HealthcareDiscovery.AI / Doctors / California / Chico / Hematology & Oncology

Hematology & Oncology in Chico, California

Data updated monthly · Last refresh September 2026

8 Hematology & Oncology providers practice in Chico. Listings are drawn from federal public records and are not endorsements.

Hematology & Oncology providers in Chico

Listed alphabetically. 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. Debra Garley, MD
Chico, CA · No drug or device payments recorded (2025) · (530) 893-2323
Dr. John Hayward, MD
Chico, CA · No drug or device payments recorded (2025) · (530) 899-9000
Dr. Nicole Whitlatch, MD
Chico, CA · No drug or device payments recorded (2025) · Telehealth · (530) 332-4530
Dr. Rubens Costa Filho, MD
Chico, CA · $1,888 in drug and device payments (2025) · Telehealth · (530) 332-4700
Dr. Sam Mazj, MD
Chico, CA · $15,630 in drug and device payments (2025) · Telehealth · (530) 893-2323
Dr. Sufana Shikdar, MD, MPH
Chico, CA · $371 in drug and device payments (2025) · Telehealth · (530) 332-7300
Dr. William Bonis, MD
Chico, CA · $563 in drug and device payments (2025) · Telehealth · (530) 332-3890
Dr. Yuan Ying, M.D,
Chico, CA · $324 in drug and device payments (2025) · Telehealth · (530) 332-4700

Conditions Hematology & Oncology providers in Chico, 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 Chico, California?

There are 8 Hematology & Oncology providers with active NPI records practicing in Chico, according to federal NPPES data refreshed monthly.

What conditions do Hematology & Oncology providers in Chico treat?

Hematology & Oncology providers in Chico 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 records 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.

All specialties in Chico Hematology & Oncology across California

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.