Summary

Dr. Diane Tjornhom treats rheumatoid arthritis, osteoarthritis, and systemic lupus erythematosus, and practices rheumatology and internal medicine. She has 37 years of experience and is affiliated with Kaiser Permanente Downey Medical Center. Dr. Tjornhom earned her medical degree from the University of Minnesota Medical School and sees patients in Downey, California.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 37 years of experience
  • speaks English
  • University Of Minnesota Medical School
  • 2 specialties
  • 9 areas of expertise
  • 1 hospital affiliation
  • 2 office locations
  • Female

Office Locations

Dr. Diane Elizabeth Tjornhom has 2 locations

Kaiser Permanente Internal Orchard Medical Offices Medicine

9449 Imperial HwyDowney, CA 90242
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
Sat8:00 am - 5:00 pm
Sun8:00 am - 5:00 pm

Kaiser Permanente Orchard Medical Offices

9449 Imperial HwyDowney, CA 90242
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed

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Dr. Diane Elizabeth Tjornhom, MD
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Dr. Diane Elizabeth Tjornhom, MDDr. Dipti Doshi, MDJaclyn Franco GurecznyRobert Harold Hecht
RheumatologyRheumatologyPediatricsInfectious Disease
Accepts New Patients Accepts New Patients
0 
4.8 
0 
0 
37 Years of Experience 35 Years of Experience 11 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 English, Spanish
Downey , CACerritos , CALos Angeles , CARancho Palos Verdes , CA
Med School: University Of Minnesota Medical School Med School: Rural Medical College Of Pravara Medical Trust Med School: Keck School Of Medicine Of The University Of Southern California Med School: University Of Rochester School Of Medicine & Dentistry
Current Profile
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Insurance Plans Accepted by Dr. Diane Elizabeth Tjornhom

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Diane Elizabeth Tjornhom has the following 2 specialties

Specialty Expertise

Dr. Diane Elizabeth Tjornhom has the following 9 areas of expertise

  • Gout
  • Hip Osteoarthritis
  • Internal Medicine
  • Knee Osteoarthritis
  • Lupus
  • Osteoarthritis
  • Rheumatic Diseases
  • Rheumatoid Arthritis
  • Tendinitis

Certifications, License, & Education

37 Years Experience

Dr. Diane Elizabeth Tjornhom holds an expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2025.

Education & Training

Medical School

Graduated from University Of Minnesota Medical School in 1989.

NPI Number

Dr. Tjornhom's NPI number is 1649339235.

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Frequently Asked Questions

How can I make an appointment with Dr. Diane Tjornhom?
You can find contact information for Dr. Diane Tjornhom here on Vitals.
What languages does Dr. Diane Tjornhom speak?
Dr. Diane Tjornhom speaks English.
Which hospitals is Dr. Diane Tjornhom affiliated with?
Dr. Diane Tjornhom is affiliated with KAISER PERMANENTE DOWNEY MEDICAL CENTER.
Where is Dr. Diane Tjornhom's office located?
Dr. Diane Tjornhom's office is located at 9449 Imperial Hwy, Downey, CA, 90242.
Does Dr. Diane Tjornhom accept my insurance?
You can see the insurance plans that Dr. Diane Tjornhom accepts on their Vitals profile.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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