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About St. Joseph Health

SJH provides a full range of care facilities including 16 acute care hospitals, home health agencies, hospice care, outpatient services, skilled nursing facilities, community clinics and physician groups. All of our hospital and home health entities are accredited by the Joint Commission. In our award-winning facilities, SJH maintains a "continuum of care," matched to the diverse needs of the urban centers, smaller cities and rural communities who depend on us every day.

Rolf Knapp, DO

  • Family Medicine
    (Board Certified)
Additional Language Spoken
2540 North Santiago Boulevard
Orange, CA 92867

Primary Office

2540 North Santiago Boulevard
Orange, CA 92867
Get Directions
(714) 921-1030
(714) 921-1032
Mon, Wed, Fri 8 a.m. - 5 p.m., Tue, Thu 8 a.m. -

More Information

  • Meet The Doctor

    Specialties & Education

    Primary Specialties
    • Family Medicine
      (Board Certified)
    Education & Training
    • Medical School
      College of Osteopathic Medicine of the Pacific - 1987
    • Internship
      Normandy Osteopathic Hospital - 1988
    • Residency
      Pacific Hospital of Long Beach - 1989
    Areas of Interest

    Wellness, Prevention

  • Biography



    I have been in practice in Orange County for 21 years, and over that time I have developed a philosophy of caring for patients that focuses on the ability of the body to heal itself. Preventive care must be emphasized and listening to the patient is vital to achieving the goal of optimal health. My desire to work with people and to provide care for them prompted my decision to become a physician. Being a family medicine specialist allows me to treat patients from childhood to maturity. I enjoy being the doctor for the whole family.