4
24 Ratings with 5 written Reviews

Overview based on verified provider data
![]() | ![]() | ![]() | ![]() |
| James Mason, MD | Dr. Eric Louis Sievers, MD | Dr. Swati A Shah, MD | Dr. Michael Wayne Saville, MD |
| Hematology | Oncology | Hematology | Internal Medicine |
| 42 Years of Experience | 38 Years of Experience | 40 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | |||
| Encinitas , CA | SAN DIEGO , CA | Carlsbad , CA | Carlsbad , CA |
| Med School: Wayne State Universtiy School Of Medicine | Med School: Warren Alpert Medical School Of Brown University | Med School: Northwestern University The Feinberg School Of Medicine | |
Current Profile | View Profile | View Profile | View Profile |
James Mason holds an expired medical license in the state of California. They are board certified in Radiation Oncology by the American Board of Radiology.
Board certified in Radiation Oncology by the American Board of Radiology.
Medical Doctor with an expired medical license in the state of California that expired in 2026.
Completed their residency at Wayne St Univ-Detroit M C, Radiation Oncology; Wayne St Univ-Detroit M C, Flexible Or Transitional Year.
Graduated from Wayne State Universtiy School Of Medicine in 1988 and University of California in 1984.
James Mason's NPI number is 1497717730.










Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.