Dr. Robert Zimmerman, MD

Dr. Robert Zimmerman, MD

Radiation Oncology  |  
Male  |  
52 y/o

Accepting new patients

Dr. Robert Zimmerman, MD is a radiation oncology doctor who practices in Valencia, CA. He is 52 years old. Dr. Zimmerman is affiliated with California Hospital Medical Center, Providence Holy Cross Medical Center and Henry Mayo Newhall Memorial Hospital.

Santa Clarita Radiation Therapy Center

25751 McBean Pkwy Ste 110

Valencia, CA 91355
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Accepted insurance

  • Aetna
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of California
  • Blue Shield of California
  • First Health (Coventry Health Care)
  • LACare
  • Molina Healthcare
  • MultiPlan

Learn about Dr. Zimmerman

Care Philosophy

Dr. Robert Zimmerman is a Cum Laude graduate of the University of California, Los Angeles, where he earned his Bachelor of Science degree in biology. He graduated from the UCLA School of Medicine where he was selected for membership in the honorary medical society, Alpha Omega Alpha. He served his medical internship at UCLA's San Fernando Valley Program at the Olive View Medical Center and the VA Sepulveda Medical Center in California. Dr. Zimmerman completed his radiation oncology residency at the UCLA Department of Radiation Oncology in Los Angeles. Dr. Zimmerman has done extensive research in cancer treatment, and was the recipient of an American Cancer Society Clinical Oncology Fellowship and a RSNA Roentgen Resident/Fellow Research Award. His scientific research work has resulted in numerous publications and presentations pertaining to radiation oncology. Dr. Zimmerman has served as Assistant Professor of Radiation Oncology at the Texas A&M University College of Medicine. He is a member of the American Society for Therapeutic Radiology and Oncology, the American College of Radiation Oncology and is Board Certified in Radiation Oncology by the American Board of Radiology. Dr. Zimmerman has had extensive experience with HDR implants for GYN cancer and Prostate Brachytherapy with permanent seed implants as well being an early adopter of CT guided IMRT using the Tomotherapy Hi-Art system.
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Dr. Zimmerman's Experience

Dr. Zimmerman's experience matches your search based on the following criteria:
  • Based on total number of patients treated over the last 12 months
  • Specializes in Radiation Oncology
  • Board certified in Radiation Oncology
  • No malpractice claims found
  • No sanctions found
  • No board actions found


  • Radiation Oncology

Board Certifications

  • Radiation Oncology
    Accredited by: American Board of Radiology*

Conditions Treated

  • Cancer
  • Gynecologic Cancer


  • Radiation Oncology Procedures
  • Radiation Therapy

Background Check

0 Malpractice Claims

No malpractice history found for California.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • University Of California, Los Angeles
    Undergraduate School | Graduated
  • David Geffen School Of Medicine At UCLA, University Of California, Los Angeles
    Medical School | Graduated
  • Ucla's San Fernando Valley Program At The Olive View Medical Center
    Internship Hospital | Completed
  • Va Sepulveda Medical Center
    Internship Hospital | Completed
  • UCLA Department Of Radiation Oncology
    Residency Hospital | Completed

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
  • RSNA Roentgen Resident/Fellow Research Award,
  • American Cancer Society Clinical Oncology Fellowship,
Media & Publications

Dr. Zimmerman has no media or publications listed.

Languages Spoken

  • English
  • Korean
  • Spanish

Memberships & Professional Affiliations

Dr. Zimmerman does not have any memberships or affiliations listed. If you are Dr. Zimmerman and would like to add memberships or affiliations, please update your profile.

Dr. Zimmerman's Reviews

Likelihood of recommending Dr. Zimmerman to family and friends
based on 1 review
Dr. Zimmerman's Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers Questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness
  • Average wait time
    Over 45 minutes
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Visit Dr. Zimmerman

Now Accepting New Patients
Dr. Zimmerman accepts 8 insurance carriers
  • Aetna
    Aetna HMO
    Basic HMO
    Choice Plus POS II
    Vitalidad Plus California Con Aetna
  • Blue Cross Blue Shield
    Blue Card PPO
  • Blue Cross Blue Shield of California
    Advantage Preferred DirectAccess Plus PPO
    Priority Select HMO
    Select Plus HMO
  • Blue Shield of California
    Access Plus Savenet
    Local Access Plus HMO
  • First Health (Coventry Health Care)
    First Health (Coventry Health Care) PPO
  • LACare
  • Molina Healthcare
  • MultiPlan
    MultiPlan PPO
    PHCS Network PPO

*Please verify this information when scheduling an appointment.

Hospitals where Dr. Zimmerman has admitting privileges

California Hospital Medical Center
1401 S Grand Ave
Los Angeles, CA 90015
View Hospital Profile
Henry Mayo Newhall Memorial Hospital
23845 McBean Pkwy
Valencia, CA 91355
View Hospital Profile
Providence Holy Cross Medical Center
15031 Rinaldi St
Mission Hills, CA 91345
View Hospital Profile