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Medicare California · CY2024

Who bills the most Injection of additional new drug or substance into vein (96375) to Medicare in California?

Medicare Part B FFS · CY2024 · as published by CMS
77
Billing groups
116,664
Named-group FFS services
$11,432,880
Named-group submitted charges
$98
Avg charge / service
$17
Avg allowed / service
45%
Top-5 concentration
2%
Independent share

77 physician groups billed Injection of additional new drug or substance into vein (96375) to Medicare fee-for-service in California in 2024; the top five named groups hold 45% of that volume, and independent (non-hospital-affiliated) groups deliver 2%.

96375 — Injection of additional new drug or substance into vein · 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 96375 svcs Share*Phone
1 THE REGENTS OF THE UNIVERSITY OF CALIFORNIA LOS ANGELESCAINTERNAL MEDICINE 1424 18,048 10.8% (310) 825-7922
2 CITY OF HOPE MEDICAL FOUNDATION DUARTECANURSE PRACTITIONER 942 11,708 7.0% (626) 256-4673
3 RITA R ELLITHORPE MD INC TUSTINCAPHYSICIAN ASSISTANT 6 9,391 5.6% (714) 544-1521
4 SILICON VALLEY MEDICAL IMAGING INC A MEDICAL CORPORATION FREMONTCANUCLEAR MEDICINE 3 6,401 3.8% (510) 792-9700
5 SCRIPPS HEALTH LA JOLLACAPHYSICIAN ASSISTANT 1431 6,390 3.8% (858) 455-9100
6 DESERT HEMATOLOGY-ONCOLOGY MEDICAL GROUP INC RANCHO MIRAGECAHEMATOLOGY/ONCOLOGY 10 5,508 3.3% (760) 568-3613
7 SOLANO HEMATOLOGY - ONCOLOGY VALLEJOCAHEMATOLOGY/ONCOLOGY 3 3,835 2.3% (707) 551-3300
8 SUTTER BAY MEDICAL FOUNDATION PALO ALTOCAINTERNAL MEDICINE 3716 3,786 2.3% (415) 600-1020
9 CEDARS-SINAI MEDICAL CARE FOUNDATION LOS ANGELESCAPHYSICIAN ASSISTANT 1699 3,182 1.9% (310) 423-0674
10 KLEYNBERG MEDICAL CLINIC INC LOS ANGELESCAHEMATOLOGY/ONCOLOGY 2 3,079 1.8% (323) 965-9995
11 STOCKTON HEMATOLOGY ONCOLOGY MEDICAL GROUP INC STOCKTONCAHEMATOLOGY 9 2,922 1.8%
12 SANSUM CLINIC SANTA BARBARACAINTERNAL MEDICINE 322 2,735 1.6% (805) 681-7500
13 BORIS D RATINER, MD, INC TARZANACARHEUMATOLOGY 6 2,556 1.5% (818) 996-4077
14 CALIFORNIA CANCER ASSOCIATES FOR RESEARCH AND EXCELLENCE INC FRESNOCAHEMATOLOGY/ONCOLOGY 62 2,169 1.3% (559) 326-1222
15 STANFORD HEALTH CARE STANFORDCADIAGNOSTIC RADIOLOGY 3039 2,143 1.3% (650) 723-4000
16 CANCER CENTER ONCOLOGY MEDICAL GROUP INC-EAST COUNTY LA MESACAHEMATOLOGY/ONCOLOGY 4 1,741 1.0% (619) 644-3030
17 SCIOMETRIX INC MENANDSCAINTERNAL MEDICINE 45 1,674 1.0% (248) 369-3315
18 ERIK LUNDQUIST MD INC TEMECULACAFAMILY PRACTICE 3 1,651 1.0% 9513834333826
19 UCSF MEDICAL GROUP BUSINESS SERVICES SAN FRANCISCOCADIAGNOSTIC RADIOLOGY 1548 1,508 0.9% (415) 476-1000
20 MICHAEL P SHERMAN MD PHD A MEDICAL CORPORATION WALNUT CREEKCAHEMATOLOGY/ONCOLOGY 13 1,498 0.9% (925) 939-9610
21 DIGNITY HEALTH MEDICAL FOUNDATION FOLSOMCADIAGNOSTIC RADIOLOGY 1197 1,415 0.8% (916) 983-7476
22 PROVIDENCE SAINT JOHNS MEDICAL FOUNDATION SANTA MONICACAPHYSICIAN ASSISTANT 287 1,385 0.8% (310) 829-6789
23 INLAND RHEUMATOLOGY AND OSTEOPOROSIS MEDICAL GROUP INC UPLANDCARHEUMATOLOGY 4 1,321 0.8% (909) 982-0099
24 MARIN CANCER CARE, INC. GREENBRAECAMEDICAL ONCOLOGY 13 1,273 0.8% (415) 925-5000
25 ARTHRITIS AND OSTEOPOROSIS MEDICAL CENTER, INC LA PALMACAPHYSICIAN ASSISTANT 9 1,208 0.7% 7146701340236
26 SIERRA HEMATOLOGY AND ONCOLOGY MEDICAL CENTERS CARMICHAELCAHEMATOLOGY/ONCOLOGY 16 1,051 0.6% (916) 962-1544
27 SYNERGY HEMATOLOGY ONCOLOGY MEDICAL ASSOCIATES INC WEST HOLLYWOODCAINTERNAL MEDICINE 8 872 0.5% (323) 525-1111
28 CENTER FOR RHEUMATOLOGY MEDICAL CORPORATION LOS ANGELESCARHEUMATOLOGY 9 861 0.5% (310) 659-7878
29 NAZANIN FIROOZ MD INC WOODLAND HILLSCARHEUMATOLOGY 2 835 0.5% (818) 598-0000
30 UC REGENTS ORANGECAINTERNAL MEDICINE 296 812 0.5% (714) 456-7002
31 KAWEAH DELTA HEALTH CARE DISTRICT VISALIACADIAGNOSTIC RADIOLOGY 101 786 0.5% (559) 624-6090
32 LOS ANGELES HEMATOLOGY-ONCOLOGY MEDICAL GROUP LOS ANGELESCAHEMATOLOGY/ONCOLOGY 51 779 0.5% (213) 977-1214
33 CENTRAL COAST ONCOLOGY AND HEMATOLOGY SANTA CRUZCAMEDICAL ONCOLOGY 2 770 0.5% (831) 475-2220
34 S DHAND M D INC WEST COVINACAGENERAL PRACTICE 2 668 0.4% (626) 960-7759
35 CANCER AND BLOOD SPECIALTY CLINIC LOS ALAMITOSCAHEMATOLOGY/ONCOLOGY 17 628 0.4% (562) 598-9745
36 OMID VESAL, MD, MEDICAL CORPORATION IRVINECAFAMILY PRACTICE 2 591 0.4% (949) 222-2722
37 JOHN MUIR PHYSICIAN NETWORK WALNUT CREEKCAFAMILY PRACTICE 489 580 0.3% (925) 296-9720
38 HEMATOLOGY AND ONCOLOGY ASSOCIATES OF NORTHERN CALIFORNIA FOLSOMCAHEMATOLOGY/ONCOLOGY 2 557 0.3% (916) 250-0377
39 HELIXONA IRVINECAFAMILY PRACTICE 2 545 0.3% (949) 257-2644
40 VALLEY CANCER MEDICAL CENTER INC MANTECACAHEMATOLOGY/ONCOLOGY 5 533 0.3% 2098231609331
41 MONTEREY BAY ONCOLOGY A MEDICAL CORPORATION MONTEREYCAHEMATOLOGY/ONCOLOGY 10 522 0.3% (831) 375-4105
42 RHEUMATOLOGY SERVICES MEDICAL GROUP SAN LUIS OBISPOCANURSE PRACTITIONER 9 405 0.2% 6616958385118
43 RAMIN ASHTIANI, MD A PROFESSIONAL CORPORATION VICTORVILLECACARDIOVASCULAR DISEASE (CARDIOLOGY) 5 398 0.2% (760) 241-3547
44 MEDICAL ONCOLOGY ASSOCIATES OF SAN DIEGO A MEDICAL GROUP INC SAN DIEGOCAHEMATOLOGY/ONCOLOGY 13 396 0.2% (858) 637-7888
45 THE ONCOLOGY INSTITUTE CA, A PROFESSIONAL CORPORATION LAKEWOODCAHEMATOLOGY/ONCOLOGY 110 395 0.2% (562) 232-0550
46 KERN RURAL WELLNESS CENTER INC ARVINCANURSE PRACTITIONER 9 343 0.2%
47 BASS MEDICAL GROUP WALNUT CREEKCAOTOLARYNGOLOGY 318 333 0.2%
48 AMERICAN ARTHRITIS AND RHEUMATOLOGY ASSOCIATES-CA PC FRESNOCARHEUMATOLOGY 13 332 0.2% (559) 732-9900
49 REGENTS OF THE UNIVERSITY OF CALIFORNIA SAN DIEGOCADIAGNOSTIC RADIOLOGY 2057 328 0.2% (800) 926-8273
50 ZOUHEIR ELIAS, MD, A PROFESSIONAL CORPORATION NORTHRIDGECACARDIOVASCULAR DISEASE (CARDIOLOGY) 2 325 0.2% (818) 734-4888
51 MEMORIALCARE MEDICAL FOUNDATION LONG BEACHCAFAMILY PRACTICE 549 305 0.2% (562) 346-2222
52 ARTHRITIS MEDICAL CLINIC RIVERSIDECARHEUMATOLOGY 4 298 0.2% (951) 781-7700
53 PCR ONCOLOGY INC ARROYO GRANDECAHEMATOLOGY/ONCOLOGY 2 271 0.2% (805) 474-9143
54 SANT P CHAWLA M D INC SANTA MONICACAHEMATOLOGY 4 245 0.1% (310) 552-9999
55 INFUSION EXPRESS OF CALIFORNIA INC SUNNYVALECANURSE PRACTITIONER 23 239 0.1% (408) 228-3700
56 COMPLETE CARE COMMUNITY HEALTH CENTER, INC LOS ANGELESCANURSE PRACTITIONER 46 209 0.1% (323) 266-6700
57 EPIC CARE PLEASANT HILLCAHEMATOLOGY/ONCOLOGY 54 208 0.1% (925) 687-2570
58 JIM C KIM MD INC BAKERSFIELDCANURSE PRACTITIONER 2 176 0.1% (661) 716-0333
59 SAMY METYAS M.D. INC COVINACARHEUMATOLOGY 3 164 0.1% (626) 966-1909
60 ROGER KORNU MD PC TUSTINCANURSE PRACTITIONER 3 162 0.1% (714) 406-4461
61 DOCS MEDICAL GROUP INC REDDINGCAPHYSICIAN ASSISTANT 13 158 0.1% (530) 243-8667
62 OMID S. SHAYE, M.D., A MEDICAL CORPORATION WEST HILLSCAHEMATOLOGY/ONCOLOGY 3 137 0.1% (818) 346-1773
63 FACULTY PHYSICIANS AND SURGEONS OF LLUSM LOMA LINDACADIAGNOSTIC RADIOLOGY 1317 136 0.1%
64 REGENERATIVE MEDICAL CLINICS OF SO CAL INC. WEST COVINACANURSE PRACTITIONER 2 103 0.1% (626) 965-2334
65 SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP LOS ANGELESCAINTERNAL MEDICINE 11157 97 0.1% (800) 954-8000
66 SUTTER VALLEY MEDICAL FOUNDATION SACRAMENTOCADIAGNOSTIC RADIOLOGY 2420 88 0.1% (916) 681-8852
67 R.S. VENUTURUPALLI, M.D. INC BEVERLY HILLSCARHEUMATOLOGY 7 78 0.0% 3106520010120
68 TEXAS ONCOLOGY PA DALLASCAPHYSICIAN ASSISTANT 995 70 0.0%
69 THAILA RAMANUJAM M D INC SANTA CRUZCARHEUMATOLOGY 4 66 0.0% (831) 462-8960
70 BEVERLY HILLS ONCOLOGY MEDICAL GROUP INC BEVERLY HILLSCARADIATION ONCOLOGY 8 60 0.0% (310) 432-8999
71 CAMARENA HEALTH MADERACAFAMILY PRACTICE 88 57 0.0% (559) 664-4000
72 USC CARE MEDICAL GROUP INC LOS ANGELESCADIAGNOSTIC RADIOLOGY 1374 35 0.0% (800) 872-2273
73 COUNTY OF SANTA CLARA SAN JOSECAINTERNAL MEDICINE 1001 34 0.0% (408) 885-5000
74 HIGH DESERT MEDICAL CORPORATION LANCASTERCANURSE PRACTITIONER 59 33 0.0% (661) 945-5984
75 SOUTHLAND ARTHRITES AND OSTEOPOROSIS MEDICAL CENTER INC MENIFEECARHEUMATOLOGY 6 27 0.0% (951) 652-5000
76 GUIDEWELL EMERGENCY MEDICINE DOCTORS, LLC WINTER PARKCAPHYSICIAN ASSISTANT 90 18 0.0% (407) 801-8400
77 SVMHS CLINICS SALINASCAPHYSICIAN ASSISTANT 245 18 0.0% (831) 422-3636

*Share of California's disclosed Medicare-FFS services for 96375, counted once per clinician. Volume is placed in the state it was billed from, so this page ranks the groups actually billing 96375 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 →