5,900 observed fee-for-service (49%) · ~6,094 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 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 | 73701 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 | ADVANCED RADIOLOGY SERVICES PC | GRAND RAPIDS | MI | DIAGNOSTIC RADIOLOGY | 249 | 255 | $51,676 | $203 | premium | 37.7% | (616) 363-7272 |
| 2 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 183 | $52,848 | $289 | premium | 10.9% | (916) 681-8852 |
| 3 | CHARLOTTE RADIOLOGY PA | CHARLOTTE | NC | DIAGNOSTIC RADIOLOGY | 218 | 175 | $55,475 | $317 | premium | 27.5% | (704) 362-1945 |
| 4 | PROGRESSIVE PHYSICIAN ASSOC INC | PHILLIPSBURG | PA | DIAGNOSTIC RADIOLOGY | 160 | 155 | $34,255 | $221 | premium | 14.4% | (908) 859-6700 |
| 5 | FLORIDA CLINICAL PRACTICE ASSOCIATION INC | GAINESVILLE | FL | NURSE PRACTITIONER | 1912 | 155 | $49,770 | $321 | premium | 14.0% | (352) 265-8990 |
| 6 | PRISMA HEALTH UNIVERSITY MEDICAL GROUP | GREENVILLE | SC | NURSE PRACTITIONER | 2447 | 154 | $26,488 | $172 | premium | 65.5% | — |
| 7 | H LEE MOFFITT CANCER CTR AND RES INST LIFE TIME CANCER SCRN CTR INC | TAMPA | FL | PHYSICIAN ASSISTANT | 1103 | 154 | $31,144 | $202 | premium | 13.9% | (813) 745-4673 |
| 8 | DIGNITY HEALTH MEDICAL FOUNDATION | FOLSOM | CA | DIAGNOSTIC RADIOLOGY | 1197 | 121 | $33,629 | $278 | premium | 7.2% | (916) 983-7476 |
| 9 | MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC | BOSTON | MA | DIAGNOSTIC RADIOLOGY | 3532 | 116 | $43,908 | $379 | premium | 16.8% | (617) 724-0287 |
| 10 | DARTMOUTH-HITCHCOCK CLINIC | LEBANON | NH | PHYSICIAN ASSISTANT | 1441 | 96 | $103,176 | $1,075 | premium | 61.1% | (603) 650-5000 |
| 11 | THE ASSOCIATION OF UNIVERSITY PHYSICIANS | SEATTLE | WA | PHYSICIAN ASSISTANT | 3612 | 95 | $16,168 | $170 | premium | 11.9% | (206) 364-0500 |
| 12 | HOUSTON RADIOLOGY ASSOCIATED | HOUSTON | TX | DIAGNOSTIC RADIOLOGY | 103 | 93 | $38,299 | $412 | premium | 7.0% | (281) 206-9020 |
| 13 | RADIOLOGY AND IMAGING INC | SPRINGFIELD | MA | DIAGNOSTIC RADIOLOGY | 60 | 90 | $16,200 | $180 | premium | 13.0% | (413) 827-7400 |
| 14 | MEDSTAR MEDICAL GROUP II LLC | WASHINGTON | DC | PHYSICIAN ASSISTANT | 3707 | 82 | $15,438 | $188 | premium | 69.5% | (202) 429-2401 |
| 15 | MAIMONIDES MEDICAL CENTER - MMC RADIOLOGY FPP | BROOKLYN | NY | DIAGNOSTIC RADIOLOGY | 57 | 74 | $11,190 | $151 | premium | 6.5% | (718) 283-6158 |
| 16 | LENOX HILL RADIOLOGY AND MEDICAL IMAGING ASSOCIATES PC | NEW YORK | MI | DIAGNOSTIC RADIOLOGY | 244 | 73 | $14,675 | $201 | premium | 10.8% | (212) 772-3111 |
| 17 | IHC HEALTH SERVICES INC | MURRAY | UT | PHYSICIAN ASSISTANT | 3944 | 73 | $12,770 | $175 | premium | 51.4% | (801) 261-8346 |
| 18 | UNIVERSITY OF PENN - MEDICAL GROUP | PHILADELPHIA | PA | PHYSICIAN ASSISTANT | 3505 | 72 | $13,680 | $190 | premium | 6.7% | (215) 662-2777 |
| 19 | EVANSVILLE RADIOLOGY PC | EVANSVILLE | IN | DIAGNOSTIC RADIOLOGY | 29 | 71 | $14,200 | $200 | premium | 19.3% | (812) 422-3254 |
| 20 | COLUMBUS RADIOLOGY CORP | COLUMBUS | OH | DIAGNOSTIC RADIOLOGY | 288 | 69 | $48,510 | $703 | premium | 17.1% | (614) 228-7231 |
| 21 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | NY | PHYSICIAN ASSISTANT | 6294 | 63 | $17,798 | $283 | premium | 5.5% | — |
| 22 | COMMONWEALTH RADIOLOGY PC | RICHMOND | VA | DIAGNOSTIC RADIOLOGY | 49 | 61 | $9,455 | $155 | premium | 11.9% | (804) 288-8327 |
| 23 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | IL | NURSE PRACTITIONER | 4339 | 60 | $17,880 | $298 | premium | 13.5% | — |
| 24 | UMASS MEMORIAL MEDICAL GROUP INC | WORCESTER | MA | PHYSICIAN ASSISTANT | 2483 | 58 | $14,732 | $254 | premium | 8.4% | (508) 334-1000 |
| 25 | WEST COUNTY RADIOLOGICAL GROUP INC | SAINT LOUIS | MO | DIAGNOSTIC RADIOLOGY | 104 | 54 | $14,202 | $263 | premium | 8.3% | (314) 941-5600 |
| 26 | PHYSICIANS REFERRAL SERVICE | HOUSTON | TX | NURSE PRACTITIONER | 2696 | 52 | $25,328 | $487 | premium | 3.9% | (713) 592-5433 |
| 27 | TEMPLE FACULTY PRACTICE PLAN INC | PHILADELPHIA | PA | PHYSICIAN ASSISTANT | 1330 | 52 | $9,880 | $190 | premium | 4.8% | — |
| 28 | PROGRESSIVE PHYSICIAN ASSOC INC | PHILLIPSBURG | NJ | DIAGNOSTIC RADIOLOGY | 160 | 51 | $11,271 | $221 | premium | 12.0% | (908) 859-6700 |
| 29 | STANFORD HEALTH CARE | STANFORD | CA | DIAGNOSTIC RADIOLOGY | 3039 | 50 | $36,065 | $721 | premium | 3.0% | (650) 723-4000 |
| 30 | EINSTEIN PRACTICE PLAN INC | PHILADELPHIA | CA | DIAGNOSTIC RADIOLOGY | 740 | 50 | $33,000 | $660 | premium | 3.0% | (215) 456-8242 |
| 31 | RADIOLOGISTS OF UNIV OF ROCHESTER | ROCHESTER | NY | DIAGNOSTIC RADIOLOGY | 134 | 47 | $11,045 | $235 | premium | 4.1% | — |
| 32 | RADIOLOGY CONSULTANTS PC | OMAHA | NE | DIAGNOSTIC RADIOLOGY | 46 | 45 | $8,415 | $187 | premium | 54.9% | (402) 717-4760 |
| 33 | OU HEALTH PARTNERS INC | OKLAHOMA CITY | OK | PHYSICIAN ASSISTANT | 1160 | 45 | $10,501 | $233 | premium | 30.8% | (405) 271-4311 |
| 34 | REGENTS OF THE UNIV OF CA | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 1608 | 45 | $14,850 | $330 | premium | 2.7% | (877) 827-7463 |
| 35 | BRIGHAM AND WOMENS PHYSICIANS ORGANIZATION INC | BOSTON | MA | PHYSICIAN ASSISTANT | 2942 | 44 | $10,787 | $245 | premium | 6.4% | (617) 732-5500 |
| 36 | BEAUMONT MEDICAL GROUP HOSPITAL BASED SERVICES | TROY | MI | DIAGNOSTIC RADIOLOGY | 583 | 44 | $17,008 | $387 | premium | 6.5% | (248) 964-1187 |
| 37 | HURON VALLEY RADIOLOGY PC | YPSILANTI | MI | DIAGNOSTIC RADIOLOGY | 77 | 44 | $8,368 | $190 | premium | 6.5% | (734) 712-8350 |
| 38 | RADIOLOGY AND IMAGING INC | SPRINGFIELD | VA | DIAGNOSTIC RADIOLOGY | 60 | 41 | $7,380 | $180 | premium | 8.0% | (413) 827-7400 |
| 39 | KENTUCKY MEDICAL SERVICES FOUNDATION, INC | LEXINGTON | KY | DIAGNOSTIC RADIOLOGY | 989 | 40 | $8,160 | $204 | premium | 35.1% | (859) 257-1412 |
| 40 | LAKELAND RADIOLOGISTS P A | FLOWOOD | MS | DIAGNOSTIC RADIOLOGY | 29 | 39 | $10,725 | $275 | premium | 36.8% | (601) 936-2390 |
| 41 | ENDEAVOR HEALTH MEDICAL GROUP | EVANSTON | IL | NURSE PRACTITIONER | 3380 | 39 | $7,449 | $191 | premium | 8.7% | — |
| 42 | TOWER HEALTH MEDICAL GROUP | WEST READING | PA | INTERNAL MEDICINE | 590 | 38 | $6,726 | $177 | premium | 3.5% | (484) 628-5455 |
| 43 | DIAGNOSTIC IMAGING ASSOCIATES, P.C. | DES MOINES | IA | DIAGNOSTIC RADIOLOGY | 21 | 37 | $11,581 | $313 | premium | 21.4% | (515) 643-2667 |
| 44 | RADIOLOGY ASSOCIATES OF NORTH TEXAS PA | FORT WORTH | TX | DIAGNOSTIC RADIOLOGY | 340 | 36 | $8,316 | $231 | premium | 2.7% | (817) 321-0470 |
| 45 | COOPER UNIVERSITY RADIOLOGY PC | CAMDEN | NJ | DIAGNOSTIC RADIOLOGY | 68 | 36 | $13,896 | $386 | premium | 8.5% | — |
| 46 | REGENTS OF THE UNIVERSITY OF CALIFORNIA | SAN DIEGO | CA | DIAGNOSTIC RADIOLOGY | 2057 | 36 | $14,544 | $404 | premium | 2.1% | (800) 926-8273 |
| 47 | ANCILLARY SERVICES OF PRACTICE ASSOCIATES PA | MORRISTOWN | NY | DIAGNOSTIC RADIOLOGY | 97 | 35 | $6,755 | $193 | premium | 3.1% | (973) 971-6866 |
| 48 | FPA HOSPITAL BASED | NEW YORK | MI | DIAGNOSTIC RADIOLOGY | 427 | 35 | $9,940 | $284 | premium | 5.2% | (212) 252-6004 |
| 49 | NEW YORK UNIVERSITY | NEW YORK | TN | DIAGNOSTIC RADIOLOGY | 5704 | 35 | $23,076 | $659 | premium | 13.9% | (212) 263-9700 |
| 50 | RADIOLOGY ASSOCIATES OF RICHMOND INC | RICHMOND | VA | DIAGNOSTIC RADIOLOGY | 70 | 34 | $6,027 | $177 | premium | 6.7% | (804) 272-8806 |
| 51 | MECKLENBURG RADIOLOGY ASSOCIATES PA | CHARLOTTE | NC | DIAGNOSTIC RADIOLOGY | 94 | 34 | $9,350 | $275 | premium | 5.3% | (704) 332-1291 |
| 52 | BRIGHAM AND WOMENS PHYSICIANS ORGANIZATION INC | BOSTON | NY | PHYSICIAN ASSISTANT | 2942 | 34 | $8,429 | $248 | premium | 3.0% | (617) 732-5500 |
| 53 | BROOKLYN HOSPITAL RADIOLOGY P C | BROOKLYN | NY | DIAGNOSTIC RADIOLOGY | 19 | 33 | $4,389 | $133 | premium | 2.9% | (718) 250-8240 |
| 54 | THE MILTON S HERSHEY MEDICAL CENTER PHYSICIANS GROUP | HERSHEY | PA | PHYSICIAN ASSISTANT | 1599 | 33 | $6,798 | $206 | premium | 3.1% | (717) 531-5638 |
| 55 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 33 | $13,827 | $419 | premium | 2.9% | (212) 263-9700 |
| 56 | RADIOLOGY CONSULTANTS PC | OMAHA | TX | DIAGNOSTIC RADIOLOGY | 46 | 32 | $5,984 | $187 | premium | 2.4% | (402) 717-4760 |
| 57 | SCOTT AND WHITE CLINIC | TEMPLE | TX | PHYSICIAN ASSISTANT | 2435 | 32 | $9,078 | $284 | premium | 2.4% | (254) 724-2663 |
| 58 | MASS GENERAL BRIGHAM COMMUNITY PHYSICIANS INC | MEDFORD | MA | DIAGNOSTIC RADIOLOGY | 424 | 32 | $7,785 | $243 | premium | 4.6% | (781) 395-4909 |
| 59 | WASHINGTON UNIVERSITY | SAINT LOUIS | MO | NURSE PRACTITIONER | 3070 | 31 | $13,330 | $430 | premium | 4.8% | (314) 747-3000 |
| 60 | MERRIMACK VALLEY PET PC | METHUEN | MA | DIAGNOSTIC RADIOLOGY | 2 | 31 | $4,433 | $143 | premium | 4.5% | (978) 689-4738 |
| 61 | MAYO CLINIC ARIZONA | PHOENIX | AZ | PHYSICIAN ASSISTANT | 1635 | 29 | $14,442 | $498 | premium | 9.0% | (800) 603-0558 |
| 62 | STATE OF MISSISSIPPI - UNIVERSITY OF MISSISSIPPI MEDICAL CENTER | JACKSON | MS | NURSE PRACTITIONER | 951 | 29 | $6,902 | $238 | premium | 27.4% | (601) 815-4775 |
| 63 | PROGRESSIVE PHYSICIAN ASSOC INC | PHILLIPSBURG | MO | DIAGNOSTIC RADIOLOGY | 160 | 29 | $6,409 | $221 | premium | 4.5% | (908) 859-6700 |
| 64 | YALE UNIVERSITY | NEW HAVEN | CT | PHYSICIAN ASSISTANT | 2649 | 28 | $7,280 | $260 | premium | 21.2% | (203) 688-4242 |
| 65 | KAISER FOUNDATION HEALTH PLAN OF WASHINGTON | SEATTLE | WA | PHYSICIAN ASSISTANT | 1531 | 28 | $5,432 | $194 | premium | 3.5% | (206) 721-5600 |
| 66 | COLUMBUS RADIOLOGY CORP | COLUMBUS | NC | DIAGNOSTIC RADIOLOGY | 288 | 28 | $20,097 | $718 | premium | 4.4% | (614) 228-7231 |
| 67 | UNIVERSITY PROFESSIONAL SERVICES | PORTLAND | OR | PHYSICIAN ASSISTANT | 1717 | 28 | $4,357 | $156 | premium | 14.2% | (503) 494-8311 |
| 68 | RADIOLOGY ASSOCIATES OF RIDGEWOOD P A | WALDWICK | NJ | DIAGNOSTIC RADIOLOGY | 20 | 28 | $6,636 | $237 | premium | 6.6% | (201) 445-8822 |
| 69 | DRS HARRIS BIRKHILL WANG SONGE AND ASSOC PC | DEARBORN | MI | DIAGNOSTIC RADIOLOGY | 62 | 27 | $4,212 | $156 | premium | 4.0% | (313) 593-7301 |
| 70 | MEDICAL IMAGING OF LEHIGH VALLEY PC | ALLENTOWN | PA | DIAGNOSTIC RADIOLOGY | 119 | 26 | $5,460 | $210 | premium | 2.4% | (610) 770-1606 |
| 71 | MONTEFIORE MEDICAL CENTER | BRONX | NY | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 2796 | 25 | $11,250 | $450 | premium | 2.2% | (866) 633-8255 |
| 72 | COVENANT MEDICAL CENTER INC | SAGINAW | MI | PHYSICIAN ASSISTANT | 493 | 25 | $4,305 | $172 | premium | 3.7% | (989) 583-4220 |
| 73 | KETTERING NETWORK RADIOLOGISTS INC | DAYTON | OH | DIAGNOSTIC RADIOLOGY | 74 | 24 | $5,520 | $230 | premium | 6.0% | (937) 558-3800 |
| 74 | ZWANGER AND PESIRI RADIOLOGY GROUP LLP | LINDENHURST | NY | DIAGNOSTIC RADIOLOGY | 91 | 24 | $18,348 | $764 | premium | 2.1% | (631) 225-7200 |
| 75 | RIVERSIDE RADIOLOGY MEDICAL GROUP INC | RIVERSIDE | CA | DIAGNOSTIC RADIOLOGY | 43 | 24 | $4,456 | $186 | premium | 1.4% | (951) 788-3400 |
| 76 | SANFORD CLINIC | SIOUX FALLS | SD | DIAGNOSTIC RADIOLOGY | 276 | 24 | $5,424 | $226 | premium | 100.0% | (605) 328-8700 |
| 77 | TEMPLE FACULTY PRACTICE PLAN INC | PHILADELPHIA | CA | PHYSICIAN ASSISTANT | 1330 | 23 | $4,370 | $190 | premium | 1.4% | — |
| 78 | BANNER-UNIVERSITY MEDICAL GROUP | TUCSON | AZ | INTERNAL MEDICINE | 1068 | 22 | $3,256 | $148 | premium | 6.8% | (520) 694-0111 |
| 79 | RUSH UNIVERSITY MEDICAL GROUP | CHICAGO | IL | PHYSICIAN ASSISTANT | 1496 | 22 | $4,070 | $185 | premium | 4.9% | (312) 563-2875 |
| 80 | STONY BROOK RADIOLOGY, UNIVERSITY FACULTY PRACTICE CORPORATION | STONY BROOK | MD | DIAGNOSTIC RADIOLOGY | 59 | 22 | $7,041 | $320 | premium | 3.8% | (631) 638-2121 |
| 81 | DIAGNOSTIC MEDICAL IMAGING PA | COLUMBIA | MD | DIAGNOSTIC RADIOLOGY | 11 | 21 | $2,457 | $117 | premium | 3.6% | (480) 207-4091 |
| 82 | ENGLEWOOD RADIOLOGIC GROUP P A | ENGLEWOOD | NJ | DIAGNOSTIC RADIOLOGY | 125 | 21 | $4,431 | $211 | premium | 5.0% | (201) 894-3480 |
| 83 | RADIOLOGY SPECIALISTS OF THE NORTHWEST PC | PORTLAND | OR | DIAGNOSTIC RADIOLOGY | 29 | 21 | $3,210 | $153 | premium | 10.7% | (503) 513-8300 |
| 84 | NORTHWESTERN MEDICAL FACULTY FOUNDATION | CHICAGO | MO | NURSE PRACTITIONER | 4339 | 21 | $8,703 | $414 | premium | 3.2% | — |
| 85 | SDMI, LLC | LAS VEGAS | NV | DIAGNOSTIC RADIOLOGY | 36 | 20 | $13,840 | $692 | premium | 40.0% | (702) 732-6000 |
| 86 | JOHNS HOPKINS UNIVERSITY | WASHINGTON | MD | MEDICAL ONCOLOGY | 196 | 20 | $5,660 | $283 | premium | 3.4% | (202) 537-4000 |
| 87 | NORTHERN VIRGINIA RADIOLOGY CONSULTANTS, PLLC | ARLINGTON | VA | DIAGNOSTIC RADIOLOGY | 28 | 19 | $2,395 | $126 | premium | 3.7% | (517) 481-2442 |
| 88 | RADIOLOGY ASSOCIATES OF KEENE PC | KEENE | NH | DIAGNOSTIC RADIOLOGY | 5 | 19 | $4,883 | $257 | premium | 12.1% | (603) 354-6580 |
| 89 | IHC HEALTH SERVICES INC | MURRAY | MO | PHYSICIAN ASSISTANT | 3944 | 19 | $3,208 | $169 | premium | 2.9% | (801) 261-8346 |
| 90 | OROVILLE HOSPITAL | OROVILLE | CA | DIAGNOSTIC RADIOLOGY | 93 | 19 | $4,047 | $213 | premium | 1.1% | (530) 533-8500 |
| 91 | COLORADO IMAGING ASSOCIATES PC | LAKEWOOD | TX | DIAGNOSTIC RADIOLOGY | 62 | 18 | $12,474 | $693 | premium | 1.3% | (303) 433-9729 |
| 92 | RADIOLOGY ASSOCIATES OF NORTHERN KENTUCKY PLLC | EDGEWOOD | KY | DIAGNOSTIC RADIOLOGY | 56 | 18 | $2,538 | $141 | premium | 15.8% | (859) 301-2160 |
| 93 | RADIOLOGY ASSOCIATES OF ALBUQUERQUE PA | ALBUQUERQUE | NM | DIAGNOSTIC RADIOLOGY | 101 | 18 | $3,502 | $195 | premium | 25.0% | (505) 332-5827 |
| 94 | PENINSULA RADIOLOGICAL ASSOCIATES LIMITED | NEWPORT NEWS | CA | DIAGNOSTIC RADIOLOGY | 65 | 17 | $2,567 | $151 | premium | 1.0% | (757) 594-3900 |
| 95 | MILLENNIUM MEDICAL IMAGING PC | SARATOGA SPRINGS | NY | DIAGNOSTIC RADIOLOGY | 33 | 17 | $3,315 | $195 | premium | 1.5% | (518) 583-8461 |
| 96 | SONORAN RADIOLOGY LTD | MESA | RI | DIAGNOSTIC RADIOLOGY | 474 | 17 | $11,781 | $693 | premium | 100.0% | (832) 915-2534 |
| 97 | RADIOLOGY OF HUNSTVILLE PC | HUNTSVILLE | AL | DIAGNOSTIC RADIOLOGY | 63 | 17 | $7,425 | $437 | premium | 12.1% | 2565390457145 |
| 98 | SVMHS CLINICS | SALINAS | CA | PHYSICIAN ASSISTANT | 245 | 17 | $2,567 | $151 | premium | 1.0% | (831) 422-3636 |
| 99 | MORI BEAN AND BROOKS INC | ORANGE PARK | FL | DIAGNOSTIC RADIOLOGY | 947 | 16 | $11,088 | $693 | premium | 1.4% | (904) 399-5550 |
| 100 | UNIVERSITY OF PITTSBURGH PHYSICIANS | PITTSBURGH | PA | DIAGNOSTIC RADIOLOGY | 4291 | 16 | $2,800 | $175 | premium | 1.5% | — |
Showing the top 100 of 145 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 →