State Specialty Directory

Rheumatology in CA

Federal CMS data for 248 rheumatology providers across CA. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.

248
Providers
Median industry payments
$7,727
248
Rheumatology Providers
in CA
$7,727
Median Industry Payments
per provider (2018–2024)
2,477
Median Medicare Services
fee-for-service claims
How to read this directory: Providers are listed by Medicare service volume, which reflects only Medicare fee-for-service patients (typically 65+). This does not represent total practice volume. Industry payments span multiple years and payment types — they are legal and do not indicate wrongdoing. Rheumatology includes multiple subspecialties with different practice patterns. Learn more →
Showing top 50 of 248 providers, ranked by Medicare service volume. Search by city to narrow results.

Rheumatology Providers — CA

NPPES · Open Payments · Medicare
Provider City Medicare Volume Beneficiaries* Top Procedure Industry Payments Payment Type Coverage
EIBSCHUTZ, BARRY M.D. San Luis Obispo 472,342 2,473 Tocilizumab injection (Actemra) $224 (2020-2023) Food & Beverage (95%) Very High
HORIZON, ARASH M.D. Los Angeles 428,872 12,860 Certolizumab injection (Cimzia) $2,279 (2018-2024) Food & Beverage (100%) Very High
LINDWALL, ELVIRA M.D. Thousand Oaks 305,958 2,867 Certolizumab injection (Cimzia) $103,280 (2018-2024) Consulting (68%) Very High
LE, THANG MD Upland 263,000 2,922 Tocilizumab injection (Actemra) $7,737 (2018-2024) Food & Beverage (100%) Very High
GREWAL, SUNEET M.D. West Hollywood 262,760 863 Certolizumab injection (Cimzia) $336,232 (2018-2024) Honoraria (56%) Very High
KORNU, ROGER M.D. Tustin 244,554 2,213 Tocilizumab injection (Actemra) $738,555 (2018-2024) Consulting (70%) Very High
WATROUS, DANIEL M.D. Visalia 229,629 3,346 Golimumab infusion (Simponi Aria) $14,370 (2018-2024) Food & Beverage (86%) Very High
VENUTURUPALLI, R SWAMY M.D. Beverly Hills 200,763 8,280 Tocilizumab injection (Actemra) $12,635 (2018-2024) Food & Beverage (58%) Very High
GILL, HIMMAT M.D. Fresno 193,470 3,075 Denosumab injection (Prolia/Xgeva) $12,993 (2018-2024) Food & Beverage (98%) Very High
LEE, JOO-HYUNG MD Orange 193,037 14,638 Certolizumab injection (Cimzia) $37,013 (2018-2024) Food & Beverage (79%) Very High
SAHARAN, SAHDEV M.D. Tracy 178,661 988 Certolizumab injection (Cimzia) $19,695 (2018-2024) Food & Beverage (100%) Very High
POWELL, CHRISTIAN Santa Barbara 162,882 2,880 Tocilizumab injection (Actemra) $16,773 (2018-2024) Food & Beverage (100%) Very High
KIM, JIM MD Bakersfield 161,224 1,946 Tocilizumab injection (Actemra) $18,528 (2018-2024) Food & Beverage (94%) Very High
MITTAL, MANISHA MD Fresno 158,935 668 Certolizumab injection (Cimzia) $6,677 (2018-2024) Food & Beverage (100%) Very High
METYAS, SAMY MD Covina 150,834 9,650 Certolizumab injection (Cimzia) $1,277,711 (2018-2024) Consulting (77%) Very High
VIRK DULAI, AMNEET MD Fresno 125,127 2,746 Tocilizumab injection (Actemra) $14,136 (2018-2024) Food & Beverage (100%) Very High
MABAQUIAO, ARTHUR M.D. San Diego 124,643 1,711 Certolizumab injection (Cimzia) $247,351 (2018-2024) Honoraria (49%) Very High
BRION, PAUL M.D. Vista 102,587 1,360 Certolizumab injection (Cimzia) $21,973 (2018-2024) Consulting (80%) Very High
MOLDOVAN, AMIR MD Santa Clarita 102,376 544 Certolizumab injection (Cimzia) $3,067 (2018-2024) Consulting (75%) Very High
BEJKO, ETLEVA M.D. Vista 97,789 1,088 Certolizumab injection (Cimzia) $3,539 (2018-2024) Food & Beverage (100%) Very High
FREYNE, BRIGID M.D. Murrieta 97,145 5,708 Romosozumab injection (Evenity) for osteoporosis $215,032 (2018-2024) Honoraria (48%) Very High
KARAMLOU, KATHY MD Newport Beach 92,858 1,257 Tocilizumab injection (Actemra) $19,407 (2018-2024) Food & Beverage (69%) Very High
SANDHU, HARCHETAN M.D. Chico 92,240 1,069 Certolizumab injection (Cimzia) $9,805 (2018-2024) Food & Beverage (99%) Very High
DHILLON, ROBINDER M.D., M.B.A. Rancho Cordova 82,885 1,373 Certolizumab injection (Cimzia) $9,447 (2018-2024) Food & Beverage (99%) Very High
RATINER, BORIS M.D. Tarzana 79,389 12,452 Certolizumab injection (Cimzia) $32,769 (2018-2024) Food & Beverage (74%) Very High
KOVALOW-ST. JOHN, KAREN M.D. San Luis Obispo 76,335 1,085 Tocilizumab injection (Actemra) $16,508 (2018-2024) Food & Beverage (98%) Very High
LEMON, SUSAN DO Santa Barbara 75,152 1,573 Certolizumab injection (Cimzia) $11,211 (2018-2024) Food & Beverage (100%) Very High
STULL, COURTNEY M.D. Santa Barbara 70,175 450 Certolizumab injection (Cimzia) $52 (2024-2024) Food & Beverage (100%) Very High
KUMAR, MANISHA D.O. San Diego 69,578 1,520 Tocilizumab injection (Actemra) $1,637 (2018-2024) Food & Beverage (94%) Very High
KREITENBERG, ADAM M.D. Tarzana 69,202 12,204 Tocilizumab injection (Actemra) $674,486 (2018-2024) Consulting (95%) Very High
LYNCH, MEGAN D.O. San Diego 68,460 1,444 Tocilizumab injection (Actemra) $8,720 (2018-2024) Food & Beverage (80%) Very High
FELDMAN, GARY MD Los Angeles 57,049 980 Golimumab infusion (Simponi Aria) $160,381 (2018-2024) Consulting (71%) Very High
NEUWELT, C. MICHAEL M.D. San Leandro 53,136 526 Certolizumab injection (Cimzia) $401,237 (2018-2024) Consulting (83%) Very High
CHARABATY, SAMAR M.D. Gilroy 48,287 870 Abatacept infusion (Orencia) $9,270 (2018-2024) Food & Beverage (100%) Very High
KRETZMANN, BENJAMIN M.D. Los Angeles 46,681 3,608 Certolizumab injection (Cimzia) $1,129 (2018-2024) Food & Beverage (100%) Very High
SHAINSKY, KAREN D.O. West Hollywood 44,501 4,251 Joint lubricant injection (GenVisc) $21,738 (2018-2024) Food & Beverage (92%) Very High
DICARLO, DENEEN MD San Luis Obispo 44,410 565 Tocilizumab injection (Actemra) $15,220 (2018-2024) Food & Beverage (100%) Very High
SCARAMANGAS-PLUMLEY, DAPHNE MD Beverly Hills 44,141 3,737 Romosozumab injection (Evenity) for osteoporosis $8,794 (2018-2024) Food & Beverage (78%) Very High
CARR, DAHLIA MD Beverly Hills 43,580 3,072 Romosozumab injection (Evenity) for osteoporosis $14,042 (2018-2024) Food & Beverage (100%) Very High
OH, JENNY M.D. Tarzana 43,056 8,066 Romosozumab injection (Evenity) for osteoporosis $24,596 (2018-2024) Food & Beverage (84%) Very High
MEHTA, AMAL M.D. Hemet 42,598 1,450 Tocilizumab injection (Actemra) $18,209 (2018-2024) Consulting (53%) Very High
STEVENS, MICHAEL M.D. San Mateo 41,807 542 Golimumab infusion (Simponi Aria) $22,993 (2018-2024) Consulting (59%) Very High
MAGNANO, MOLLY MD Berkeley 41,653 441 Tocilizumab injection (Actemra) $37,155 (2018-2024) Consulting (34%) Very High
PECK, ALEXANDER DO Los Angeles 40,486 794 Golimumab infusion (Simponi Aria) $7,177 (2022-2024) Food & Beverage (82%) Very High
FATEMI, GITA M.D. Camarillo 40,263 535 Certolizumab injection (Cimzia) $2,466 (2018-2024) Food & Beverage (99%) Very High
DRIVER, CATHERINE M.D. Mission Viejo 39,747 798 Certolizumab injection (Cimzia) $16,249 (2018-2024) Food & Beverage (100%) Very High
DIXIT, RASHMI M.D. Walnut Creek 36,982 876 Tocilizumab injection (Actemra) $11,831 (2018-2024) Food & Beverage (99%) Very High
SEGAL, STUART M.D. Santa Barbara 35,509 1,709 Denosumab injection (Prolia/Xgeva) $152,512 (2018-2024) Consulting (90%) Very High
SABAHI, IRAJ M.D. Turlock 34,636 675 Abatacept infusion (Orencia) $84,558 (2018-2024) Honoraria (55%) Very High
FRANCO, AL M.D. Riverside 34,092 10,980 Autoimmune disorder antibody test $7,755 (2018-2024) Food & Beverage (100%) Very High
Note: Rheumatology encompasses multiple subspecialties with different practice patterns. Differences in payment amounts and procedure volumes may reflect subspecialty focus rather than practice quality. Consider viewing individual profiles for full context.
Data Disclaimer — Data sourced from the Centers for Medicare & Medicaid Services (CMS): National Plan and Provider Enumeration System (NPPES), Open Payments program, Medicare Provider Utilization and Payment Data, and Provider Enrollment & Certification data (PECOS). Published under the Freedom of Information Act (FOIA). This website is not affiliated with, endorsed by, or authorized by CMS, HHS, or the U.S. Government. Data may contain errors as reported to CMS by providers and reporting entities. Payments from industry are legal and do not indicate wrongdoing. Medicare data reflects only patients aged 65+ or those with qualifying disabilities. For corrections, contact CMS directly. This information does not constitute medical advice and should not be used as the sole basis for choosing a healthcare provider. Procedure descriptions use plain language and do not reference CPT® codes, which are copyrighted by the American Medical Association. Full methodology → · Report a data error → · Privacy policy →