Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Duffin, Rheumatologist in Torrance, CA?
Dr. Michael Duffin, MD is a Rheumatologist, who primarily practices in Torrance, CA with 2 additional practice locations. He is board certified by the American Board of Internal Medicine. Dr. Duffin graduated from Ponce Med School and completed his residency at L A Co-Usc Med Ctr, Rheumatology; Loma Linda Univ Med Ctr, Internal Medicine; Wilson Mem Reg Med Ctr, Internal Medicine. Dr. Duffin is fluent in English and Spanish, and is currently seeing new patients. Dr. Duffin’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Duffin’s office at (541) 274-2750.
Where did Dr. Duffin go to medical school and complete their residency?
Fellowship: LAC-USC Medical Center
Residency: L A Co-Usc Med Ctr, Rheumatology; Loma Linda Univ Med Ctr, Internal Medicine; Wilson Mem Reg Med Ctr, Internal Medicine | Loma Linda University Medical Center | PCOM/Wilson Memorial Reg Med Ctr Program
Medical School: Ponce Sch of Med, Ponce Pr | Ponce Med School | Ponce School of Medicine and Health Sciences
Is Dr. Duffin board certified in Rheumatologist?
Yes, Dr. Michael Duffin, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Duffin speak?
Dr. Duffin and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Duffin treat?
As a Rheumatologist, Dr. Duffin 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. Duffin. 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.
Also known as:
- Rheumatoid Arthritis
- RA
- Chronic inflammatory arthritis
- Autoimmune arthritis
- Inflammatory joint disease
ICD-10 Codes:
- M0579: Rheumatoid arthritis with rheumatoid factor of multiple sites without organ or systems involvement
- M0609: Rheumatoid arthritis without rheumatoid factor, multiple sites
Also known as:
- Psoriatic Arthritis
- Psoriasis
- Psoriatic joint inflammation
- Arthritis with psoriasis
- Psoriasis-related joint pain
ICD-10 Codes:
- L4050: Arthropathic psoriasis, unspecified
Also known as:
- Other Abnormal Immune System Markers
- Unusual immune findings
- Abnormal immunology results
- Abnormal serum immunology
ICD-10 Codes:
- R768: Other specified abnormal immunological findings in serum
Also known as:
- Long-Term Opioid Pain Reliever Use
- Other Long-Term Drug Therapy
- Long-Term Antimetabolite Use
- Pain Relievers
- Chronic opioid therapy
- Ongoing narcotic pain medication
- Opioid analgesic use
- Chronic medication use
- Ongoing drug treatment
- Extended drug therapy
- Chronic antimetabolite therapy
- Ongoing antimetabolite treatment
- Antimetabolite drug use
ICD-10 Codes:
- Z79891: Long term (current) use of opiate analgesic
- Z79899: Other long term (current) drug therapy
- Z79631: Long term (current) use of antimetabolite agent
Also known as:
- Widespread Osteoarthritis
- Osteoarthritis of both knees
- Osteoarthritis
- Generalized Osteoarthritis
- Multiple Joint Arthritis
- Polyarthritis
- Degenerative joint disease
- Wear-and-tear arthritis
- Arthrosis
- Joint degeneration
ICD-10 Codes:
- M159: Polyosteoarthritis, unspecified
- M170: Bilateral primary osteoarthritis of knee
Also known as:
- Fibromyalgia
- Widespread pain syndrome
- Chronic muscle pain
- Fibromyositis
ICD-10 Codes:
- M797: Fibromyalgia
Also known as:
- Lupus
- Systemic lupus erythematosus
- SLE
- Disseminated lupus erythematosus
ICD-10 Codes:
- M329: Systemic lupus erythematosus, unspecified
Also known as:
- Polymyalgia Rheumatica
- Polymyalgia Rheumatica and Giant Cell Arteritis
- PMR
- Inflammatory Rheumatism
ICD-10 Codes:
- M353: Polymyalgia rheumatica
Also known as:
- Gout
- Gout in multiple joints
- Gouty Arthritis
- Hyperuricemia
- Uric Acid Arthritis
- Gouty arthritis
- Crystal arthritis
- Metabolic Arthritis
ICD-10 Codes:
- M1A39X0: Chronic gout due to renal impairment, multiple sites, without tophus (tophi)
- M1A00X0: Idiopathic chronic gout, unspecified site, without tophus (tophi)
- M1A09X0: Idiopathic chronic gout, multiple sites, without tophus (tophi)
Also known as:
- Ankylosing Spondylitis
- AS', 'Bechterew's disease
- Marie-Strümpell disease
- AS', 'Bechterew's Disease
- Inflammatory Spinal Arthritis
ICD-10 Codes:
- M456: Ankylosing spondylitis lumbar region
- M450: Ankylosing spondylitis of multiple sites in spine
Also known as:
- Age-Related Osteoporosis
- Fractures
- Osteoporosis
- Senile Osteoporosis
- Primary Osteoporosis
- Bone Thinning from Aging
ICD-10 Codes:
- M810: Age-related osteoporosis without current pathological fracture
Also known as:
- Long-term Systemic Steroid Use
- Steroids
- Chronic systemic corticosteroid use
- Oral steroid therapy long-term
- Systemic steroid medication
ICD-10 Codes:
- Z7952: Long term (current) use of systemic steroids
Also known as:
- Giant cell arteritis
- Giant Cell Arteritis
- Polymyalgia Rheumatica and Giant Cell Arteritis
- Temporal arteritis', 'Horton's disease
- Cranial arteritis
ICD-10 Codes:
- M316: Other giant cell arteritis
Which procedures does Dr. Duffin perform as a Rheumatologist?
As a Rheumatologist, procedures performed by a Dr. Michael Duffin may include:
- Abnormal ANA Testing
- Arthrocentesis
- Denosumab Injection
- Joint Aspiration
- Joint Injections
- Rheumatology Consultation
- Rheumatology Follow Up
- Viscosupplement Injections
For detailed information, please contact Dr. Duffin's office.
Does Dr. Duffin accept my insurance?
Dr. Duffin accepts most major insurance plans. Important: Please call our office at (541) 274-2750 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Duffin accept in Torrance, CA?
Dr. Duffin in Torrance, 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
Atrio Health Plans
Cascade Comprehensive Care
Department of Defense / Tricare
Medicaid
Medicare
Mutual of Omaha
Partnership Health Plan
State of Oregon
UnitedHealthcare
View All Insurances
Where is Dr. Duffin's office located?
Dr. Michael Duffin's Primary Practice
3565 Del Amo Blvd
Torrance, CA 90503
(541) 274-2750
What is Dr. Duffin's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Duffin's National Provider Identifier (NPI) number is 1578587309.
What common questions do patients ask about Dr. Duffin?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Duffin
What is Dr. Michael Duffin's specialty?
Dr. Duffin is a Rheumatologist near Torrance, CA. 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. Contact Dr. Duffin to book an appointment today.
Is this Dr. Michael Duffin affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Duffin is affiliated with Sky Lakes Medical Center which is a Castle Connolly Top Hospital. 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
Where can I learn more about Rheumatologist?
Explore Rheumatologist with 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 Michael Duffin accepting new patients in Torrance, CA?
Yes, Dr. Michael Duffin is accepting new patients at this time.
Does Dr. Michael Duffin offer online booking?
Please contact Dr. Duffin's office at (541) 274-2750 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Michael Duffin?
Please contact Dr. Duffin's office at (541) 274-2750 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Michael Duffin have?
Dr. Michael Duffin is certified by the American Board of Internal Medicine.
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