Affiliated with a Castle Connolly Top Hospital
Who is Dr. Tan, Rheumatologist in Smithtown, NY?
Dr. Mark Tan, MD is a Rheumatologist, who primarily practices in Smithtown, NY. He is board certified. Dr. Tan graduated from University at Buffalo State University of New York School of Medicine & Biomedical Sciences. Dr. Tan is fluent in English, and is currently seeing new patients. Dr. Tan’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Tan’s office at (631) 724-8900.
What are Areas of Expertise for Dr. Tan?
Dr. Mark Tan, MD is a highly-rated, board-certified Rheumatologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Tan empowers patients to confidently navigate their health journey, specializing in Lupus/SLE, Rheumatoid Arthritis, and comprehensive wellness support. Serving the Smithtown, NY community, Dr. Tan is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Tan go to medical school and complete their residency?
Medical School: University at Buffalo State University of New York School of Medicine & Biomedical Sciences
Is Dr. Tan board certified as a Rheumatologist?
Yes, Dr. Mark Tan, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Tan speak?
Dr. Tan and their clinical team can communicate with patients in the following languages:
English
What conditions does a Rheumatologist like Dr. Tan typically treat?
As a Rheumatologist, Dr. Tan 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. Tan. 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:
- 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:
- Osteoarthritis of both knees
- Primary Osteoarthritis in Right Knee
- Osteoarthritis of the left knee
- Primary Generalized Osteoarthritis
- Osteoarthritis
- Degenerative joint disease
- Wear-and-tear arthritis
- Arthrosis
- Joint degeneration
- Right Knee Arthritis
- Right Knee Degenerative Joint Disease
- Primary Widespread Arthritis
- Idiopathic Generalized Osteoarthritis
- Generalized Degenerative Joint Disease
ICD-10 Codes:
- M170: Bilateral primary osteoarthritis of knee
- M1711: Unilateral primary osteoarthritis, right knee
- M1712: Unilateral primary osteoarthritis, left knee
- M150: Primary generalized (osteo)arthritis
Also known as:
- Lupus
- Systemic lupus erythematosus
- SLE
- Disseminated lupus erythematosus
ICD-10 Codes:
- M329: Systemic lupus erythematosus, unspecified
Also known as:
- High Antibody Levels
- Immune System and Disorder
- Elevated Antibody Titer
- Increased Antibodies
- Positive Antibody Test
ICD-10 Codes:
- R760: Raised antibody titer
What procedures does a Rheumatologist like Dr. Tan typically perform?
As a Rheumatologist, procedures performed by Dr. Mark Tan may include:
- Abnormal ANA Testing
- Arthrocentesis
- Denosumab Injection
- Joint Aspiration
- Joint Injections
- Rheumatology Consultation
- Rheumatology Follow Up
- Viscosupplement Injections
Please contact Dr. Tan's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Tan accept my insurance?
Dr. Tan accepts most major insurance plans. Important: Please call our office at (631) 724-8900 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Tan accept in Smithtown, NY?
Dr. Tan in Smithtown, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Centene Corporation
Cigna Group
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
EmblemHealth
Humana
Medicare
National Benefit Fund
Service Employees International Union (SEIU)
UnitedHealth Group
View All Insurances
Where is Dr. Tan's office located?
Dr. Mark Tan's Primary Practice
222 E Middle Country Rd Ste 312
Smithtown, NY 11787
(631) 724-8900
What is Dr. Tan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Tan's National Provider Identifier (NPI) number is 1083770580.
What common questions do patients ask about Dr. Tan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Tan
What is Dr. Mark Tan's specialty?
Dr. Tan is a Rheumatologist near Smithtown, NY.
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. Mark Tan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Tan is affiliated with St. Catherine Of Siena Hospital 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
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 Mark Tan accepting new patients in Smithtown, NY?
Yes, Dr. Mark Tan is accepting new patients at this time.
Does Dr. Mark Tan offer online booking?
Please contact Dr. Tan's office at (631) 724-8900 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Mark Tan?
Please contact Dr. Tan's office at (631) 724-8900 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Mark Tan have?
Dr. Mark Tan is certified by the American Board of Internal Medicine.
<section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>