127,152 observed fee-for-service (49%) · ~130,156 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.
Chronic kidney disease prevalence:
0.8–5.0% of adults
across 54 reporting states
(CDC BRFSS 2023–2024, age-adjusted state estimates).
Highest:
GU 5.0% · KY 4.6% · WV 4.6% · LA 4.4% · SC 4.4%
CDC-published US estimate: 3.9% (BRFSS 2024, crude prevalence — not age-adjusted, so not directly comparable to the state figures above).
CDC BRFSS prevalence is survey data covering all-payer adults 18 and older; Nevvi utilization counts Medicare fee-for-service only, largely 65 and older. The two appear side by side as context — Nevvi never combines them into a score, rating, or ranking. See Methods.
- 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 | 90966 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 | METROLINA NEPHROLOGY ASSOCIATES PA | CHARLOTTE | NC | NEPHROLOGY | 87 | 1,892 | $1,513,600 | $800 | premium | 23.5% | (704) 731-6451 |
| 2 | SOUTHWEST KIDNEY INSTITUTE PLC | PHOENIX | AZ | NEPHROLOGY | 97 | 1,865 | $1,057,036 | $567 | premium | 45.5% | (623) 247-9235 |
| 3 | FLORIDA KIDNEY PHYSICIANS LLC | TAMPA | FL | NEPHROLOGY | 165 | 1,695 | $970,773 | $573 | premium | 15.2% | (813) 910-8708 |
| 4 | NATIONAL KIDNEY PARTNERS LLP | HUDSON | FL | NEPHROLOGY | 61 | 1,558 | $922,331 | $592 | premium | 14.0% | (727) 863-5418 |
| 5 | NEPHROLOGY ASSOCIATES OF NORTHERN ILLINOIS LTD | ELK GROVE VILLAGE | IL | NEPHROLOGY | 115 | 1,319 | $832,132 | $631 | premium | 12.1% | (847) 981-3680 |
| 6 | DALLAS NEPHROLOGY ASSOCIATES | DALLAS | TX | NEPHROLOGY | 154 | 1,252 | $976,560 | $780 | premium | 8.7% | (214) 358-2300 |
| 7 | NEPHROLOGY ASSOCIATES OF NORTHERN INDIANA PC | FORT WAYNE | IN | NEPHROLOGY | 68 | 1,021 | $546,460 | $535 | premium | 26.6% | (260) 494-3484 |
| 8 | EASTERN NEPHROLOGY ASSOCIATES PLLC | GREENVILLE | NC | NEPHROLOGY | 77 | 967 | $507,640 | $525 | premium | 12.0% | (252) 752-8880 |
| 9 | TIDEWATER KIDNEY SPECIALISTS INC | NORFOLK | VA | NEPHROLOGY | 21 | 964 | $699,315 | $725 | premium | 16.5% | (757) 623-0005 |
| 10 | NEPHROLOGY ASSOCIATES, PC | COLUMBIA | TN | NEPHROLOGY | 40 | 927 | $880,650 | $950 | premium | 20.9% | (931) 388-3209 |
| 11 | MID-ATLANTIC NEPHROLOGY ASSOCIATES PA | OWINGS MILLS | MD | NEPHROLOGY | 57 | 915 | $707,798 | $774 | premium | 18.6% | (410) 602-7792 |
| 12 | NKDHC RUDNITSKY PLLC | LAS VEGAS | NV | NEPHROLOGY | 45 | 869 | $623,157 | $717 | premium | 37.7% | (702) 732-2438 |
| 13 | CAROLINA NEPHROLOGY PA | GREENVILLE | SC | NURSE PRACTITIONER | 37 | 863 | $370,227 | $429 | premium | 18.7% | — |
| 14 | NORTH CAROLINA NEPHROLOGY PA | RALEIGH | NC | NEPHROLOGY | 58 | 862 | $452,550 | $525 | premium | 10.7% | (919) 231-3966 |
| 15 | MOUNTAIN KIDNEY AND HYPERTENSION ASSOCIATES PA | ASHEVILLE | NC | NURSE PRACTITIONER | 18 | 859 | $595,287 | $693 | premium | 10.7% | (828) 258-8545 |
| 16 | NEPHROLOGY ASSOCIATES PA | NEWARK | DE | NEPHROLOGY | 53 | 780 | $514,800 | $660 | premium | 71.3% | (302) 225-0451 |
| 17 | THE NEPHROLOGY GROUP INC | FRESNO | CA | NEPHROLOGY | 51 | 773 | $578,445 | $748 | premium | 4.9% | (559) 228-9660 |
| 18 | RENAL ASSOCIATES, P.A. | SAN ANTONIO | TX | NEPHROLOGY | 39 | 751 | $404,131 | $538 | premium | 5.2% | (210) 403-7978 |
| 19 | RICHMOND NEPHROLOGY ASSOCIATES INC | RICHMOND | VA | PHYSICIAN ASSISTANT | 24 | 733 | $611,221 | $834 | premium | 12.6% | (804) 323-6903 |
| 20 | NEPHROLOGY ASSOCIATES, PC | BIRMINGHAM | AL | NEPHROLOGY | 31 | 721 | $346,080 | $480 | premium | 21.4% | (205) 226-5900 |
| 21 | SPRINGFIELD NEPHROLOGY ASSOCIATES INC | SPRINGFIELD | MO | NURSE PRACTITIONER | 13 | 717 | $434,502 | $606 | premium | 15.2% | (417) 886-5000 |
| 22 | INDIANA NEPHROLOGY AND INTERNAL MEDICINE PC | INDIANAPOLIS | IN | NEPHROLOGY | 34 | 711 | $319,950 | $450 | premium | 18.5% | (317) 574-4747 |
| 23 | WEST COAST KIDNEY | WALNUT CREEK | CA | NEPHROLOGY | 55 | 698 | $471,890 | $676 | premium | 4.4% | (925) 944-0351 |
| 24 | CHARLESTON NEPHROLOGY ASSOCIATES, LLC | NORTH CHARLESTON | SC | NEPHROLOGY | 17 | 697 | $476,051 | $683 | premium | 15.1% | (843) 767-9260 |
| 25 | NEPHROLOGY ASSOCIATES OF KENTUCKIANA PSC | LOUISVILLE | KY | NEPHROLOGY | 38 | 676 | $304,200 | $450 | premium | 29.2% | (502) 587-9660 |
| 26 | AUSTIN KIDNEY ASSOCIATES PA | AUSTIN | TX | NEPHROLOGY | 32 | 661 | $1,189,800 | $1,800 | premium | 4.6% | (512) 320-1500 |
| 27 | PENSACOLA NEPHROLOGY PA | PENSACOLA | FL | NEPHROLOGY | 37 | 656 | $328,000 | $500 | premium | 5.9% | (850) 444-4700 |
| 28 | COLUMBIA NEPHROLOGY ASSOCIATES PA | COLUMBIA | SC | NEPHROLOGY | 33 | 647 | $464,546 | $718 | premium | 14.0% | 80325299071124 |
| 29 | ASSOCIATES IN NEPHROLOGY SC | CHICAGO | IL | NEPHROLOGY | 52 | 647 | $487,191 | $753 | premium | 5.9% | (312) 654-2721 |
| 30 | RNA OF ROCKFORD, PLLC | ROCKFORD | IL | NEPHROLOGY | 18 | 638 | $360,946 | $566 | premium | 5.8% | (815) 227-8300 |
| 31 | CAPITAL NEPHROLOGY MEDICAL GROUP | SACRAMENTO | CA | NEPHROLOGY | 22 | 634 | $316,366 | $499 | premium | 4.0% | (916) 564-6232 |
| 32 | BALBOA NEPHROLOGY MEDICAL GROUP INC | SAN DIEGO | CA | NEPHROLOGY | 80 | 578 | $350,846 | $607 | premium | 3.6% | (619) 582-4490 |
| 33 | RENAL SPECIALISTS OF HOUSTON, PA | HOUSTON | TX | NEPHROLOGY | 24 | 569 | $337,144 | $593 | premium | 4.0% | — |
| 34 | NEPHROLOGY AND ENDOCRINE ASSOCIATES INC | LAS VEGAS | NV | NEPHROLOGY | 63 | 562 | $514,620 | $916 | premium | 24.4% | (702) 877-1887 |
| 35 | GOLDEN PACIFIC NEPHROLOGY MEDICAL CLINIC INC | MONTEREY PARK | CA | NEPHROLOGY | 4 | 560 | $420,000 | $750 | premium | 3.5% | (626) 280-0676 |
| 36 | KIDNEY DISEASE MEDICAL GROUP INC | GLENDALE | CA | NEPHROLOGY | 8 | 558 | $316,457 | $567 | premium | 3.5% | (818) 500-4055 |
| 37 | ST CLAIR SPECIALTY PHYSICIANS PC | ROSEVILLE | MI | NEPHROLOGY | 35 | 557 | $264,575 | $475 | premium | 9.5% | (586) 871-3686 |
| 38 | AKDHC LLC | PHOENIX | AZ | NEPHROLOGY | 129 | 547 | $312,993 | $572 | premium | 13.4% | (602) 200-8288 |
| 39 | WASHINGTON NEPHROLOGY ASSOCIATES LLP | ALEXANDRIA | MD | NEPHROLOGY | 30 | 536 | $401,641 | $749 | premium | 10.9% | (703) 461-3556 |
| 40 | RENALCARE ASSOCIATES, S.C. | PEORIA | IL | NEPHROLOGY | 48 | 531 | $315,600 | $594 | premium | 4.9% | (309) 676-8123 |
| 41 | PARAGON HEALTH PC | KALAMAZOO | MI | NEPHROLOGY | 51 | 529 | $390,095 | $737 | premium | 9.0% | (269) 382-3012 |
| 42 | J. HAMILTON LICHT, M.D., P.C. | YAKIMA | WA | NEPHROLOGY | 3 | 528 | $213,840 | $405 | premium | 16.2% | 5092486292102 |
| 43 | DALLAS RENAL GROUP, P.A. | DALLAS | TX | NEPHROLOGY | 50 | 523 | $376,126 | $719 | premium | 3.6% | (888) 616-6322 |
| 44 | CLINICAL RENAL ASSOCIATES LLC | CHESTER | PA | NEPHROLOGY | 33 | 508 | $305,073 | $601 | premium | 9.0% | (610) 872-8501 |
| 45 | NEPHROLOGY ASSOCIATES OF LANCASTER, LTD | LANCASTER | PA | NEPHROLOGY | 20 | 503 | $290,231 | $577 | premium | 8.9% | (717) 544-3232 |
| 46 | NEPHROLOGY ASSOCIATES MEDICAL GROUP INC | RIVERSIDE | CA | NEPHROLOGY | 63 | 494 | $365,560 | $740 | premium | 3.1% | (951) 687-2800 |
| 47 | NE NEPHROLOGY HOME CARE ASSOCIATES | DORCHESTER | MA | NEPHROLOGY | 9 | 481 | $421,708 | $877 | premium | 25.5% | (617) 739-2100 |
| 48 | NEPHROLOGY ASSOCIATES OF MICHIGAN PC | YPSILANTI | MI | NURSE PRACTITIONER | 21 | 480 | $341,800 | $712 | premium | 8.2% | (734) 715-1706 |
| 49 | CAROLINA KIDNEY CARE PA | FAYETTEVILLE | NC | NURSE PRACTITIONER | 24 | 466 | $237,660 | $510 | premium | 5.8% | (910) 484-8114 |
| 50 | ASSOCIATES IN NEPHROLOGY BUTCHER AND DEVACAANTHAN MD PA | FORT MYERS | FL | NEPHROLOGY | 22 | 460 | $328,362 | $714 | premium | 4.1% | (239) 939-0999 |
| 51 | NEPHROLOGY CLINIC PC | FORT COLLINS | CO | NEPHROLOGY | 17 | 452 | $194,080 | $429 | premium | 23.0% | (970) 493-7733 |
| 52 | SOUTH MISSISSIPPI NEPHROLOGY, PLLC | GULFPORT | MS | NEPHROLOGY | 9 | 436 | $305,200 | $700 | premium | 13.0% | (228) 863-5705 |
| 53 | NEPHROLOGY ASSOCIATES, PC | COLUMBUS | MS | NEPHROLOGY | 5 | 432 | $181,008 | $419 | premium | 12.9% | (662) 329-3838 |
| 54 | NEPHROLOGY ASSOCIATES OF MOBILE, P.A. | MOBILE | AL | NEPHROLOGY | 40 | 425 | $280,925 | $661 | premium | 12.6% | (251) 343-5004 |
| 55 | THE KIDNEY CLINIC LLC | LAKE CHARLES | LA | NEPHROLOGY | 4 | 422 | $265,860 | $630 | premium | 16.7% | (337) 494-7090 |
| 56 | ADVANCED KIDNEY INSTITUTE, L.L.C. | MARION | IL | NEPHROLOGY | 2 | 421 | $286,280 | $680 | premium | 3.9% | (618) 997-8412 |
| 57 | RENAL CONSULTANTS | LITTLE ROCK | AR | NEPHROLOGY | 5 | 411 | $115,619 | $281 | premium | 14.0% | (501) 224-2141 |
| 58 | ST LUKES CLINIC-TREASURE VALLEY LLC | BOISE | ID | PHYSICIAN ASSISTANT | 1159 | 410 | $234,862 | $573 | premium | 27.3% | (208) 381-4210 |
| 59 | SNOKIDNEY PLLC | EVERETT | WA | NEPHROLOGY | 11 | 409 | $236,703 | $579 | premium | 12.6% | (425) 339-5413 |
| 60 | NORTHWEST RENAL CLINIC INC | PORTLAND | OR | NEPHROLOGY | 41 | 407 | $302,956 | $744 | premium | 26.2% | (503) 292-7704 |
| 61 | UNIVERSITY OF ALABAMA HEALTH SERVICES FOUNDATION, PC | BIRMINGHAM | AL | NURSE PRACTITIONER | 2788 | 407 | $362,230 | $890 | premium | 12.1% | (205) 934-3460 |
| 62 | UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL CENTER AT DALLAS | DALLAS | TX | PHYSICIAN ASSISTANT | 3200 | 401 | $366,915 | $915 | premium | 2.8% | (214) 633-5555 |
| 63 | WICHITA NEPHROLOGY GROUP PA | WICHITA | KS | NEPHROLOGY | 12 | 400 | $335,344 | $838 | premium | 17.1% | (316) 268-5000 |
| 64 | COTTON-O'NEIL CLINIC REVOCABLE TRUST | TOPEKA | KS | NURSE PRACTITIONER | 649 | 394 | $179,861 | $456 | premium | 16.8% | (785) 354-9591 |
| 65 | RENAL MEDICINE ASSOCIATES LTD. | ALBUQUERQUE | NM | NURSE PRACTITIONER | 36 | 394 | $325,173 | $825 | premium | 16.3% | (505) 994-7400 |
| 66 | YUMA NEPHROLOGY PC | YUMA | AZ | NEPHROLOGY | 9 | 393 | $303,081 | $771 | premium | 9.6% | (928) 329-8331 |
| 67 | RIVERSIDE PHYSICIAN SERVICES INC | NEWPORT NEWS | VA | PHYSICIAN ASSISTANT | 793 | 389 | $183,219 | $471 | premium | 6.7% | — |
| 68 | MID-SOUTH NEPHROLOGY CONSULTANTS PLLC | MEMPHIS | TN | NEPHROLOGY | 13 | 389 | $297,290 | $764 | premium | 8.8% | (901) 547-6401 |
| 69 | NEPHROLOGY AND HYPERTENSION ASSOCIATES LTD | TUPELO | MS | NEPHROLOGY | 19 | 384 | $331,776 | $864 | premium | 11.5% | (662) 844-4711 |
| 70 | CENTRAL TEXAS NEPHROLOGY ASSOCIATES, P.A. | HILLSBORO | TX | NEPHROLOGY | 14 | 381 | $173,600 | $456 | premium | 2.7% | (254) 582-5442 |
| 71 | NEPHROLOGY ASSOCIATES PA | NORTH LITTLE ROCK | AR | NEPHROLOGY | 12 | 375 | $131,950 | $352 | premium | 12.8% | (501) 955-0320 |
| 72 | KIDNEY DISEASE AND MEDICINE SPECIALTY CONSULTANTS LLC | CARBONDALE | IL | NEPHROLOGY | 5 | 374 | $299,200 | $800 | premium | 3.4% | (618) 529-2955 |
| 73 | NEPHROLOGY ASSOCIATES OF UTAH LLC | S SALT LAKE | UT | NEPHROLOGY | 28 | 373 | $267,436 | $717 | premium | 24.9% | (801) 288-2634 |
| 74 | DENVER NEPHROLOGISTS PC | DENVER | CO | NEPHROLOGY | 43 | 369 | $266,787 | $723 | premium | 18.8% | (303) 991-0993 |
| 75 | NEPHROLOGY ASSOCIATES OF TIDEWATER LTD | NORFOLK | VA | NEPHROLOGY | 25 | 368 | $211,600 | $575 | premium | 6.3% | (757) 466-9288 |
| 76 | MICHIGAN KIDNEY CONSULTANTS PC | TROY | MI | NEPHROLOGY | 45 | 365 | $415,750 | $1,139 | premium | 6.2% | (248) 267-5010 |
| 77 | PROVIDENCE HEALTH AND SERVICES WASHINGTON | SPOKANE | WA | PHYSICIAN ASSISTANT | 771 | 361 | $321,290 | $890 | premium | 11.1% | — |
| 78 | SPRINGFIELD CLINIC, LLP | SPRINGFIELD | IL | NURSE PRACTITIONER | 686 | 356 | $439,050 | $1,233 | premium | 3.3% | (217) 544-6464 |
| 79 | RICHARD F WALKER JR MD NEPHROLOGY ASSOCIATES PA | PANAMA CITY | FL | NURSE PRACTITIONER | 9 | 351 | $252,053 | $718 | premium | 3.1% | (850) 769-2158 |
| 80 | UNIVERSITY OF WISCONSIN MEDICAL FOUNDATION INC | MADISON | WI | PHYSICIAN ASSISTANT | 2523 | 349 | $360,517 | $1,033 | premium | 15.9% | (608) 287-2050 |
| 81 | NEPHROLOGY AND INTERNAL MEDICINE PC | FLINT | MI | NEPHROLOGY | 9 | 348 | $243,600 | $700 | premium | 5.9% | (810) 238-4172 |
| 82 | KERN NEPHROLOGY MEDICAL GROUP | BAKERSFIELD | CA | NEPHROLOGY | 6 | 346 | $207,600 | $600 | premium | 2.2% | (661) 324-4721 |
| 83 | KIDNEY DISEASE AND HYPERTENSION CONSULTANTS PC | FLINT | MI | NEPHROLOGY | 8 | 346 | $190,300 | $550 | premium | 5.9% | (810) 230-9901 |
| 84 | NEW YORK NEPHROLOGY AND DIALYSIS ACCESS SURGERY, P.C. | ALBANY | NY | NEPHROLOGY | 18 | 345 | $172,500 | $500 | premium | 7.2% | (518) 434-2244 |
| 85 | W SCOTT MOORE ET AL PTR | WINSTON SALEM | NC | NEPHROLOGY | 12 | 343 | $142,467 | $415 | premium | 4.3% | (336) 768-2425 |
| 86 | TYLER NEPHROLOGY ASSOCIATES PA | TYLER | TX | NEPHROLOGY | 24 | 342 | $162,450 | $475 | premium | 2.4% | (903) 595-5486 |
| 87 | IDAHO KIDNEY INSTITUTE LLP | CHUBBUCK | ID | NEPHROLOGY | 14 | 340 | $194,140 | $571 | premium | 22.7% | (208) 904-4780 |
| 88 | RIVERSIDE NEPHROLOGY ASSOCIATES INC | COLUMBUS | OH | NEPHROLOGY | 21 | 340 | $127,500 | $375 | premium | 6.9% | (614) 538-2250 |
| 89 | THE ROGOSIN INSTITUTE, INC. | NEW YORK | NY | NEPHROLOGY | 25 | 340 | $563,788 | $1,658 | premium | 7.1% | (212) 746-1578 |
| 90 | NEPHROLOGY PHYSICIANS, LLC | MISHAWAKA | IN | NEPHROLOGY | 12 | 337 | $182,991 | $543 | premium | 8.8% | (574) 273-6767 |
| 91 | EAST BAY NEPHROLOGY MEDICAL GROUP INC | BERKELEY | CA | NEPHROLOGY | 31 | 337 | $228,016 | $677 | premium | 2.1% | (510) 841-0411 |
| 92 | NEPHROLOGY ASSOCIATES, INC. | TULSA | OK | NEPHROLOGY | 20 | 332 | $213,580 | $643 | premium | 8.2% | (918) 747-5200 |
| 93 | M REZA MIZANI MD PA | SAN ANTONIO | TX | NEPHROLOGY | 29 | 326 | $284,272 | $872 | premium | 2.3% | (210) 265-8155 |
| 94 | HAWAII KIDNEY SPECIALISTS LLP | HONOLULU | HI | NEPHROLOGY | 27 | 324 | $242,783 | $749 | premium | 29.1% | (808) 523-0445 |
| 95 | ARKANSAS RENAL GROUP PA | HOT SPRINGS | AR | NEPHROLOGY | 16 | 322 | $241,500 | $750 | premium | 11.0% | (501) 624-6000 |
| 96 | ST CLAIR SPECIALTY PHYSICIANS PC | ROSEVILLE | ID | NEPHROLOGY | 35 | 322 | $185,150 | $575 | premium | 21.5% | (586) 871-3686 |
| 97 | SOUTHERN CALIFORNIA KIDNEY CONSULTANTS INC | GARDEN GROVE | CA | NEPHROLOGY | 21 | 321 | $125,511 | $391 | premium | 2.0% | (714) 636-2890 |
| 98 | UNIVERSITY OF MARYLAND PHYSICIANS PA | BALTIMORE | MD | NURSE PRACTITIONER | 396 | 320 | $163,200 | $510 | premium | 6.5% | (410) 328-7877 |
| 99 | WASHINGTON UNIVERSITY | SAINT LOUIS | MO | NURSE PRACTITIONER | 3070 | 317 | $534,145 | $1,685 | premium | 6.7% | (314) 747-3000 |
| 100 | BRALOW MEDICAL GROUP | PHILADELPHIA | PA | FAMILY PRACTICE | 2 | 317 | $126,800 | $400 | premium | 5.6% | (215) 832-0130 |
Showing the top 100 of 595 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 →