76937 — Ultrasonic guidance for blood vessel access
286,242 observed fee-for-service (49%) · ~294,096 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 | 76937 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | RADIOLOGY ASSOCIATES OF NORTH TEXAS PA | FORT WORTH | TX | DIAGNOSTIC RADIOLOGY | 340 | 2,784 | $169,756 | $61 | premium | 7.4% | (817) 321-0470 |
| 2 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | NY | PHYSICIAN ASSISTANT | 6294 | 2,578 | $226,523 | $88 | premium | 8.7% | — |
| 3 | MAYO CLINIC | ROCHESTER | MN | NURSE PRACTITIONER | 4896 | 2,148 | $216,625 | $101 | premium | 21.3% | (507) 284-2511 |
| 4 | U S ANESTHESIA PARTNERS OF TEXAS, PA | HOUSTON | TX | ANESTHESIOLOGY | 2754 | 2,087 | $800,432 | $384 | premium | 5.5% | (713) 375-7000 |
| 5 | BAPTIST CARDIOLOGY, INC. | JACKSONVILLE | FL | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 99 | 2,050 | $72,623 | $35 | premium | 4.2% | (904) 399-1171 |
| 6 | MAYO CLINIC JACKSONVILLE | JACKSONVILLE | FL | NURSE PRACTITIONER | 1587 | 1,892 | $310,067 | $164 | premium | 3.8% | (904) 953-2000 |
| 7 | MORI BEAN AND BROOKS INC | ORANGE PARK | FL | DIAGNOSTIC RADIOLOGY | 947 | 1,858 | $326,588 | $176 | premium | 3.8% | (904) 399-5550 |
| 8 | ANESTHESIA SERVICE MEDICAL GROUP | SAN DIEGO | CA | ANESTHESIOLOGY | 237 | 1,623 | $208,131 | $128 | premium | 2.8% | (619) 565-9666 |
| 9 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 1,596 | $202,763 | $127 | premium | 8.9% | — |
| 10 | THE REGENTS OF THE UNIVERSITY OF CALIFORNIA | LOS ANGELES | CA | INTERNAL MEDICINE | 1424 | 1,556 | $108,102 | $69 | premium | 2.7% | (310) 825-7922 |
| 11 | WASHINGTON UNIVERSITY | SAINT LOUIS | MO | NURSE PRACTITIONER | 3070 | 1,532 | $157,682 | $103 | premium | 19.7% | (314) 747-3000 |
| 12 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 1,436 | $111,955 | $78 | premium | 2.5% | (415) 600-1020 |
| 13 | UMASS MEMORIAL MEDICAL GROUP INC | WORCESTER | MA | PHYSICIAN ASSISTANT | 2483 | 1,286 | $97,215 | $76 | premium | 9.9% | (508) 334-1000 |
| 14 | MAYO CLINIC ARIZONA | PHOENIX | AZ | PHYSICIAN ASSISTANT | 1635 | 1,256 | $173,942 | $138 | premium | 11.1% | (800) 603-0558 |
| 15 | ASSOCIATED ANESTHESIOLOGISTS, PC | LINCOLN | NE | CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) | 106 | 1,142 | $165,590 | $145 | premium | 29.5% | (402) 489-0200 |
| 16 | UNIVERSITY OF PENN - MEDICAL GROUP | PHILADELPHIA | PA | PHYSICIAN ASSISTANT | 3505 | 1,136 | $58,558 | $52 | premium | 5.8% | (215) 662-2777 |
| 17 | CLEVELAND CLINIC | CLEVELAND | OH | PHYSICIAN ASSISTANT | 6828 | 1,124 | $143,680 | $128 | premium | 9.8% | — |
| 18 | KANSAS UNIVERSITY PHYSICIANS INC | KANSAS CITY | KS | NURSE PRACTITIONER | 1815 | 1,113 | $37,889 | $34 | premium | 30.1% | (913) 588-1227 |
| 19 | NEW YORK CARDIOVASCULAR ANESTHESIOLOGISTS, P.C. | ROSLYN | NY | CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) | 128 | 1,100 | $126,220 | $115 | premium | 3.7% | (516) 627-0334 |
| 20 | SOUTHERN CONNECTICUT VASCULAR CENTER LLC | STRATFORD | CT | VASCULAR SURGERY | 36 | 1,094 | $475,725 | $435 | premium | 21.6% | (203) 210-6340 |
| 21 | SMH PHYSICIAN SERVICES INC | SARASOTA | FL | PHYSICIAN ASSISTANT | 766 | 1,089 | $37,690 | $35 | premium | 2.2% | — |
| 22 | CARDIOLOGY CONSULTANTS OF PHILADELPHIA PC | PHILADELPHIA | PA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 143 | 1,082 | $59,510 | $55 | premium | 5.5% | (215) 463-5333 |
| 23 | PHYSICIANS REFERRAL SERVICE | HOUSTON | TX | NURSE PRACTITIONER | 2696 | 1,075 | $168,887 | $157 | premium | 2.8% | (713) 592-5433 |
| 24 | ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI | NEW YORK | NY | PHYSICIAN ASSISTANT | 2818 | 1,073 | $72,019 | $67 | premium | 3.6% | (212) 241-4812 |
| 25 | HACKENSACK MERIDIAN HEALTH MEDICAL GROUP - SPECIALTY CARE PC | NEPTUNE | NJ | NURSE PRACTITIONER | 1878 | 1,061 | $106,516 | $100 | premium | 5.9% | (732) 362-3663 |
| 26 | THE ASSOCIATION OF UNIVERSITY PHYSICIANS | SEATTLE | WA | PHYSICIAN ASSISTANT | 3612 | 993 | $47,677 | $48 | premium | 8.9% | (206) 364-0500 |
| 27 | HOUSTON RADIOLOGY ASSOCIATED | HOUSTON | TX | DIAGNOSTIC RADIOLOGY | 103 | 979 | $169,367 | $173 | premium | 2.6% | (281) 206-9020 |
| 28 | ALLINA HEALTH SYSTEM | MINNEAPOLIS | MN | PHYSICIAN ASSISTANT | 3855 | 958 | $52,137 | $54 | premium | 9.5% | (612) 863-4000 |
| 29 | HARVARD MEDICAL FACULTY PHYS AT BETH ISRAEL DEACONESS MED CTR INC | BOSTON | MA | INTERNAL MEDICINE | 1689 | 954 | $42,930 | $45 | premium | 7.4% | (781) 983-9088 |
| 30 | BASS MEDICAL GROUP | WALNUT CREEK | CA | OTOLARYNGOLOGY | 318 | 911 | $109,853 | $121 | premium | 1.6% | — |
| 31 | CHS PHYSICIAN PARTNERS PC | ROSLYN | NY | PHYSICIAN ASSISTANT | 734 | 910 | $201,435 | $221 | premium | 3.1% | — |
| 32 | US ANESTHESIA PARTNERS OF FLORIDA INC | ORLANDO | FL | CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) | 1094 | 898 | $189,701 | $211 | premium | 1.8% | (407) 303-8110 |
| 33 | CHARLOTTE RADIOLOGY PA | CHARLOTTE | NC | DIAGNOSTIC RADIOLOGY | 218 | 897 | $74,325 | $83 | premium | 6.8% | (704) 362-1945 |
| 34 | VASCULAR CARE GROUP LLC | HYANNIS | MA | VASCULAR SURGERY | 27 | 880 | $105,699 | $120 | premium | 6.8% | (508) 775-1984 |
| 35 | FLORIDA CLINICAL PRACTICE ASSOCIATION INC | GAINESVILLE | FL | NURSE PRACTITIONER | 1912 | 827 | $77,922 | $94 | premium | 1.7% | (352) 265-8990 |
| 36 | BRIGHAM AND WOMENS PHYSICIANS ORGANIZATION INC | BOSTON | MA | PHYSICIAN ASSISTANT | 2942 | 825 | $47,850 | $58 | premium | 6.4% | (617) 732-5500 |
| 37 | REGENTS OF THE UNIVERSITY OF MICHIGAN | ANN ARBOR | MI | INTERNAL MEDICINE | 3330 | 808 | $71,276 | $88 | premium | 7.5% | (734) 763-5459 |
| 38 | VASCULAR SURGERY ASSOCIATES LLC | TOWSON | MD | VASCULAR SURGERY | 15 | 804 | $29,301 | $36 | premium | 6.6% | (410) 825-4928 |
| 39 | MEDSTAR MEDICAL GROUP II LLC | WASHINGTON | DC | PHYSICIAN ASSISTANT | 3707 | 802 | $36,076 | $45 | premium | 33.4% | (202) 429-2401 |
| 40 | INTERVENTIONAL CARDIOLOGISTS OF GAINESVILLE, PA | GAINESVILLE | FL | INTERVENTIONAL CARDIOLOGY | 36 | 800 | $34,263 | $43 | premium | 1.6% | (352) 375-1212 |
| 41 | H LEE MOFFITT CANCER CTR AND RES INST LIFE TIME CANCER SCRN CTR INC | TAMPA | FL | PHYSICIAN ASSISTANT | 1103 | 791 | $43,089 | $54 | premium | 1.6% | (813) 745-4673 |
| 42 | JEFFERSON UNIVERSITY PHYSICIANS | PHILADELPHIA | PA | DIAGNOSTIC RADIOLOGY | 1570 | 779 | $46,840 | $60 | premium | 4.0% | — |
| 43 | CENTRAL ANESTHESIA SERVICE EXCHANGE MEDICAL GROUP INC | SACRAMENTO | CA | ANESTHESIOLOGY | 109 | 776 | $92,834 | $120 | premium | 1.3% | (916) 481-6800 |
| 44 | SONORAN RADIOLOGY LTD | MESA | AZ | DIAGNOSTIC RADIOLOGY | 474 | 772 | $179,104 | $232 | premium | 6.8% | (832) 915-2534 |
| 45 | WASHINGTON CARDIOVASCULAR INSTITUTE, LLC | TAKOMA PARK | MD | NURSE PRACTITIONER | 17 | 765 | $41,462 | $54 | premium | 6.3% | (301) 891-2500 |
| 46 | THE EMORY CLINIC INC | ATLANTA | GA | NURSE PRACTITIONER | 3484 | 760 | $53,795 | $71 | premium | 6.6% | (404) 778-7525 |
| 47 | AURORA MEDICAL GROUP, INC. | MILWAUKEE | WI | DIAGNOSTIC RADIOLOGY | 3696 | 741 | $134,388 | $181 | premium | 9.0% | (414) 421-8400 |
| 48 | BHS PHYSICIANS NETWORK, INC | SAN ANTONIO | TX | PHYSICIAN ASSISTANT | 696 | 740 | $40,528 | $55 | premium | 2.0% | (210) 614-7414 |
| 49 | INTEGRIS CARDIOVASCULAR PHYSICIANS LLC | OKLAHOMA CITY | OK | PHYSICIAN ASSISTANT | 114 | 728 | $22,116 | $30 | premium | 9.8% | (405) 951-4345 |
| 50 | MISSION HEALTH COMMUNITY MULTISPECIALTY PROVIDERS LLC | ASHEVILLE | NC | PHYSICIAN ASSISTANT | 593 | 723 | $28,490 | $39 | premium | 5.5% | (828) 213-1740 |
| 51 | KENTUCKY MEDICAL SERVICES FOUNDATION, INC | LEXINGTON | KY | DIAGNOSTIC RADIOLOGY | 989 | 723 | $36,921 | $51 | premium | 13.2% | (859) 257-1412 |
| 52 | PROVIDENCE HEALTH AND SERVICE- WASHINGTON | SPOKANE | WA | CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) | 174 | 723 | $75,939 | $105 | premium | 6.5% | (509) 474-3131 |
| 53 | STANFORD HEALTH CARE | STANFORD | CA | DIAGNOSTIC RADIOLOGY | 3039 | 719 | $94,351 | $131 | premium | 1.2% | (650) 723-4000 |
| 54 | MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC | BOSTON | MA | DIAGNOSTIC RADIOLOGY | 3532 | 712 | $55,813 | $78 | premium | 5.5% | (617) 724-0287 |
| 55 | HENDRICK PROVIDER NETWORK | ABILENE | TX | PHYSICIAN ASSISTANT | 249 | 699 | $43,636 | $62 | premium | 1.9% | (325) 672-4372 |
| 56 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 697 | $82,337 | $118 | premium | 2.3% | (212) 263-9700 |
| 57 | NORTH SHORE - LIJ ANESTHESIOLOGY, PC | NEW HYDE PARK | NY | ANESTHESIOLOGY | 1012 | 695 | $138,340 | $199 | premium | 2.3% | (516) 734-8600 |
| 58 | FIELDEN,HANSON,ISAACS,MIYADA,ROBISON,YEH LTD | LAS VEGAS | NV | ANESTHESIOLOGY | 172 | 694 | $97,160 | $140 | premium | 17.0% | (702) 878-0700 |
| 59 | CEP AMERICA - ANESTHESIA PC | DES MOINES | CA | ANESTHESIOLOGY | 839 | 694 | $139,708 | $201 | premium | 1.2% | (515) 247-3121 |
| 60 | IHC HEALTH SERVICES INC | MURRAY | UT | PHYSICIAN ASSISTANT | 3944 | 692 | $27,987 | $40 | premium | 24.3% | (801) 261-8346 |
| 61 | WELLSPAN MEDICAL GROUP | YORK | PA | PHYSICIAN ASSISTANT | 2312 | 675 | $21,600 | $32 | premium | 3.4% | — |
| 62 | SOUTHERN CALIFORNIA VASCULAR INSTITUTE INC | VISTA | CA | INTERVENTIONAL RADIOLOGY | 4 | 672 | $47,040 | $70 | premium | 1.1% | (914) 979-6159 |
| 63 | MEDSTAR MEDICAL GROUP II LLC | WASHINGTON | MD | PHYSICIAN ASSISTANT | 3707 | 670 | $31,408 | $47 | premium | 5.5% | (202) 429-2401 |
| 64 | HEALTHTEXAS PROVIDER NETWORK | DALLAS | TX | PHYSICIAN ASSISTANT | 2482 | 669 | $33,721 | $50 | premium | 1.8% | — |
| 65 | HORIZON SURGICAL GROUP PA | FREDERICK | MD | VASCULAR SURGERY | 8 | 654 | $52,684 | $81 | premium | 5.4% | (240) 529-1414 |
| 66 | TEXAS RADIOLOGY ASSOCIATES LLP | PLANO | TX | DIAGNOSTIC RADIOLOGY | 153 | 652 | $119,316 | $183 | premium | 1.7% | (469) 814-2000 |
| 67 | FPA HOSPITAL BASED | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 427 | 651 | $97,338 | $150 | premium | 2.2% | (212) 252-6004 |
| 68 | CENTER FOR ADVANCED CARDIAC AND VASCULAR INTERVENTIONS | TARZANA | CA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 11 | 651 | $95,850 | $147 | premium | 1.1% | (818) 905-5904 |
| 69 | GREATER BOSTON UROLOGY LLC | FRAMINGHAM | MA | UROLOGY | 42 | 637 | $32,000 | $50 | premium | 4.9% | — |
| 70 | ENDEAVOR HEALTH MEDICAL GROUP | EVANSTON | IL | NURSE PRACTITIONER | 3380 | 633 | $39,959 | $63 | premium | 3.5% | — |
| 71 | EISENHOWER MEDICAL CENTER | RANCHO MIRAGE | CA | NURSE PRACTITIONER | 457 | 629 | $63,790 | $101 | premium | 1.1% | (760) 340-3911 |
| 72 | REGENTS OF THE UNIV OF CA | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 1608 | 626 | $53,836 | $86 | premium | 1.1% | (877) 827-7463 |
| 73 | OU HEALTH PARTNERS INC | OKLAHOMA CITY | OK | PHYSICIAN ASSISTANT | 1160 | 619 | $36,994 | $60 | premium | 8.4% | (405) 271-4311 |
| 74 | RUSH UNIVERSITY MEDICAL GROUP | CHICAGO | IL | PHYSICIAN ASSISTANT | 1496 | 617 | $31,075 | $50 | premium | 3.4% | (312) 563-2875 |
| 75 | TENET FLORIDA PHYSICIAN SERVICES LLC | DELRAY BEACH | FL | CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) | 224 | 612 | $40,832 | $67 | premium | 1.2% | (561) 498-4440 |
| 76 | YALE UNIVERSITY | NEW HAVEN | CT | PHYSICIAN ASSISTANT | 2649 | 611 | $39,245 | $64 | premium | 12.1% | (203) 688-4242 |
| 77 | CITY OF HOPE MEDICAL FOUNDATION | DUARTE | CA | NURSE PRACTITIONER | 942 | 589 | $32,545 | $55 | premium | 1.0% | (626) 256-4673 |
| 78 | HEART RHYTHM CONSULTANTS PA | SARASOTA | FL | NURSE PRACTITIONER | 5 | 582 | $23,302 | $40 | premium | 1.2% | (941) 484-6758 |
| 79 | CHRISTUS TRINITY CLINIC | TYLER | TX | NURSE PRACTITIONER | 1495 | 575 | $27,641 | $48 | premium | 1.5% | (903) 606-5560 |
| 80 | UNIVERSITY OF PITTSBURGH PHYSICIANS | PITTSBURGH | PA | DIAGNOSTIC RADIOLOGY | 4291 | 559 | $22,074 | $39 | premium | 2.8% | — |
| 81 | BOCACARE INC | BOCA RATON | FL | PHYSICIAN ASSISTANT | 199 | 558 | $31,710 | $57 | premium | 1.1% | (561) 955-7100 |
| 82 | UNIVERSITY OF ALABAMA HEALTH SERVICES FOUNDATION, PC | BIRMINGHAM | AL | NURSE PRACTITIONER | 2788 | 555 | $44,400 | $80 | premium | 15.4% | (205) 934-3460 |
| 83 | ANESTHESIA ASSOCIATES OF MEDFORD PC | MEDFORD | OR | ANESTHESIOLOGY | 47 | 547 | $49,230 | $90 | premium | 10.3% | (541) 773-7273 |
| 84 | NORTHSIDE RADIOLOGY ASSOCIATES LLC | ATLANTA | GA | DIAGNOSTIC RADIOLOGY | 370 | 546 | $126,672 | $232 | premium | 4.7% | (404) 851-6577 |
| 85 | ARKANSAS HEALTH GROUP | LITTLE ROCK | AR | CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) | 666 | 540 | $80,664 | $149 | premium | 10.0% | (501) 202-2093 |
| 86 | HEART ONE ASSOCIATES LLC | PHOENIX | AZ | INTERVENTIONAL CARDIOLOGY | 21 | 539 | $36,065 | $67 | premium | 4.8% | (602) 584-5444 |
| 87 | UT PHYSICIANS | HOUSTON | TX | NURSE PRACTITIONER | 1758 | 538 | $39,033 | $73 | premium | 1.4% | (713) 566-5000 |
| 88 | CEDARS-SINAI MEDICAL CENTER | WEST HOLLYWOOD | CA | NURSE PRACTITIONER | 802 | 536 | $27,694 | $52 | premium | 0.9% | (310) 423-3277 |
| 89 | UNIVERSITY PHYSICIANS INCORPORATED | AURORA | CO | PHYSICIAN ASSISTANT | 3122 | 535 | $32,647 | $61 | premium | 9.7% | (720) 777-1234 |
| 90 | NORTHEAST GEORGIA PHYSICIANS GROUP INC | GAINESVILLE | GA | PHYSICIAN ASSISTANT | 901 | 532 | $23,940 | $45 | premium | 4.6% | (770) 219-7777 |
| 91 | SINGLETON ASSOCIATES PA | HOUSTON | TX | DIAGNOSTIC RADIOLOGY | 769 | 521 | $117,992 | $226 | premium | 1.4% | (855) 504-4544 |
| 92 | MCV ASSOCIATED PHYSICIANS | RICHMOND | VA | NURSE PRACTITIONER | 1791 | 521 | $34,386 | $66 | premium | 3.8% | (804) 828-9000 |
| 93 | SACRED HEART HEALTH SYSTEM INC | PENSACOLA | FL | NURSE PRACTITIONER | 371 | 516 | $22,824 | $44 | premium | 1.0% | (850) 416-2400 |
| 94 | UNIVERSITY OF MIAMI | MIAMI | FL | NURSE PRACTITIONER | 2331 | 514 | $31,170 | $61 | premium | 1.0% | (305) 689-5437 |
| 95 | SENTARA MEDICAL GROUP | NORFOLK | VA | PHYSICIAN ASSISTANT | 1404 | 513 | $14,002 | $27 | premium | 3.7% | — |
| 96 | OSU RADIOLOGY LLC | COLUMBUS | OH | DIAGNOSTIC RADIOLOGY | 174 | 510 | $28,050 | $55 | premium | 4.4% | (614) 293-8315 |
| 97 | THE MEDICAL COLLEGE OF WISCONSIN INC | MILWAUKEE | WI | DIAGNOSTIC RADIOLOGY | 2137 | 509 | $116,320 | $229 | premium | 6.2% | (414) 955-4263 |
| 98 | PIEDMONT ANESTHESIA LLC | STOCKBRIDGE | GA | ANESTHESIOLOGY ASSISTANT | 531 | 509 | $135,026 | $265 | premium | 4.4% | (800) 242-1131 |
| 99 | CHRISTIANA CARE HEALTH SERVICES INC | NEWARK | DE | PHYSICIAN ASSISTANT | 1537 | 506 | $23,236 | $46 | premium | 28.6% | — |
| 100 | ANESTHESIA ASSOCIATES OF MORRISTOWN PA | MORRISTOWN | NJ | ANESTHESIOLOGY | 170 | 504 | $70,164 | $139 | premium | 2.8% | (973) 971-5539 |
Showing the top 100 of 1,925 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 →