99215 — Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
1,168,587 observed fee-for-service (49%) · ~1,202,320 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
- 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 | Specialty | Providers | 99215 svcs | Submitted charges | Avg charge | Medicare $ locked column | Share* | Phone |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | INTERNAL MEDICINE | 3716 | 91,099 | $46,247,063 | $508 | premium | 5.0% | (415) 600-1020 |
| 2 | STANFORD HEALTH CARE | STANFORD | DIAGNOSTIC RADIOLOGY | 3039 | 82,328 | $44,807,564 | $544 | premium | 4.6% | (650) 723-4000 |
| 3 | THE REGENTS OF THE UNIVERSITY OF CALIFORNIA | LOS ANGELES | INTERNAL MEDICINE | 1424 | 57,931 | $55,611,187 | $960 | premium | 3.2% | (310) 825-7922 |
| 4 | SCRIPPS HEALTH | LA JOLLA | PHYSICIAN ASSISTANT | 1431 | 52,537 | $25,815,241 | $491 | premium | 2.9% | (858) 455-9100 |
| 5 | REGENTS OF THE UNIVERSITY OF CALIFORNIA | SAN DIEGO | DIAGNOSTIC RADIOLOGY | 2057 | 44,822 | $24,158,747 | $539 | premium | 2.5% | (800) 926-8273 |
| 6 | CITY OF HOPE MEDICAL FOUNDATION | DUARTE | NURSE PRACTITIONER | 942 | 44,016 | $19,493,651 | $443 | premium | 2.4% | (626) 256-4673 |
| 7 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | DIAGNOSTIC RADIOLOGY | 2420 | 39,445 | $18,985,337 | $481 | premium | 2.2% | (916) 681-8852 |
| 8 | CEDARS-SINAI MEDICAL CARE FOUNDATION | LOS ANGELES | PHYSICIAN ASSISTANT | 1699 | 28,593 | $19,236,185 | $673 | premium | 1.6% | (310) 423-0674 |
| 9 | DIGNITY HEALTH MEDICAL FOUNDATION | FOLSOM | DIAGNOSTIC RADIOLOGY | 1197 | 25,644 | $16,714,687 | $652 | premium | 1.4% | (916) 983-7476 |
| 10 | PROVIDENCE MEDICAL FOUNDATION | FULLERTON | PHYSICIAN ASSISTANT | 1455 | 22,907 | $12,920,739 | $564 | premium | 1.3% | (714) 871-3006 |
| 11 | UC REGENTS | ORANGE | INTERNAL MEDICINE | 296 | 19,958 | $13,742,102 | $689 | premium | 1.1% | (714) 456-7002 |
| 12 | JOHN MUIR PHYSICIAN NETWORK | WALNUT CREEK | FAMILY PRACTICE | 489 | 19,522 | $8,210,776 | $421 | premium | 1.1% | (925) 296-9720 |
| 13 | EISENHOWER MEDICAL CENTER | RANCHO MIRAGE | NURSE PRACTITIONER | 457 | 18,848 | $6,562,382 | $348 | premium | 1.0% | (760) 340-3911 |
| 14 | USC CARE MEDICAL GROUP INC | LOS ANGELES | DIAGNOSTIC RADIOLOGY | 1374 | 17,286 | $9,289,989 | $537 | premium | 1.0% | (800) 872-2273 |
| 15 | UNIVERSITY OF CALIFORNIA SAN FRANCISCO | SAN FRANCISCO | DIAGNOSTIC RADIOLOGY | 1842 | 15,608 | $12,042,316 | $772 | premium | 0.9% | (415) 476-4029 |
| 16 | REGENTS OF THE UNIV OF CA | SACRAMENTO | DIAGNOSTIC RADIOLOGY | 1608 | 15,313 | $10,695,165 | $698 | premium | 0.8% | (877) 827-7463 |
| 17 | UNIVERSITY HEALTHCARE ALLIANCE | PLEASANTON | INTERNAL MEDICINE | 332 | 12,238 | $6,630,692 | $542 | premium | 0.7% | (925) 462-7060 |
| 18 | UCSF MEDICAL GROUP BUSINESS SERVICES | SAN FRANCISCO | DIAGNOSTIC RADIOLOGY | 1548 | 10,734 | $8,248,904 | $768 | premium | 0.6% | (415) 476-1000 |
| 19 | PROVIDENCE SAINT JOHNS MEDICAL FOUNDATION | SANTA MONICA | PHYSICIAN ASSISTANT | 287 | 9,237 | $7,696,913 | $833 | premium | 0.5% | (310) 829-6789 |
| 20 | PACIFIC CENTRAL COAST HEALTH CENTERS | SANTA MARIA | PHYSICIAN ASSISTANT | 249 | 8,939 | $3,683,529 | $412 | premium | 0.5% | (805) 349-8514 |
| 21 | CEDARS-SINAI MEDICAL CENTER | WEST HOLLYWOOD | NURSE PRACTITIONER | 802 | 8,837 | $4,413,470 | $499 | premium | 0.5% | (310) 423-3277 |
| 22 | EL CAMINO HEALTH MEDICAL NETWORK LLC | SAN JOSE | PHYSICIAN ASSISTANT | 199 | 7,541 | $4,733,312 | $628 | premium | 0.4% | (408) 871-3400 |
| 23 | BASS MEDICAL GROUP | WALNUT CREEK | OTOLARYNGOLOGY | 318 | 7,437 | $4,571,983 | $615 | premium | 0.4% | — |
| 24 | FACULTY PHYSICIANS AND SURGEONS OF LLUSM | LOMA LINDA | DIAGNOSTIC RADIOLOGY | 1317 | 7,261 | $3,344,692 | $461 | premium | 0.4% | — |
| 25 | UC SAN DIEGO HEALTH COMMUNITY GROUP | SAN DIEGO | PHYSICIAN ASSISTANT | 110 | 6,778 | $3,832,430 | $565 | premium | 0.4% | (800) 926-8273 |
| 26 | SANSUM CLINIC | SANTA BARBARA | INTERNAL MEDICINE | 322 | 6,526 | $3,089,976 | $473 | premium | 0.4% | (805) 681-7500 |
| 27 | ENLOE SPECIALTY PHYSICIANS, INC | CHICO | PHYSICIAN ASSISTANT | 26 | 5,958 | $1,945,188 | $326 | premium | 0.3% | (530) 332-3808 |
| 28 | PROSTATE ONCOLOGY SPECIALISTS, INC. | MARINA DEL REY | HEMATOLOGY/ONCOLOGY | 3 | 5,780 | $1,878,500 | $325 | premium | 0.3% | (310) 827-7707 |
| 29 | CABRILLO CARDIOLOGY MEDICAL GROUP INC | OXNARD | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 9 | 5,559 | $1,667,590 | $300 | premium | 0.3% | (805) 351-8212 |
| 30 | CALIFORNIA CANCER ASSOCIATES FOR RESEARCH AND EXCELLENCE INC | FRESNO | HEMATOLOGY/ONCOLOGY | 62 | 5,412 | $3,019,932 | $558 | premium | 0.3% | (559) 326-1222 |
| 31 | REGENTS UNIV OF CALIFORNIA UCSF | SAN FRANCISCO | PHYSICIAN ASSISTANT | 277 | 5,164 | $3,899,243 | $755 | premium | 0.3% | (415) 476-1000 |
| 32 | IAN PURCELL, MD, APC | SAN DIEGO | NEUROLOGY | 4 | 4,995 | $1,123,875 | $225 | premium | 0.3% | (858) 223-2172 |
| 33 | HOAG CLINIC | NEWPORT BEACH | PHYSICIAN ASSISTANT | 436 | 4,866 | $1,976,130 | $406 | premium | 0.3% | (949) 791-3370 |
| 34 | REGENTS OF THE UNIVERSITY OF CALIFORNIA | SACRAMENTO | FAMILY PRACTICE | 561 | 4,606 | $3,154,165 | $685 | premium | 0.3% | (916) 734-7777 |
| 35 | ADVENTIST HEALTH PHYSICIANS NETWORK | HANFORD | NURSE PRACTITIONER | 651 | 4,437 | $1,810,627 | $408 | premium | 0.2% | (559) 583-4695 |
| 36 | REGENTS OF THE UNIVERSITY OF CLAIFORNIA UNIV NEURSCIENCES | ORANGE | NEUROLOGY | 75 | 4,359 | $2,916,289 | $669 | premium | 0.2% | (714) 456-7004 |
| 37 | THE REGENTS OF THE UNIVERSITY OF CALIFORNIA | LOS ANGELES | NEUROLOGY | 102 | 4,172 | $3,565,499 | $855 | premium | 0.2% | — |
| 38 | MONTAGE MEDICAL GROUP | MONTEREY | FAMILY PRACTICE | 125 | 4,013 | $1,168,838 | $291 | premium | 0.2% | (831) 718-9701 |
| 39 | RENAL CONSULTANTS MEDICAL GROUP | NEWHALL | NEPHROLOGY | 8 | 3,989 | $1,077,090 | $270 | premium | 0.2% | (661) 254-0193 |
| 40 | ENLOE MEDICAL CENTER | CHICO | DIAGNOSTIC RADIOLOGY | 362 | 3,886 | $1,261,508 | $325 | premium | 0.2% | (530) 332-4470 |
| 41 | EPIC CARE | PLEASANT HILL | HEMATOLOGY/ONCOLOGY | 54 | 3,825 | $2,289,924 | $599 | premium | 0.2% | (925) 687-2570 |
| 42 | COMMUNITY HEALTH PARTNERS | FRESNO | INTERNAL MEDICINE | 509 | 3,787 | $1,906,559 | $503 | premium | 0.2% | (559) 459-6000 |
| 43 | TORRANCE HEALTH ASSOCIATION INC | TORRANCE | FAMILY PRACTICE | 298 | 3,775 | $1,132,151 | $300 | premium | 0.2% | (310) 257-7260 |
| 44 | MEMORIALCARE MEDICAL FOUNDATION | LONG BEACH | FAMILY PRACTICE | 549 | 3,685 | $1,490,852 | $405 | premium | 0.2% | (562) 346-2222 |
| 45 | NORTH COUNTY NEUROLOGY ASSOCIATES MEDICAL GROUP | CARLSBAD | NEUROLOGY | 44 | 3,539 | $1,325,986 | $375 | premium | 0.2% | (760) 631-3000 |
| 46 | CARDIOVASCULAR MEDICAL GROUP OF SOUTHERN CALIFORNIA | BEVERLY HILLS | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 11 | 3,528 | $1,411,200 | $400 | premium | 0.2% | (310) 278-3400 |
| 47 | PROVIDENCE MEDICAL INSTITUTE | TORRANCE | INTERNAL MEDICINE | 339 | 3,493 | $1,807,938 | $518 | premium | 0.2% | (310) 303-7496 |
| 48 | SHARP REES-STEALY MEDICAL GROUP INC | SAN DIEGO | PHYSICIAN ASSISTANT | 872 | 3,352 | $1,601,858 | $478 | premium | 0.2% | (858) 499-2600 |
| 49 | WEST COAST KIDNEY | WALNUT CREEK | NEPHROLOGY | 55 | 3,196 | $1,385,686 | $434 | premium | 0.2% | (925) 944-0351 |
| 50 | SANDEEP THAKKAR DO A PROFESSIONAL CORPORATION | IRVINE | PHYSICIAN ASSISTANT | 4 | 3,143 | $785,450 | $250 | premium | 0.2% | — |
| 51 | MICHAEL P SHERMAN MD PHD A MEDICAL CORPORATION | WALNUT CREEK | HEMATOLOGY/ONCOLOGY | 13 | 3,105 | $962,740 | $310 | premium | 0.2% | (925) 939-9610 |
| 52 | CENTRIC HEALTH | BAKERSFIELD | INTERNAL MEDICINE | 63 | 3,103 | $941,944 | $304 | premium | 0.2% | — |
| 53 | REGENTS OF THE UNIVERSITY OF CALIFORNIA LOS ANGELES | SANTA MONICA | OBSTETRICS/GYNECOLOGY | 80 | 3,070 | $2,967,530 | $967 | premium | 0.2% | (310) 319-5098 |
| 54 | JAY N SCHAPIRA M D INC A PROFESSIONAL CORPORATION | LOS ANGELES | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 2 | 2,987 | $1,791,620 | $600 | premium | 0.2% | (310) 659-2030 |
| 55 | LOS ANGELES HEMATOLOGY-ONCOLOGY MEDICAL GROUP | LOS ANGELES | HEMATOLOGY/ONCOLOGY | 51 | 2,971 | $1,539,392 | $518 | premium | 0.2% | (213) 977-1214 |
| 56 | STOCKTON CARDIOLOGY MEDICAL GROUP COMPLETE HEART CARE INC | STOCKTON | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 14 | 2,947 | $681,505 | $231 | premium | 0.2% | — |
| 57 | PROHEALTH PARTNERS, A MEDICAL GROUP | LONG BEACH | INTERNAL MEDICINE | 228 | 2,913 | $980,864 | $337 | premium | 0.2% | (562) 495-4952 |
| 58 | NEWPORT NEUROHOSPITALIST MEDICAL GROUP, INC | Newport Beach | NEUROLOGY | 7 | 2,689 | $809,050 | $301 | premium | 0.1% | — |
| 59 | SCRIPPS CARDIOLOGY MEDICAL GROUP, INC. | LA JOLLA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 18 | 2,621 | $809,076 | $309 | premium | 0.1% | (858) 457-4123 |
| 60 | REGENTS OF THE UNIVERSITY OF CALIFORNIA | ORANGE | FAMILY PRACTICE | 65 | 2,480 | $1,981,070 | $799 | premium | 0.1% | (714) 456-7002 |
| 61 | SONORA COMMUNITY HOSPITAL | SONORA | PHYSICIAN ASSISTANT | 139 | 2,349 | $671,267 | $286 | premium | 0.1% | — |
| 62 | DAVID B. HAMMER | TEMPLETON | FAMILY PRACTICE | 112 | 2,298 | $580,058 | $252 | premium | 0.1% | — |
| 63 | FIRST CHOICE PHYSICIAN PARTNERS | PALM SPRINGS | PHYSICIAN ASSISTANT | 148 | 2,293 | $820,415 | $358 | premium | 0.1% | — |
| 64 | MONTEREY BAY ONCOLOGY A MEDICAL CORPORATION | MONTEREY | HEMATOLOGY/ONCOLOGY | 10 | 2,272 | $1,083,744 | $477 | premium | 0.1% | (831) 375-4105 |
| 65 | PIH HEALTH PHYSICIANS | WHITTIER | INTERNAL MEDICINE | 606 | 2,239 | $1,105,763 | $494 | premium | 0.1% | (562) 698-0811 |
| 66 | DIGNITY HEALTH | REDDING | FAMILY PRACTICE | 87 | 2,224 | $515,423 | $232 | premium | 0.1% | (530) 245-2900 |
| 67 | JULES STEIN EYE INSTITUTE MEDICAL GROUP | ARCADIA | OPHTHALMOLOGY | 116 | 2,167 | $2,093,598 | $966 | premium | 0.1% | (323) 442-7122 |
| 68 | PRIVATE PHYSICIANS MEDICAL ASSOCIATES | NEWPORT BEACH | INTERNAL MEDICINE | 4 | 2,131 | $591,585 | $278 | premium | 0.1% | (949) 566-8179 |
| 69 | COUNTY OF SANTA CLARA | SAN JOSE | INTERNAL MEDICINE | 1001 | 2,112 | $1,278,205 | $605 | premium | 0.1% | (408) 885-5000 |
| 70 | ELAYNE K GARBER MD A MEDICAL CORPORATION | LOS ANGELES | RHEUMATOLOGY | 2 | 2,109 | $488,265 | $232 | premium | 0.1% | (310) 854-3539 |
| 71 | CANCER AND BLOOD SPECIALTY CLINIC | LOS ALAMITOS | HEMATOLOGY/ONCOLOGY | 17 | 2,108 | $859,280 | $408 | premium | 0.1% | (562) 598-9745 |
| 72 | DESERT HEMATOLOGY-ONCOLOGY MEDICAL GROUP INC | RANCHO MIRAGE | HEMATOLOGY/ONCOLOGY | 10 | 2,084 | $979,333 | $470 | premium | 0.1% | (760) 568-3613 |
| 73 | RAVI PATEL M D INC | BAKERSFIELD | HEMATOLOGY/ONCOLOGY | 20 | 1,999 | $1,137,431 | $569 | premium | 0.1% | (661) 322-2206 |
| 74 | ANTELOPE VALLEY CARDIOLOGY ASSOCIATES | LANCASTER | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 5 | 1,994 | $641,280 | $322 | premium | 0.1% | (661) 674-4222 |
| 75 | PALOMA MEDICAL GROUP INC | SAN JUAN CAPISTRANO | PULMONARY DISEASE | 13 | 1,991 | $852,814 | $428 | premium | 0.1% | (949) 443-4303 |
| 76 | COAST PULMONARY AND INTERNAL MEDICINE ASSOCIATES | FOUNTAIN VALLEY | PHYSICAL MEDICINE AND REHABILITATION | 2 | 1,898 | $408,460 | $215 | premium | 0.1% | (714) 545-8700 |
| 77 | CENTER FOR ADVANCED CARDIAC AND VASCULAR INTERVENTIONS | TARZANA | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 11 | 1,897 | $668,472 | $352 | premium | 0.1% | (818) 905-5904 |
| 78 | SCRIPPS HEALTH INPATIENT PROVIDERS MEDICAL GROUP INC | SAN DIEGO | INTERNAL MEDICINE | 205 | 1,886 | $786,276 | $417 | premium | 0.1% | (619) 294-8111 |
| 79 | WASHINGTON TOWNSHIP MEDICAL FOUNDATION | FREMONT | CRITICAL CARE (INTENSIVISTS) | 120 | 1,869 | $901,510 | $482 | premium | 0.1% | (510) 248-1000 |
| 80 | SVMHS CLINICS | SALINAS | PHYSICIAN ASSISTANT | 245 | 1,847 | $624,357 | $338 | premium | 0.1% | (831) 422-3636 |
| 81 | FAMILY CHOICE ACO INC | WESTMINSTER | FAMILY PRACTICE | 62 | 1,639 | $503,530 | $307 | premium | 0.1% | (714) 898-0765 |
| 82 | PEREZ SALEHY MEDICAL APC | THOUSAND OAKS | INTERNAL MEDICINE | 2 | 1,636 | $647,234 | $396 | premium | 0.1% | (805) 309-0525 |
| 83 | SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP | LOS ANGELES | INTERNAL MEDICINE | 11157 | 1,634 | $881,361 | $539 | premium | 0.1% | (800) 954-8000 |
| 84 | AHURA HEALTHCARE CORPORATION | CORONA | ANESTHESIOLOGY | 3 | 1,634 | $432,058 | $264 | premium | 0.1% | (888) 873-6220 |
| 85 | NEWPORT HUNTINGTON MEDICAL GROUP | HUNTINGTON BEACH | RHEUMATOLOGY | 5 | 1,624 | $535,935 | $330 | premium | 0.1% | (714) 378-2421 |
| 86 | NARAGHI AND NAIM MEDICAL PARTNERSHIP | BEVERLY HILLS | PULMONARY DISEASE | 2 | 1,619 | $809,200 | $500 | premium | 0.1% | (310) 691-1138 |
| 87 | SOUTHERN CALIFORNIA KIDNEY ASSOCIATES INC | NEWPORT BEACH | NEPHROLOGY | 6 | 1,582 | $637,827 | $403 | premium | 0.1% | (949) 642-4974 |
| 88 | HENRY TANG D O INC | SIMI VALLEY | NEUROLOGY | 2 | 1,545 | $540,090 | $350 | premium | 0.1% | (805) 579-9999 |
| 89 | ARCH HEALTH PARTNERS INC | POWAY | PHYSICIAN ASSISTANT | 161 | 1,533 | $753,671 | $492 | premium | 0.1% | (858) 485-0050 |
| 90 | COMMUNITY HOSPITAL OF THE MONTEREY PENINSULA | MONTEREY | EMERGENCY MEDICINE | 141 | 1,529 | $504,015 | $330 | premium | 0.1% | (831) 624-5311 |
| 91 | COMMUNITY ORTHOPEDIC MEDICAL GROUP | MISSION VIEJO | PHYSICIAN ASSISTANT | 16 | 1,527 | $427,825 | $280 | premium | 0.1% | (949) 348-4000 |
| 92 | THE REGENTS OF THE UNIVERSITY OF CALIFORNIA | LOS ANGELES | UROLOGY | 48 | 1,466 | $1,410,894 | $962 | premium | 0.1% | (310) 794-8492 |
| 93 | METHODIST PHYSICIAN PRACTICES PLLC | SAN ANTONIO | INTERVENTIONAL CARDIOLOGY | 169 | 1,461 | $535,263 | $366 | premium | 0.1% | (210) 575-8289 |
| 94 | GOLDEN STATE ORTHOPEDICS AND SPINE | WALNUT CREEK | ORTHOPEDIC SURGERY | 190 | 1,440 | $918,720 | $638 | premium | 0.1% | (925) 939-8585 |
| 95 | COMMUNITY MEMORIAL HEALTH SYSTEM | VENTURA | FAMILY PRACTICE | 190 | 1,421 | $325,339 | $229 | premium | 0.1% | (805) 652-5011 |
| 96 | ANNA STEINER MEDICAL, INC. | FOUNTAIN VALLEY | CHIROPRACTIC | 3 | 1,406 | $421,800 | $300 | premium | 0.1% | (714) 965-5145 |
| 97 | MARIN CANCER CARE, INC. | GREENBRAE | MEDICAL ONCOLOGY | 13 | 1,396 | $579,460 | $415 | premium | 0.1% | (415) 925-5000 |
| 98 | JEFFREY E GALPIN MD INC | TARZANA | INTERNAL MEDICINE | 2 | 1,393 | $606,257 | $435 | premium | 0.1% | (818) 344-6111 |
| 99 | MICHAEL K LAI M D INC | SANTA MARIA | ENDOCRINOLOGY | 2 | 1,390 | $560,300 | $403 | premium | 0.1% | (805) 349-8972 |
| 100 | MEMORIAL CARDIOLOGY MEDICAL GROUP INC | LONG BEACH | CARDIOVASCULAR DISEASE (CARDIOLOGY) | 7 | 1,351 | $408,813 | $303 | premium | 0.1% | (562) 595-8671 |
Showing the top 100 of 1,637 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 →