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Medicare California · CY2024

Who bills the most Screening mammography (77067) to Medicare in California?

Medicare Part B FFS · CY2024 · as published by CMS
137
Billing groups
240,672
Named-group FFS services
$92,051,183
Named-group submitted charges
$382
Avg charge / service
$93
Avg allowed / service
33%
Top-5 concentration
1%
Independent share

137 physician groups billed Screening mammography (77067) to Medicare fee-for-service in California in 2024; the top five named groups hold 33% of that volume, and independent (non-hospital-affiliated) groups deliver 1%.

77067 — Screening mammography · 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 77067 svcs Share*Phone
1 SUTTER VALLEY MEDICAL FOUNDATION SACRAMENTOCADIAGNOSTIC RADIOLOGY 2420 25,362 4.8% (916) 681-8852
2 SCRIPPS HEALTH LA JOLLACAPHYSICIAN ASSISTANT 1431 17,092 3.3% (858) 455-9100
3 SUTTER BAY MEDICAL FOUNDATION PALO ALTOCAINTERNAL MEDICINE 3716 16,865 3.2% (415) 600-1020
4 DIGNITY HEALTH MEDICAL FOUNDATION FOLSOMCADIAGNOSTIC RADIOLOGY 1197 13,950 2.7% (916) 983-7476
5 BEVERLY RADIOLOGY MEDICAL GROUP III GARDEN GROVECADIAGNOSTIC RADIOLOGY 328 7,228 1.4%
6 UCLA RADIOLOGY MEDICAL GROUP LOS ANGELESCADIAGNOSTIC RADIOLOGY 191 6,867 1.3% (310) 301-6800
7 HALO MEDICAL GROUP INDIAN WELLSCADIAGNOSTIC RADIOLOGY 22 6,800 1.3% (760) 776-8989
8 COMMUNITY HOSPITAL OF THE MONTEREY PENINSULA MONTEREYCAEMERGENCY MEDICINE 141 5,929 1.1% (831) 624-5311
9 MORAN ROWEN AND DORSEY INC ORANGECADIAGNOSTIC RADIOLOGY 35 5,791 1.1% (714) 628-3305
10 BREAST CARE SPECIALISTS MEDICAL GROUP INC LAGUNA HILLSCADIAGNOSTIC RADIOLOGY 5 5,413 1.0% (949) 452-7200
11 CALIFORNIA MANAGED IMAGING MEDICAL GROUP INC SANTA BARBARACADIAGNOSTIC RADIOLOGY 64 5,038 1.0% (800) 841-4236
12 STANFORD HEALTH CARE STANFORDCADIAGNOSTIC RADIOLOGY 3039 4,631 0.9% (650) 723-4000
13 BREAST IMAGING RADIOLOGISTS A MEDICAL GROUP INC LONG BEACHCADIAGNOSTIC RADIOLOGY 5 4,478 0.9% (844) 825-9300
14 REGENTS OF THE UNIVERSITY OF CALIFORNIA SAN DIEGOCADIAGNOSTIC RADIOLOGY 2057 3,897 0.7% (800) 926-8273
15 ADVANCED RADIOLOGY P A BALTIMORECADIAGNOSTIC RADIOLOGY 161 3,406 0.7% (888) 972-9700
16 ST JUDE RADIOLOGY MEDICAL GROUP INC FULLERTONCADIAGNOSTIC RADIOLOGY 61 3,038 0.6% 71499230001805
17 BOULDER RADIOLOGISTS INC P C BOULDERCADIAGNOSTIC RADIOLOGY 13 2,993 0.6% (303) 465-0401
18 HUMBOLDT RADIOLOGY MEDICAL GROUP,INC EUREKACADIAGNOSTIC RADIOLOGY 13 2,981 0.6% (707) 445-5431
19 PRIMA MEDICAL FOUNDATION GREENBRAECADIAGNOSTIC RADIOLOGY 29 2,703 0.5% (415) 925-7301
20 JASON L HWANG MD INC SONORACADIAGNOSTIC RADIOLOGY 51 2,665 0.5% (855) 504-4544
21 BAY IMAGING CONSULTANTS MEDICAL GROUP INC WALNUT CREEKCADIAGNOSTIC RADIOLOGY 134 2,565 0.5% (925) 947-5320
22 SAN LUIS IMAGING MEDICAL GROUP INC SAN LUIS OBISPOCADIAGNOSTIC RADIOLOGY 4 2,445 0.5% (805) 542-9700
23 UC REGENTS ORANGECADIAGNOSTIC RADIOLOGY 99 2,426 0.5% (714) 456-7004
24 SVMHS CLINICS SALINASCAPHYSICIAN ASSISTANT 245 2,386 0.5% (831) 422-3636
25 SANSUM CLINIC SANTA BARBARACAINTERNAL MEDICINE 322 2,351 0.4% (805) 681-7500
26 SONORAN RADIOLOGY LTD MESACADIAGNOSTIC RADIOLOGY 474 2,292 0.4% (832) 915-2534
27 SHARP REES-STEALY MEDICAL GROUP INC SAN DIEGOCAPHYSICIAN ASSISTANT 872 2,277 0.4% (858) 499-2600
28 CALIFORNIA MEDICAL IMAGING ASSOCIATES INC VISALIACADIAGNOSTIC RADIOLOGY 5 2,168 0.4% (559) 713-6050
29 PERMANENTE MEDICAL GROUP INC SANTA CLARACAINTERNAL MEDICINE 10890 2,164 0.4% (408) 851-1000
30 SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP LOS ANGELESCAINTERNAL MEDICINE 11157 2,042 0.4% (800) 954-8000
31 MOUNT SHASTA RADIOLOGY INC MOUNT SHASTACADIAGNOSTIC RADIOLOGY 5 1,907 0.4% (530) 926-6111
32 NASHUA RADIOLOGY PA NASHUACADIAGNOSTIC RADIOLOGY 10 1,883 0.4% (207) 784-2554
33 HAMPTON ROADS RADIOLOGY ASSOCIATES PC VIRGINIA BEACHCADIAGNOSTIC RADIOLOGY 37 1,797 0.3% (757) 916-9630
34 HOAG CLINIC NEWPORT BEACHCAPHYSICIAN ASSISTANT 436 1,738 0.3% (949) 791-3370
35 MERCED MRI MEDICAL GROUP LOS BANOSCADIAGNOSTIC RADIOLOGY 4 1,722 0.3% (209) 384-4250
36 LENOX HILL RADIOLOGY AND MEDICAL IMAGING ASSOCIATES PC NEW YORKCADIAGNOSTIC RADIOLOGY 244 1,712 0.3% (212) 772-3111
37 PIH HEALTH PHYSICIANS WHITTIERCAINTERNAL MEDICINE 606 1,589 0.3% (562) 698-0811
38 USC CARE MEDICAL GROUP INC LOS ANGELESCADIAGNOSTIC RADIOLOGY 1374 1,568 0.3% (800) 872-2273
39 ROCKINGHAM RADIOLOGISTS ROCKINGHAMCADIAGNOSTIC RADIOLOGY 11 1,566 0.3% (540) 432-8951
40 ROPER RADIOLOGISTS PA CHARLESTONCADIAGNOSTIC RADIOLOGY 40 1,540 0.3% (843) 724-2161
41 NEW YORK UNIVERSITY NEW YORKCADIAGNOSTIC RADIOLOGY 5704 1,533 0.3% (212) 263-9700
42 SOUTHWEST DIAGNOSTIC IMAGING LLC SCOTTSDALECADIAGNOSTIC RADIOLOGY 124 1,529 0.3% (480) 425-5000
43 IHS RADIOLOGY MEDICAL GROUP INC SAN DIEGOCADIAGNOSTIC RADIOLOGY 68 1,517 0.3% (619) 295-9729
44 CITY OF HOPE MEDICAL FOUNDATION DUARTECANURSE PRACTITIONER 942 1,496 0.3% (626) 256-4673
45 OROVILLE HOSPITAL OROVILLECADIAGNOSTIC RADIOLOGY 93 1,448 0.3% (530) 533-8500
46 CALIFORNIA ADVANCED IMAGING MEDICAL ASSOCIATES INC SAN FRANCISCOCADIAGNOSTIC RADIOLOGY 86 1,438 0.3% (415) 600-3232
47 RADIOLOGY MEDICAL GROUP OF NAPA NAPACADIAGNOSTIC RADIOLOGY 42 1,428 0.3% (707) 252-4411
48 LOS ALAMITOS RADIOLOGY GROUP INC LOS ALAMITOSCADIAGNOSTIC RADIOLOGY 68 1,272 0.2% (562) 799-3294
49 COUNTY OF SANTA CLARA SAN JOSECAINTERNAL MEDICINE 1001 1,262 0.2% (408) 885-5000
50 FACULTY PHYSICIANS AND SURGEONS OF LLUSM LOMA LINDACADIAGNOSTIC RADIOLOGY 1317 1,230 0.2%
51 NORTHERN CALIFORNIA IMAGING ASSOCIATES MEDICAL GROUP INC RED BLUFFCADIAGNOSTIC RADIOLOGY 2 1,203 0.2% (530) 529-8280
52 SIERRA NEVADA MEDICAL IMAGING GARDNERVILLECADIAGNOSTIC RADIOLOGY 5 1,187 0.2% (775) 782-1500
53 TOWER IMAGING MEDICAL ASSOCIATES INC TORRANCECADIAGNOSTIC RADIOLOGY 88 1,138 0.2% (310) 540-7676
54 HACKENSACK MERIDIAN HEALTH MEDICAL GROUP - SPECIALTY CARE PC NEPTUNECANURSE PRACTITIONER 1878 1,088 0.2% (732) 362-3663
55 ADVENTIST HEALTH PHYSICIANS NETWORK HANFORDCANURSE PRACTITIONER 651 1,059 0.2% (559) 583-4695
56 MILLENNIUM MEDICAL IMAGING PC SARATOGA SPRINGSCADIAGNOSTIC RADIOLOGY 33 1,043 0.2% (518) 583-8461
57 LEBOVIC SCHWIMER AND GOLDBERG MEDICAL GROUP BEVERLY HILLSCADIAGNOSTIC RADIOLOGY 3 1,038 0.2% (310) 394-2761
58 SAINT AGNES MEDICAL FOUNDATION FRESNOCAINTERNAL MEDICINE 155 1,009 0.2% (559) 450-5777
59 VALLEY RADIOLOGY CONSULTANTS MEDICAL GROUP INC ESCONDIDOCADIAGNOSTIC RADIOLOGY 10 965 0.2% (760) 520-8500
60 ROSE IMAGING SPECIALISTS PA HOUSTONCADIAGNOSTIC RADIOLOGY 43 907 0.2% (866) 257-6864
61 RADIA CALIFORNIA RADIOLOGY MEDICAL GROUP INC SEATTLECADIAGNOSTIC RADIOLOGY 130 901 0.2% (425) 563-1500
62 SAN ANTONIO RADIOLOGICAL MEDICAL UPLANDCADIAGNOSTIC RADIOLOGY 56 900 0.2% (909) 985-2811
63 ALAMEDA HEALTH SYSTEM OAKLANDCAINTERNAL MEDICINE 601 891 0.2% (510) 437-4800
64 COUNTY OF LOS ANGELES LOS ANGELESCANURSE PRACTITIONER 383 875 0.2% (213) 699-7013
65 MAGNOLIA MEDICAL IMAGING CENTER INC A MEDICAL GROUP WESTMINSTERCADIAGNOSTIC RADIOLOGY 2 871 0.2% (714) 893-1915
66 RIVERSIDE MEDICAL CLINIC INC RIVERSIDECAFAMILY PRACTICE 175 833 0.2% (951) 683-6370
67 BOISE RADIOLOGY GROUP PLLC BOISECADIAGNOSTIC RADIOLOGY 62 817 0.2% (208) 381-2094
68 REGENTS OF THE UNIV OF CA SACRAMENTOCADIAGNOSTIC RADIOLOGY 1608 810 0.2% (877) 827-7463
69 NORTH EAST MEDICAL SERVICES SAN FRANCISCOCAINTERNAL MEDICINE 144 808 0.2% (415) 391-9686
70 RADIOLOGICAL PHYSICIAN ASSOCIATES INC BRIDGEPORTCADIAGNOSTIC RADIOLOGY 28 805 0.2% (681) 342-1000
71 CALIFORNIA IMAGING AND DIAGNOSTICS MEDICAL GROUP, INC. HEMETCADIAGNOSTIC RADIOLOGY 3 804 0.2% (951) 929-9688
72 GOLDEN STATE IMAGING ASSOCIATES INC FOUNTAIN VALLEYCADIAGNOSTIC RADIOLOGY 240 774 0.1% (818) 639-2901
73 PLACERVILLE RADIOLOGY MEDICAL GROUP INC PLACERVILLECADIAGNOSTIC RADIOLOGY 64 774 0.1% (530) 622-1441
74 UNITED MEDICAL IMAGING HEALTHCARE INC LOS ANGELESCADIAGNOSTIC RADIOLOGY 59 741 0.1% (323) 262-1814
75 OLYMPIC MEDICAL IMAGING CONSULTANTS, PLLC SILVERDALECADIAGNOSTIC RADIOLOGY 17 722 0.1% (360) 337-6500
76 UNIVERSITY HEALTHCARE ALLIANCE PLEASANTONCAINTERNAL MEDICINE 332 706 0.1% (925) 462-7060
77 DECATUR MEMORIAL HOSPITAL DECATURCAINTERNAL MEDICINE 184 686 0.1% (217) 876-8121
78 PROVIDENCE FACEY MEDICAL FOUNDATION MISSION HILLSCAFAMILY PRACTICE 320 659 0.1% (818) 365-9531
79 BEAVER MEDICAL GROUP P C REDLANDSCAFAMILY PRACTICE 247 651 0.1% (909) 294-3682
80 ENLOE MEDICAL CENTER CHICOCADIAGNOSTIC RADIOLOGY 362 637 0.1% (530) 332-4470
81 MOTHER LODE DIAGNOSTIC IMAGING INC CRESCENT CITYCADIAGNOSTIC RADIOLOGY 16 627 0.1% (707) 464-8511
82 RAVI PATEL M D INC BAKERSFIELDCAHEMATOLOGY/ONCOLOGY 20 566 0.1% (661) 322-2206
83 JACKSON RADIOLOGY CONSULTANTS P C JACKSONCADIAGNOSTIC RADIOLOGY 11 549 0.1% (517) 783-2612
84 WASHINGTON RADIOLOGISTS MEDICAL GROUP INC FREMONTCADIAGNOSTIC RADIOLOGY 65 516 0.1% (510) 797-1111
85 HURON VALLEY RADIOLOGY PC YPSILANTICADIAGNOSTIC RADIOLOGY 77 506 0.1% (734) 712-8350
86 POMONA VALLEY IMAGING MEDICAL GROUP INC POMONACADIAGNOSTIC RADIOLOGY 18 500 0.1% (909) 469-9472
87 IGO MEDICAL GROUP AMC SAN DIEGOCAOBSTETRICS/GYNECOLOGY 11 445 0.1% 8584551248145
88 GOLDEN GATE RADIOLOGY MEDICAL GROUP INC SAN FRANCISCOCADIAGNOSTIC RADIOLOGY 4 429 0.1% (415) 677-2320
89 MULTICARE HEALTH SYSTEM GIG HARBORCANURSE PRACTITIONER 2289 418 0.1%
90 GLENDALE DIAGNOSTIC IMAGING NETWORK MEDICAL OFFICE INC GLENDALECADIAGNOSTIC RADIOLOGY 3 400 0.1% (818) 546-1929
91 MODESTO ADVANCED DIAGNOSTIC IMAGING MEDICAL CENTER MODESTOCADIAGNOSTIC RADIOLOGY 56 390 0.1% (209) 524-6800
92 HEALTHCARE PARTNERS AFFILIATES MEDICAL GROUP CARSONCAINTERNAL MEDICINE 771 384 0.1% (310) 830-9706
93 ARROWHEAD RADIOLOGY MEDICAL GROUP INC COLTONCADIAGNOSTIC RADIOLOGY 10 379 0.1% (909) 580-1520
94 TOWER IMAGING LLC TAMPACADIAGNOSTIC RADIOLOGY 103 355 0.1% 81325327211937
95 ST. LUKE'S HOSPITAL OF DULUTH DULUTHCAPHYSICIAN ASSISTANT 418 353 0.1% (218) 249-7000
96 VALLEY RADIOLOGY MEDICAL ASSOCIATES INC SAN JOSECADIAGNOSTIC RADIOLOGY 25 350 0.1% (408) 358-6881
97 DARIN RENTZ DO PC REDLANDSCAANESTHESIOLOGY 124 350 0.1% (909) 335-5593
98 VALLEY MRI AND RADIOLOGY INC STOCKTONCADIAGNOSTIC RADIOLOGY 9 344 0.1% (209) 467-1000
99 MONONGAHELA VALLEY HOSPITAL INC MONONGAHELACADIAGNOSTIC RADIOLOGY 36 334 0.1% (724) 258-1000
100 RADIOLOGY IMAGING ASSOCIATES OF OAK RIDGE PC OAK RIDGECADIAGNOSTIC RADIOLOGY 18 330 0.1% 86673056192240

*Share of California's disclosed Medicare-FFS services for 77067, counted once per clinician. Volume is placed in the state it was billed from, so this page ranks the groups actually billing 77067 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 →