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Hematologists and Oncologists in California

Data updated monthly · Last refresh October 2026

1,582 Hematology & Oncology providers practice in California, including 855 (54%) offering telehealth. The largest concentration is in Los Angeles. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

1,582providers
855telehealth
Los Angelestop city

Hematology & Oncology by city in California

Choose a city to see providers there.

Hematology & Oncology in Los Angeles152 providers
Hematology & Oncology in San Diego89 providers
Hematology & Oncology in Sacramento77 providers
Hematology & Oncology in San Francisco64 providers
Hematology & Oncology in Orange62 providers
Hematology & Oncology in La Jolla46 providers
Hematology & Oncology in Santa Monica43 providers
Hematology & Oncology in Torrance33 providers
Hematology & Oncology in Fresno31 providers
Hematology & Oncology in Stanford30 providers
Hematology & Oncology in Walnut Creek23 providers
Hematology & Oncology in Newport Beach21 providers
Hematology & Oncology in Rancho Mirage19 providers
Hematology & Oncology in Long Beach18 providers
Hematology & Oncology in Roseville17 providers
Hematology & Oncology in Fountain Valley17 providers
Hematology & Oncology in Beverly Hills16 providers
Hematology & Oncology in Santa Barbara16 providers
Hematology & Oncology in San Jose15 providers
Hematology & Oncology in Oakland14 providers
Hematology & Oncology in Downey14 providers
Hematology & Oncology in Anaheim14 providers
Hematology & Oncology in Irvine13 providers
Hematology & Oncology in Santa Rosa13 providers

Hematology & Oncology providers in California

Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Arvind Shinde, M.D., M.B.A., M.P.H.
West Hollywood, CA · $40 in drug and device payments (2025) · Telehealth · (310) 248-6998
Dr. John Chute, M.D.
West Hollywood, CA · No drug or device payments recorded (2025) · (310) 248-7622
Dr. Jun Gong
West Hollywood, CA · $53,340 in drug and device payments (2025) · Telehealth · (310) 423-3277
Dr. Justin Darrah, M.D.
West Hollywood, CA · $87 in drug and device payments (2025) · Telehealth · (310) 385-3200
Dr. Maria Delioukina, MD
West Hollywood, CA · No drug or device payments recorded (2025) · (310) 423-1160
Dr. Mouni Audeh, M.D.
West Hollywood, CA · No drug or device payments recorded (2025) · (310) 423-1188
Dr. Richard Gould, MD
West Hollywood, CA · $24 in drug and device payments (2025) · (310) 659-1848
Dr. Julie Huynh, MD
Westlake Village, CA · $327 in drug and device payments (2025) · Telehealth · (805) 496-5153
Dr. Lauren Eisenbud, MD
Westlake Village, CA · $68 in drug and device payments (2025) · Telehealth · (805) 496-5153
Dr. Michael Cerniglia, MD
Westlake Village, CA · $1,384 in drug and device payments (2025) · (805) 496-5153
Dr. Rodolfo Gutierrez, MD
Westlake Village, CA · $302 in drug and device payments (2025) · Telehealth · (805) 496-5153
Dr. Shahryar Ashouri, M.D.
Westlake Village, CA · $31 in drug and device payments (2025) · (805) 496-5153
Dr. Sidharth Anand, M.D.
Westlake Village, CA · $5,461 in drug and device payments (2025) · Telehealth · (805) 496-5153
Dr. Andrew Pham, MD
Whittier, CA · $5,298 in drug and device payments (2025) · Telehealth · (562) 789-5480
Dr. Edwin Lin, M.D.
Whittier, CA · $1,562 in drug and device payments (2025) · Telehealth · (562) 789-5480
Dr. Jack Freimann, M.D.
Whittier, CA · $2,690 in drug and device payments (2025) · Telehealth · (562) 698-6888
Dr. Jeremy Chuang, MD
Whittier, CA · $3,433 in drug and device payments (2025) · Telehealth · (562) 789-5480
Dr. Lisa Wang, M.D.
Whittier, CA · $1,087 in drug and device payments (2025) · Telehealth · (562) 789-5480
Dr. Merrill Shum, M.D.
Whittier, CA · $6,659 in drug and device payments (2025) · Telehealth · (562) 698-6888
Dr. Bruce Hayton, M.D.
Wildomar, CA · No drug or device payments recorded (2025) · Telehealth · (951) 698-7514
Dr. Alborz Alali, M.D.
Woodland, CA · $122 in drug and device payments (2025) · Telehealth · (530) 666-1631
Dr. Nabin Khanal, MBBS
Woodland, CA · $27 in drug and device payments (2025) · Telehealth · (530) 668-2600
Dr. Sanaz Ghafouri, M.D.
Woodland, CA · $122 in drug and device payments (2025) · Telehealth · (530) 668-2600
Dr. Sonia Reichert, M.D
Woodland, CA · No drug or device payments recorded (2025) · (530) 668-2600
Dr. David Beard, MD
Woodland Hills, CA · No drug or device payments recorded (2025) · (818) 719-2000
Dr. Elizabeth Krecker, MD
Woodland Hills, CA · No drug or device payments recorded (2025) · (818) 719-2000
Dr. Erik Jancis, MD
Woodland Hills, CA · No drug or device payments recorded (2025) · (818) 719-2000
Dr. Gary Schwartz, MD
Woodland Hills, CA · No drug or device payments recorded (2025) · (818) 719-2000
Dr. Jia-ling Chou, MD
Woodland Hills, CA · No drug or device payments recorded (2025) · (818) 719-2000
Dr. Gail Brown, M.D.
Woodside, CA · No drug or device payments recorded (2025) · (650) 845-7901
Dr. Matthew Keating, M.D.
Yorba Linda, CA · No drug or device payments recorded (2025) · Telehealth · (714) 612-1192
Dr. Madhu Jodhani, M.D.
Yuba City, CA · $847 in drug and device payments (2025) · (530) 671-5175

Conditions Hematology & Oncology providers in California commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Hematology & Oncology providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Hematology & Oncology providers are in California?

There are 1,582 Hematology & Oncology providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.

Do Hematology & Oncology providers in California offer telehealth?

Yes. 855 of the 1,582 Hematology & Oncology providers in California (about 54%) report offering telehealth services in CMS data.

Which cities in California have the most Hematology & Oncology providers?

Los Angeles (152), San Diego (89), Sacramento (77) have the highest concentration of Hematology & Oncology providers in California.

How many Hematology & Oncology providers in California received drug or device company payments?

995 of 1,582 Hematology & Oncology providers in California (63%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Hematology & Oncology providers in California treat?

Hematology & Oncology providers commonly treat breast cancer, lung cancer, lymphoma, leukemia, anemia and related conditions. Individual practices vary, so confirm with the provider before booking.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

Do most Hematologists and Oncologists in California work in independent practices or large health systems?

Among 1,081 Hematologists and Oncologists in California enrolled in Medicare, 11% bill through a solo or small practice with fewer than 10 clinicians, 12% through a mid-size group of 10 to 99, and 77% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Hematologists and Oncologists in California work at?

According to CMS facility affiliation records, the California hospitals where the most Hematologists and Oncologists hold privileges are Ronald Reagan UCLA Medical Center in Los Angeles; Uci Health-Orange in Orange; Santa Monica - UCLA Med Ctr & Orthopaedic Hospital in Santa Monica.

Related reading on HealthcareDiscovery.AI

Hematology & Oncology in all 50 states Search all 1,582 in the directory Ask Zach for help choosing

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Hematology & Oncology in California? Get featured.