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Dr. Diane Tjornhom, MD

Bellflower, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Tjornhom, Rheumatologist in Bellflower, CA?

    Dr. Diane Tjornhom, MD is a Rheumatologist, who primarily practices in Bellflower, CA with 1 additional practice location. Dr. Tjornhom is fluent in English, and is currently seeing new patients. Dr. Tjornhom’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Tjornhom’s office at (562) 461-3000.

    Where did Dr. Tjornhom go to medical school and complete their residency?

      What languages does Dr. Tjornhom speak?

      Dr. Tjornhom and their clinical team can communicate with patients in the following languages:

      • English

      What conditions does a Rheumatologist like Dr. Tjornhom typically treat?

      As a Rheumatologist, Dr. Tjornhom diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Tjornhom. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology here.

      Also known as:

      • Rheumatoid Arthritis
      • RA
      • Chronic inflammatory arthritis
      • Autoimmune arthritis
      • Inflammatory joint disease

      ICD-10 Codes:

      • M069: Rheumatoid arthritis, unspecified

      Also known as:

      • Lupus
      • Systemic lupus erythematosus
      • SLE
      • Disseminated lupus erythematosus

      ICD-10 Codes:

      • M329: Systemic lupus erythematosus, unspecified

      Also known as:

      • Musculoskeletal Screening
      • Health Screening
      • Bone and Muscle Check-up
      • Joint Health Screening
      • Orthopedic Screening

      ICD-10 Codes:

      • Z13828: Encounter for screening for other musculoskeletal disorder

      Also known as:

      • Osteoarthritis
      • Degenerative Joint Disease
      • Wear-and-Tear Arthritis
      • Joint Degeneration

      ICD-10 Codes:

      • M1990: Unspecified osteoarthritis, unspecified site

      Also known as:

      • Connective Tissue Disorder
      • Systemic Connective Tissue Disease
      • Rheumatic Connective Tissue Disease
      • Autoimmune Connective Tissue Disease

      ICD-10 Codes:

      • M359: Systemic involvement of connective tissue, unspecified

      Also known as:

      • Gout
      • Gouty Arthritis
      • Uric Acid Arthritis
      • Hyperuricemia

      ICD-10 Codes:

      • M109: Gout, unspecified

      Also known as:

      • Fibromyalgia
      • Widespread pain syndrome
      • Chronic muscle pain
      • Fibromyositis

      ICD-10 Codes:

      • M797: Fibromyalgia

      Also known as:

      • Psoriatic Arthritis
      • Psoriasis
      • Psoriatic joint inflammation
      • Arthritis with psoriasis
      • Psoriasis-related joint pain

      ICD-10 Codes:

      • L4050: Arthropathic psoriasis, unspecified

      What procedures does a Rheumatologist like Dr. Tjornhom typically perform?

      As a Rheumatologist, procedures performed by Dr. Diane Tjornhom may include:

      Please contact Dr. Tjornhom's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.

      Does Dr. Tjornhom accept my insurance?

      Dr. Tjornhom accepts most major insurance plans. Important: Please call our office at (562) 461-3000 before your appointment to verify that your specific plan and network are accepted.

      What insurance plans does Dr. Tjornhom accept in Bellflower, CA?

      Dr. Tjornhom in Bellflower, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

      Top Insurances

      • All Other Third Party

      • Cigna Group

      • City of Los Angeles

      • Kaiser Permanente

      • Medicare

      • OptumRx Administered Payer

      • UMR Administered Payer

      • UnitedHealth Group

      • Unknown

      View All Insurances

      Where is Dr. Tjornhom's office located?

      Dr. Diane Tjornhom's Primary Practice

      9400 Rosecrans Ave

      Bellflower, CA 90706

      (562) 461-3000

      Get Directions

      Dr. Diane Tjornhom's Practice 2

      9449 Imperial Hwy

      Downey, CA 90242

      Get Directions

      What is Dr. Tjornhom's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

      Dr. Tjornhom's National Provider Identifier (NPI) number is 1649339235.

      What common questions do patients ask about Dr. Tjornhom?

      Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Tjornhom

      What is Dr. Diane Tjornhom's specialty?

      Dr. Tjornhom is a Rheumatologist near Bellflower, CA.

      What does a Rheumatologist do?

      An internist specializing in the treatment of diseases affecting the joints, muscles, bones, and tendons. This specialist diagnoses and manages conditions such as arthritis, back pain, muscle strains, common sports injuries, and collagen-related diseases.

      Is this Dr. Diane Tjornhom affiliated with a ranked Castle Connolly Top Hospital?

      Yes, Dr. Tjornhom is affiliated with Kaiser Permanente South Bay Medical Center, Kaiser Permanente Baldwin Park Medical Center, Kaiser Permanente Orange County - Anaheim Medical Center, Kaiser Permanente Fontana Medical Center, Kaiser Permanente Riverside Medical Center, Kaiser Permanente West Los Angeles Medical Center which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

      When to see a Rheumatologist?: Guides for symptoms, conditions, and treatments

      Understand your symptoms and know when it’s time to see a Rheumatologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

      Is Diane Tjornhom accepting new patients in Bellflower, CA?

      Yes, Dr. Diane Tjornhom is accepting new patients at this time.

      Does Dr. Diane Tjornhom offer online booking?

      Please contact Dr. Tjornhom's office at (562) 461-3000 for information about online booking, telehealth, or to schedule an appointment.

      How can I make an appointment with Diane Tjornhom?

      Please contact Dr. Tjornhom's office at (562) 461-3000 for information regarding telehealth appointment availability or for scheduling assistance.

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