96133 — Evaluation of neuropsychological test, each additional hour
243,635 observed fee-for-service (50%) · ~247,660 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; 1 state 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 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 | 96133 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | EXECUTIVE MENTAL HEALTH, INC | LOS ANGELES | CA | CLINICAL PSYCHOLOGIST | 44 | 7,201 | $6,948,965 | $965 | premium | 13.5% | (310) 273-4843 |
| 2 | KANDM NEUROPSYCHOLOGY, A PSYCHOLOGY CORPORATION | MILL VALLEY | CA | CLINICAL PSYCHOLOGIST | 12 | 3,738 | $1,121,400 | $300 | premium | 7.0% | (415) 877-4408 |
| 3 | THE NEUROLOGY CENTER | WASHINGTON | MD | NEUROLOGY | 29 | 3,238 | $647,600 | $200 | premium | 50.8% | (301) 562-7200 |
| 4 | NEUROPSYCHOLOGY ASSOCIATES OF FAIRFAX VIRGINIA LLC | FAIRFAX | VA | CLINICAL PSYCHOLOGIST | 8 | 3,080 | $847,000 | $275 | premium | 25.6% | (703) 876-0966 |
| 5 | BRIGHAM AND WOMENS PHYSICIANS ORGANIZATION INC | BOSTON | MA | PHYSICIAN ASSISTANT | 2942 | 2,927 | $1,025,110 | $350 | premium | 15.0% | (617) 732-5500 |
| 6 | BRANDYWINE NEUROPSYCHOLOGY ASSOCIATES INC | CHADDS FORD | PA | CLINICAL PSYCHOLOGIST | 7 | 2,893 | $578,100 | $200 | premium | 19.6% | (484) 841-6725 |
| 7 | SCOTT AND WHITE CLINIC | TEMPLE | TX | PHYSICIAN ASSISTANT | 2435 | 2,836 | $740,224 | $261 | premium | 8.0% | (254) 724-2663 |
| 8 | LECCI PSYCHOLOGICAL SERVICES, PLLC | WILMINGTON | NC | CLINICAL PSYCHOLOGIST | 4 | 2,690 | $389,135 | $145 | premium | 24.8% | (910) 791-6277 |
| 9 | UC REGENTS | LOS ANGELES | CA | PSYCHIATRY | 142 | 2,473 | $1,289,959 | $522 | premium | 4.6% | (310) 825-9111 |
| 10 | TUCSON NEUROPSYCHOLOGY INSTITUTE LLC | TUCSON | AZ | CLINICAL PSYCHOLOGIST | 4 | 1,835 | $256,900 | $140 | premium | 11.6% | (520) 954-9930 |
| 11 | THOMSON MEMORY CENTER LLC | ALGONQUIN | IL | CLINICAL PSYCHOLOGIST | 13 | 1,827 | $744,539 | $408 | premium | 8.4% | (847) 469-7537 |
| 12 | RIVERVIEW PSYCHOLOGICAL SERVICES, P.C. | WAPPINGERS FALLS | NY | CLINICAL SOCIAL WORKER | 5 | 1,776 | $355,200 | $200 | premium | 10.6% | (845) 875-7133 |
| 13 | NEUROLOGY ASSOCIATES OF THE EAST VALLEY PLC | CHANDLER | AZ | NEUROLOGY | 12 | 1,759 | $430,955 | $245 | premium | 11.1% | (480) 800-4890 |
| 14 | ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI | NEW YORK | NY | PHYSICIAN ASSISTANT | 2818 | 1,725 | $770,098 | $446 | premium | 10.3% | (212) 241-4812 |
| 15 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 1,666 | $882,980 | $530 | premium | 7.6% | — |
| 16 | ONE REHAB | RICHARDSON | TX | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 20 | 1,604 | $561,400 | $350 | premium | 4.5% | (972) 845-7875 |
| 17 | THE NEUROPSYCHOLOGY AND COUNSELING CENTER LLC | DALLAS | TX | CLINICAL PSYCHOLOGIST | 2 | 1,506 | $338,850 | $225 | premium | 4.3% | (469) 975-2411 |
| 18 | BAYLOR COLLEGE OF MEDICINE | HOUSTON | TX | CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) | 1222 | 1,500 | $348,336 | $232 | premium | 4.3% | — |
| 19 | REGENTS OF THE UNIVERSITY OF CALIFORNIA | SACRAMENTO | CA | FAMILY PRACTICE | 561 | 1,495 | $545,988 | $365 | premium | 2.8% | (916) 734-7777 |
| 20 | VANDERBILT UNIVERSITY MEDICAL CENTER | NASHVILLE | TN | NURSE PRACTITIONER | 3394 | 1,471 | $397,170 | $270 | premium | 23.8% | (615) 322-5000 |
| 21 | STATE UNIVERSITY OF IOWA | IOWA CITY | IA | PHYSICIAN ASSISTANT | 1902 | 1,449 | $696,544 | $481 | premium | 42.0% | (319) 678-8201 |
| 22 | JOHNSON NEUROPSYCHOLOGY, PLLC | LEWISVILLE | TX | CLINICAL PSYCHOLOGIST | 6 | 1,442 | $360,500 | $250 | premium | 4.1% | (469) 549-4200 |
| 23 | AZ INTEGRATED NEURO SPINE AND PAIN LLC | SUN CITY | AZ | NEUROLOGY | 14 | 1,422 | $335,280 | $236 | premium | 9.0% | (623) 322-5700 |
| 24 | STANFORD HEALTH CARE | STANFORD | CA | DIAGNOSTIC RADIOLOGY | 3039 | 1,352 | $557,990 | $413 | premium | 2.5% | (650) 723-4000 |
| 25 | BON SECOURS MEDICAL GROUP RICHMOND SPECIALTY CARE LLC | RICHMOND | VA | NURSE PRACTITIONER | 352 | 1,334 | $399,759 | $300 | premium | 11.1% | (804) 764-6000 |
| 26 | LIFESPAN PHYSICIAN GROUP INC | PROVIDENCE | RI | PHYSICIAN ASSISTANT | 947 | 1,329 | $376,107 | $283 | premium | 46.2% | (401) 793-9172 |
| 27 | TRIANGLE NEUROPSYCHOLOGY SERVICES, PLLC | DURHAM | NC | CLINICAL PSYCHOLOGIST | 6 | 1,297 | $389,100 | $300 | premium | 12.0% | (919) 384-9682 |
| 28 | HEALTH PSYCHOLOGY CENTER | DALLAS | TX | CLINICAL PSYCHOLOGIST | 7 | 1,288 | $299,460 | $232 | premium | 3.7% | (214) 361-2100 |
| 29 | VIVEK A MEHTA MD INC | IRVINE | CA | CLINICAL PSYCHOLOGIST | 7 | 1,283 | $320,750 | $250 | premium | 2.4% | (949) 344-3468 |
| 30 | MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC | BOSTON | MA | DIAGNOSTIC RADIOLOGY | 3532 | 1,279 | $505,237 | $395 | premium | 6.6% | (617) 724-0287 |
| 31 | HOUSTON NEUROPSYCHOLOGY ASSOCIATES, PLLC | HOUSTON | TX | CLINICAL PSYCHOLOGIST | 6 | 1,265 | $252,900 | $200 | premium | 3.6% | (713) 893-7105 |
| 32 | STEVEN M ESSIG PSYD PA | BOCA RATON | FL | CLINICAL PSYCHOLOGIST | 2 | 1,205 | $451,875 | $375 | premium | 2.9% | (561) 732-7000 |
| 33 | FORT MYERS PSYCHOLOGY PA | FORT MYERS | FL | CLINICAL PSYCHOLOGIST | 9 | 1,195 | $209,125 | $175 | premium | 2.8% | (239) 829-5494 |
| 34 | MOORE COUNSELING CENTER, P.C. | MOORE | OK | CLINICAL PSYCHOLOGIST | 5 | 1,177 | $235,400 | $200 | premium | 32.5% | (405) 735-6333 |
| 35 | UNIVERSITY OF NORTH TEXAS HEALTH SCIENCE CENTER AT FORT WORTH | FORT WORTH | TX | FAMILY PRACTICE | 56 | 1,107 | $220,293 | $199 | premium | 3.1% | (817) 735-3627 |
| 36 | JWALANT VADALIA MD PC | MANCHESTER | NH | PHYSICIAN ASSISTANT | 17 | 1,091 | $147,285 | $135 | premium | 36.1% | (603) 645-5977 |
| 37 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | NY | PHYSICIAN ASSISTANT | 6294 | 1,083 | $554,496 | $512 | premium | 6.4% | — |
| 38 | ENDEAVOR HEALTH MEDICAL GROUP | EVANSTON | IL | NURSE PRACTITIONER | 3380 | 1,082 | $160,388 | $148 | premium | 5.0% | — |
| 39 | SANFORD MEDICAL CENTER FARGO | FARGO | ND | NURSE PRACTITIONER | 1198 | 1,069 | $102,624 | $96 | premium | 41.2% | (701) 234-2000 |
| 40 | WESTCHESTER CENTER FOR COGNITIVE ASSESSMENT LLC | MOUNT KISCO | NY | CLINICAL PSYCHOLOGIST | 6 | 1,068 | $267,000 | $250 | premium | 6.4% | (914) 355-8904 |
| 41 | ERIK LANDE PHD A PROFESSIONAL PSYCHOLOGICAL CORPORATION | CAMARILLO | CA | CLINICAL PSYCHOLOGIST | 4 | 1,059 | $264,750 | $250 | premium | 2.0% | (805) 988-6197 |
| 42 | FLORIDA HEALTH PROFESSIONS ASSOCIATION INC | GAINESVILLE | FL | CLINICAL PSYCHOLOGIST | 23 | 1,041 | $578,352 | $556 | premium | 2.5% | — |
| 43 | REGENTS OF THE UNIVERSITY OF MICHIGAN | ANN ARBOR | MI | INTERNAL MEDICINE | 3330 | 1,037 | $574,450 | $554 | premium | 9.5% | (734) 763-5459 |
| 44 | UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL CENTER AT DALLAS | DALLAS | TX | PHYSICIAN ASSISTANT | 3200 | 1,019 | $373,386 | $366 | premium | 2.9% | (214) 633-5555 |
| 45 | HARVARD MEDICAL FACULTY PHYS AT BETH ISRAEL DEACONESS MED CTR INC | BOSTON | MA | INTERNAL MEDICINE | 1689 | 1,003 | $273,223 | $272 | premium | 5.1% | (781) 983-9088 |
| 46 | NEUROPSYCHOLOGY SERVICES OF KANSAS | WICHITA | KS | CLINICAL PSYCHOLOGIST | 2 | 983 | $167,804 | $171 | premium | 24.3% | (316) 867-3434 |
| 47 | PALMWOOD CENTER FOR PSYCHOLOGICAL SERVICES, P.A. | SUNRISE | NJ | CLINICAL PSYCHOLOGIST | 4 | 980 | $147,000 | $150 | premium | 11.2% | (954) 742-7032 |
| 48 | YALE UNIVERSITY | NEW HAVEN | CT | PHYSICIAN ASSISTANT | 2649 | 978 | $415,650 | $425 | premium | 20.5% | (203) 688-4242 |
| 49 | WEST TENNESSEE MEDICAL GROUP INC | JACKSON | TN | NURSE PRACTITIONER | 189 | 954 | $283,382 | $297 | premium | 15.4% | — |
| 50 | RIVERHILLS HEALTHCARE INC | CINCINNATI | OH | NEUROLOGY | 46 | 948 | $275,034 | $290 | premium | 9.8% | (513) 241-2370 |
| 51 | GREGORY MALO PSYD AND ASSOCIATES IN NEUROPSYCHOLOGY PC | LOMBARD | IL | CLINICAL PSYCHOLOGIST | 3 | 948 | $213,300 | $225 | premium | 4.3% | (630) 424-8900 |
| 52 | SAIBLE NEUROPSYCHOLOGY LLC | ST PETERSBURG | FL | CLINICAL PSYCHOLOGIST | 5 | 942 | $188,400 | $200 | premium | 2.2% | (727) 565-2424 |
| 53 | SJHMC PHYSICIAN SERVICES | PHOENIX | AZ | NURSE PRACTITIONER | 690 | 933 | $259,374 | $278 | premium | 5.9% | (602) 406-6017 |
| 54 | THE ANCHOR CLINIC LLC | PENSACOLA | FL | CLINICAL PSYCHOLOGIST | 7 | 924 | $175,560 | $190 | premium | 2.2% | — |
| 55 | NORTH COUNTY NEUROLOGY ASSOCIATES MEDICAL GROUP | CARLSBAD | CA | NEUROLOGY | 44 | 924 | $192,053 | $208 | premium | 1.7% | (760) 631-3000 |
| 56 | NEUROPSYCHOLOGY PARTNERS LLC | ANN ARBOR | MI | CLINICAL PSYCHOLOGIST | 3 | 921 | $185,724 | $202 | premium | 8.5% | (734) 961-7196 |
| 57 | NEUROPSYCHOLOGICAL ASSESSMENT CLINIC INC | BRIGHTON | MA | CLINICAL PSYCHOLOGIST | 5 | 919 | $229,750 | $250 | premium | 4.7% | (617) 383-7804 |
| 58 | UNIVERSITY MEDICAL SERVICE ASSOCIATION INC | TAMPA | FL | NURSE PRACTITIONER | 814 | 904 | $277,528 | $307 | premium | 2.1% | — |
| 59 | CHILD AND FAMILY PSYCHOLOGICAL SERVICES PLLC | NORWOOD | MA | CLINICAL PSYCHOLOGIST | 239 | 896 | $268,800 | $300 | premium | 4.6% | (781) 551-0999 |
| 60 | OPTUM BEHAVIORAL CARE OF NORTH CAROLINA PC | SARASOTA | KY | CLINICAL SOCIAL WORKER | 176 | 882 | $307,174 | $348 | premium | 41.2% | (941) 363-0878 |
| 61 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 880 | $645,920 | $734 | premium | 5.2% | (212) 263-9700 |
| 62 | WEST FLORIDA MEDICAL CENTER CLINIC PA | PENSACOLA | FL | PHYSICIAN ASSISTANT | 109 | 868 | $176,204 | $203 | premium | 2.1% | (850) 474-8000 |
| 63 | THE NEUROLOGY INSTITUTE, LLC | CORAL SPRINGS | FL | NEUROLOGY | 25 | 867 | $183,804 | $212 | premium | 2.1% | (954) 803-9002 |
| 64 | GILBERT NEUROLOGY PARTNERS PLLC | GILBERT | AZ | NEUROLOGY | 8 | 867 | $156,071 | $180 | premium | 5.5% | (480) 926-0644 |
| 65 | NEUROPSYCHOLOGICAL ASSESSMENT AND THERAPY SERVICES LLC | BERWYN | PA | CLINICAL PSYCHOLOGIST | 4 | 863 | $172,600 | $200 | premium | 5.9% | (610) 241-4331 |
| 66 | LIMBIC RESOURCES INC | HYANNIS | MA | CLINICAL SOCIAL WORKER | 10 | 859 | $257,700 | $300 | premium | 4.4% | (774) 470-4535 |
| 67 | GEISINGER CLINIC | DANVILLE | PA | PHYSICIAN ASSISTANT | 3426 | 844 | $223,969 | $265 | premium | 5.7% | (570) 271-6144 |
| 68 | DAVID A THOMAS, LTD. | GLEN MILLS | PA | CLINICAL PSYCHOLOGIST | 5 | 840 | $169,827 | $202 | premium | 5.7% | (610) 744-2960 |
| 69 | UNIVERSITY OF CALIFORNIA SAN FRANCISCO | SAN FRANCISCO | CA | DIAGNOSTIC RADIOLOGY | 1842 | 838 | $434,522 | $519 | premium | 1.6% | (415) 476-4029 |
| 70 | MAYO CLINIC JACKSONVILLE | JACKSONVILLE | FL | NURSE PRACTITIONER | 1587 | 812 | $509,825 | $628 | premium | 1.9% | (904) 953-2000 |
| 71 | MARTIN D. OLIVEIRA PSY D LLC | WEST HARTFORD | CT | CLINICAL PSYCHOLOGIST | 5 | 805 | $201,250 | $250 | premium | 16.9% | (860) 519-5227 |
| 72 | WASHINGTON REGIONAL MEDICAL SYSTEM | FAYETTEVILLE | AR | NURSE PRACTITIONER | 241 | 788 | $191,484 | $243 | premium | 13.1% | (479) 571-4338 |
| 73 | NORTH PENN NEUROPSYCHOLOGICAL SERVICES | LOWER GWYNEDD | PA | CLINICAL PSYCHOLOGIST | 3 | 784 | $156,800 | $200 | premium | 5.3% | — |
| 74 | UNIVERSITY OF MIAMI | MIAMI | FL | NURSE PRACTITIONER | 2331 | 784 | $384,160 | $490 | premium | 1.9% | (305) 689-5437 |
| 75 | CARLE HEALTH CARE INCORPORATED | URBANA | IL | NURSE PRACTITIONER | 1528 | 782 | $379,270 | $485 | premium | 3.6% | (888) 712-2753 |
| 76 | UNIVERSITY OF WISCONSIN MEDICAL FOUNDATION INC | MADISON | WI | PHYSICIAN ASSISTANT | 2523 | 775 | $379,923 | $490 | premium | 13.8% | (608) 287-2050 |
| 77 | WELLSTAR MEDICAL GROUP LLC | MARIETTA | GA | NURSE PRACTITIONER | 3060 | 774 | $180,460 | $233 | premium | 12.2% | (770) 422-2004 |
| 78 | HACKENSACK MERIDIAN HEALTH MEDICAL GROUP - SPECIALTY CARE PC | NEPTUNE | NJ | NURSE PRACTITIONER | 1878 | 770 | $257,835 | $335 | premium | 8.8% | (732) 362-3663 |
| 79 | AURORA MEDICAL GROUP, INC. | MILWAUKEE | WI | DIAGNOSTIC RADIOLOGY | 3696 | 768 | $532,281 | $693 | premium | 13.7% | (414) 421-8400 |
| 80 | REGENTS OF THE UNIVERSITY OF | ORANGE | CA | FAMILY PRACTICE | 31 | 764 | $271,984 | $356 | premium | 1.4% | (714) 456-8068 |
| 81 | UNIVERSITY OF VIRGINIA PHYSICIANS GROUP | CHARLOTTESVILLE | VA | NURSE PRACTITIONER | 1704 | 760 | $207,354 | $273 | premium | 6.3% | (434) 924-5959 |
| 82 | UT PHYSICIANS | HOUSTON | TX | NEUROLOGY | 202 | 757 | $302,682 | $400 | premium | 2.1% | (713) 486-8000 |
| 83 | THE ASSOCIATION OF UNIVERSITY PHYSICIANS | SEATTLE | WA | PHYSICIAN ASSISTANT | 3612 | 733 | $208,674 | $285 | premium | 13.6% | (206) 364-0500 |
| 84 | OU HEALTH PARTNERS INC | OKLAHOMA CITY | OK | PHYSICIAN ASSISTANT | 1160 | 700 | $259,702 | $371 | premium | 19.3% | (405) 271-4311 |
| 85 | OPTUM BEHAVIORAL CARE OF NORTH CAROLINA PC | SARASOTA | FL | CLINICAL SOCIAL WORKER | 176 | 700 | $243,894 | $348 | premium | 1.7% | (941) 363-0878 |
| 86 | PHYSICIANS REFERRAL SERVICE | HOUSTON | TX | NURSE PRACTITIONER | 2696 | 694 | $614,884 | $886 | premium | 2.0% | (713) 592-5433 |
| 87 | UNIVERSITY OF PENN - MEDICAL GROUP | PHILADELPHIA | PA | PHYSICIAN ASSISTANT | 3505 | 693 | $182,565 | $263 | premium | 4.7% | (215) 662-2777 |
| 88 | JOHNS HOPKINS UNIVERSITY | BALTIMORE | MD | NURSE PRACTITIONER | 2900 | 687 | $302,120 | $440 | premium | 10.8% | (410) 502-4340 |
| 89 | NEUROPSYCHOLOGY ASSOCIATES OF FAIRFAX VIRGINIA LLC | FAIRFAX | OH | CLINICAL PSYCHOLOGIST | 8 | 674 | $185,350 | $275 | premium | 6.9% | (703) 876-0966 |
| 90 | HEALTH FIRST MEDICAL GROUP, LLC | MELBOURNE | FL | NURSE PRACTITIONER | 669 | 657 | $128,772 | $196 | premium | 1.6% | (321) 434-8878 |
| 91 | BLUE STAR PSYCHOLOGY AND CONSULTING, PLLC | PLANO | TX | CLINICAL PSYCHOLOGIST | 3 | 647 | $80,875 | $125 | premium | 1.8% | (940) 290-2565 |
| 92 | NEUROPSYCHOLOGY CONSULTANTS, LLC | WILTON | CT | CLINICAL PSYCHOLOGIST | 3 | 647 | $194,100 | $300 | premium | 13.6% | (203) 855-9691 |
| 93 | COMMUNITY NEUROSCIENCE SERVICES LLC | WESTBOROUGH | MA | NEUROLOGY | 23 | 644 | $96,600 | $150 | premium | 3.3% | (508) 898-0055 |
| 94 | MCV ASSOCIATED PHYSICIANS | RICHMOND | VA | NURSE PRACTITIONER | 1791 | 642 | $292,110 | $455 | premium | 5.3% | (804) 828-9000 |
| 95 | UNIVERSITY OF TEXAS HEALTH SCIENCE CENTER AT SAN ANTONIO | SAN ANTONIO | TX | PHYSICIAN ASSISTANT | 1326 | 636 | $182,286 | $287 | premium | 1.8% | (210) 450-7044 |
| 96 | BCS OF MICHIGAN LLC | TRENTON | MI | CLINICAL PSYCHOLOGIST | 41 | 631 | $126,200 | $200 | premium | 5.8% | (734) 671-3500 |
| 97 | UNIVERSITY MEDICAL ASSOCIATES OF THE MEDICAL UNIVERSITY OF SOUTH CAROL | CHARLESTON | SC | PHYSICIAN ASSISTANT | 1692 | 627 | $256,047 | $408 | premium | 14.4% | (843) 792-1414 |
| 98 | CENTRAL DUPAGE PHYSICIAN GROUP | WHEATON | IL | PHYSICIAN ASSISTANT | 1097 | 622 | $171,966 | $276 | premium | 2.9% | (630) 933-4800 |
| 99 | DEER OAKS MID-WEST LLC | NAPERVILLE | IL | CLINICAL SOCIAL WORKER | 11 | 622 | $90,090 | $145 | premium | 2.9% | (888) 365-6271 |
| 100 | NEUROSCIENCE CONSULTANTS LLP | MIAMI | FL | NEUROLOGY | 104 | 620 | $268,454 | $433 | premium | 1.5% | (305) 596-2080 |
Showing the top 100 of 604 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 →