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Medicare California · CY2024

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 CMS
134
Billing groups
14,989
Named-group FFS services
$4,842,260
Named-group submitted charges
$323
Avg charge / service
$103
Avg allowed / service
29%
Top-5 concentration
3%
Independent share

134 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).

Payer-mix context

Medicare fee-for-service covers 49% of Medicare in California; Medicare Advantage penetration 45% → 51% since 2020.

Market structure — concentration, independent share, and the consolidation trend for this market — is part of the market analytics platform — built, not launched yet. Notify me at launch →
#Physician groupCityStSpecialty Providers 76830 svcs Share*Phone
1 SUTTER BAY MEDICAL FOUNDATION PALO ALTOCAINTERNAL MEDICINE 3716 1,550 4.4% (415) 600-1020
2 SUTTER VALLEY MEDICAL FOUNDATION SACRAMENTOCADIAGNOSTIC RADIOLOGY 2420 1,108 3.1% (916) 681-8852
3 SCRIPPS HEALTH LA JOLLACAPHYSICIAN ASSISTANT 1431 854 2.4% (858) 455-9100
4 DIGNITY HEALTH MEDICAL FOUNDATION FOLSOMCADIAGNOSTIC RADIOLOGY 1197 465 1.3% (916) 983-7476
5 BEVERLY RADIOLOGY MEDICAL GROUP III GARDEN GROVECADIAGNOSTIC RADIOLOGY 328 379 1.1%
6 REGENTS OF THE UNIVERSITY OF CALIFORNIA SAN DIEGOCADIAGNOSTIC RADIOLOGY 2057 346 1.0% (800) 926-8273
7 WOMENS CARE OF BEVERLY HILLS MEDICAL GROUP BEVERLY HILLSCAOBSTETRICS/GYNECOLOGY 6 331 0.9% (310) 657-1600
8 PROVIDENCE SAINT JOHNS MEDICAL FOUNDATION SANTA MONICACAPHYSICIAN ASSISTANT 287 320 0.9% (310) 829-6789
9 VIJAY ARORA MD INC APPLE VALLEYCAOBSTETRICS/GYNECOLOGY 2 317 0.9% (760) 242-2146
10 STANFORD HEALTH CARE STANFORDCADIAGNOSTIC RADIOLOGY 3039 300 0.8% (650) 723-4000
11 PALM DESERT RADIOLOGY MEDICAL GROUP INC RANCHO MIRAGECADIAGNOSTIC RADIOLOGY 125 299 0.8% (760) 773-1251
12 UCLA RADIOLOGY MEDICAL GROUP LOS ANGELESCADIAGNOSTIC RADIOLOGY 191 296 0.8% (310) 301-6800
13 ASSOCIATED OB GYN SPECIALISTS OF SANTA BARBARA SANTA BARBARACAOBSTETRICS/GYNECOLOGY 2 260 0.7% (805) 682-8166
14 COMMUNITY HOSPITAL OF THE MONTEREY PENINSULA MONTEREYCAEMERGENCY MEDICINE 141 257 0.7% (831) 624-5311
15 RADIANT IMAGING INC PASADENACADIAGNOSTIC RADIOLOGY 67 255 0.7% (626) 229-8969
16 LUDMILA B BESS MD A PROFESSIONAL CORPORATION LOS ANGELESCAOBSTETRICS/GYNECOLOGY 2 253 0.7% 3239348877228
17 THE REGENTS OF THE UNIVERSITY OF CALIFORNIA LOS ANGELESCAOBSTETRICS/GYNECOLOGY 54 234 0.7% (310) 794-7274
18 CALIFORNIA MANAGED IMAGING MEDICAL GROUP INC SANTA BARBARACADIAGNOSTIC RADIOLOGY 64 224 0.6% (800) 841-4236
19 LEBOVIC SCHWIMER AND GOLDBERG MEDICAL GROUP BEVERLY HILLSCADIAGNOSTIC RADIOLOGY 3 217 0.6% (310) 394-2761
20 REGENTS OF THE UNIV OF CA SACRAMENTOCADIAGNOSTIC RADIOLOGY 1608 214 0.6% (877) 827-7463
21 MAGELLA MEDICAL GROUP INC LONG BEACHCAOBSTETRICS/GYNECOLOGY 25 210 0.6% 80024338397746
22 HOAG CLINIC NEWPORT BEACHCAPHYSICIAN ASSISTANT 436 193 0.5% (949) 791-3370
23 SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP LOS ANGELESCAINTERNAL MEDICINE 11157 176 0.5% (800) 954-8000
24 CALIFORNIA ADVANCED IMAGING MEDICAL ASSOCIATES INC SAN FRANCISCOCADIAGNOSTIC RADIOLOGY 86 171 0.5% (415) 600-3232
25 CEDARS-SINAI MEDICAL CARE FOUNDATION LOS ANGELESCAPHYSICIAN ASSISTANT 1699 167 0.5% (310) 423-0674
26 CITY OF HOPE MEDICAL FOUNDATION DUARTECANURSE PRACTITIONER 942 166 0.5% (626) 256-4673
27 MERCED MRI MEDICAL GROUP LOS BANOSCADIAGNOSTIC RADIOLOGY 4 153 0.4% (209) 384-4250
28 EISENHOWER MEDICAL CENTER RANCHO MIRAGECANURSE PRACTITIONER 457 152 0.4% (760) 340-3911
29 UNIVERSITY HEALTHCARE ALLIANCE PLEASANTONCAINTERNAL MEDICINE 332 150 0.4% (925) 462-7060
30 SVMHS CLINICS SALINASCAPHYSICIAN ASSISTANT 245 143 0.4% (831) 422-3636
31 IHS RADIOLOGY MEDICAL GROUP INC SAN DIEGOCADIAGNOSTIC RADIOLOGY 68 142 0.4% (619) 295-9729
32 UC REGENTS ORANGECADIAGNOSTIC RADIOLOGY 99 136 0.4% (714) 456-7004
33 HALO MEDICAL GROUP INDIAN WELLSCADIAGNOSTIC RADIOLOGY 22 132 0.4% (760) 776-8989
34 SELAH WOMEN'S HEALTH PC REDDINGCAOBSTETRICS/GYNECOLOGY 4 125 0.4% (530) 338-0002
35 VALLEY RADIOLOGY MEDICAL ASSOCIATES INC SAN JOSECADIAGNOSTIC RADIOLOGY 25 116 0.3% (408) 358-6881
36 HUMBOLDT RADIOLOGY MEDICAL GROUP,INC EUREKACADIAGNOSTIC RADIOLOGY 13 112 0.3% (707) 445-5431
37 SAN LUIS IMAGING MEDICAL GROUP INC SAN LUIS OBISPOCADIAGNOSTIC RADIOLOGY 4 111 0.3% (805) 542-9700
38 IGO MEDICAL GROUP AMC SAN DIEGOCAOBSTETRICS/GYNECOLOGY 11 111 0.3% 8584551248145
39 HELEN HUYNH D O INC ROSEMEADCAOBSTETRICS/GYNECOLOGY 2 106 0.3% (626) 773-8900
40 POMONA VALLEY IMAGING MEDICAL GROUP INC POMONACADIAGNOSTIC RADIOLOGY 18 99 0.3% (909) 469-9472
41 SHARP REES-STEALY MEDICAL GROUP INC SAN DIEGOCAPHYSICIAN ASSISTANT 872 98 0.3% (858) 499-2600
42 COMMUNITY FOUNDATION MEDICAL GROUP FRESNOCAPHYSICIAN ASSISTANT 292 97 0.3%
43 RODEO MEDICAL GROUP BEVERLY HILLSCAOBSTETRICS/GYNECOLOGY 6 96 0.3% (310) 432-6640
44 MORAN ROWEN AND DORSEY INC ORANGECADIAGNOSTIC RADIOLOGY 35 94 0.3% (714) 628-3305
45 QUANTUM IMAGING AND THERAPEUTIC ASSOCIATES INC HARRISBURGCADIAGNOSTIC RADIOLOGY 90 91 0.3% (717) 932-5200
46 MOUNT SHASTA RADIOLOGY INC MOUNT SHASTACADIAGNOSTIC RADIOLOGY 5 87 0.2% (530) 926-6111
47 USC CARE MEDICAL GROUP INC LOS ANGELESCADIAGNOSTIC RADIOLOGY 1374 86 0.2% (800) 872-2273
48 TORRANCE HEALTH ASSOCIATION INC TORRANCECAFAMILY PRACTICE 298 82 0.2% (310) 257-7260
49 ENLOE MEDICAL CENTER CHICOCADIAGNOSTIC RADIOLOGY 362 78 0.2% (530) 332-4470
50 WOMENS OBGYN SANTA ROSACAOBSTETRICS/GYNECOLOGY 2 78 0.2% (707) 575-1626
51 JASON L HWANG MD INC SONORACADIAGNOSTIC RADIOLOGY 51 76 0.2% (855) 504-4544
52 KERN RADIOLOGY MEDICAL GROUP INC BAKERSFIELDCADIAGNOSTIC RADIOLOGY 87 72 0.2% (661) 616-1458
53 FACULTY PHYSICIANS AND SURGEONS OF LLUSM LOMA LINDACADIAGNOSTIC RADIOLOGY 1317 70 0.2%
54 PRIMA MEDICAL FOUNDATION GREENBRAECADIAGNOSTIC RADIOLOGY 29 64 0.2% (415) 925-7301
55 ALAMEDA HEALTH SYSTEM OAKLANDCAINTERNAL MEDICINE 601 64 0.2% (510) 437-4800
56 UCSF HEALTH MEDICAL FOUNDATION REDWOOD CITYCAOBSTETRICS/GYNECOLOGY 39 63 0.2% (650) 701-1882
57 HM MEDICAL INC A PROFESSIONAL MEDICAL CORP NEWPORT BEACHCAOBSTETRICS/GYNECOLOGY 2 63 0.2% (949) 646-2800
58 IMPERIAL VALLEY FAMILY CARE MEDICAL GROUP A P C EL CENTROCAFAMILY PRACTICE 23 63 0.2% (760) 353-6363
59 MEMORIALCARE MEDICAL FOUNDATION LONG BEACHCAFAMILY PRACTICE 549 61 0.2% (562) 346-2222
60 SAN ANTONIO RADIOLOGICAL MEDICAL UPLANDCADIAGNOSTIC RADIOLOGY 56 60 0.2% (909) 985-2811
61 REDDING FAMILY MEDICAL GROUP INC REDDINGCAFAMILY PRACTICE 5 59 0.2% (530) 244-4034
62 MONTEREY OBGYN MEDICAL GROUP INC RANCHO MIRAGECAOBSTETRICS/GYNECOLOGY 3 59 0.2% (760) 779-5511
63 ST JUDE RADIOLOGY MEDICAL GROUP INC FULLERTONCADIAGNOSTIC RADIOLOGY 61 58 0.2% 71499230001805
64 BASS MEDICAL GROUP WALNUT CREEKCAOTOLARYNGOLOGY 318 56 0.2%
65 SAINT AGNES MEDICAL FOUNDATION FRESNOCAINTERNAL MEDICINE 155 50 0.1% (559) 450-5777
66 SAN DIEGO WOMENS HEALTH INC LA JOLLACAOBSTETRICS/GYNECOLOGY 3 50 0.1% (858) 677-0777
67 OBHG CALIFORNIA PC LA MESACAOBSTETRICS/GYNECOLOGY 90 49 0.1% (619) 740-6000
68 H ELENA RODRIGUEZ MD INC TorranceCAOBSTETRICS/GYNECOLOGY 2 49 0.1%
69 PROVIDENCE MEDICAL FOUNDATION FULLERTONCAPHYSICIAN ASSISTANT 1455 48 0.1% (714) 871-3006
70 SIERRA NEVADA MEDICAL IMAGING GARDNERVILLECADIAGNOSTIC RADIOLOGY 5 47 0.1% (775) 782-1500
71 KETTERING NETWORK RADIOLOGISTS INC DAYTONCADIAGNOSTIC RADIOLOGY 74 46 0.1% (937) 558-3800
72 MICHAEL ESHAGHIAN MD INC VAN NUYSCAFAMILY PRACTICE 3 46 0.1% (818) 784-4100
73 VALLEY RADIOLOGY CONSULTANTS MEDICAL GROUP INC ESCONDIDOCADIAGNOSTIC RADIOLOGY 10 46 0.1% (760) 520-8500
74 CALIFORNIA MEDICAL IMAGING ASSOCIATES INC VISALIACADIAGNOSTIC RADIOLOGY 5 46 0.1% (559) 713-6050
75 LOS ANGELES HEMATOLOGY-ONCOLOGY MEDICAL GROUP LOS ANGELESCAHEMATOLOGY/ONCOLOGY 51 45 0.1% (213) 977-1214
76 OROVILLE HOSPITAL OROVILLECADIAGNOSTIC RADIOLOGY 93 45 0.1% (530) 533-8500
77 OBSTETRICS AND GYNECOLOGY MEDICAL GROUP OF VERDUGO HILLS GLENDALECAOBSTETRICS/GYNECOLOGY 2 43 0.1% (818) 790-8121
78 SOUTH SHORE RADIOLOGICAL ASSOCIATES INC SOUTH WEYMOUTHCADIAGNOSTIC RADIOLOGY 36 42 0.1% (781) 340-8000
79 WOMEN TO WOMEN OBGYN OF LOS ANGELES LOS ANGELESCAOBSTETRICS/GYNECOLOGY 2 41 0.1% (323) 452-9655
80 NORTHERN CALIFORNIA IMAGING ASSOCIATES MEDICAL GROUP INC RED BLUFFCADIAGNOSTIC RADIOLOGY 2 41 0.1% (530) 529-8280
81 LOS ALAMITOS RADIOLOGY GROUP INC LOS ALAMITOSCADIAGNOSTIC RADIOLOGY 68 36 0.1% (562) 799-3294
82 SANSUM CLINIC SANTA BARBARACAINTERNAL MEDICINE 322 36 0.1% (805) 681-7500
83 SAN VICENTE WOMEN'S TOTAL HEALTH CENTER INC LOS ANGELESCAINTERNAL MEDICINE 2 35 0.1% (310) 274-9977
84 BORO PARK OBSTETRICS AND GYNECOLOGY P.C. BROOKLYNCAOBSTETRICS/GYNECOLOGY 17 35 0.1% 71897227001121
85 PLACERVILLE RADIOLOGY MEDICAL GROUP INC PLACERVILLECADIAGNOSTIC RADIOLOGY 64 35 0.1% (530) 622-1441
86 UNITED MEDICAL IMAGING HEALTHCARE INC LOS ANGELESCADIAGNOSTIC RADIOLOGY 59 35 0.1% (323) 262-1814
87 PERMANENTE MEDICAL GROUP INC SANTA CLARACAINTERNAL MEDICINE 10890 34 0.1% (408) 851-1000
88 STOCKDALE RADIOLOGY PHYSICIANS SERVICES INC BAKERSFIELDCADIAGNOSTIC RADIOLOGY 3 34 0.1% (661) 631-8000
89 EVMS ACADEMIC PHYSICIANS AND SURGEONS HEALTH SERVICES FOUNDATION NORFOLKCAOBSTETRICS/GYNECOLOGY 224 34 0.1% (757) 446-7900
90 X-RAY MEDICAL GROUP INC LA MESACADIAGNOSTIC RADIOLOGY 48 33 0.1% (619) 740-4000
91 WASHINGTON RADIOLOGISTS MEDICAL GROUP INC FREMONTCADIAGNOSTIC RADIOLOGY 65 31 0.1% (510) 797-1111
92 MACER MEDICAL ROLLING HILLS ESTATESCAGENERAL PRACTICE 3 29 0.1% (310) 541-8400
93 MOTHER LODE DIAGNOSTIC IMAGING INC CRESCENT CITYCADIAGNOSTIC RADIOLOGY 16 27 0.1% (707) 464-8511
94 ALLSAFE MEDICAL GROUP INC DOWNEYCAOBSTETRICS/GYNECOLOGY 16 27 0.1% (562) 904-6031
95 ADVANCED BERKSHIRE MEDICAL IMAGING PC PITTSFIELDCADIAGNOSTIC RADIOLOGY 11 26 0.1% (413) 447-2451
96 OB GYN ASSOCIATES OF TURLOCK A MEDICAL GROUP INC TURLOCKCAOBSTETRICS/GYNECOLOGY 2 26 0.1% (209) 634-9034
97 SO-CAL COMMUNITY HEALTH CENTER ARLETACAFAMILY PRACTICE 2 26 0.1% (818) 746-2626
98 PENINSULA RADIOLOGICAL ASSOCIATES LIMITED NEWPORT NEWSCADIAGNOSTIC RADIOLOGY 65 25 0.1% (757) 594-3900
99 REGENTS OF THE UNIVERSITY OF CALIFORNIA LOS ANGELES SANTA MONICACAOBSTETRICS/GYNECOLOGY 80 24 0.1% (310) 319-5098
100 SHOBHANA GANDHI MD INC LOS ANGELESCAOBSTETRICS/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 →