Who bills the most Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina (76830) to Medicare in California?
Medicare Part B FFS · CY2024 · as published by CMS134 physician groups billed Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina (76830) to Medicare fee-for-service in California in 2024; the top five named groups hold 29% of that volume, and independent (non-hospital-affiliated) groups deliver 3%.
76830 — Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina · Source: CMS Medicare Physician & Other Practitioners PUF (Part B), CY2024 release. Medicare fee-for-service only.
Snapshot covers the whole California market — the table below shows the top 100 groups (free tier).
Medicare fee-for-service covers 49% of Medicare in California; Medicare Advantage penetration 45% → 51% since 2020.
| # | Physician group | City | St | Specialty | Providers | 76830 svcs | Share* | Phone |
|---|---|---|---|---|---|---|---|---|
| 1 | SUTTER BAY MEDICAL FOUNDATION | PALO ALTO | CA | INTERNAL MEDICINE | 3716 | 1,550 | 4.4% | (415) 600-1020 |
| 2 | SUTTER VALLEY MEDICAL FOUNDATION | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 2420 | 1,108 | 3.1% | (916) 681-8852 |
| 3 | SCRIPPS HEALTH | LA JOLLA | CA | PHYSICIAN ASSISTANT | 1431 | 854 | 2.4% | (858) 455-9100 |
| 4 | DIGNITY HEALTH MEDICAL FOUNDATION | FOLSOM | CA | DIAGNOSTIC RADIOLOGY | 1197 | 465 | 1.3% | (916) 983-7476 |
| 5 | BEVERLY RADIOLOGY MEDICAL GROUP III | GARDEN GROVE | CA | DIAGNOSTIC RADIOLOGY | 328 | 379 | 1.1% | — |
| 6 | REGENTS OF THE UNIVERSITY OF CALIFORNIA | SAN DIEGO | CA | DIAGNOSTIC RADIOLOGY | 2057 | 346 | 1.0% | (800) 926-8273 |
| 7 | WOMENS CARE OF BEVERLY HILLS MEDICAL GROUP | BEVERLY HILLS | CA | OBSTETRICS/GYNECOLOGY | 6 | 331 | 0.9% | (310) 657-1600 |
| 8 | PROVIDENCE SAINT JOHNS MEDICAL FOUNDATION | SANTA MONICA | CA | PHYSICIAN ASSISTANT | 287 | 320 | 0.9% | (310) 829-6789 |
| 9 | VIJAY ARORA MD INC | APPLE VALLEY | CA | OBSTETRICS/GYNECOLOGY | 2 | 317 | 0.9% | (760) 242-2146 |
| 10 | STANFORD HEALTH CARE | STANFORD | CA | DIAGNOSTIC RADIOLOGY | 3039 | 300 | 0.8% | (650) 723-4000 |
| 11 | PALM DESERT RADIOLOGY MEDICAL GROUP INC | RANCHO MIRAGE | CA | DIAGNOSTIC RADIOLOGY | 125 | 299 | 0.8% | (760) 773-1251 |
| 12 | UCLA RADIOLOGY MEDICAL GROUP | LOS ANGELES | CA | DIAGNOSTIC RADIOLOGY | 191 | 296 | 0.8% | (310) 301-6800 |
| 13 | ASSOCIATED OB GYN SPECIALISTS OF SANTA BARBARA | SANTA BARBARA | CA | OBSTETRICS/GYNECOLOGY | 2 | 260 | 0.7% | (805) 682-8166 |
| 14 | COMMUNITY HOSPITAL OF THE MONTEREY PENINSULA | MONTEREY | CA | EMERGENCY MEDICINE | 141 | 257 | 0.7% | (831) 624-5311 |
| 15 | RADIANT IMAGING INC | PASADENA | CA | DIAGNOSTIC RADIOLOGY | 67 | 255 | 0.7% | (626) 229-8969 |
| 16 | LUDMILA B BESS MD A PROFESSIONAL CORPORATION | LOS ANGELES | CA | OBSTETRICS/GYNECOLOGY | 2 | 253 | 0.7% | 3239348877228 |
| 17 | THE REGENTS OF THE UNIVERSITY OF CALIFORNIA | LOS ANGELES | CA | OBSTETRICS/GYNECOLOGY | 54 | 234 | 0.7% | (310) 794-7274 |
| 18 | CALIFORNIA MANAGED IMAGING MEDICAL GROUP INC | SANTA BARBARA | CA | DIAGNOSTIC RADIOLOGY | 64 | 224 | 0.6% | (800) 841-4236 |
| 19 | LEBOVIC SCHWIMER AND GOLDBERG MEDICAL GROUP | BEVERLY HILLS | CA | DIAGNOSTIC RADIOLOGY | 3 | 217 | 0.6% | (310) 394-2761 |
| 20 | REGENTS OF THE UNIV OF CA | SACRAMENTO | CA | DIAGNOSTIC RADIOLOGY | 1608 | 214 | 0.6% | (877) 827-7463 |
| 21 | MAGELLA MEDICAL GROUP INC | LONG BEACH | CA | OBSTETRICS/GYNECOLOGY | 25 | 210 | 0.6% | 80024338397746 |
| 22 | HOAG CLINIC | NEWPORT BEACH | CA | PHYSICIAN ASSISTANT | 436 | 193 | 0.5% | (949) 791-3370 |
| 23 | SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP | LOS ANGELES | CA | INTERNAL MEDICINE | 11157 | 176 | 0.5% | (800) 954-8000 |
| 24 | CALIFORNIA ADVANCED IMAGING MEDICAL ASSOCIATES INC | SAN FRANCISCO | CA | DIAGNOSTIC RADIOLOGY | 86 | 171 | 0.5% | (415) 600-3232 |
| 25 | CEDARS-SINAI MEDICAL CARE FOUNDATION | LOS ANGELES | CA | PHYSICIAN ASSISTANT | 1699 | 167 | 0.5% | (310) 423-0674 |
| 26 | CITY OF HOPE MEDICAL FOUNDATION | DUARTE | CA | NURSE PRACTITIONER | 942 | 166 | 0.5% | (626) 256-4673 |
| 27 | MERCED MRI MEDICAL GROUP | LOS BANOS | CA | DIAGNOSTIC RADIOLOGY | 4 | 153 | 0.4% | (209) 384-4250 |
| 28 | EISENHOWER MEDICAL CENTER | RANCHO MIRAGE | CA | NURSE PRACTITIONER | 457 | 152 | 0.4% | (760) 340-3911 |
| 29 | UNIVERSITY HEALTHCARE ALLIANCE | PLEASANTON | CA | INTERNAL MEDICINE | 332 | 150 | 0.4% | (925) 462-7060 |
| 30 | SVMHS CLINICS | SALINAS | CA | PHYSICIAN ASSISTANT | 245 | 143 | 0.4% | (831) 422-3636 |
| 31 | IHS RADIOLOGY MEDICAL GROUP INC | SAN DIEGO | CA | DIAGNOSTIC RADIOLOGY | 68 | 142 | 0.4% | (619) 295-9729 |
| 32 | UC REGENTS | ORANGE | CA | DIAGNOSTIC RADIOLOGY | 99 | 136 | 0.4% | (714) 456-7004 |
| 33 | HALO MEDICAL GROUP | INDIAN WELLS | CA | DIAGNOSTIC RADIOLOGY | 22 | 132 | 0.4% | (760) 776-8989 |
| 34 | SELAH WOMEN'S HEALTH PC | REDDING | CA | OBSTETRICS/GYNECOLOGY | 4 | 125 | 0.4% | (530) 338-0002 |
| 35 | VALLEY RADIOLOGY MEDICAL ASSOCIATES INC | SAN JOSE | CA | DIAGNOSTIC RADIOLOGY | 25 | 116 | 0.3% | (408) 358-6881 |
| 36 | HUMBOLDT RADIOLOGY MEDICAL GROUP,INC | EUREKA | CA | DIAGNOSTIC RADIOLOGY | 13 | 112 | 0.3% | (707) 445-5431 |
| 37 | SAN LUIS IMAGING MEDICAL GROUP INC | SAN LUIS OBISPO | CA | DIAGNOSTIC RADIOLOGY | 4 | 111 | 0.3% | (805) 542-9700 |
| 38 | IGO MEDICAL GROUP AMC | SAN DIEGO | CA | OBSTETRICS/GYNECOLOGY | 11 | 111 | 0.3% | 8584551248145 |
| 39 | HELEN HUYNH D O INC | ROSEMEAD | CA | OBSTETRICS/GYNECOLOGY | 2 | 106 | 0.3% | (626) 773-8900 |
| 40 | POMONA VALLEY IMAGING MEDICAL GROUP INC | POMONA | CA | DIAGNOSTIC RADIOLOGY | 18 | 99 | 0.3% | (909) 469-9472 |
| 41 | SHARP REES-STEALY MEDICAL GROUP INC | SAN DIEGO | CA | PHYSICIAN ASSISTANT | 872 | 98 | 0.3% | (858) 499-2600 |
| 42 | COMMUNITY FOUNDATION MEDICAL GROUP | FRESNO | CA | PHYSICIAN ASSISTANT | 292 | 97 | 0.3% | — |
| 43 | RODEO MEDICAL GROUP | BEVERLY HILLS | CA | OBSTETRICS/GYNECOLOGY | 6 | 96 | 0.3% | (310) 432-6640 |
| 44 | MORAN ROWEN AND DORSEY INC | ORANGE | CA | DIAGNOSTIC RADIOLOGY | 35 | 94 | 0.3% | (714) 628-3305 |
| 45 | QUANTUM IMAGING AND THERAPEUTIC ASSOCIATES INC | HARRISBURG | CA | DIAGNOSTIC RADIOLOGY | 90 | 91 | 0.3% | (717) 932-5200 |
| 46 | MOUNT SHASTA RADIOLOGY INC | MOUNT SHASTA | CA | DIAGNOSTIC RADIOLOGY | 5 | 87 | 0.2% | (530) 926-6111 |
| 47 | USC CARE MEDICAL GROUP INC | LOS ANGELES | CA | DIAGNOSTIC RADIOLOGY | 1374 | 86 | 0.2% | (800) 872-2273 |
| 48 | TORRANCE HEALTH ASSOCIATION INC | TORRANCE | CA | FAMILY PRACTICE | 298 | 82 | 0.2% | (310) 257-7260 |
| 49 | ENLOE MEDICAL CENTER | CHICO | CA | DIAGNOSTIC RADIOLOGY | 362 | 78 | 0.2% | (530) 332-4470 |
| 50 | WOMENS OBGYN | SANTA ROSA | CA | OBSTETRICS/GYNECOLOGY | 2 | 78 | 0.2% | (707) 575-1626 |
| 51 | JASON L HWANG MD INC | SONORA | CA | DIAGNOSTIC RADIOLOGY | 51 | 76 | 0.2% | (855) 504-4544 |
| 52 | KERN RADIOLOGY MEDICAL GROUP INC | BAKERSFIELD | CA | DIAGNOSTIC RADIOLOGY | 87 | 72 | 0.2% | (661) 616-1458 |
| 53 | FACULTY PHYSICIANS AND SURGEONS OF LLUSM | LOMA LINDA | CA | DIAGNOSTIC RADIOLOGY | 1317 | 70 | 0.2% | — |
| 54 | PRIMA MEDICAL FOUNDATION | GREENBRAE | CA | DIAGNOSTIC RADIOLOGY | 29 | 64 | 0.2% | (415) 925-7301 |
| 55 | ALAMEDA HEALTH SYSTEM | OAKLAND | CA | INTERNAL MEDICINE | 601 | 64 | 0.2% | (510) 437-4800 |
| 56 | UCSF HEALTH MEDICAL FOUNDATION | REDWOOD CITY | CA | OBSTETRICS/GYNECOLOGY | 39 | 63 | 0.2% | (650) 701-1882 |
| 57 | HM MEDICAL INC A PROFESSIONAL MEDICAL CORP | NEWPORT BEACH | CA | OBSTETRICS/GYNECOLOGY | 2 | 63 | 0.2% | (949) 646-2800 |
| 58 | IMPERIAL VALLEY FAMILY CARE MEDICAL GROUP A P C | EL CENTRO | CA | FAMILY PRACTICE | 23 | 63 | 0.2% | (760) 353-6363 |
| 59 | MEMORIALCARE MEDICAL FOUNDATION | LONG BEACH | CA | FAMILY PRACTICE | 549 | 61 | 0.2% | (562) 346-2222 |
| 60 | SAN ANTONIO RADIOLOGICAL MEDICAL | UPLAND | CA | DIAGNOSTIC RADIOLOGY | 56 | 60 | 0.2% | (909) 985-2811 |
| 61 | REDDING FAMILY MEDICAL GROUP INC | REDDING | CA | FAMILY PRACTICE | 5 | 59 | 0.2% | (530) 244-4034 |
| 62 | MONTEREY OBGYN MEDICAL GROUP INC | RANCHO MIRAGE | CA | OBSTETRICS/GYNECOLOGY | 3 | 59 | 0.2% | (760) 779-5511 |
| 63 | ST JUDE RADIOLOGY MEDICAL GROUP INC | FULLERTON | CA | DIAGNOSTIC RADIOLOGY | 61 | 58 | 0.2% | 71499230001805 |
| 64 | BASS MEDICAL GROUP | WALNUT CREEK | CA | OTOLARYNGOLOGY | 318 | 56 | 0.2% | — |
| 65 | SAINT AGNES MEDICAL FOUNDATION | FRESNO | CA | INTERNAL MEDICINE | 155 | 50 | 0.1% | (559) 450-5777 |
| 66 | SAN DIEGO WOMENS HEALTH INC | LA JOLLA | CA | OBSTETRICS/GYNECOLOGY | 3 | 50 | 0.1% | (858) 677-0777 |
| 67 | OBHG CALIFORNIA PC | LA MESA | CA | OBSTETRICS/GYNECOLOGY | 90 | 49 | 0.1% | (619) 740-6000 |
| 68 | H ELENA RODRIGUEZ MD INC | Torrance | CA | OBSTETRICS/GYNECOLOGY | 2 | 49 | 0.1% | — |
| 69 | PROVIDENCE MEDICAL FOUNDATION | FULLERTON | CA | PHYSICIAN ASSISTANT | 1455 | 48 | 0.1% | (714) 871-3006 |
| 70 | SIERRA NEVADA MEDICAL IMAGING | GARDNERVILLE | CA | DIAGNOSTIC RADIOLOGY | 5 | 47 | 0.1% | (775) 782-1500 |
| 71 | KETTERING NETWORK RADIOLOGISTS INC | DAYTON | CA | DIAGNOSTIC RADIOLOGY | 74 | 46 | 0.1% | (937) 558-3800 |
| 72 | MICHAEL ESHAGHIAN MD INC | VAN NUYS | CA | FAMILY PRACTICE | 3 | 46 | 0.1% | (818) 784-4100 |
| 73 | VALLEY RADIOLOGY CONSULTANTS MEDICAL GROUP INC | ESCONDIDO | CA | DIAGNOSTIC RADIOLOGY | 10 | 46 | 0.1% | (760) 520-8500 |
| 74 | CALIFORNIA MEDICAL IMAGING ASSOCIATES INC | VISALIA | CA | DIAGNOSTIC RADIOLOGY | 5 | 46 | 0.1% | (559) 713-6050 |
| 75 | LOS ANGELES HEMATOLOGY-ONCOLOGY MEDICAL GROUP | LOS ANGELES | CA | HEMATOLOGY/ONCOLOGY | 51 | 45 | 0.1% | (213) 977-1214 |
| 76 | OROVILLE HOSPITAL | OROVILLE | CA | DIAGNOSTIC RADIOLOGY | 93 | 45 | 0.1% | (530) 533-8500 |
| 77 | OBSTETRICS AND GYNECOLOGY MEDICAL GROUP OF VERDUGO HILLS | GLENDALE | CA | OBSTETRICS/GYNECOLOGY | 2 | 43 | 0.1% | (818) 790-8121 |
| 78 | SOUTH SHORE RADIOLOGICAL ASSOCIATES INC | SOUTH WEYMOUTH | CA | DIAGNOSTIC RADIOLOGY | 36 | 42 | 0.1% | (781) 340-8000 |
| 79 | WOMEN TO WOMEN OBGYN OF LOS ANGELES | LOS ANGELES | CA | OBSTETRICS/GYNECOLOGY | 2 | 41 | 0.1% | (323) 452-9655 |
| 80 | NORTHERN CALIFORNIA IMAGING ASSOCIATES MEDICAL GROUP INC | RED BLUFF | CA | DIAGNOSTIC RADIOLOGY | 2 | 41 | 0.1% | (530) 529-8280 |
| 81 | LOS ALAMITOS RADIOLOGY GROUP INC | LOS ALAMITOS | CA | DIAGNOSTIC RADIOLOGY | 68 | 36 | 0.1% | (562) 799-3294 |
| 82 | SANSUM CLINIC | SANTA BARBARA | CA | INTERNAL MEDICINE | 322 | 36 | 0.1% | (805) 681-7500 |
| 83 | SAN VICENTE WOMEN'S TOTAL HEALTH CENTER INC | LOS ANGELES | CA | INTERNAL MEDICINE | 2 | 35 | 0.1% | (310) 274-9977 |
| 84 | BORO PARK OBSTETRICS AND GYNECOLOGY P.C. | BROOKLYN | CA | OBSTETRICS/GYNECOLOGY | 17 | 35 | 0.1% | 71897227001121 |
| 85 | PLACERVILLE RADIOLOGY MEDICAL GROUP INC | PLACERVILLE | CA | DIAGNOSTIC RADIOLOGY | 64 | 35 | 0.1% | (530) 622-1441 |
| 86 | UNITED MEDICAL IMAGING HEALTHCARE INC | LOS ANGELES | CA | DIAGNOSTIC RADIOLOGY | 59 | 35 | 0.1% | (323) 262-1814 |
| 87 | PERMANENTE MEDICAL GROUP INC | SANTA CLARA | CA | INTERNAL MEDICINE | 10890 | 34 | 0.1% | (408) 851-1000 |
| 88 | STOCKDALE RADIOLOGY PHYSICIANS SERVICES INC | BAKERSFIELD | CA | DIAGNOSTIC RADIOLOGY | 3 | 34 | 0.1% | (661) 631-8000 |
| 89 | EVMS ACADEMIC PHYSICIANS AND SURGEONS HEALTH SERVICES FOUNDATION | NORFOLK | CA | OBSTETRICS/GYNECOLOGY | 224 | 34 | 0.1% | (757) 446-7900 |
| 90 | X-RAY MEDICAL GROUP INC | LA MESA | CA | DIAGNOSTIC RADIOLOGY | 48 | 33 | 0.1% | (619) 740-4000 |
| 91 | WASHINGTON RADIOLOGISTS MEDICAL GROUP INC | FREMONT | CA | DIAGNOSTIC RADIOLOGY | 65 | 31 | 0.1% | (510) 797-1111 |
| 92 | MACER MEDICAL | ROLLING HILLS ESTATES | CA | GENERAL PRACTICE | 3 | 29 | 0.1% | (310) 541-8400 |
| 93 | MOTHER LODE DIAGNOSTIC IMAGING INC | CRESCENT CITY | CA | DIAGNOSTIC RADIOLOGY | 16 | 27 | 0.1% | (707) 464-8511 |
| 94 | ALLSAFE MEDICAL GROUP INC | DOWNEY | CA | OBSTETRICS/GYNECOLOGY | 16 | 27 | 0.1% | (562) 904-6031 |
| 95 | ADVANCED BERKSHIRE MEDICAL IMAGING PC | PITTSFIELD | CA | DIAGNOSTIC RADIOLOGY | 11 | 26 | 0.1% | (413) 447-2451 |
| 96 | OB GYN ASSOCIATES OF TURLOCK A MEDICAL GROUP INC | TURLOCK | CA | OBSTETRICS/GYNECOLOGY | 2 | 26 | 0.1% | (209) 634-9034 |
| 97 | SO-CAL COMMUNITY HEALTH CENTER | ARLETA | CA | FAMILY PRACTICE | 2 | 26 | 0.1% | (818) 746-2626 |
| 98 | PENINSULA RADIOLOGICAL ASSOCIATES LIMITED | NEWPORT NEWS | CA | DIAGNOSTIC RADIOLOGY | 65 | 25 | 0.1% | (757) 594-3900 |
| 99 | REGENTS OF THE UNIVERSITY OF CALIFORNIA LOS ANGELES | SANTA MONICA | CA | OBSTETRICS/GYNECOLOGY | 80 | 24 | 0.1% | (310) 319-5098 |
| 100 | SHOBHANA GANDHI MD INC | LOS ANGELES | CA | OBSTETRICS/GYNECOLOGY | 3 | 22 | 0.1% | (323) 953-8821 |
*Share of California's disclosed Medicare-FFS services for 76830, counted once per clinician. Volume is placed in the state it was billed from, so this page ranks the groups actually billing 76830 in California — including groups registered elsewhere ("City" is each 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.
How to read this. Figures are Medicare fee-for-service only — not all-payer — from the CMS Medicare Physician & Other Practitioners Public Use File (Part B), CY2024 release. CMS suppresses any provider×code row under 11 beneficiaries, so a missing group means "suppressed," never zero. "Charges" are provider-submitted amounts, not payments. Groups are ranked by measured service volume attributed to clinicians in exactly one group — clinicians affiliated with several groups are listed in rosters but never volume-attributed to a single group — a direct read of the public record, not a rating or quality score. Full method: Methods & Sources.
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 →