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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. Dilprit Bagga, MD
Mission Hills, CA · $3,308 in drug and device payments (2025) · Telehealth · (818) 837-5757
Dr. Gagandeep Brar, MD
Mission Hills, CA · $2,845 in drug and device payments (2025) · Telehealth · (818) 660-4700
Dr. Rafid Kouz, MD.
Mission Hills, CA · $5,965 in drug and device payments (2025) · Telehealth · (818) 365-9531
Dr. Sarah Ali, MD
Mission Hills, CA · No drug or device payments recorded (2025) · Telehealth · (818) 660-4700
Dr. Sarmen Sarkissian, M.D.
Mission Hills, CA · $156,332 in drug and device payments (2025) · Telehealth · (818) 296-9477
Dr. Shamel Sanani, MD
Mission Hills, CA · $48 in drug and device payments (2025) · Telehealth · (818) 660-4700
Dr. George Miranda, MD
Mission Viejo, CA · $3,495 in drug and device payments (2025) · Telehealth · (949) 347-0600
Dr. Lloyd Nagasawa, M.D.
Mission Viejo, CA · No drug or device payments recorded (2025) · (949) 347-0600
Dr. Minch Fong, M.D.
Mission Viejo, CA · $3,538 in drug and device payments (2025) · Telehealth · (949) 770-8168
Dr. Ming Li, MD
Mission Viejo, CA · $4,645 in drug and device payments (2025) · Telehealth · (949) 347-0600
Dr. Nicholas Burley, DO
Mission Viejo, CA · $793 in drug and device payments (2025) · Telehealth · (844) 959-4673
Dr. Richard Bender, M.D.
Mission Viejo, CA · $698 in drug and device payments (2025) · (949) 427-7933
Dr. Adithya Chennamadhavuni, M.D.
Modesto, CA · $89 in drug and device payments (2025) · Telehealth · (209) 550-4795
Dr. Allen Li, MD, MS
Modesto, CA · $68 in drug and device payments (2025) · Telehealth · (209) 550-4795
Dr. Amarjit Dhaliwal, MD
Modesto, CA · No drug or device payments recorded (2025) · Telehealth · (209) 529-2000
Dr. Belinda Ark, MD
Modesto, CA · No drug or device payments recorded (2025) · Telehealth · (209) 557-1000
Dr. David Adkins, MD
Modesto, CA · No drug or device payments recorded (2025) · (209) 521-6097
Dr. David Shiba, M.D.
Modesto, CA · No drug or device payments recorded (2025) · (209) 524-1211
Dr. Kiranveer Kaur, MD
Modesto, CA · No drug or device payments recorded (2025) · Telehealth · (209) 550-4795
Dr. Megumi Tomita, MD
Modesto, CA · No drug or device payments recorded (2025) · (209) 557-1000
Dr. Mussa Banisadre, MD
Modesto, CA · $2,902 in drug and device payments (2025) · (209) 524-7000
Dr. Robert Levy, MD
Modesto, CA · $45 in drug and device payments (2025) · Telehealth · (209) 529-2000
Dr. Swati Andhavarapu, M.D
Modesto, CA · $51 in drug and device payments (2025) · (209) 521-6097
Dr. Vinod Patwardhan, M.D
Montclair, CA · $24 in drug and device payments (2025) · (909) 967-6302
Dr. Ravin Rupani, M.D.
Montebello, CA · $3,713 in drug and device payments (2025) · Telehealth · (323) 278-4400
Dr. William Chua, M.D.
Montebello, CA · $594 in drug and device payments (2025) · Telehealth · (323) 728-0671
Dr. Anushi Bulumulle, M.D
Monterey, CA · $173 in drug and device payments (2025) · Telehealth · (831) 375-4105
Dr. Arina Golubeva-ganeles, M.D.
Monterey, CA · $199 in drug and device payments (2025) · Telehealth · (831) 920-3222
Dr. Grant Swanson, M.D.
Monterey, CA · $100 in drug and device payments (2025) · (831) 622-2749
Dr. Kent Bransford, M.D.
Monterey, CA · No drug or device payments recorded (2025) · (831) 375-4105
Dr. Kindra Castor
Monterey, CA · $32 in drug and device payments (2025) · (831) 375-4105
Dr. Laura Stampleman, M.D
Monterey, CA · No drug or device payments recorded (2025) · (831) 375-4105
Dr. Lulu Zhang, M.D.
Monterey, CA · $3,623 in drug and device payments (2025) · Telehealth · (831) 375-4105
Dr. Nancy Rubin, D.O.
Monterey, CA · $203 in drug and device payments (2025) · Telehealth · (831) 375-4105
Dr. Ping Hu, M.D.
Monterey, CA · No drug or device payments recorded (2025) · Telehealth · (831) 375-4105
Dr. Roger Shiffman, M.D.
Monterey, CA · $147 in drug and device payments (2025) · (831) 375-4105
Dr. Thomas Bradley, MD, PHD
Monterey, CA · $911 in drug and device payments (2025) · Telehealth · (831) 333-1719
Dr. Edmond Lee, MD
Monterey Park, CA · $1,555 in drug and device payments (2025) · (626) 573-5000
Dr. Keerti Khandelwal, MD
Moreno Valley, CA · $80 in drug and device payments (2025) · Telehealth · (951) 486-4002
Dr. Walter Quan, M.D.
Moreno Valley, CA · No drug or device payments recorded (2025) · (909) 558-4910
Dr. Arun Kumar Arumugam Raajasekar, MD
Mountain View, CA · $942 in drug and device payments (2025) · Telehealth · (650) 988-8338
Dr. Derrick Wong, M.D.
Mountain View, CA · $191 in drug and device payments (2025) · Telehealth · (650) 934-7600
Dr. Hanhsing Wu, MD
Mountain View, CA · $279 in drug and device payments (2025) · (408) 739-6000
Dr. James Heckmann, MD
Mountain View, CA · $22 in drug and device payments (2025) · Telehealth · (650) 934-7600
Dr. Jiali Li, M.D., PH.D
Mountain View, CA · $74 in drug and device payments (2025) · Telehealth · (650) 988-8338
Dr. Daniel Mirda, M.D.
Napa, CA · $1,349 in drug and device payments (2025) · Telehealth · (707) 253-7161
Dr. Paul Dugan, M.D.
Napa, CA · No drug or device payments recorded (2025) · (707) 253-7161
Dr. Sarah Fleisig, M.D.
Napa, CA · $66 in drug and device payments (2025) · (707) 253-7161
Dr. Andrea Stebel, M.D.
Newport Beach, CA · $19,892 in drug and device payments (2025) · (949) 877-9518
Dr. Benjamin Goldenson, MD
Newport Beach, CA · $9,054 in drug and device payments (2025) · Telehealth · (949) 722-6237

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

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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.