Oncologists Accepting HealthPartners in Walnut Creek, CA
11 verified oncologists in Walnut Creek, California accept HealthPartners. Profiles cover focus areas including Radiation Oncology. Common hospital affiliations include Sutter Delta Medical Center, Eden Medical Center, and Saint John's Health Center.


Samuel Choi, M.D.
Oncology
Walnut Creek, CA30+ years
Radiation Oncology


Royce Chrys, MD
Oncology
Walnut Creek, CA30+ years
Radiation Oncology


Ronald Chan, M.D.
Clinical Director of MRI, John Muir Medical Center Walnut Creek and Concord; Director of Musculoskeletal Imaging, Bay Imaging Consultants
Oncology
Walnut Creek, CA20+ years102+ pubs
Radiation Oncology


George Chu, MD
Oncology
Walnut Creek, CA30+ years23+ pubs
Radiation Oncology


Erik Gaensler, MD
Volunteer Clinical Professor of Radiology, UCSF; Faculty, UC Berkeley Medical Program
Oncology
Walnut Creek, CA30+ years4+ pubs
Radiation Oncology


Puskar Pattanayak, MBBS
VP & Chair, Informatics Committee
Oncology
Walnut Creek, CA20+ years16+ pubs
Radiation Oncology


Jonathan Posin, M.D.
Clinical Professor of Radiology, University of California, San Francisco
Oncology
Walnut Creek, CA30+ years14+ pubs
Radiation Oncology


Stephen Hesseltine, M.D.
Oncology
Walnut Creek, CA20+ years6+ pubs
Radiation Oncology


Alex Penn, MD
Radiology Dept Chair, Northbay Medical Center
Oncology
Walnut Creek, CA15+ years6+ pubs
Radiation Oncology


Sangeeta Gambhir, M.D.
Oncology
Walnut Creek, CA30+ years3+ pubs
Radiation Oncology


Molly Honegger, M.D.
Women's Imaging Radiology Specialist
Oncology
Walnut Creek, CA30+ years1+ pubs
Radiation Oncology
Frequently Asked Questions
How do I know these oncologists accept HealthPartners?
Each profile on this page lists HealthPartners among its accepted health plans. Plan participation can change — confirm directly with the practice before your visit.
What HealthPartners plans do these oncologists accept?
Plan-level detail (PPO, HMO, EPO, Medicare Advantage, etc.) varies by specialists. Open a specific provider profile to see the exact HealthPartners plans they've published as accepted.
What should I look for when picking a oncologist that takes HealthPartners?
Start with clinical fit. Profiles on this page mention focus areas including Radiation Oncology. Then verify the specific HealthPartners plan you carry, compare credentials and affiliations, and check whether the profile mentions accepting new patients.
Are these oncologists accepting new patients?
Profile detail on availability varies. Open a specific profile to see what each provider has published about new-patient access and typical wait times.