J2919 — Injection, methylprednisolone sodium succinate, 5 mg
1,607,111 observed fee-for-service (49%) · ~1,682,976 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 | J2919 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 139,825 | $139,825 | $1 | premium | 53.6% | — |
| 2 | FLORIDA CANCER SPECIALISTS AND RESEARCH INSTITUTE, LLC | FORT MYERS | FL | HEMATOLOGY/ONCOLOGY | 437 | 105,973 | $105,973 | $1 | premium | 26.9% | (239) 561-9622 |
| 3 | TEXOMA NEUROLOGY ASSOCIATES, PA | PLANO | TX | NEUROLOGY | 25 | 33,125 | $22,525 | $1 | premium | 14.7% | 90389351414310 |
| 4 | ONCOLOGY SPECIALTIES, P.C. | HUNTSVILLE | AL | NURSE PRACTITIONER | 93 | 30,728 | $153,640 | $5 | premium | 42.9% | (256) 705-4224 |
| 5 | INNOVATIVE INFUSIONS LLC | AUSTIN | TX | NURSE PRACTITIONER | 106 | 30,198 | $69,527 | $2 | premium | 13.4% | (512) 261-4800 |
| 6 | ONCOLOGY-HEMATOLOGY ASSOCIATES OF CENTRAL ILLINOIS P C | PEORIA | IL | NURSE PRACTITIONER | 62 | 23,968 | $36,542 | $2 | premium | 9.2% | (309) 243-3000 |
| 7 | DUPAGE MEDICAL GROUP LTD | GLEN ELLYN | IL | PHYSICIAN ASSISTANT | 1323 | 19,579 | $19,579 | $1 | premium | 7.5% | (630) 469-9200 |
| 8 | OKLAHOMA ARTHRITIS CENTER, P.C. | EDMOND | OK | PHYSICIAN ASSISTANT | 45 | 15,578 | $339,425 | $22 | premium | 37.1% | — |
| 9 | TENNESSEE CANCER SPECIALISTS PLLC | KNOXVILLE | TN | NURSE PRACTITIONER | 65 | 15,050 | $15,752 | $1 | premium | 13.9% | (865) 934-5800 |
| 10 | THE WEST CLINIC P.C. | GERMANTOWN | TN | NURSE PRACTITIONER | 113 | 14,164 | $13,456 | $1 | premium | 13.0% | (901) 683-0055 |
| 11 | CAROLINA RHEUMATOLOGY AND NEUROLOGY | MYRTLE BEACH | SC | RHEUMATOLOGY | 6 | 13,078 | $4,940 | $0 | premium | 20.0% | (843) 692-0968 |
| 12 | INFUSEABLE HEALTHCARE, LLC | SCOTTSDALE | WI | GASTROENTEROLOGY | 2 | 12,956 | $12,668 | $1 | premium | 62.5% | (480) 927-3800 |
| 13 | ROSWELL PARK CANCER INSTITUTE | BUFFALO | NY | NURSE PRACTITIONER | 502 | 12,566 | $12,566 | $1 | premium | 10.7% | (716) 845-2300 |
| 14 | CENTRAL ARKANSAS RADIATION THERAPY INSTITUTE INC | LITTLE ROCK | AR | HEMATOLOGY/ONCOLOGY | 90 | 12,080 | $36,240 | $3 | premium | 26.2% | — |
| 15 | CANCER CENTER OF KANSAS PA | WICHITA | KS | HEMATOLOGY/ONCOLOGY | 27 | 11,924 | $14,272 | $1 | premium | 58.9% | (316) 262-4467 |
| 16 | WATSON CLINIC LLP | LAKELAND | FL | NURSE PRACTITIONER | 363 | 11,866 | $23,756 | $2 | premium | 3.0% | (863) 680-7780 |
| 17 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | MI | NURSE PRACTITIONER | 4339 | 11,828 | $11,828 | $1 | premium | 14.8% | — |
| 18 | UNIVERSITY NEUROLOGY, INC | BUFFALO | NY | NEUROLOGY | 40 | 11,765 | $9,880 | $1 | premium | 10.0% | (716) 859-3720 |
| 19 | ARTHRITIS HEALTH ASSOCIATES PLLC | SYRACUSE | NY | RHEUMATOLOGY | 5 | 11,761 | $6,421 | $1 | premium | 10.0% | (315) 475-7669 |
| 20 | HEM ONC ASSOCIATES OF THE TREASURE COAST, PA | PORT SAINT LUCIE | FL | HEMATOLOGY/ONCOLOGY | 6 | 11,560 | $13,936 | $1 | premium | 2.9% | (772) 335-5666 |
| 21 | INFUSION EXPRESS OF TENNESSEE PC | BRENTWOOD | TN | NURSE PRACTITIONER | 42 | 10,797 | $8,815 | $1 | premium | 9.9% | (615) 510-6002 |
| 22 | TRUE NORTH MEDICAL AT NORTH SUFFOLK, PLLC | COMMACK | NY | NEUROLOGY | 20 | 10,700 | $8,988 | $1 | premium | 9.1% | (631) 364-9119 |
| 23 | BROMLEY NEUROLOGY PC | AUDUBON | NJ | NEUROLOGY | 3 | 10,034 | $6,686 | $1 | premium | 18.9% | (856) 546-2300 |
| 24 | MS CENTER OF GREATER WASHINGTON PC | VIENNA | VA | NEUROLOGY | 3 | 9,875 | $5,025 | $1 | premium | 20.1% | (703) 226-4000 |
| 25 | ORTHOMIDWEST, PLLC | CHICAGO | IL | PHYSICIAN ASSISTANT | 542 | 9,475 | $8,717 | $1 | premium | 3.6% | (877) 632-6637 |
| 26 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 9,431 | $32,545 | $3 | premium | 6.8% | (916) 681-8852 |
| 27 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 9,260 | $29,930 | $3 | premium | 7.9% | (212) 263-9700 |
| 28 | NORMAN B. GAYLIS M.D. PA | AVENTURA | FL | RHEUMATOLOGY | 4 | 9,258 | $5,341 | $1 | premium | 2.3% | (305) 652-6676 |
| 29 | INFUSION ASSOCIATES PLLC | GRAND RAPIDS | MI | NURSE PRACTITIONER | 18 | 9,174 | $7,331 | $1 | premium | 11.5% | (616) 954-0600 |
| 30 | MARYLAND ONCOLOGY HEMATOLOGY PA | LAUREL | MD | HEMATOLOGY/ONCOLOGY | 99 | 9,118 | $9,118 | $1 | premium | 14.5% | (301) 982-9800 |
| 31 | WILLIAM NOYES MD PC | GRAND FORKS | ND | MEDICAL ONCOLOGY | 4 | 8,850 | $5,310 | $1 | premium | 87.3% | (701) 787-5800 |
| 32 | HEALTH FIRST MEDICAL GROUP, LLC | MELBOURNE | FL | NURSE PRACTITIONER | 669 | 8,627 | $8,370 | $1 | premium | 2.2% | (321) 434-8878 |
| 33 | NEUROLOGY CENTER OF NEW ENGLAND PC | FOXBORO | MA | NEUROLOGY | 14 | 8,100 | $265,283 | $33 | premium | 42.1% | (781) 551-5812 |
| 34 | ARTHRITIS AND RHEUMATOLOGY CONSULTANTS PA | EDINA | MN | RHEUMATOLOGY | 12 | 8,068 | $11,695 | $1 | premium | 25.8% | (952) 893-1959 |
| 35 | ALABAMA NEUROLOGY ASSOCIATES | BIRMINGHAM | AL | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 13 | 8,049 | $8,049 | $1 | premium | 11.2% | 20580322103 |
| 36 | INSTITUTE FOR RHEUMATOLOGY AND INTEGRATIVE MEDICINE | PEMBROKE PINES | FL | RHEUMATOLOGY | 6 | 7,810 | $21,573 | $3 | premium | 2.0% | (954) 620-0011 |
| 37 | GLENDALE NEUROLOGICAL ASSOCIATES PC | FARMINGTON HILLS | MI | NEUROLOGY | 40 | 7,199 | $3,710 | $1 | premium | 9.0% | — |
| 38 | BRYN MAWR MEDICAL SPECIALISTS ASSOCIATION | BRYN MAWR | PA | NURSE PRACTITIONER | 134 | 7,088 | $23,192 | $3 | premium | 17.1% | (610) 527-3800 |
| 39 | HIGHLANDS ONCOLOGY GROUP PA | FAYETTEVILLE | AR | NURSE PRACTITIONER | 79 | 7,033 | $4,923 | $1 | premium | 15.2% | (479) 361-2585 |
| 40 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 6,952 | $24,054 | $3 | premium | 5.0% | (415) 600-1020 |
| 41 | NORTH SHORE MEDICAL GROUP OF THE MOUNT SINAI SCHOOL OF MEDICINE | GREENLAWN | NY | DIAGNOSTIC RADIOLOGY | 315 | 6,849 | $3,082 | $0 | premium | 5.8% | (631) 628-5000 |
| 42 | LANCASTER CANCER CENTER LTD | LANCASTER | PA | HEMATOLOGY | 4 | 6,648 | $3,774 | $1 | premium | 16.0% | (717) 291-1313 |
| 43 | NORTH CENTRAL NEUROLOGY ASSOCIATES,PC | CULLMAN | AL | NURSE PRACTITIONER | 4 | 6,572 | $6,572 | $1 | premium | 9.2% | (256) 739-1210 |
| 44 | ARIZONA ARTHRITIS AND RHEUMATOLOGY ASSOCIATES P C | PHOENIX | AZ | RHEUMATOLOGY | 41 | 6,562 | $4,462 | $1 | premium | 8.7% | (480) 443-8400 |
| 45 | REGIONAL CANCER CARE ASSOCIATES LLC | HACKENSACK | NJ | HEMATOLOGY/ONCOLOGY | 153 | 6,546 | $6,546 | $1 | premium | 12.3% | (201) 996-2210 |
| 46 | WOODLANDS MEDICAL SPECIALISTS P A | PENSACOLA | FL | PHYSICIAN ASSISTANT | 51 | 6,544 | $6,544 | $1 | premium | 1.7% | (850) 696-4000 |
| 47 | SOUTHEASTERN RHEUMATOLOGY ALLIANCE | GAINESVILLE | GA | RHEUMATOLOGY | 23 | 6,422 | $8,435 | $1 | premium | 9.4% | (770) 531-3711 |
| 48 | ARTICULARIS HEALTHCARE GROUP INC | SUMMERVILLE | SC | RHEUMATOLOGY | 47 | 6,385 | $5,146 | $1 | premium | 9.7% | (843) 572-4840 |
| 49 | WV MEDICAL SERVICES PC | NORTHPORT | AL | RHEUMATOLOGY | 7 | 6,236 | $6,236 | $1 | premium | 8.7% | (205) 750-0030 |
| 50 | MILLENNIUM PHYSICIAN GROUP LLC | PORT CHARLOTTE | FL | PHYSICIAN ASSISTANT | 953 | 6,214 | $3,736 | $1 | premium | 1.6% | (941) 255-3535 |
| 51 | VERO BEACH NEUROLOGY AND RESEARCH INSTITUTE LLC | VERO BEACH | FL | NEUROLOGY | 2 | 6,050 | $6,050 | $1 | premium | 1.5% | (772) 492-7051 |
| 52 | TEXAS ONCOLOGY PA | DALLAS | TX | PHYSICIAN ASSISTANT | 995 | 5,977 | $5,977 | $1 | premium | 2.7% | — |
| 53 | IVX HEALTH OF FLORIDA PA | JACKSONVILLE | FL | NURSE PRACTITIONER | 40 | 5,815 | $4,768 | $1 | premium | 1.5% | (904) 339-7332 |
| 54 | PURE HEALTHCARE OF COLORADO LLC | DENVER | CO | ANESTHESIOLOGY | 2 | 5,711 | $4,989 | $1 | premium | 27.6% | (970) 822-7700 |
| 55 | REGENTS OF THE UNIVERSITY OF CALIFORNIA | ORANGE | CA | OBSTETRICS/GYNECOLOGY | 51 | 5,475 | $21,900 | $4 | premium | 3.9% | (714) 456-7002 |
| 56 | PIEDMONT ARTHRITIS CLINIC PA | GREENVILLE | SC | RHEUMATOLOGY | 8 | 5,433 | $16,320 | $3 | premium | 8.3% | (864) 235-8396 |
| 57 | ARTHRITIS AND RHEUMATOLOGY ASSOCIATES OF SOUTH JERSEY PC | VINELAND | NJ | RHEUMATOLOGY | 5 | 5,335 | $23,294 | $4 | premium | 10.0% | (856) 749-9090 |
| 58 | QUINCY PHYSICIANS AND SURGEONS CLINIC, PLLC | QUINCY | IL | NURSE PRACTITIONER | 230 | 5,239 | $4,221 | $1 | premium | 2.0% | — |
| 59 | INFECTIOUS DISEASE ASSOCIATES OF CENTRAL VIRGINIA LLC | LYNCHBURG | VA | INFECTIOUS DISEASE | 6 | 5,213 | $4,487 | $1 | premium | 10.6% | (434) 947-3900 |
| 60 | SOUTH CAROLINA ONCOLOGY ASSOC PA | COLUMBIA | SC | HEMATOLOGY/ONCOLOGY | 18 | 5,156 | $12,890 | $2 | premium | 7.9% | (803) 461-3000 |
| 61 | PALMETTO INFUSION SERVICES LLC | CHARLOTTE | SC | NURSE PRACTITIONER | 59 | 5,140 | $37,354 | $7 | premium | 7.8% | (704) 200-9482 |
| 62 | SEMMES-MURPHEY CLINIC PC | MEMPHIS | TN | NEUROSURGERY | 65 | 5,063 | $5,063 | $1 | premium | 4.7% | (901) 522-7700 |
| 63 | ALLERGY IMMUNOLOGY ASSOCIATES INC | MAYFIELD HEIGHTS | OH | ALLERGY/IMMUNOLOGY | 7 | 5,056 | $5,056 | $1 | premium | 12.2% | (216) 381-3333 |
| 64 | ILLINOIS CANCER SPECIALISTS | ARLINGTON HEIGHTS | IL | HEMATOLOGY/ONCOLOGY | 29 | 4,900 | $4,900 | $1 | premium | 1.9% | (847) 259-4482 |
| 65 | KANSAS CITY PHYSICIAN PARTNERS INC | KANSAS CITY | MO | RHEUMATOLOGY | 16 | 4,889 | $9,064 | $2 | premium | 19.5% | (913) 258-2116 |
| 66 | NOVANT HEALTH MEDICAL GROUP, LLC | WINSTON SALEM | NC | PHYSICIAN ASSISTANT | 2389 | 4,800 | $4,800 | $1 | premium | 6.2% | (704) 384-8200 |
| 67 | CALIFORNIA CANCER ASSOCIATES FOR RESEARCH AND EXCELLENCE INC | FRESNO | CA | HEMATOLOGY/ONCOLOGY | 62 | 4,716 | $8,322 | $2 | premium | 3.4% | (559) 326-1222 |
| 68 | IOWA CANCER SPECIALISTS, P.C. | DAVENPORT | IA | CERTIFIED NURSE MIDWIFE (CNM) | 3 | 4,637 | $5,093 | $1 | premium | 29.3% | (563) 345-4325 |
| 69 | ORTHOPEDIC AND SPORTS MEDICINE SPECIALISTS OF GREEN BAY SC | GREEN BAY | WI | ORTHOPEDIC SURGERY | 50 | 4,532 | $4,532 | $1 | premium | 21.9% | — |
| 70 | MINNESOTA ONCOLOGY HEMATOLOGY PA | EDINA | MN | PHYSICIAN ASSISTANT | 135 | 4,528 | $4,528 | $1 | premium | 14.5% | (952) 928-2900 |
| 71 | COLUMBUS ARTHRITIS CENTER, INC. | COLUMBUS | OH | PHYSICIAN ASSISTANT | 19 | 4,485 | $3,632 | $1 | premium | 10.8% | — |
| 72 | WHITE-WILSON MEDICAL CENTER PA | FORT WALTON BEACH | FL | NURSE PRACTITIONER | 45 | 4,477 | $22,385 | $5 | premium | 1.1% | (850) 863-8150 |
| 73 | INCONTINENCE AND PELVIC SUPPORT INSTITUTE | MISSION VIEJO | CA | OBSTETRICS/GYNECOLOGY | 3 | 4,464 | $4,464 | $1 | premium | 3.2% | (714) 364-4400 |
| 74 | VALLEY CANCER ASSOCIATES PA | HARLINGEN | TX | MEDICAL ONCOLOGY | 3 | 4,445 | $4,489 | $1 | premium | 2.0% | (956) 364-2131 |
| 75 | BAPTIST PRIMARY CARE INC | JACKSONVILLE | FL | FAMILY PRACTICE | 446 | 4,442 | $4,441 | $1 | premium | 1.1% | — |
| 76 | TALIS HEALTHCARE LLC | NEW CASTLE | TX | NURSE PRACTITIONER | 11 | 4,399 | $3,516 | $1 | premium | 2.0% | — |
| 77 | TRICOUNTY PHYSICIANS LLC | THE VILLAGES | FL | NURSE PRACTITIONER | 4 | 4,397 | $8,794 | $2 | premium | 1.1% | (352) 561-6299 |
| 78 | AMERICAN ARTHRITIS AND RHEUMATOLOGY ASSOCIATES LLC | NAPLES | FL | RHEUMATOLOGY | 75 | 4,349 | $11,223 | $3 | premium | 1.1% | (239) 596-5220 |
| 79 | PREMIER PHYSICIANS CENTERS INC | WESTLAKE | OH | INTERNAL MEDICINE | 46 | 4,269 | $2,151 | $1 | premium | 10.3% | (440) 333-3332 |
| 80 | MISSION MEDICAL CARE PC | ROCKVILLE CENTRE | NY | NURSE PRACTITIONER | 51 | 4,050 | $3,662 | $1 | premium | 3.5% | (212) 803-3339 |
| 81 | ARTHRITIS CLINIC, PLLC | JACKSON | TN | RHEUMATOLOGY | 2 | 4,033 | $4,072 | $1 | premium | 3.7% | (731) 664-0002 |
| 82 | JEFFERSON CITY MEDICAL GROUP PC | JEFFERSON CITY | MO | NURSE PRACTITIONER | 115 | 4,016 | $4,016 | $1 | premium | 16.0% | (573) 556-5771 |
| 83 | MEMORIAL HOSPITAL | OWOSSO | MI | NURSE PRACTITIONER | 206 | 4,000 | $1,949 | $0 | premium | 5.0% | (989) 720-5400 |
| 84 | POWERBACK REHABILITATION LLC | CLINTON TWP | FL | FAMILY PRACTICE | 591 | 3,982 | $3,287 | $1 | premium | 1.0% | (342) 627-3267 |
| 85 | RHEUMATOLOGY SERVICES MEDICAL GROUP | SAN LUIS OBISPO | CA | NURSE PRACTITIONER | 9 | 3,970 | $3,970 | $1 | premium | 2.8% | 6616958385118 |
| 86 | HOLSTON MEDICAL GROUP PC | BRISTOL | VA | NURSE PRACTITIONER | 244 | 3,928 | $2,946 | $1 | premium | 8.0% | (423) 844-7000 |
| 87 | ST LOUIS MEDICAL CLINIC, P.C. | SAINT LOUIS | MO | INTERNAL MEDICINE | 11 | 3,905 | $21,952 | $6 | premium | 15.6% | (314) 432-1111 |
| 88 | RHEUMATOLOGY PARTNERS PLLC | LITTLE ROCK | AR | RHEUMATOLOGY | 5 | 3,893 | $4,168 | $1 | premium | 8.4% | (501) 224-6366 |
| 89 | SPRINGFIELD CLINIC, LLP | SPRINGFIELD | IL | NURSE PRACTITIONER | 686 | 3,882 | $7,894 | $2 | premium | 1.5% | (217) 544-6464 |
| 90 | IRONWOOD PHYSICIANS PC | MESA | AZ | HEMATOLOGY/ONCOLOGY | 114 | 3,850 | $3,850 | $1 | premium | 5.1% | (480) 981-1326 |
| 91 | ADVANCED DIAGNOSTIC IMAGING PC | NASHVILLE | TN | NURSE PRACTITIONER | 534 | 3,806 | $4,600 | $1 | premium | 3.5% | (615) 612-2146 |
| 92 | STATE UNIVERSITY OF IOWA | IOWA CITY | IA | PHYSICIAN ASSISTANT | 1902 | 3,800 | $2,090 | $1 | premium | 24.0% | (319) 678-8201 |
| 93 | JOSHUA P JUNE DO | LANSING | MI | RHEUMATOLOGY | 5 | 3,784 | $4,000 | $1 | premium | 4.7% | (517) 272-9700 |
| 94 | CANCER CARE CENTERS OF BREVARD INC | MELBOURNE | FL | NURSE PRACTITIONER | 17 | 3,612 | $3,612 | $1 | premium | 0.9% | (321) 434-9000 |
| 95 | CAROLINAS PHYSICIANS NETWORK INC | CHARLOTTE | NC | PHYSICIAN ASSISTANT | 2360 | 3,568 | $3,568 | $1 | premium | 4.6% | (704) 667-1000 |
| 96 | THE POLYCLINIC PLLC | SEATTLE | WA | DIAGNOSTIC RADIOLOGY | 371 | 3,543 | $2,657 | $1 | premium | 18.6% | (206) 309-1760 |
| 97 | AFFILIATED ONCOLOGISTS LLC | OAK LAWN | IL | PHYSICIAN ASSISTANT | 40 | 3,507 | $3,507 | $1 | premium | 1.3% | (708) 684-5475 |
| 98 | MINNEAPOLIS CLINIC OF NEUROLOGY LTD | GOLDEN VALLEY | MN | NEUROLOGY | 72 | 3,500 | $3,500 | $1 | premium | 11.2% | (763) 588-0661 |
| 99 | UNIVERSITY MEDICAL ASSOCIATES OF THE MEDICAL UNIVERSITY OF SOUTH CAROL | CHARLESTON | SC | PHYSICIAN ASSISTANT | 1692 | 3,483 | $3,831 | $1 | premium | 5.3% | (843) 792-1414 |
| 100 | AMERICAN ONCOLOGY PARTNERS PA | FORT WAYNE | AR | HEMATOLOGY/ONCOLOGY | 333 | 3,397 | $3,348 | $1 | premium | 7.4% | (260) 484-8830 |
Showing the top 100 of 719 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 →