Are you a healthcare professional?
Is this your profile?
background
background
Dr. Diane Tjornhom, MD

Dr. Diane Tjornhom, MD

Rheumatology*
35+ years of experience

Dr. Diane Tjornhom, MD is a rheumatologist in Downey, CA and has over 35 years of experience in the medical field. She graduated from University of Minnesota Medical School in 1989. She is affiliated with medical facilities such as Kaiser Permanente Orange County-Anaheim Medical Center and Kaiser Permanente Los Angeles Medical Center. She is accepting new patients and telehealth appointments.

Practice

9449 Imperial Hwy Downey, CA 90242
Telehealth available
(562) 461-4111

At a Glance

  • Area of Expertise
    Dr. Tjornhom specializes in the area of Rheumatology. • See board certifications
  • Offers Telehealth
    This doctor offers telehealth appointments. Call the office to schedule an appointment.
  • Practices at Top Hospital
    Outstanding Patient Experience Award™ • See hospitals
  • Hospital Satisfaction
    Patients said they were highly satisfied at this doctor's hospital. • See hospitals
ADVERTISEMENT
healthgrades-rx

Save money with free prescription discounts

Optum Perks and Healthgrades are subsidiaries of RVO Health.

Experience Check

Search for experience in a specific area

Learn more about experience and why treatment frequency matters

Insurance Check

Search for your insurance carrier and choose your plan type

Dr. Tjornhom's Reviews

Rheumatology Spotlight

About Me

care philosophy

Health care leader whose mission is to keep you healthy. Under-one-roof convenience, 24-hour advice nurse, and online access to manage your health - anytime.

  • Rheumatology

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • Ucla Harbor Medical Center

    Fellowship Hospital, 1992

  • Ucsd Medical Center - Hillcrest

    Fellowship Hospital, 1992

  • University Miami, Jackson Memorial Hospital

    Internship Hospital, 1990

  • University Of Minnesota Medical School

    Medical School, 1989
American Board of Medical Specialties®
American Board of Internal Medicine®
- 
Rheumatology
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.

Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.

Learn more about medical license public record check

Healthgrades Tips for Getting the Best Rheumatology Care

Locations

Practice

Kaiser Foundation Health Plan9449 Imperial Hwy Downey, CA 90242
1

Affiliated Hospitals

  • Kaiser Permanente Orange County-Anaheim Medical Center

    3440 E La Palma Ave
    Anaheim, CA 92806
    Recipient of 12
    hospital awards

    Outstanding Patient Experience Award™ (2024, 2023, 2022)

    Top in the nation for overall patient experience based on nine measures related to doctor and nurse communication, hospital cleanliness and noise levels, and medication and post-discharge care instructions

    Surgical Care Excellence Award™ (2024, 2023)

    Top in the nation for overall patient experience based on nine measures related to doctor and nurse communication, hospital cleanliness and noise levels, and medication and post-discharge care instructions

    View all awards

    How patients felt about the care they received at this hospital.

    85%
    Patients said they were given information about recovering at home

    1% higher than the national average

    79%
    Patients said that doctors always listened to them and explained things well

    3% higher than the national average

    View all patient feedback

  • Kaiser Permanente Los Angeles Medical Center

    4867 W Sunset Blvd
    Los Angeles, CA 90027
    Recipient of 6
    hospital awards

    Patient Safety Excellence Award™ (2025, 2024)

    Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

    View all awards

    How patients felt about the care they received at this hospital.

    87%
    Patients said they were given information about recovering at home

    3% higher than the national average

    80%
    Patients said that doctors always listened to them and explained things well

    4% higher than the national average

    View all patient feedback

  • Kaiser Permanente South Bay Medical Center

    25825 Vermont Ave
    Harbor City, CA 90710
    Recipient of 1
    hospital award

    How patients felt about the care they received at this hospital.

    87%
    Patients said they were given information about recovering at home

    3% higher than the national average

    79%
    Patients said that doctors always listened to them and explained things well

    3% higher than the national average

    View all patient feedback
Learn more about how Healthgrades measures Hospital Quality