91200 — Measurement of liver stiffness
38,475 observed fee-for-service (49%) · ~39,941 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 | 91200 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | GALEN MEDICAL GROUP, PC | CHATTANOOGA | TN | NURSE PRACTITIONER | 123 | 1,349 | $138,947 | $103 | premium | 64.4% | (423) 643-2500 |
| 2 | RADIOLOGY REGIONAL CENTER P A | FORT MYERS | FL | DIAGNOSTIC RADIOLOGY | 52 | 1,290 | $113,790 | $88 | premium | 30.2% | (239) 936-2316 |
| 3 | TEXAS LIVER CONSULTANTS PA | SAN ANTONIO | TX | NURSE PRACTITIONER | 39 | 759 | $151,606 | $200 | premium | 19.0% | (210) 253-3426 |
| 4 | MAYO CLINIC ARIZONA | PHOENIX | AZ | PHYSICIAN ASSISTANT | 1635 | 729 | $83,106 | $114 | premium | 66.2% | (800) 603-0558 |
| 5 | ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI | NEW YORK | NY | PHYSICIAN ASSISTANT | 2818 | 718 | $69,015 | $96 | premium | 17.5% | (212) 241-4812 |
| 6 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 717 | $185,596 | $259 | premium | 17.5% | (212) 263-9700 |
| 7 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 645 | $94,642 | $147 | premium | 31.9% | — |
| 8 | HARVARD MEDICAL FACULTY PHYS AT BETH ISRAEL DEACONESS MED CTR INC | BOSTON | MA | INTERNAL MEDICINE | 1689 | 644 | $23,828 | $37 | premium | 27.8% | (781) 983-9088 |
| 9 | CLEVELAND CLINIC | CLEVELAND | OH | PHYSICIAN ASSISTANT | 6828 | 608 | $54,112 | $89 | premium | 28.7% | — |
| 10 | STANFORD HEALTH CARE | STANFORD | CA | DIAGNOSTIC RADIOLOGY | 3039 | 594 | $89,333 | $150 | premium | 10.3% | (650) 723-4000 |
| 11 | MAYO CLINIC JACKSONVILLE | JACKSONVILLE | FL | NURSE PRACTITIONER | 1587 | 552 | $315,192 | $571 | premium | 12.9% | (904) 953-2000 |
| 12 | CHRISTUS TRINITY CLINIC | TYLER | TX | NURSE PRACTITIONER | 1495 | 485 | $50,925 | $105 | premium | 12.2% | (903) 606-5560 |
| 13 | SCRIPPS HEALTH | LA JOLLA | CA | PHYSICIAN ASSISTANT | 1431 | 473 | $52,520 | $111 | premium | 8.2% | (858) 455-9100 |
| 14 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 437 | $73,612 | $168 | premium | 7.6% | (415) 600-1020 |
| 15 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 430 | $68,370 | $159 | premium | 7.4% | (916) 681-8852 |
| 16 | FLORIDA CLINICAL PRACTICE ASSOCIATION INC | GAINESVILLE | FL | NURSE PRACTITIONER | 1912 | 397 | $67,464 | $170 | premium | 9.3% | (352) 265-8990 |
| 17 | EISENHOWER MEDICAL CENTER | RANCHO MIRAGE | CA | NURSE PRACTITIONER | 457 | 386 | $5,375 | $14 | premium | 6.7% | (760) 340-3911 |
| 18 | DIGESTIVE CARE OF EVANSVILLE PC | NEWBURGH | IN | NURSE PRACTITIONER | 27 | 354 | $53,742 | $152 | premium | 24.7% | (812) 477-6103 |
| 19 | TEXAS DIGESTIVE DISEASE CONSULTANTS, PLLC | DALLAS | TX | GASTROENTEROLOGY | 613 | 348 | $49,392 | $142 | premium | 8.7% | — |
| 20 | WEILL MEDICAL COLLEGE OF CORNELL | NEW YORK | NY | INTERNAL MEDICINE | 2053 | 306 | $139,800 | $457 | premium | 7.5% | (212) 746-5454 |
| 21 | MAYO CLINIC | ROCHESTER | MN | NURSE PRACTITIONER | 4896 | 300 | $71,298 | $238 | premium | 45.7% | (507) 284-2511 |
| 22 | VANDERBILT UNIVERSITY MEDICAL CENTER | NASHVILLE | TN | NURSE PRACTITIONER | 3394 | 296 | $14,800 | $50 | premium | 14.1% | (615) 322-5000 |
| 23 | VIRTUA MEDICAL GROUP, PA | VOORHEES | NJ | PHYSICIAN ASSISTANT | 1662 | 289 | $13,294 | $46 | premium | 26.7% | (856) 247-7260 |
| 24 | SSM HEALTH CARE GROUP | SAINT LOUIS | MO | NURSE PRACTITIONER | 921 | 277 | $23,545 | $85 | premium | 25.0% | (314) 977-7455 |
| 25 | MCV ASSOCIATED PHYSICIANS | RICHMOND | VA | NURSE PRACTITIONER | 1791 | 273 | $17,931 | $66 | premium | 16.3% | (804) 828-9000 |
| 26 | BON SECOURS-RICHMOND COMMUNITY HOSPITAL LLC | RICHMOND | VA | NURSE PRACTITIONER | 40 | 271 | $32,885 | $121 | premium | 16.2% | (804) 288-8900 |
| 27 | LIVER SPECIALISTS OF TEXAS PLLC | HOUSTON | TX | NURSE PRACTITIONER | 5 | 266 | $19,605 | $74 | premium | 6.7% | (713) 794-0700 |
| 28 | HENRY FORD HEALTH SYSTEM | DETROIT | MI | PHYSICIAN ASSISTANT | 2536 | 266 | $13,566 | $51 | premium | 33.0% | (313) 916-2600 |
| 29 | SPRINGFIELD CLINIC, LLP | SPRINGFIELD | IL | NURSE PRACTITIONER | 686 | 259 | $53,537 | $207 | premium | 12.8% | (217) 544-6464 |
| 30 | OCHSNER CLINIC LLC | NEW ORLEANS | LA | NURSE PRACTITIONER | 2839 | 255 | $9,180 | $36 | premium | 30.6% | (504) 842-3000 |
| 31 | ST PAUL PLACE SPECIALISTS, INC. | BALTIMORE | MD | PHYSICIAN ASSISTANT | 337 | 242 | $8,712 | $36 | premium | 71.2% | (410) 663-8100 |
| 32 | SAINT LUKES PHYSICIAN GROUP INC | KANSAS CITY | MO | NURSE PRACTITIONER | 1228 | 242 | $8,712 | $36 | premium | 21.8% | — |
| 33 | AUSTIN GASTROENTEROLOGY PLLC | AUSTIN | TX | GASTROENTEROLOGY | 80 | 234 | $17,550 | $75 | premium | 5.9% | (512) 454-4588 |
| 34 | WASHINGTON UNIVERSITY | SAINT LOUIS | MO | NURSE PRACTITIONER | 3070 | 226 | $30,692 | $136 | premium | 20.4% | (314) 747-3000 |
| 35 | DUKE HEALTH INTEGRATED PRACTICE INC | DURHAM | NC | PHYSICIAN ASSISTANT | 3051 | 226 | $16,099 | $71 | premium | 23.0% | (919) 684-8111 |
| 36 | LOUISIANA GASTROENTEROLOGY ASSOCIATES LLC | LAFAYETTE | LA | GASTROENTEROLOGY | 27 | 224 | $67,200 | $300 | premium | 26.9% | (337) 232-6697 |
| 37 | BRIGHAM AND WOMENS PHYSICIANS ORGANIZATION INC | BOSTON | NY | PHYSICIAN ASSISTANT | 2942 | 223 | $16,075 | $72 | premium | 5.4% | (617) 732-5500 |
| 38 | SOUTHCOAST PHYSICIANS GROUP INC | FALL RIVER | MA | NURSE PRACTITIONER | 868 | 217 | $26,252 | $121 | premium | 9.4% | (508) 973-5919 |
| 39 | GASTROINTESTINAL ASSOCIATES PA | FLOWOOD | MS | GASTROENTEROLOGY | 46 | 216 | $37,057 | $172 | premium | 24.2% | 6013551234562 |
| 40 | UNIVERSITY OF UTAH ADULT SERVICES | SALT LAKE CITY | UT | PHYSICIAN ASSISTANT | 1783 | 214 | $18,584 | $87 | premium | 27.4% | (801) 581-2121 |
| 41 | UNIVERSITY OF VIRGINIA PHYSICIANS GROUP | CHARLOTTESVILLE | VA | NURSE PRACTITIONER | 1704 | 211 | $8,018 | $38 | premium | 12.6% | (434) 924-5959 |
| 42 | RIVERSIDE PHYSICIAN SERVICES INC | NEWPORT NEWS | VA | PHYSICIAN ASSISTANT | 793 | 205 | $16,660 | $81 | premium | 12.2% | — |
| 43 | THE ASSOCIATION OF UNIVERSITY PHYSICIANS | SEATTLE | WA | PHYSICIAN ASSISTANT | 3612 | 201 | $6,472 | $32 | premium | 23.7% | (206) 364-0500 |
| 44 | IU HEALTH MEDICAL GROUP, LLC | INDIANAPOLIS | IN | NURSE PRACTITIONER | 4250 | 200 | $9,690 | $48 | premium | 14.0% | (888) 484-3258 |
| 45 | MEMORIAL GASTROENTEROLOGY GROUP | NEW YORK | NY | GASTROENTEROLOGY | 28 | 196 | $17,640 | $90 | premium | 4.8% | (212) 639-2000 |
| 46 | BORLAND GROOVER CLINIC, PA | JACKSONVILLE | FL | GASTROENTEROLOGY | 125 | 185 | $92,500 | $500 | premium | 4.3% | (904) 398-7205 |
| 47 | LIVER ASSOCIATES OF TEXAS, P.A. | HOUSTON | TX | GASTROENTEROLOGY | 3 | 184 | $26,245 | $143 | premium | 4.6% | 7137998300118 |
| 48 | CENTRAL CALIFORNIA FACULTY MEDICAL GROUP INC | FRESNO | CA | EMERGENCY MEDICINE | 252 | 179 | $10,746 | $60 | premium | 3.1% | (559) 459-6000 |
| 49 | HATTIESBURG CLINIC PA | HATTIESBURG | MS | FAMILY PRACTICE | 530 | 179 | $17,005 | $95 | premium | 20.0% | (601) 264-6000 |
| 50 | RUSH UNIVERSITY MEDICAL GROUP | CHICAGO | IL | PHYSICIAN ASSISTANT | 1496 | 174 | $7,308 | $42 | premium | 8.6% | (312) 563-2875 |
| 51 | GASTROENTEROLOGY ASSOCIATES OF NEW JERSEY LLC | TOMS RIVER | NJ | GASTROENTEROLOGY | 82 | 172 | $51,600 | $300 | premium | 15.9% | (732) 281-1590 |
| 52 | AE AND LY MEDICAL ASSOCIATES PLLC | HUNTINGTON | NY | GASTROENTEROLOGY | 5 | 171 | $17,100 | $100 | premium | 4.2% | (631) 629-4628 |
| 53 | REGENTS OF THE UNIVERSITY OF MICHIGAN | ANN ARBOR | MI | INTERNAL MEDICINE | 3330 | 171 | $25,560 | $149 | premium | 21.2% | (734) 763-5459 |
| 54 | AURORA MEDICAL GROUP, INC. | MILWAUKEE | WI | DIAGNOSTIC RADIOLOGY | 3696 | 167 | $29,475 | $176 | premium | 31.3% | (414) 421-8400 |
| 55 | UNIVERSITY HOSPITALS MEDICAL GROUP INC | CLEVELAND | OH | NURSE PRACTITIONER | 2232 | 164 | $6,068 | $37 | premium | 7.7% | — |
| 56 | HOLSTON MEDICAL GROUP PC | BRISTOL | TN | NURSE PRACTITIONER | 244 | 162 | $11,340 | $70 | premium | 7.7% | (423) 844-7000 |
| 57 | UNIVERSITY GASTROENTEROLOGY, LLC | PROVIDENCE | RI | GASTROENTEROLOGY | 100 | 155 | $23,250 | $150 | premium | 91.7% | (401) 421-8800 |
| 58 | YALE UNIVERSITY | NEW HAVEN | CT | PHYSICIAN ASSISTANT | 2649 | 154 | $38,500 | $250 | premium | 27.3% | (203) 688-4242 |
| 59 | HEALTH FIRST MEDICAL GROUP, LLC | MELBOURNE | FL | NURSE PRACTITIONER | 669 | 149 | $10,876 | $73 | premium | 3.5% | (321) 434-8878 |
| 60 | MARTIN MEMORIAL MEDICAL CENTER INC | STUART | FL | PHYSICIAN ASSISTANT | 504 | 148 | $52,836 | $357 | premium | 3.5% | (772) 223-5665 |
| 61 | PREMIER MEDICAL GROUP OF THE HUDSON VALLEY PC | POUGHKEEPSIE | NY | NURSE PRACTITIONER | 131 | 146 | $12,410 | $85 | premium | 3.6% | — |
| 62 | BEAUMONT MEDICAL GROUP- SPECIALTY SERVICES | ROYAL OAK | MI | PHYSICIAN ASSISTANT | 833 | 145 | $10,099 | $70 | premium | 18.0% | (248) 898-5058 |
| 63 | ATLANTIC GASTROENTEROLOGY PC | BROOKLYN | FL | GASTROENTEROLOGY | 7 | 144 | $5,256 | $37 | premium | 3.4% | (718) 615-4001 |
| 64 | ADVANCED DIGESTIVE CENTER, INC | HOLMDEL | NJ | GASTROENTEROLOGY | 2 | 141 | $7,050 | $50 | premium | 13.0% | (732) 888-4800 |
| 65 | ALAMEDA HEALTH SYSTEM | OAKLAND | CA | INTERNAL MEDICINE | 601 | 141 | $16,945 | $120 | premium | 2.4% | (510) 437-4800 |
| 66 | PRATT MEDICAL GROUP INC | BOSTON | MA | INTERNAL MEDICINE | 277 | 141 | $16,037 | $114 | premium | 6.1% | (617) 636-5000 |
| 67 | CLEVELAND CLINIC FLORIDA | WESTON | FL | NURSE PRACTITIONER | 720 | 140 | $10,500 | $75 | premium | 3.3% | (954) 659-5000 |
| 68 | UNIVERSITY PHYSICIANS INCORPORATED | AURORA | CO | PHYSICIAN ASSISTANT | 3122 | 140 | $10,360 | $74 | premium | 29.2% | (720) 777-1234 |
| 69 | LEHIGH VALLEY PHYSICIAN GROUP | ALLENTOWN | PA | PHYSICIAN ASSISTANT | 2389 | 140 | $10,500 | $75 | premium | 9.3% | — |
| 70 | UNIVERSITY OF ARKANSAS FOR MEDICAL SCIENCES | LITTLE ROCK | AR | NURSE PRACTITIONER | 1241 | 138 | $6,348 | $46 | premium | 41.3% | (501) 686-8000 |
| 71 | UNIVERSITY OF LOUISVILLE PHYSICIANS INC | LOUISVILLE | KY | NURSE PRACTITIONER | 1442 | 137 | $4,795 | $35 | premium | 21.2% | (502) 629-2398 |
| 72 | CAPE RADIOLOGY GROUP PC | CAPE GIRARDEAU | MO | DIAGNOSTIC RADIOLOGY | 53 | 134 | $5,628 | $42 | premium | 12.1% | (573) 334-6071 |
| 73 | EINSTEIN PRACTICE PLAN INC | PHILADELPHIA | PA | DIAGNOSTIC RADIOLOGY | 740 | 134 | $15,920 | $119 | premium | 8.9% | (215) 456-8242 |
| 74 | GRAND JUNCTION GASTROENTEROLOGY PLLC | GRAND JUNCTION | NE | GASTROENTEROLOGY | 12 | 133 | $13,300 | $100 | premium | 57.8% | (970) 242-6600 |
| 75 | STONY BROOK INTERNISTS UNIVERSITY FACULTY PRACTICE CORPORATION | STONY BROOK | NY | HOSPITALIST | 414 | 132 | $19,800 | $150 | premium | 3.2% | (631) 444-1560 |
| 76 | USC CARE MEDICAL GROUP INC | LOS ANGELES | CA | DIAGNOSTIC RADIOLOGY | 1374 | 132 | $7,260 | $55 | premium | 2.3% | (800) 872-2273 |
| 77 | USA HEALTH PHYSICIAN BILLING SERVICES LLC | MOBILE | AL | NURSE PRACTITIONER | 353 | 131 | $5,262 | $40 | premium | 72.0% | (251) 471-7000 |
| 78 | OSU INTERNAL MEDICINE LLC | COLUMBUS | OH | NURSE PRACTITIONER | 1155 | 130 | $6,025 | $46 | premium | 6.1% | (614) 293-8000 |
| 79 | ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI | NEW YORK | NJ | PHYSICIAN ASSISTANT | 2818 | 128 | $7,680 | $60 | premium | 11.8% | (212) 241-4812 |
| 80 | NCHMD INC | NAPLES | FL | NEUROLOGY | 515 | 126 | $9,828 | $78 | premium | 3.0% | (239) 436-5100 |
| 81 | KANSAS UNIVERSITY PHYSICIANS INC | KANSAS CITY | KS | NURSE PRACTITIONER | 1815 | 126 | $17,415 | $138 | premium | 51.0% | (913) 588-1227 |
| 82 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | NY | PHYSICIAN ASSISTANT | 6294 | 126 | $23,184 | $184 | premium | 3.1% | — |
| 83 | PENINSULA CANCER INSTITUTE, LLC | NEWPORT NEWS | VA | HEMATOLOGY/ONCOLOGY | 29 | 125 | $14,685 | $117 | premium | 7.5% | (757) 534-5555 |
| 84 | UNIVERSITY OF MIAMI | MIAMI | FL | NURSE PRACTITIONER | 2331 | 125 | $33,125 | $265 | premium | 2.9% | (305) 689-5437 |
| 85 | LOS PALOS GASTROENTEROLOGY SPECIALISTS INC | SALINAS | CA | GASTROENTEROLOGY | 5 | 119 | $14,875 | $125 | premium | 2.1% | (831) 424-8888 |
| 86 | MARY HITCHCOCK MEMORIAL HOSPITAL | LEBANON | NH | NURSE PRACTITIONER | 1270 | 118 | $3,408 | $29 | premium | 39.5% | (603) 650-5000 |
| 87 | RHODE ISLAND MEDICAL IMAGING INC | EAST PROVIDENCE | MA | DIAGNOSTIC RADIOLOGY | 109 | 117 | $4,426 | $38 | premium | 5.0% | (401) 626-3900 |
| 88 | OLYMPIA MULTI SPECIALTY CLINIC | OLYMPIA | WA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 20 | 115 | $8,625 | $75 | premium | 13.6% | (360) 754-1727 |
| 89 | ORLANDO HEALTH MEDICAL GROUP INC | ORLANDO | FL | PHYSICIAN ASSISTANT | 2145 | 114 | $10,146 | $89 | premium | 2.7% | (407) 896-1100 |
| 90 | ZUHDI TRANSPLANT PHYSICIANS | OKLAHOMA CITY | OK | NURSE PRACTITIONER | 51 | 114 | $4,154 | $36 | premium | 45.1% | (405) 947-5557 |
| 91 | ENDEAVOR HEALTH MEDICAL GROUP | EVANSTON | IL | NURSE PRACTITIONER | 3380 | 114 | $4,218 | $37 | premium | 5.6% | — |
| 92 | THE METROHEALTH SYSTEM | CLEVELAND | OH | NURSE PRACTITIONER | 1175 | 112 | $4,928 | $44 | premium | 5.3% | (216) 778-7800 |
| 93 | RENAISSANCE GASTROENTEROLOGY | EDINBURG | TX | GASTROENTEROLOGY | 19 | 111 | $9,657 | $87 | premium | 2.8% | (956) 362-3636 |
| 94 | WINCHESTER GASTROENTEROLOGY ASSOCIATES | WINCHESTER | VA | PHYSICIAN ASSISTANT | 15 | 111 | $10,878 | $98 | premium | 6.6% | 5406671244234 |
| 95 | REGENTS OF THE UNIV OF CA | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 1608 | 111 | $5,883 | $53 | premium | 1.9% | (877) 827-7463 |
| 96 | UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL CENTER AT DALLAS | DALLAS | TX | PHYSICIAN ASSISTANT | 3200 | 111 | $15,873 | $143 | premium | 2.8% | (214) 633-5555 |
| 97 | MEDHEALTH | DALLAS | TX | PHYSICIAN ASSISTANT | 430 | 110 | $36,300 | $330 | premium | 2.8% | (214) 599-8624 |
| 98 | ST VINCENT HOSPITAL-HOSPITAL SISTERS-THIRD ORDER OF ST FRANCIS | GREEN BAY | WI | PHYSICIAN ASSISTANT | 604 | 110 | $37,950 | $345 | premium | 20.6% | (920) 496-4700 |
| 99 | NUVANCE HEALTH MEDICAL PRACTICE CT INC | DANBURY | CT | PHYSICIAN ASSISTANT | 748 | 109 | $14,279 | $131 | premium | 19.3% | (203) 739-7118 |
| 100 | CARLE HEALTH CARE INCORPORATED | URBANA | IL | NURSE PRACTITIONER | 1528 | 109 | $12,535 | $115 | premium | 5.4% | (888) 712-2753 |
Showing the top 100 of 369 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 →