Q0091 — Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory
212,540 observed fee-for-service (50%) · ~216,810 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 | Q0091 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | FLORIDA WOMAN CARE LLC | ORLANDO | FL | OBSTETRICS/GYNECOLOGY | 604 | 8,838 | $1,155,758 | $131 | premium | 27.4% | (407) 857-2502 |
| 2 | VITALMD GROUP HOLDING LLC | MIAMI | FL | OBSTETRICS/GYNECOLOGY | 531 | 5,231 | $792,007 | $151 | premium | 16.2% | (305) 273-4641 |
| 3 | REGIONAL WOMENS HEALTH GROUP LLC | VOORHEES | NJ | OBSTETRICS/GYNECOLOGY | 352 | 4,842 | $587,907 | $121 | premium | 20.5% | (856) 424-3323 |
| 4 | NORTH SHORE-LIJ MEDICAL PC | MANHASSET | NY | PHYSICIAN ASSISTANT | 6294 | 4,767 | $1,020,723 | $214 | premium | 11.1% | — |
| 5 | NEW YORK UNIVERSITY | NEW YORK | NY | DIAGNOSTIC RADIOLOGY | 5704 | 4,036 | $981,794 | $243 | premium | 9.4% | (212) 263-9700 |
| 6 | REGIONAL WOMENS HEALTH GROUP LLC | VOORHEES | PA | OBSTETRICS/GYNECOLOGY | 352 | 2,824 | $333,609 | $118 | premium | 16.9% | (856) 424-3323 |
| 7 | PHYSICIANS FOR WOMEN'S HEALTH, LLC | DANBURY | CT | OBSTETRICS/GYNECOLOGY | 320 | 2,738 | $150,590 | $55 | premium | 49.8% | (203) 730-8789 |
| 8 | HACKENSACK MERIDIAN HEALTH MEDICAL GROUP - SPECIALTY CARE PC | NEPTUNE | NJ | NURSE PRACTITIONER | 1878 | 2,467 | $371,400 | $151 | premium | 10.4% | (732) 362-3663 |
| 9 | LIFELINE MEDICAL ASSOCIATES LLC | DENVILLE | NJ | OBSTETRICS/GYNECOLOGY | 150 | 2,306 | $127,460 | $55 | premium | 9.7% | — |
| 10 | JACKSON HEALTHCARE FOR WOMEN PA | FLOWOOD | MS | OBSTETRICS/GYNECOLOGY | 15 | 2,064 | $93,000 | $45 | premium | 33.3% | (601) 936-9190 |
| 11 | SQUARE CARE MEDICAL GROUP LLP | WOODBURY | NY | OBSTETRICS/GYNECOLOGY | 70 | 1,811 | $291,571 | $161 | premium | 4.2% | (516) 496-3900 |
| 12 | WESTCHESTER MEDICAL GROUP, P.C | WHITE PLAINS | NY | INTERNAL MEDICINE | 409 | 1,657 | $236,894 | $143 | premium | 3.8% | (914) 682-0700 |
| 13 | OPTUM MEDICAL CARE PC | MOUNT KISCO | NY | INTERNAL MEDICINE | 1040 | 1,649 | $267,628 | $162 | premium | 3.8% | (914) 241-1050 |
| 14 | CAPITAL WOMENS CARE LLC | ROCKVILLE | MD | OBSTETRICS/GYNECOLOGY | 284 | 1,590 | $87,450 | $55 | premium | 22.5% | (301) 424-1696 |
| 15 | SUMMIT MEDICAL GROUP PA | BERKELEY HEIGHTS | NJ | PHYSICIAN ASSISTANT | 1183 | 1,567 | $88,654 | $57 | premium | 6.6% | (908) 273-4300 |
| 16 | UNIFIED WOMENS HEALTHCARE OF TEXAS PLLC | MCKINNEY | TX | OBSTETRICS/GYNECOLOGY | 184 | 1,508 | $181,640 | $120 | premium | 10.5% | (972) 542-8884 |
| 17 | BARNABAS HEALTH MEDICAL GROUP PC | LIVINGSTON | NJ | NURSE PRACTITIONER | 990 | 1,481 | $398,990 | $269 | premium | 6.3% | — |
| 18 | UWH OF THE CAROLINAS PLLC | WINSTON SALEM | NC | OBSTETRICS/GYNECOLOGY | 328 | 1,441 | $181,301 | $126 | premium | 27.5% | (336) 768-3632 |
| 19 | LEHIGH VALLEY PHYSICIAN GROUP | ALLENTOWN | PA | PHYSICIAN ASSISTANT | 2389 | 1,370 | $111,524 | $81 | premium | 8.2% | — |
| 20 | UNIVERSITY ASSOCIATES IN OBSTETRICS AND GYNECOLOGY UNIVERSITY FACULTY | STONY BROOK | NY | OBSTETRICS/GYNECOLOGY | 113 | 1,311 | $169,702 | $129 | premium | 3.0% | (631) 444-7650 |
| 21 | SCRANTON QUINCY CLINIC COMPANY LLC | SCRANTON | PA | DIAGNOSTIC RADIOLOGY | 69 | 1,258 | $138,380 | $110 | premium | 7.5% | (570) 340-5079 |
| 22 | WOMENS CARE FLORIDA LLC | TAMPA | FL | OBSTETRICS/GYNECOLOGY | 334 | 1,229 | $191,503 | $156 | premium | 3.8% | (813) 961-7440 |
| 23 | MIDWEST CENTER FOR WOMEN'S HEALTHCARE, LTD | PARK RIDGE | IL | OBSTETRICS/GYNECOLOGY | 92 | 1,198 | $149,871 | $125 | premium | 15.7% | (847) 825-8108 |
| 24 | BEEBE PHYSICIAN NETWORK INC. | LEWES | DE | PHYSICIAN ASSISTANT | 295 | 1,178 | $111,638 | $95 | premium | 50.1% | (302) 645-3525 |
| 25 | ADVOCARE, LLC | HADDONFIELD | NJ | NURSE PRACTITIONER | 384 | 1,137 | $164,924 | $145 | premium | 4.8% | (856) 354-2211 |
| 26 | ORLANDO HEALTH MEDICAL GROUP INC | ORLANDO | FL | PHYSICIAN ASSISTANT | 2145 | 1,136 | $147,685 | $130 | premium | 3.5% | (407) 896-1100 |
| 27 | VIRGINIA PHYSICIANS FOR WOMEN, LTD | NORTH CHESTERFIELD | VA | OBSTETRICS/GYNECOLOGY | 45 | 1,101 | $79,830 | $73 | premium | 15.0% | (804) 897-2100 |
| 28 | ABINGTON MEMORIAL HOSPITAL | ABINGTON | PA | NURSE PRACTITIONER | 454 | 1,059 | $127,080 | $120 | premium | 6.3% | (215) 481-2222 |
| 29 | LOUISIANA WOMEN'S HEALTHCARE ASSOCIATES LLC | BATON ROUGE | LA | OBSTETRICS/GYNECOLOGY | 38 | 1,007 | $57,115 | $57 | premium | 15.8% | (225) 201-2000 |
| 30 | PRIVIA MEDICAL GROUP, LLC | ARLINGTON | VA | NURSE PRACTITIONER | 1477 | 965 | $120,453 | $125 | premium | 13.2% | — |
| 31 | MEMPHIS OBSTETRICS AND GYNECOLOGICAL ASSOCIATION PC | MEMPHIS | TN | OBSTETRICS/GYNECOLOGY | 45 | 964 | $43,454 | $45 | premium | 11.7% | (901) 767-8442 |
| 32 | UWH OF MICHIGAN PLC | EAST LANSING | MI | OBSTETRICS/GYNECOLOGY | 86 | 959 | $95,836 | $100 | premium | 19.8% | (517) 484-3000 |
| 33 | SOUTHERN WOMEN'S HEALTH, PLLC | FLOWOOD | MS | OBSTETRICS/GYNECOLOGY | 43 | 904 | $49,725 | $55 | premium | 14.6% | (601) 939-1600 |
| 34 | PRIVIA MEDICAL GROUP GULF COAST PLLC | HOUSTON | TX | NURSE PRACTITIONER | 515 | 883 | $121,294 | $137 | premium | 6.1% | (713) 512-7500 |
| 35 | ST LUKES PHYSICIAN GROUP INC | BETHLEHEM | PA | PHYSICIAN ASSISTANT | 2164 | 867 | $48,601 | $56 | premium | 5.2% | (484) 526-2400 |
| 36 | DOYLESTOWN GYNECOLOGY, LLC | DOYLESTOWN | PA | OBSTETRICS/GYNECOLOGY | 3 | 825 | $57,750 | $70 | premium | 4.9% | (215) 348-2992 |
| 37 | NORTHWEST COMMUNITY WOMEN SERVICES LLC | ARLINGTON HEIGHTS | IL | OBSTETRICS/GYNECOLOGY | 21 | 823 | $96,045 | $117 | premium | 10.8% | (847) 212-3885 |
| 38 | MEDICAL SERVICES OF BELLMORE PC | NEW HYDE PARK | NY | OBSTETRICS/GYNECOLOGY | 17 | 810 | $164,304 | $203 | premium | 1.9% | (718) 470-4400 |
| 39 | MERCY CLINIC EAST COMMUNITIES | SAINT LOUIS | MO | NURSE PRACTITIONER | 580 | 785 | $61,230 | $78 | premium | 16.5% | (314) 872-9192 |
| 40 | WEILL MEDICAL COLLEGE OF CORNELL | NEW YORK | NY | INTERNAL MEDICINE | 2053 | 783 | $127,847 | $163 | premium | 1.8% | (212) 746-5454 |
| 41 | NORTH SHORE LIJ OB GYN AT GARDEN CITY PC | GARDEN CITY | NY | OBSTETRICS/GYNECOLOGY | 13 | 770 | $167,090 | $217 | premium | 1.8% | (516) 222-0722 |
| 42 | WHITE PLAINS PHYSICIAN SERVICES PC | WHITE PLAINS | NY | PHYSICIAN ASSISTANT | 383 | 767 | $137,678 | $180 | premium | 1.8% | (914) 681-0600 |
| 43 | STATE OF FRANKLIN HEALTHCARE ASSOCIATES, PLLC | JOHNSON CITY | TN | NURSE PRACTITIONER | 279 | 763 | $61,040 | $80 | premium | 9.3% | (423) 926-8181 |
| 44 | GENESIS OB GYN PLLC | ORO VALLEY | AZ | OBSTETRICS/GYNECOLOGY | 112 | 748 | $83,887 | $112 | premium | 19.6% | (520) 545-0573 |
| 45 | ACADIANA WOMEN'S HEALTH GROUP, APMC | LAFAYETTE | LA | OBSTETRICS/GYNECOLOGY | 12 | 737 | $29,391 | $40 | premium | 11.6% | (337) 984-1050 |
| 46 | BORO PARK OBSTETRICS AND GYNECOLOGY P.C. | BROOKLYN | NY | OBSTETRICS/GYNECOLOGY | 17 | 700 | $31,235 | $45 | premium | 1.6% | 71897227001121 |
| 47 | MCLEOD PHYSICIAN ASSOCIATES II | FLORENCE | SC | PHYSICIAN ASSISTANT | 534 | 692 | $44,416 | $64 | premium | 12.1% | — |
| 48 | MID-ATLANTIC WOMENS CARE PLC | NORFOLK | VA | OBSTETRICS/GYNECOLOGY | 153 | 689 | $99,216 | $144 | premium | 9.4% | (757) 466-6350 |
| 49 | OB-GYN ASSOCIATES OF ERIE, PC | ERIE | PA | PHYSICIAN ASSISTANT | 61 | 688 | $82,115 | $119 | premium | 4.1% | (814) 480-7760 |
| 50 | TRIHEALTH H LLC | CINCINNATI | OH | OBSTETRICS/GYNECOLOGY | 853 | 683 | $64,578 | $95 | premium | 8.6% | (513) 246-7000 |
| 51 | TOGETHER WOMEN'S HEALTH MEDICAL GROUP, P.C. | ROYAL OAK | MI | OBSTETRICS/GYNECOLOGY | 70 | 671 | $56,560 | $84 | premium | 13.8% | (248) 584-7600 |
| 52 | MATERNOHIO CLINICAL ASSOCIATES LLC | COLUMBUS | OH | OBSTETRICS/GYNECOLOGY | 53 | 652 | $32,600 | $50 | premium | 8.2% | (614) 459-1000 |
| 53 | EISENHOWER MEDICAL CENTER | RANCHO MIRAGE | CA | NURSE PRACTITIONER | 457 | 647 | $42,361 | $65 | premium | 2.9% | (760) 340-3911 |
| 54 | OBGYN PARTNERS OF AUGUSTA, PROFESSIONAL CORPORATION | AUGUSTA | GA | OBSTETRICS/GYNECOLOGY | 22 | 647 | $64,700 | $100 | premium | 7.7% | (706) 722-1381 |
| 55 | WESTCHESTER HEALTH MEDICAL PC | MOUNT KISCO | NY | INTERNAL MEDICINE | 83 | 642 | $139,314 | $217 | premium | 1.5% | (914) 241-9030 |
| 56 | BAPTIST HEALTH MEDICAL GROUP INC | LOUISVILLE | KY | NURSE PRACTITIONER | 2448 | 639 | $51,120 | $80 | premium | 22.0% | (502) 928-1050 |
| 57 | ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI | NEW YORK | NY | PHYSICIAN ASSISTANT | 2818 | 635 | $114,522 | $180 | premium | 1.5% | (212) 241-4812 |
| 58 | HEALTH FIRST MEDICAL GROUP, LLC | MELBOURNE | FL | NURSE PRACTITIONER | 669 | 624 | $50,226 | $80 | premium | 1.9% | (321) 434-8878 |
| 59 | WOMENS CARE OF BEVERLY HILLS MEDICAL GROUP | BEVERLY HILLS | CA | OBSTETRICS/GYNECOLOGY | 6 | 618 | $37,080 | $60 | premium | 2.8% | (310) 657-1600 |
| 60 | MEDICAL ASSOCIATES OF ENGLEWOOD PC | ENGLEWOOD | NJ | INTERNAL MEDICINE | 550 | 597 | $55,050 | $92 | premium | 2.5% | (201) 894-3158 |
| 61 | KARIE MCMURRAY MD INC A MEDICAL CORPORATION | THOUSAND OAKS | CA | NURSE PRACTITIONER | 2 | 591 | $38,415 | $65 | premium | 2.7% | (805) 371-4708 |
| 62 | NOVANT HEALTH MEDICAL GROUP, LLC | WINSTON SALEM | NC | PHYSICIAN ASSISTANT | 2389 | 583 | $60,632 | $104 | premium | 11.1% | (704) 384-8200 |
| 63 | HOAG CLINIC | NEWPORT BEACH | CA | PHYSICIAN ASSISTANT | 436 | 569 | $55,748 | $98 | premium | 2.6% | (949) 791-3370 |
| 64 | VALLEY PHYSICIAN SERVICES PC | HOBOKEN | NJ | NURSE PRACTITIONER | 606 | 566 | $38,872 | $69 | premium | 2.4% | (800) 825-5391 |
| 65 | SMH PHYSICIAN SERVICES INC | SARASOTA | FL | PHYSICIAN ASSISTANT | 766 | 566 | $43,016 | $76 | premium | 1.8% | — |
| 66 | WAYNE MEMORIAL HOSPITAL | HONESDALE | PA | CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) | 54 | 556 | $45,968 | $83 | premium | 3.3% | (570) 253-8133 |
| 67 | YALE UNIVERSITY | NEW HAVEN | CT | PHYSICIAN ASSISTANT | 2649 | 544 | $75,140 | $138 | premium | 9.9% | (203) 688-4242 |
| 68 | NORTH SHORE MEDICAL GROUP OF THE MOUNT SINAI SCHOOL OF MEDICINE | GREENLAWN | NY | DIAGNOSTIC RADIOLOGY | 315 | 540 | $96,200 | $178 | premium | 1.3% | (631) 628-5000 |
| 69 | INSTITUTE FOR WOMEN'S HEALTH AND BODY LLC | WEST PALM BEACH | FL | OBSTETRICS/GYNECOLOGY | 49 | 534 | $78,434 | $147 | premium | 1.7% | (561) 616-9988 |
| 70 | TOWER HEALTH MEDICAL GROUP | WEST READING | PA | INTERNAL MEDICINE | 590 | 531 | $71,154 | $134 | premium | 3.2% | (484) 628-5455 |
| 71 | NORTHERN OHIO MEDICAL SPECIALISTS, LLC | SANDUSKY | OH | NURSE PRACTITIONER | 294 | 529 | $43,907 | $83 | premium | 6.7% | (419) 626-6161 |
| 72 | HEIDI M MCNANEY FLINT MD PA | STUART | FL | NURSE PRACTITIONER | 2 | 517 | $38,775 | $75 | premium | 1.6% | (727) 781-3815 |
| 73 | GEORGETOWN PHYSICIAN ASSOCIATES, LLC | MURRELLS INLET | SC | FAMILY PRACTICE | 230 | 510 | $36,744 | $72 | premium | 8.9% | (843) 652-8450 |
| 74 | PHYSICIAN GROUPS LC | SAINT LOUIS | MO | NURSE PRACTITIONER | 516 | 503 | $44,738 | $89 | premium | 10.6% | (314) 273-0195 |
| 75 | ADVANCED DIAGNOSTIC IMAGING PC | NASHVILLE | TN | NURSE PRACTITIONER | 534 | 498 | $90,138 | $181 | premium | 6.0% | (615) 612-2146 |
| 76 | SOUTHERN OB GYN ASSOCIATES P C | VALDOSTA | GA | DIAGNOSTIC RADIOLOGY | 17 | 497 | $31,808 | $64 | premium | 5.9% | (229) 241-2800 |
| 77 | HR PHYSICIAN SERVICES | MEADOWBROOK | PA | INTERNAL MEDICINE | 178 | 495 | $33,912 | $69 | premium | 3.0% | (215) 436-1420 |
| 78 | SAVANNAH OBGYN PC | SAVANNAH | GA | OBSTETRICS/GYNECOLOGY | 9 | 494 | $24,700 | $50 | premium | 5.9% | (912) 355-4068 |
| 79 | DEBORAH D WILSON M D P C | SCOTTSDALE | AZ | OBSTETRICS/GYNECOLOGY | 4 | 489 | $63,356 | $130 | premium | 12.8% | (480) 860-4791 |
| 80 | CRYSTAL RUN HEALTHCARE PHYSICIANS LLP | MIDDLETOWN | NY | NURSE PRACTITIONER | 372 | 487 | $60,875 | $125 | premium | 1.1% | (845) 703-6999 |
| 81 | WOMENS WELLNESS OF SOUTHERN DELAWARE LLC | LEWES | DE | OBSTETRICS/GYNECOLOGY | 3 | 477 | $46,746 | $98 | premium | 20.3% | 30225753723 |
| 82 | ADVANCED GYNECOLOGY AND SURGERY PLLC | BROOKLYN | NY | OBSTETRICS/GYNECOLOGY | 2 | 470 | $37,600 | $80 | premium | 1.1% | (718) 332-6525 |
| 83 | MAYER J SAAD MD PC | WESTBURY | NY | PHYSICIAN ASSISTANT | 42 | 470 | $70,500 | $150 | premium | 1.1% | (516) 333-1444 |
| 84 | WEST LITTLE ROCK WOMENS CENTER PA | LITTLE ROCK | AR | OBSTETRICS/GYNECOLOGY | 3 | 469 | $35,644 | $76 | premium | 16.5% | (501) 907-6699 |
| 85 | MASS GENERAL BRIGHAM MEDICAL GROUP NORTHERN MASSACHUSETTS INC | SALEM | MA | NURSE PRACTITIONER | 803 | 462 | $90,726 | $196 | premium | 5.4% | (978) 741-4133 |
| 86 | UNIVERSITY OF MARYLAND COMMUNITY MEDICAL GROUP INC | GLEN BURNIE | MD | NURSE PRACTITIONER | 458 | 448 | $60,000 | $134 | premium | 6.3% | (410) 761-1222 |
| 87 | UNIVERSITY OF PITTSBURGH PHYSICIANS | PITTSBURGH | PA | DIAGNOSTIC RADIOLOGY | 4291 | 445 | $37,151 | $83 | premium | 2.7% | — |
| 88 | CHRIST HOSPITAL MEDICAL SPECIALISTS LLC | CINCINNATI | OH | OBSTETRICS/GYNECOLOGY | 129 | 441 | $34,818 | $79 | premium | 5.5% | (513) 241-4774 |
| 89 | SPARTANBURG MEDICAL CENTER | SPARTANBURG | SC | NURSE PRACTITIONER | 1070 | 441 | $52,247 | $118 | premium | 7.7% | (864) 587-3000 |
| 90 | TEXAS HEALTH CARE PLLC | FORT WORTH | TX | NURSE PRACTITIONER | 364 | 440 | $43,911 | $100 | premium | 3.1% | (817) 920-0484 |
| 91 | CEDARS-SINAI MEDICAL CARE FOUNDATION | LOS ANGELES | CA | PHYSICIAN ASSISTANT | 1699 | 433 | $70,817 | $164 | premium | 2.0% | (310) 423-0674 |
| 92 | BASS MEDICAL GROUP | WALNUT CREEK | CA | OTOLARYNGOLOGY | 318 | 426 | $104,985 | $246 | premium | 1.9% | — |
| 93 | PROHEALTH PARTNERS, A MEDICAL GROUP | LONG BEACH | CA | INTERNAL MEDICINE | 228 | 423 | $42,300 | $100 | premium | 1.9% | (562) 495-4952 |
| 94 | DUPAGE MEDICAL GROUP LTD | GLEN ELLYN | IL | PHYSICIAN ASSISTANT | 1323 | 418 | $42,218 | $101 | premium | 5.5% | (630) 469-9200 |
| 95 | MONTEFIORE MEDICAL CENTER | BRONX | NY | PHYSICAL THERAPIST IN PRIVATE PRACTICE | 2796 | 417 | $112,590 | $270 | premium | 1.0% | (866) 633-8255 |
| 96 | WELLSTAR MEDICAL GROUP LLC | MARIETTA | GA | NURSE PRACTITIONER | 3060 | 402 | $52,336 | $130 | premium | 4.8% | (770) 422-2004 |
| 97 | ADVANTAGECARE PHYSICIANS PC | BROOKLYN | NY | INTERNAL MEDICINE | 318 | 396 | $51,630 | $130 | premium | 0.9% | (718) 858-6300 |
| 98 | ST PAUL PLACE SPECIALISTS, INC. | BALTIMORE | MD | PHYSICIAN ASSISTANT | 337 | 389 | $37,321 | $96 | premium | 5.5% | (410) 663-8100 |
| 99 | CENTRAL DUPAGE PHYSICIAN GROUP | WHEATON | IL | PHYSICIAN ASSISTANT | 1097 | 389 | $42,852 | $110 | premium | 5.1% | (630) 933-4800 |
| 100 | MAIN LINE HEALTHCARE | BRYN MAWR | PA | NURSE PRACTITIONER | 1157 | 386 | $31,215 | $81 | premium | 2.3% | — |
Showing the top 100 of 1,449 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 →