Dr. Duffis Jr graduated from the University of Pennsylvania School of Medicine in 1984. Dr. Duffis Jr works in Santa Rosa, CA and 1 other location and specializes in Radiology and Vascular & Interventional Radiology. Dr. Duffis Jr is affiliated with Kaiser Permanente Santa Rosa Medical Center.


Years Experience: 35

Dr. Duffis Jr's Specialties

Dr. Duffis Jr's Education & Training

Medical School
University of Pennsylvania School of Medicine; Graduated 1984


  • Overall Rating

  • Rate
    Explains conditions & treatments

  • Rate
    Takes time to answer my questions

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    Provides follow-up as needed

Dr. Duffis Jr's Accepted Insurance

Please verify insurance information directly with your doctor's office as it may change frequently.

Insurance Plans

  • BCBS Blue Card PPO
  • Kaiser Permanente

Dr. Duffis Jr's Office Information & Appointments

This physician has multiple office locations. See Office Information for details.


Kaiser Permanente Medical Group

401 Bicentennial Way
Santa Rosa, CA 95403

Get Directions

Tel: (707) 393-4000

Fax: (707) 393-4234

Practice Website: kp.org

Accepting New Patients: Yes

Medicare Accepted: Yes

Medicaid Accepted: Yes


Other Physicians in Dr. Duffis Jr's Practice