Smithtown, NY

Advanced Rheumatology,
Mark Tan, MD FACP FACR

Compassionate diagnosis and treatment of arthritis, lupus, rheumatoid arthritis, and autoimmune diseases.

ESTABLISHED 1983

Advanced Rheumatology

At Advanced Rheumatology, we provide personalized, compassionate care for patients with rheumatic and autoimmune conditions. Our goal is to reduce pain, restore mobility, and improve quality of life using the latest evidence-based treatments.

Located in Smithtown, NY, our practice accepts most major insurance plans including Medicare.

Modern rheumatology clinic

Conditions We Treat

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Rheumatoid Arthritis & Inflammatory Arthritis

Early diagnosis, DMARDs, biologics, and infusion therapy to achieve remission and prevent joint damage.

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Lupus, Sjögren’s & Autoimmune Diseases

Comprehensive management of systemic lupus erythematosus, vasculitis, scleroderma, and related conditions.

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Osteoarthritis, Gout & Crystal Arthropathies

Joint injections, lifestyle guidance, and advanced pain management for degenerative and crystal-induced arthritis.

Plus fibromyalgia, psoriatic arthritis, ankylosing spondylitis, osteoporosis, and more.

Dr. Mark Tan, MD FACP FACR
BOARD-CERTIFIED RHEUMATOLOGIST

Meet Dr. Mark Tan, MD FACP FACR

With over 43 years of experience, Dr. Mark Tan specializes in the diagnosis and treatment of rheumatic diseases. He completed his medical degree at the Jacobs School of Medicine and Biomedical Sciences at the University at Buffalo, internal medicine residency at Stony Brook, and rheumatology fellowship at Johns Hopkins University. Dr. Tan is affiliated with St. Catherine of Siena Hospital and is dedicated to providing compassionate, evidence-based care.

TRAINING
SUNY Buffalo • Johns Hopkins Rheumatology Fellowship
CERTIFIED
American Board of Internal Medicine – Rheumatology

Our Smithtown Office

222 Middle Country Road, Suite 312
Smithtown, NY 11787
Hours
Monday – Friday: 8:30 AM – 5:00 PM
Saturday: By appointment only

Get in Touch

New patients are welcome. Call or send us a message today.

(631) 724-8900 info@marktanmdpc.com