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. 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 as a 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
- M069: Rheumatoid arthritis, unspecified
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:
- Widespread Osteoarthritis
- Osteoarthritis of both knees
- Osteoarthritis
- Osteoarthritis of the right hand
- Generalized Osteoarthritis
- Multiple Joint Arthritis
- Polyarthritis
- Degenerative joint disease
- Wear-and-tear arthritis
- Arthrosis
- Joint degeneration
- Degenerative Joint Disease
- Wear-and-Tear Arthritis
- Joint Degeneration
ICD-10 Codes:
- M159: Polyosteoarthritis, unspecified
- M170: Bilateral primary osteoarthritis of knee
- M1990: Unspecified osteoarthritis, unspecified site
- M19041: Primary osteoarthritis, right hand
Also known as:
- Lupus
- Lupus kidney disease
- Kidney Disease
- Systemic lupus erythematosus
- SLE
- Disseminated lupus erythematosus
- Lupus nephritis
- Kidney inflammation from lupus
- Glomerulonephritis in SLE
ICD-10 Codes:
- M329: Systemic lupus erythematosus, unspecified
- M3214: Glomerular disease in systemic lupus erythematosus
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:
- Fibromyalgia
- Widespread pain syndrome
- Chronic muscle pain
- Fibromyositis
ICD-10 Codes:
- M797: Fibromyalgia
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
- Metabolic Arthritis
- Gouty arthritis
- Crystal arthritis
ICD-10 Codes:
- M1A39X0: Chronic gout due to renal impairment, multiple sites, without tophus (tophi)
- M1A09X0: Idiopathic chronic gout, multiple sites, without tophus (tophi)
- M1A00X0: Idiopathic chronic gout, unspecified site, without tophus (tophi)
Also known as:
- Ankylosing Spondylitis
- AS', 'Bechterew's Disease
- Inflammatory Spinal Arthritis
- AS', 'Bechterew's disease
- Marie-Strümpell disease
ICD-10 Codes:
- M450: Ankylosing spondylitis of multiple sites in spine
- M456: Ankylosing spondylitis lumbar region
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:
- 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
What procedures does Dr. Duffin perform?
As a Rheumatologist, Dr. Duffin performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed 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:
- Joint or Bursa Injection/Fluid Removal
- Major Joint Injection or Fluid Removal with Ultrasound
- Ultrasound-Guided Joint or Bursa Injection/Aspiration
- Arthrocentesis
- Major Joint Aspiration
- Bursa Injection
- Joint Fluid Removal
- Ultrasound-Guided Arthrocentesis
- Shoulder Injection with Ultrasound
- Hip Aspiration with Ultrasound
- Knee Injection with Ultrasound
- Intermediate Joint Aspiration with Ultrasound
- Bursa Injection with Ultrasound
CPT Codes:
- 20610: Arthrocentesis, aspiration and/or injection, major joint or bursa (eg, shoulder, hip, knee, subacromial bursa); without ultrasound guidance
- 20611: Arthrocentesis, aspiration and/or injection, major joint or bursa (eg, shoulder, hip, knee, subacromial bursa); with ultrasound guidance, with permanent recording and reporting
- 20606: Arthrocentesis, aspiration and/or injection, intermediate joint or bursa (eg, temporomandibular, acromioclavicular, wrist, elbow or ankle, olecranon bursa); with ultrasound guidance, with permanent recording and reporting
Also known as:
- Small Joint or Bursa Injection/Aspiration
- Joint Tap
- Bursa Fluid Removal
- Small Joint Injection
- Arthrocentesis
CPT Codes:
- 20600: Arthrocentesis, aspiration and/or injection, small joint or bursa (eg, fingers, toes); without ultrasound guidance
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
Cambia (Regence)
Cascade Comprehensive Care
City of Los Angeles
Crown Cork and Seal Company
Medicaid
Medicare
State of Oregon
State of Tennessee
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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