYNGOLOGY | 6 | 29 | $200,000 | $6,897 | premium | 1.5% | (310) 204-4111 |
| 65 | SINUS AND ALLERGY WELLNESS CENTER OF NORTH SCOTTSDALE LLC | SCOTTSDALE | AZ | PHYSICIAN ASSISTANT | 4 | 28 | $185,166 | $6,613 | premium | 2.7% | (805) 210-5491 |
| 66 | SANTA CLARITA EAR NOSE AND THROAT MEDICAL ASSOCIATES | VALENCIA | CA | OTOLARYNGOLOGY | 8 | 28 | $376,210 | $13,436 | premium | 1.5% | (661) 259-2500 |
| 67 | MIDWEST ENT ALLIANCE PLLC | PARK RIDGE | IL | OTOLARYNGOLOGY | 95 | 28 | $131,498 | $4,696 | premium | 4.0% | (847) 674-5585 |
| 68 | RENAISSANCE MEDICAL FOUNDATION | EDINBURG | TX | DIAGNOSTIC RADIOLOGY | 174 | 28 | $326,873 | $11,674 | premium | 2.0% | — |
| 69 | TEXAS SINUS SPECIALISTS, PLLC | SPRING | TX | PHYSICIAN ASSISTANT | 3 | 28 | $174,300 | $6,225 | premium | 2.0% | 3464139313107 |
| 70 | BRYAN D FRIEDMAN DO LLC | PAYSON | AZ | OTOLARYNGOLOGY | 3 | 27 | $371,654 | $13,765 | premium | 2.6% | (480) 664-0125 |
| 71 | ENT GROUP OF LOS ANGELES | TARZANA | CA | OTOLARYNGOLOGY | 7 | 27 | $103,530 | $3,834 | premium | 1.4% | (818) 609-0600 |
| 72 | ABBAS KASHANI MD INC | MANTECA | CA | OTOLARYNGOLOGY | 2 | 25 | $134,500 | $5,380 | premium | 1.3% | (209) 239-5665 |
| 73 | BERNARD J DURANTE MD PC | PLYMOUTH | MA | PHYSICIAN ASSISTANT | 16 | 25 | $216,300 | $8,652 | premium | 100.0% | (508) 746-8977 |
| 74 | OHI WEST MEDICAL GROUP II LLC | ZEPHYRHILLS | FL | NURSE PRACTITIONER | 417 | 25 | $176,392 | $7,056 | premium | 2.3% | (813) 751-3375 |
| 75 | EAR NOSE AND THROAT ASSOCIATES OF LUBBOCK PA | LUBBOCK | TX | OTOLARYNGOLOGY | 2 | 24 | $192,000 | $8,000 | premium | 1.7% | (806) 791-0188 |
| 76 | BRIAN H WEEKS MD INC | SAN DIEGO | CA | PHYSICIAN ASSISTANT | 4 | 24 | $108,096 | $4,504 | premium | 1.3% | (619) 810-1202 |
| 77 | EAR,NOSE AND THROAT SURGICAL CLINIC OF SOUTH CENTRAL MS | LAUREL | MS | OTOLARYNGOLOGY | 6 | 24 | $141,142 | $5,881 | premium | 19.0% | (601) 649-9706 |
| 78 | FLORENCE EARS NOSE AND THROAT PC | FLORENCE | SC | OTOLARYNGOLOGY | 4 | 24 | $103,219 | $4,301 | premium | 11.9% | (843) 665-2900 |
| 79 | IMPERIAL HEALTH LLP | LAKE CHARLES | LA | NURSE PRACTITIONER | 75 | 23 | $468,329 | $20,362 | premium | 21.5% | (337) 436-1370 |
| 80 | TRI COUNTY EAR NOSE AND THROAT PC | HONESDALE | PA | OTOLARYNGOLOGY | 3 | 23 | $161,000 | $7,000 | premium | 44.2% | (570) 491-1525 |
| 81 | CHESAPEAKE BAY ENT PC | BELLE HAVEN | VA | PHYSICIAN ASSISTANT | 9 | 23 | $195,672 | $8,507 | premium | 9.3% | (757) 442-7040 |
| 82 | EAR NOSE AND THROAT CONSULTANTS OF NORTH MISSISSIPPI PLLC | OXFORD | MS | QUALIFIED AUDIOLOGIST | 10 | 22 | $172,000 | $7,818 | premium | 17.5% | (662) 234-1337 |
| 83 | NORTH DALLAS OTOLARYNGOLOGY CONSULTANTS | DALLAS | TX | OTOLARYNGOLOGY | 6 | 22 | $165,060 | $7,503 | premium | 1.5% | (214) 382-5100 |
| 84 | PEORIA EAR NOSE AND THROAT GROUP SC | PEORIA | WI | QUALIFIED AUDIOLOGIST | 17 | 21 | $265,839 | $12,659 | premium | 4.6% | (309) 589-5900 |
| 85 | ATLANTIC ENT ASSOCIATES PA | TOMS RIVER | NJ | OTOLARYNGOLOGY | 2 | 21 | $161,500 | $7,690 | premium | 14.4% | (762) 557-4480 |
| 86 | COASTAL CAROLINA ENT DO PA | WHITEVILLE | NC | OTOLARYNGOLOGY | 6 | 20 | $153,440 | $7,672 | premium | 13.5% | (910) 914-0540 |
| 87 | NEW YORK EAR NOSE AND THROAT INSTITUTE PLLC | HALLANDALE BEACH | NY | OTOLARYNGOLOGY | 2 | 20 | $149,610 | $7,480 | premium | 6.4% | (754) 400-5959 |
| 88 | SURGICAL ASSOCIATES NORTHWEST PC | FEDERAL WAY | WA | UROLOGY | 11 | 20 | $144,000 | $7,200 | premium | 100.0% | (253) 927-1882 |
| 89 | THOMAS F. NEAL, M.D., STAN E. POTOCKI, M.D., PROFESSIONAL ASSOCIATION | LUBBOCK | TX | OTOLARYNGOLOGY | 2 | 20 | $68,715 | $3,436 | premium | 1.4% | (806) 792-5331 |
| 90 | RADIAL WOUND PLLC | CHICAGO | WI | NURSE PRACTITIONER | 7 | 19 | $34,200 | $1,800 | premium | 4.2% | (872) 321-3162 |
| 91 | PROGRESSIVE REHABILITATION ASSOCIATES LLC | IOWA CITY | IA | ORTHOPEDIC SURGERY | 272 | 19 | $198,000 | $10,421 | premium | 41.3% | (319) 354-2429 |
| 92 | GOLDBERG AND PELLEGRINI, MD, P.C. | BROOKLYN | NY | INTERNAL MEDICINE | 7 | 19 | $187,200 | $9,853 | premium | 6.1% | (718) 748-5482 |
| 93 | MIDWEST EXPRESS CARE 2, INC | WILLOWBROOK | IL | NURSE PRACTITIONER | 213 | 19 | $32,400 | $1,705 | premium | 2.7% | (630) 581-5372 |
| 94 | ANNAPOLIS ENT SURGICAL CENTER LLC | ANNAPOLIS | MD | QUALIFIED AUDIOLOGIST | 45 | 18 | $152,830 | $8,491 | premium | 21.2% | (410) 266-3900 |
| 95 | CORNERSTONE EAR NOSE AND THROAT PA | INDIAN LAND | NC | OTOLARYNGOLOGY | 9 | 18 | $99,561 | $5,531 | premium | 12.2% | (704) 752-7575 |
| 96 | WOOSTER ENT ASSOCIATES INC | MILLERSBURG | OH | OTOLARYNGOLOGY | 6 | 18 | $112,176 | $6,232 | premium | 33.3% | (330) 264-9699 |
| 97 | GILLUM FACIAL PLASTIC SURGERY PC | MARION | IN | NURSE PRACTITIONER | 2 | 18 | $94,500 | $5,250 | premium | 6.4% | (765) 651-4278 |
| 98 | UROLOGY ASSOCIATES OF GREEN BAY SC | MARINETTE | WI | UROLOGY | 12 | 18 | $32,400 | $1,800 | premium | 4.0% | (920) 433-9400 |
| 99 | TRIANGLE SINUS CENTER PLLC | RALEIGH | NC | OTOLARYNGOLOGY | 6 | 17 | $110,562 | $6,504 | premium | 11.5% | (919) 766-8989 |
| 100 | PREMIER HEALTH MANAGEMENT INC | MOBILE | AL | OTOLARYNGOLOGY | 55 | 17 | $68,000 | $4,000 | premium | 6.3% | (251) 473-1900 |
Showing the top 100 of 142 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 →