Summary

James Mason, M.D., M.P.H., brings a wide variety of radiation oncology expertise to City of Hope. With more than 25 years' experience, he is highly trained and well-versed in the latest precision radiation equipment and techniques including HDR brachytherapy, LDR brachytherapy, intensity modulated radiation therapy, prostate brachytherapy, stereotactic radiosurgery, 3D conformal radiation therapy and the Mammosite system.Dr. Mason received his medical degree from Wayne State University in Detroit where he also completed his internship and residency. He also holds a Masters in Public Health from Harvard.Dr. Mason served at the prestigious Cleveland Clinic for several years before arriving in Southern California. He's spent the past decade treating patients in Wildomar in Riverside County.

Quick Facts

  • accepting new patients
  • 4.8
  • 38 years of experience
  • 39 insurance plans accepted
  • speaks English
  • Wayne St Univ-Detroit M C, Radiation Oncology; Wayne St Univ-Detroit M C, Flexible Or Transitional Year
  • 1 written review
  • 1 specialty
  • 6 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Location

James Mason, M.D., M.P.H.

36450 Inland Valley Drive Suite 101Wildomar, CA 92595

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James Mason, MD, MPHDr. Soumya UnnikrishnanDr. Thavinsakdi Viravathana, MDDr. Basil Harris Chaballout
Radiation OncologyRadiation OncologyRadiation OncologyRadiation Oncology
Accepts New Patients Accepts New Patients
4.8 
38 Years of Experience 4 Years of Experience 62 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks Spanish, Chinese
Wildomar , CATemecula , CAHemet , CAHemet , CA
Med School: Wayne State Universtiy School Of Medicine Med School: University Of California San Diego School Of Medicine Med School: Siriraj Hospital Faculty Of Medicine
Current Profile
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Insurance Plans Accepted by James Mason

  • AARP
  • Aetna
  • Aetna - HMO
  • Aetna - Medicare
  • Alignment Health Plan
  • Alignment Health Plan - HMO
  • AltaMed Senior BuenaCare (PACE)
  • Anthem Blue Cross
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • Cigna
  • Health Net
  • Health Net - ACA
  • Health Net - HMO
  • Humana
  • Humana - HMO
  • Inland Empire Health Plan
  • Medi-Cal - Medicaid
  • Medi-Cal - Medicaid (HMO Plans)
  • Medica
  • Medicaid - Medicaid (HMO Plans)
  • Medicare
  • Medicare - IPA
  • Medicare - Medicaid
  • Medicare - Medicare
  • Molina Healthcare
  • Molina Healthcare - Medicaid
  • Molina Healthcare - Medicaid (HMO Plans)
  • Mutual of Omaha
  • Santa Clara Family Health Plan - Medicaid
  • SCAN Health Plan
  • SCAN Health Plan - HMO
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - POS
  • UnitedHealthcare - PPO
  • Wellcare

Medical Specialties

James Mason has the following specialty

Specialty Expertise

James Mason has the following 6 areas of expertise

  • Breast Cancer
  • Cancer
  • Hodgkin's Lymphoma
  • Lung Cancer
  • Metastatic Breast Cancer
  • Radiation Therapy

Certifications, License, & Education

38 Years Experience

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 Certifications

Board certified in Radiation Oncology by the American Board of Radiology.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2026.

Education & Training

Residency

Completed their residency at Wayne St Univ-Detroit M C, Radiation Oncology; Wayne St Univ-Detroit M C, Flexible Or Transitional Year.

Medical School

Graduated from Wayne State Universtiy School Of Medicine in 1988.

NPI Number

James Mason's NPI number is 1902955818.

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Frequently Asked Questions

What languages does James Mason speak?
James Mason speaks English.
Which hospitals is James Mason affiliated with?
James Mason is affiliated with Inland Valley Medical Center.
How can I make an appointment with James Mason?
You can find contact information for James Mason here on Vitals.
Does James Mason accept virtual/telehealth appointments?
James Mason has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is James Mason accepting new patients?
James Mason is accepting new patients on Vitals. View James Mason's profile on Vitals to make an appointment.

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