1,256,284 observed fee-for-service (50%) · ~1,271,045 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; 4 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 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 | 73630 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 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 8,680 | $1,058,501 | $122 | premium | 4.0% | (916) 681-8852 |
| 2 | BAY AREA FOOT CARE INC | SAN FRANCISCO | CA | PODIATRY | 125 | 6,759 | $900,683 | $133 | premium | 3.1% | (415) 759-2014 |
| 3 | ILLINOIS BONE AND JOINT INSTITUTE, LLC | BANNOCKBURN | IL | ORTHOPEDIC SURGERY | 595 | 6,403 | $876,494 | $137 | premium | 5.7% | — |
| 4 | SCRIPPS HEALTH | LA JOLLA | CA | PHYSICIAN ASSISTANT | 1431 | 6,015 | $1,091,147 | $181 | premium | 2.8% | (858) 455-9100 |
| 5 | RADIOLOGY ASSOCIATES OF NORTH TEXAS PA | FORT WORTH | TX | DIAGNOSTIC RADIOLOGY | 340 | 5,534 | $185,443 | $34 | premium | 3.4% | (817) 321-0470 |
| 6 | SCOTT AND WHITE CLINIC | TEMPLE | TX | PHYSICIAN ASSISTANT | 2435 | 5,499 | $340,138 | $62 | premium | 3.4% | (254) 724-2663 |
| 7 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 5,422 | $887,122 | $164 | premium | 2.5% | (415) 600-1020 |
| 8 | INTERVENTIONAL PARTNERS PLLC | FRISCO | TX | PODIATRY | 93 | 5,081 | $436,599 | $86 | premium | 3.2% | (972) 712-4161 |
| 9 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 4,987 | $562,866 | $113 | premium | 3.8% | (212) 263-9700 |
| 10 | ANKLE AND FOOT CENTERS OF GEORGIA, LLC | PEACHTREE CITY | GA | PODIATRY | 52 | 4,872 | $452,157 | $93 | premium | 7.1% | — |
| 11 | FOOT AND ANKLE SPECIALISTS OF THE MID-ATLANTIC LLC | KENSINGTON | VA | PODIATRY | 157 | 4,797 | $380,050 | $79 | premium | 6.5% | (301) 949-2000 |
| 12 | SUMMIT MEDICAL GROUP PA | BERKELEY HEIGHTS | NJ | PHYSICIAN ASSISTANT | 1183 | 4,755 | $453,294 | $95 | premium | 6.7% | (908) 273-4300 |
| 13 | MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC | BOSTON | MA | DIAGNOSTIC RADIOLOGY | 3532 | 4,744 | $386,375 | $81 | premium | 7.3% | (617) 724-0287 |
| 14 | EMERGEORTHO PA | DURHAM | NC | PHYSICIAN ASSISTANT | 725 | 4,720 | $443,343 | $94 | premium | 6.4% | (919) 544-7270 |
| 15 | PRISMA HEALTH UNIVERSITY MEDICAL GROUP | GREENVILLE | SC | NURSE PRACTITIONER | 2447 | 4,488 | $266,473 | $59 | premium | 10.3% | — |
| 16 | WEIL FOOT AND ANKLE INSTITUTE LLC | MOUNT PROSPECT | IL | PODIATRY | 55 | 4,468 | $398,718 | $89 | premium | 4.0% | 84739076666205 |
| 17 | MAYO CLINIC | ROCHESTER | MN | NURSE PRACTITIONER | 4896 | 4,417 | $734,317 | $166 | premium | 9.1% | (507) 284-2511 |
| 18 | ORTHOPEDIC SPECIALISTS OF NORTH AMERICA PLLC | SCOTTSDALE | AZ | ORTHOPEDIC SURGERY | 308 | 4,301 | $399,993 | $93 | premium | 6.8% | (602) 385-2115 |
| 19 | ADVANCED RADIOLOGY P A | BALTIMORE | MD | DIAGNOSTIC RADIOLOGY | 161 | 4,232 | $332,302 | $79 | premium | 6.0% | (888) 972-9700 |
| 20 | FOOT AND ANKLE SPECIALISTS OF THE MID-ATLANTIC LLC | KENSINGTON | NC | PODIATRY | 157 | 4,071 | $291,978 | $72 | premium | 5.5% | (301) 949-2000 |
| 21 | FOOT AND ANKLE SPECIALISTS OF THE MID-ATLANTIC LLC | KENSINGTON | MD | PODIATRY | 157 | 3,765 | $305,091 | $81 | premium | 5.3% | (301) 949-2000 |
| 22 | DIGNITY HEALTH MEDICAL FOUNDATION | FOLSOM | CA | DIAGNOSTIC RADIOLOGY | 1197 | 3,672 | $328,756 | $90 | premium | 1.7% | (916) 983-7476 |
| 23 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 3,567 | $262,987 | $74 | premium | 3.2% | — |
| 24 | PODIATRY ASSOCIATES OF INDIANA PC | INDIANAPOLIS | IN | PODIATRY | 17 | 3,480 | $232,130 | $67 | premium | 6.8% | (317) 297-0661 |
| 25 | ORTHONJ LLC | MANASQUAN | NJ | PHYSICIAN ASSISTANT | 300 | 3,471 | $531,638 | $153 | premium | 4.9% | (732) 974-0404 |
| 26 | TALLAHASSEE ORTHOPEDIC CLINIC III PL | TALLAHASSEE | FL | PHYSICIAN ASSISTANT | 542 | 3,373 | $594,081 | $176 | premium | 1.7% | (850) 877-8174 |
| 27 | ADVANCED RADIOLOGY SERVICES PC | GRAND RAPIDS | MI | DIAGNOSTIC RADIOLOGY | 249 | 3,372 | $113,970 | $34 | premium | 5.0% | (616) 363-7272 |
| 28 | ORTHOVIRGINIA INC | NORTH CHESTERFIELD | VA | PHYSICIAN ASSISTANT | 567 | 3,340 | $353,353 | $106 | premium | 4.5% | — |
| 29 | CEDARS-SINAI MEDICAL CARE FOUNDATION | LOS ANGELES | CA | PHYSICIAN ASSISTANT | 1699 | 3,220 | $413,233 | $128 | premium | 1.5% | (310) 423-0674 |
| 30 | CAMPBELL CLINIC, PC | GERMANTOWN | TN | ORTHOPEDIC SURGERY | 225 | 3,156 | $402,188 | $127 | premium | 5.4% | (901) 759-3100 |
| 31 | ORTHOSC LLC | MYRTLE BEACH | SC | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 113 | 3,146 | $231,232 | $74 | premium | 7.2% | (843) 491-4937 |
| 32 | ORTHOLONESTAR PLLC | DALLAS | TX | PHYSICIAN ASSISTANT | 407 | 3,133 | $313,427 | $100 | premium | 1.9% | (214) 220-2468 |
| 33 | NORTHSTATE FOOT AND ANKLE SPECIALIST INC | CHICO | CA | PODIATRY | 7 | 3,000 | $212,037 | $71 | premium | 1.4% | (530) 891-3338 |
| 34 | LEXINGTON HEALTH INC | WEST COLUMBIA | SC | NURSE PRACTITIONER | 909 | 2,987 | $299,968 | $100 | premium | 6.8% | (803) 744-4900 |
| 35 | FIRST STATE ORTHOPAEDICS PA | NEWARK | DE | PHYSICIAN ASSISTANT | 98 | 2,986 | $467,389 | $157 | premium | 20.6% | (302) 731-2888 |
| 36 | INSTRIDE FOOT AND ANKLE SPECIALISTS, PLLC | CONCORD | NC | PODIATRY | 46 | 2,870 | $259,336 | $90 | premium | 3.9% | (704) 786-4482 |
| 37 | ENDEAVOR HEALTH MEDICAL GROUP | EVANSTON | IL | NURSE PRACTITIONER | 3380 | 2,867 | $164,803 | $57 | premium | 2.6% | — |
| 38 | IHC HEALTH SERVICES INC | MURRAY | UT | PHYSICIAN ASSISTANT | 3944 | 2,746 | $136,470 | $50 | premium | 16.7% | (801) 261-8346 |
| 39 | WELLSPAN MEDICAL GROUP | YORK | PA | PHYSICIAN ASSISTANT | 2312 | 2,717 | $120,225 | $44 | premium | 2.7% | — |
| 40 | BEACON ORTHOPAEDICS AND SPORTS MEDICINE LTD | CINCINNATI | OH | PHYSICIAN ASSISTANT | 468 | 2,711 | $219,250 | $81 | premium | 3.3% | (513) 354-3700 |
| 41 | EVANSVILLE RADIOLOGY PC | EVANSVILLE | IN | DIAGNOSTIC RADIOLOGY | 29 | 2,698 | $91,732 | $34 | premium | 5.3% | (812) 422-3254 |
| 42 | UMASS MEMORIAL MEDICAL GROUP INC | WORCESTER | MA | PHYSICIAN ASSISTANT | 2483 | 2,676 | $150,539 | $56 | premium | 4.1% | (508) 334-1000 |
| 43 | ORTHOCAROLINA | CHARLOTTE | NC | PHYSICIAN ASSISTANT | 304 | 2,662 | $221,029 | $83 | premium | 3.6% | (704) 323-2100 |
| 44 | ADVANCED DIAGNOSTIC IMAGING PC | NASHVILLE | TN | NURSE PRACTITIONER | 534 | 2,661 | $346,789 | $130 | premium | 4.5% | (615) 612-2146 |
| 45 | ZWANGER AND PESIRI RADIOLOGY GROUP LLP | LINDENHURST | NY | DIAGNOSTIC RADIOLOGY | 91 | 2,628 | $246,179 | $94 | premium | 2.0% | (631) 225-7200 |
| 46 | FASA FAMILY WELLNESS PLLC | TUMWATER | WA | PODIATRY | 16 | 2,584 | $192,548 | $75 | premium | 5.4% | (360) 754-3338 |
| 47 | PROLIANCE SURGEONS INC P S | ISSAQUAH | WA | PHYSICIAN ASSISTANT | 395 | 2,539 | $227,197 | $89 | premium | 5.3% | (425) 313-5422 |
| 48 | ANKLE AND FOOT ASSOCIATES LLC | WAYCROSS | GA | PODIATRY | 21 | 2,411 | $197,842 | $82 | premium | 3.5% | — |
| 49 | INFINITE HEALTH COLLABORATIVE, PA | MINNEAPOLIS | MN | PHYSICIAN ASSISTANT | 813 | 2,399 | $289,281 | $121 | premium | 4.9% | (612) 863-6960 |
| 50 | ST PAUL PLACE SPECIALISTS, INC. | BALTIMORE | MD | PHYSICIAN ASSISTANT | 337 | 2,395 | $124,465 | $52 | premium | 3.4% | (410) 663-8100 |
| 51 | UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL CENTER AT DALLAS | DALLAS | TX | PHYSICIAN ASSISTANT | 3200 | 2,394 | $109,407 | $46 | premium | 1.5% | (214) 633-5555 |
| 52 | DESERT ORTHOPEDIC CENTER A MEDICAL GROUP INC | RANCHO MIRAGE | CA | PHYSICIAN ASSISTANT | 50 | 2,387 | $72,446 | $30 | premium | 1.1% | (760) 340-3911 |
| 53 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | NY | PHYSICIAN ASSISTANT | 6294 | 2,371 | $449,512 | $190 | premium | 1.8% | — |
| 54 | ROPER SAINT FRANCIS PHYSICIANS NETWORK | CHARLESTON | SC | PHYSICIAN ASSISTANT | 539 | 2,282 | $207,563 | $91 | premium | 5.2% | (843) 720-8448 |
| 55 | SOUTHEAST ORTHOPEDIC SPECIALISTS LLC | JACKSONVILLE | FL | PHYSICIAN ASSISTANT | 143 | 2,278 | $228,634 | $100 | premium | 1.2% | (904) 634-0640 |
| 56 | TENNESSEE ORTHOPAEDIC ALLIANCE PA | NASHVILLE | TN | PHYSICIAN ASSISTANT | 352 | 2,265 | $222,669 | $98 | premium | 3.8% | (615) 329-6600 |
| 57 | CENTERS FOR ADVANCED ORTHOPAEDICS LLC | OLNEY | MD | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 596 | 2,257 | $241,299 | $107 | premium | 3.2% | (301) 774-0500 |
| 58 | MAYO CLINIC ARIZONA | PHOENIX | AZ | PHYSICIAN ASSISTANT | 1635 | 2,241 | $271,673 | $121 | premium | 3.6% | (800) 603-0558 |
| 59 | DUKE HEALTH INTEGRATED PRACTICE INC | DURHAM | NC | PHYSICIAN ASSISTANT | 3051 | 2,238 | $327,039 | $146 | premium | 3.0% | (919) 684-8111 |
| 60 | LARRY K. BROADWELL, M.D., A MEDICAL CORPORATION | SHREVEPORT | LA | RHEUMATOLOGY | 10 | 2,233 | $156,400 | $70 | premium | 6.2% | (318) 221-0399 |
| 61 | NORTHEAST ORTHOPAEDIC ALLIANCE PLLC | CONCORD | MA | PHYSICIAN ASSISTANT | 268 | 2,218 | $353,748 | $159 | premium | 3.4% | (603) 883-0091 |
| 62 | SANFORD MEDICAL CENTER FARGO | FARGO | ND | NURSE PRACTITIONER | 1198 | 2,160 | $125,192 | $58 | premium | 29.5% | (701) 234-2000 |
| 63 | LUMINIS HEALTH MEDICAL GROUP, LLC | ANNAPOLIS | MD | PHYSICIAN ASSISTANT | 544 | 2,152 | $73,481 | $34 | premium | 3.0% | (443) 481-1000 |
| 64 | ORTHOARKANSAS PA | LITTLE ROCK | AR | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 145 | 2,123 | $246,240 | $116 | premium | 8.0% | (501) 500-3500 |
| 65 | VERO ORTHOPAEDICS II PA | VERO BEACH | FL | PHYSICIAN ASSISTANT | 49 | 2,119 | $191,360 | $90 | premium | 1.1% | (772) 257-3608 |
| 66 | MERCY CLINIC SPRINGFIELD COMMUNITIES | SPRINGFIELD | MO | PHYSICIAN ASSISTANT | 1128 | 2,117 | $146,901 | $69 | premium | 4.3% | — |
| 67 | TRUE NORTH MEDICAL GROUP PC | ROCKVILLE CENTRE | NY | PHYSICIAN ASSISTANT | 182 | 2,088 | $665,676 | $319 | premium | 1.6% | (516) 536-2800 |
| 68 | REGENTS OF THE UNIVERSITY OF CALIFORNIA | LOS ANGELES | CA | ORTHOPEDIC SURGERY | 136 | 2,086 | $406,106 | $195 | premium | 1.0% | (310) 443-8999 |
| 69 | BAPTIST HEALTH MEDICAL GROUP INC | LOUISVILLE | KY | NURSE PRACTITIONER | 2448 | 2,074 | $173,585 | $84 | premium | 7.7% | (502) 928-1050 |
| 70 | ASSOCIATES IN MEDICINE AND SURGERY LLC | FORT MYERS | FL | PODIATRY | 17 | 2,006 | $120,897 | $60 | premium | 1.0% | (239) 481-7000 |
| 71 | THE SAN ANTONIO ORTHOPAEDIC GROUP LLP | SAN ANTONIO | TX | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 138 | 1,996 | $168,525 | $84 | premium | 1.2% | (210) 804-5400 |
| 72 | HOUSTON RADIOLOGY ASSOCIATED | HOUSTON | TX | DIAGNOSTIC RADIOLOGY | 103 | 1,994 | $126,483 | $63 | premium | 1.2% | (281) 206-9020 |
| 73 | STANFORD HEALTH CARE | STANFORD | CA | DIAGNOSTIC RADIOLOGY | 3039 | 1,968 | $228,653 | $116 | premium | 0.9% | (650) 723-4000 |
| 74 | FAMILY FOOT AND LEG CENTER PA | NAPLES | FL | PODIATRY | 18 | 1,953 | $158,594 | $81 | premium | 1.0% | (239) 430-3366 |
| 75 | MAYO CLINIC JACKSONVILLE | JACKSONVILLE | FL | NURSE PRACTITIONER | 1587 | 1,950 | $359,898 | $185 | premium | 1.0% | (904) 953-2000 |
| 76 | ALL PODIATRY GROUP INC. | WINTER GARDEN | FL | PODIATRY | 40 | 1,943 | $106,555 | $55 | premium | 1.0% | (407) 605-2321 |
| 77 | RIVERSIDE RADIOLOGY AND INTERVENTIONAL ASSOCIATES INC | COLUMBUS | OH | DIAGNOSTIC RADIOLOGY | 243 | 1,899 | $75,958 | $40 | premium | 2.3% | (614) 566-5600 |
| 78 | SPRINGFIELD CLINIC, LLP | SPRINGFIELD | IL | NURSE PRACTITIONER | 686 | 1,853 | $232,688 | $126 | premium | 1.7% | (217) 544-6464 |
| 79 | RHODE ISLAND MEDICAL IMAGING INC | EAST PROVIDENCE | RI | DIAGNOSTIC RADIOLOGY | 109 | 1,841 | $80,255 | $44 | premium | 18.7% | (401) 626-3900 |
| 80 | SANFORD CLINIC | SIOUX FALLS | SD | DIAGNOSTIC RADIOLOGY | 276 | 1,832 | $60,533 | $33 | premium | 21.1% | (605) 328-8700 |
| 81 | CENTER FOR ORTHOPEDIC RESEARCH AND EDUCATION LLC | SUN CITY | AZ | PHYSICIAN ASSISTANT | 254 | 1,816 | $151,293 | $83 | premium | 2.9% | (866) 974-2673 |
| 82 | CHARLOTTE RADIOLOGY PA | CHARLOTTE | NC | DIAGNOSTIC RADIOLOGY | 218 | 1,804 | $98,208 | $54 | premium | 2.4% | (704) 362-1945 |
| 83 | OPTUM MEDICAL CARE PC | MOUNT KISCO | NY | INTERNAL MEDICINE | 1040 | 1,783 | $203,442 | $114 | premium | 1.3% | (914) 241-1050 |
| 84 | THE ASSOCIATION OF UNIVERSITY PHYSICIANS | SEATTLE | WA | PHYSICIAN ASSISTANT | 3612 | 1,772 | $100,625 | $57 | premium | 3.7% | (206) 364-0500 |
| 85 | REGENTS OF THE UNIV OF CA | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 1608 | 1,770 | $84,960 | $48 | premium | 0.8% | (877) 827-7463 |
| 86 | ORTHOMIDWEST, PLLC | CHICAGO | IL | PHYSICIAN ASSISTANT | 542 | 1,770 | $218,810 | $124 | premium | 1.6% | (877) 632-6637 |
| 87 | UT PHYSICIANS | HOUSTON | TX | NURSE PRACTITIONER | 1758 | 1,769 | $171,191 | $97 | premium | 1.1% | (713) 566-5000 |
| 88 | BRIGHAM AND WOMENS PHYSICIANS ORGANIZATION INC | BOSTON | MA | PHYSICIAN ASSISTANT | 2942 | 1,768 | $62,391 | $35 | premium | 2.7% | (617) 732-5500 |
| 89 | MSK GROUP PC | MEMPHIS | TN | ORTHOPEDIC SURGERY | 141 | 1,739 | $131,918 | $76 | premium | 3.0% | (901) 641-3000 |
| 90 | SINGLETON ASSOCIATES PA | HOUSTON | TX | DIAGNOSTIC RADIOLOGY | 769 | 1,737 | $203,753 | $117 | premium | 1.1% | (855) 504-4544 |
| 91 | FOOT AND ANKLE ASSOCIATES OF CENTRAL ARKANSAS PLLC | LITTLE ROCK | AR | PODIATRY | 6 | 1,720 | $106,640 | $62 | premium | 6.5% | (501) 534-8888 |
| 92 | TUCSON ORTHOPAEDIC INSTITUTE PROFESSIONAL CORPORATION | TUCSON | AZ | PHYSICIAN ASSISTANT | 111 | 1,690 | $135,092 | $80 | premium | 2.7% | (520) 382-8200 |
| 93 | MORI BEAN AND BROOKS INC | ORANGE PARK | FL | DIAGNOSTIC RADIOLOGY | 947 | 1,689 | $140,005 | $83 | premium | 0.9% | (904) 399-5550 |
| 94 | CAPITAL ORTHOPAEDIC CLINIC, PLLC | FLOWOOD | MS | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 46 | 1,677 | $146,653 | $87 | premium | 7.0% | (601) 987-8200 |
| 95 | DARTMOUTH-HITCHCOCK CLINIC | LEBANON | NH | PHYSICIAN ASSISTANT | 1441 | 1,660 | $250,841 | $151 | premium | 12.7% | (603) 650-5000 |
| 96 | SPECTRUM HEALTHCARE PARTNERS PA | PORTLAND | ME | DIAGNOSTIC RADIOLOGY | 281 | 1,651 | $45,638 | $28 | premium | 28.6% | (207) 828-2160 |
| 97 | SPECIALTY ORTHOPEDIC GROUP OF MS, PLLC | TUPELO | MS | ORTHOPEDIC SURGERY | 41 | 1,638 | $183,026 | $112 | premium | 6.9% | (662) 767-4200 |
| 98 | HH HEALTH SYSTEM - THE ORTHOPAEDIC CENTER LLC | HUNTSVILLE | AL | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 175 | 1,632 | $153,502 | $94 | premium | 5.1% | (256) 539-2728 |
| 99 | OSU RADIOLOGY LLC | COLUMBUS | OH | DIAGNOSTIC RADIOLOGY | 174 | 1,605 | $51,673 | $32 | premium | 2.0% | (614) 293-8315 |
| 100 | REGENTS OF THE UNIVERSITY OF CALIFORNIA | SAN DIEGO | CA | DIAGNOSTIC RADIOLOGY | 2057 | 1,595 | $128,442 | $81 | premium | 0.7% | (800) 926-8273 |
Showing the top 100 of 3,884 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 →