State Specialty Directory

Hematology & Oncology in CA

Federal CMS data for 495 hematology & oncology providers across CA. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.

495
Providers
Median industry payments
$8,484
495
Hematology & Oncology Providers
in CA
$8,484
Median Industry Payments
per provider (2018–2024)
3,474
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. Hematology & Oncology includes multiple subspecialties with different practice patterns. Learn more →
Showing top 50 of 495 providers, ranked by Medicare service volume. Search by city to narrow results.

Hematology & Oncology Providers — CA

NPPES · Open Payments · Medicare
Provider City Medicare Volume Beneficiaries* Top Procedure Industry Payments Payment Type Coverage
DREISBACH, LUKE M.D. Rancho Mirage 824,645 9,618 Iron infusion (Injectafer) $19,741 (2018-2024) Food & Beverage (100%) Very High
RAO, RAVI MD Fresno 547,778 11,558 Iron infusion (Injectafer) $85,554 (2018-2024) Consulting (85%) Very High
ESTRADA, DEXTER M.D. Fresno 546,939 9,059 Iron infusion (Injectafer) $8,125 (2018-2024) Food & Beverage (90%) Very High
HASEEB, ABDUL M.D. Fresno 488,407 9,387 Iron infusion (Injectafer) $141,904 (2018-2024) Consulting (93%) Very High
NGUYEN, VINH-LINH MD Bakersfield 383,729 3,300 Nivolumab injection (Opdivo) $1,915 (2018-2024) Food & Beverage (84%) Very High
UCAR, KALUST M.D. Glendale 378,235 3,580 Iron infusion (Injectafer) $7,411 (2018-2023) Consulting (46%) Very High
LAW, AMY M.D. Rancho Mirage 368,240 6,686 Iron infusion (Injectafer) $26,394 (2018-2024) Food & Beverage (99%) Very High
HAGER, STEVEN D.O. Fresno 320,590 6,726 Darbepoetin injection (Aranesp) for anemia $108,993 (2018-2024) Consulting (65%) Very High
HACKETT, LEONARD M.D. Fresno 319,602 7,624 Darbepoetin injection (Aranesp) for anemia $10,355 (2018-2024) Food & Beverage (81%) Very High
TAI, EDMUND M.D. Mountain View 303,639 167,145 Blood draw (venipuncture) $152,956 (2018-2024) Consulting (78%) Very High
JAWIEN, WILLIAM MD Fresno 298,823 5,655 Iron infusion (Injectafer) $10,899 (2018-2024) Food & Beverage (98%) Very High
SLOMOWITZ, SAMUEL M.D. Los Angeles 271,084 3,353 Darbepoetin injection (Aranesp) for anemia $681 (2018-2024) Food & Beverage (89%) Very High
DICARLO, BRIAN MD San Luis Obispo 250,151 3,413 Pembrolizumab injection (Keytruda) $4,739 (2018-2024) Food & Beverage (69%) Very High
NASSIR, YOURAM MD Los Angeles 246,348 9,247 Oxaliplatin chemotherapy injection $24,611 (2018-2024) Food & Beverage (99%) Very High
SHERMAN, MICHAEL M.D., PHD Walnut Creek 213,044 3,356 Darbepoetin injection (Aranesp) for anemia $61,526 (2018-2024) Food & Beverage (75%) Very High
NORTON, MARILYN MD Chula Vista 195,527 2,488 Iron infusion (Injectafer) $5,069 (2018-2024) Food & Beverage (86%) Very High
ZU, KAI M.D. La Mesa 193,945 1,287 Darbepoetin injection (Aranesp) for anemia $42,732 (2018-2024) Consulting (85%) Very High
PARVEEZ, RABIA MD Fresno 193,501 5,052 Iron infusion (Injectafer) $26,371 (2018-2024) Consulting (50%) Very High
CARMICHAEL, MARK MD Rancho Mirage 193,088 4,009 Iron infusion (Injectafer) $29,349 (2018-2024) Food & Beverage (95%) Very High
GUPTA, MUKUL M.D. Santa Barbara 188,007 2,033 Iron infusion (Injectafer) $11,464 (2018-2024) Consulting (74%) Very High
JOHNSON, KENNETH MD Chula Vista 180,398 2,104 Iron infusion (Injectafer) $19,582 (2018-2024) Food & Beverage (49%) Very High
FISCHER, KATRINA San Mateo 173,053 3,768 Iron infusion (Injectafer) $1,958 (2018-2024) Device Loan (67%) Very High
RUBIN, NANCY D.O. Monterey 172,821 3,927 Filgrastim-ayow biosimilar injection, 1 microgram $686 (2018-2024) Food & Beverage (96%) Very High
BATRA, REEMA MD La Mesa 172,204 1,309 Iron infusion (Injectafer) $59,160 (2018-2024) Consulting (80%) Very High
NEWMAN, GREGG M.D. Santa Barbara 169,120 2,353 Darbepoetin injection (Aranesp) for anemia $4,815 (2018-2024) Honoraria (49%) Very High
ASHOURI, SHAHRYAR M.D. Westlake Village 165,305 4,180 Darbepoetin injection (Aranesp) for anemia $7,519 (2018-2024) Consulting (92%) Very High
LIMVARAPUSS, CHAINARONG MD Vallejo 162,151 5,332 Iron infusion (Feraheme) $58,644 (2018-2024) Food & Beverage (49%) Very High
ESHAGHIAN, SHAHROOZ M.D. Los Angeles 161,825 8,832 Iron infusion (Injectafer) $19,817 (2018-2024) Consulting (55%) Very High
SHIRINIAN, MIHRAN M.D. Glendale 148,770 4,624 Pembrolizumab injection (Keytruda) $27,563 (2018-2024) Consulting (50%) Very High
FISCHER, SEAN M.D. Santa Monica 146,120 3,925 Pembrolizumab injection (Keytruda) $3,848 (2018-2024) Consulting (77%) Very High
KIM, DANIEL M.D. South Pasadena 144,868 2,334 Iron infusion (Injectafer) $1,558 (2018-2024) Food & Beverage (90%) Very High
SHARMA, SANJAI MD Los Angeles 139,314 3,243 Iron infusion (Injectafer) $25,458 (2018-2024) Food & Beverage (90%) Very High
LAMON, JOEL MD San Diego 137,768 3,534 Darbepoetin injection (Aranesp) for anemia $6,207 (2018-2024) Food & Beverage (95%) Very High
DHANUKA, PROMILA M.D. Redding 133,676 2,268 Iron infusion (Feraheme) $10,306 (2018-2024) Food & Beverage (84%) Very High
FRAKES, LAURIE M.D. Encinitas 132,971 4,452 Darbepoetin injection (Aranesp) for anemia $9,932 (2018-2024) Food & Beverage (99%) Very High
MEDIC, IGOR M.D. La Mesa 132,442 1,250 Iron infusion (Injectafer) $10,101 (2018-2024) Food & Beverage (92%) Very High
DREISBACH, PHILIP M.D. Rancho Mirage 126,796 3,291 Iron infusion (Injectafer) $19,918 (2018-2024) Food & Beverage (98%) Very High
PHILIP, SUNNY M.D. Lodi 123,262 2,194 Iron infusion (Injectafer) $22,405 (2018-2024) Food & Beverage (66%) Very High
OTIS, STAVROULA M.D. Orange 121,898 2,060 Iron infusion (Injectafer) $23,262 (2018-2024) Food & Beverage (79%) Very High
DAVIS, JULIAN MD Santa Barbara 118,920 2,008 Nivolumab injection (Opdivo) $5,104 (2018-2024) Food & Beverage (78%) Very High
WANG, JANET Santa Cruz 116,884 2,359 Pembrolizumab injection (Keytruda) $416 (2018-2024) Food & Beverage (81%) Very High
CHAMBERLAIN, ERIN M.D. San Luis Obispo 113,955 2,660 Pembrolizumab injection (Keytruda) $916 (2018-2024) Food & Beverage (95%) Very High
WU, LIHONG M.D. Long Beach 112,204 1,915 Iron infusion (Injectafer) $5,074 (2018-2024) Food & Beverage (95%) Very High
WONG, DERRICK M.D. Mountain View 111,358 2,156 Pembrolizumab injection (Keytruda) $517 (2018-2024) Education (36%) Very High
FARJAMI, SASSAN M.D. Long Beach 111,054 2,363 Iron infusion (Injectafer) $44,016 (2018-2024) Consulting (70%) Very High
KLEYNBERG, LEONID M.D. Los Angeles 109,520 2,856 Filgrastim injection, 1 microgram $13,681 (2018-2024) Food & Beverage (100%) Very High
CHANG, JOHNNY MD Encino 109,293 4,622 Iron infusion (Feraheme) $859,858 (2018-2024) Consulting (100%) Very High
SAVEN, ALAN M.D. La Jolla 105,389 1,843 Azacitidine chemotherapy injection $437,278 (2018-2024) Consulting (76%) Very High
CHEN, GIGI M.D. Pleasant Hill 104,768 2,823 Pembrolizumab injection (Keytruda) $101,333 (2018-2024) Consulting (57%) Very High
WONG, GLENN DO Santa Cruz 103,970 2,312 Nivolumab injection (Opdivo) $806 (2018-2024) Food & Beverage (85%) Very High
Note: Hematology & Oncology 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 →