The 20 Best IgG4-Related Disease Doctors Near Me in Smithtown, NY

Find the Top IgG4-Related Disease Experts and Specialists

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    Last Updated: 01/09/2026

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    MediFind found 10 doctor with experience in IgG4-Related Disease near Smithtown, NY. Of these, 5 are Advanced and 5 are Experienced.

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    10 providers found
      Advanced in IgG4-Related Disease

      Dr. Mark Tan

      Rheumatology
      Advanced in IgG4-Related Disease

      Dr. Mark Tan

      Rheumatology
      222 E Middle Country Rd, Suite 312, 
      Smithtown, NY 
       (0.6 miles away)
      631-724-8900
      Languages Spoken:
      English
      See accepted insurances
      Offers Telehealth

      Mark Tan is a Rheumatologist in Smithtown, New York. Dr. Tan is rated as an Advanced provider by MediFind in the treatment of IgG4-Related Disease. His top areas of expertise are Rheumatoid Arthritis (RA), Mevalonate Kinase Deficiency, Light Chain Deposition Disease (LCDD), and IgG4-Related Disease.

      Advanced in IgG4-Related Disease

      Dr. Howard B. Blumstein

      Rheumatology
      Advanced in IgG4-Related Disease

      Dr. Howard B. Blumstein

      Rheumatology

      Rheumatology Associates Of Li Llp

      315 E Main St, 
      Smithtown, NY 
       (1.1 miles away)
      631-360-7778
      Languages Spoken:
      English
      See accepted insurances
      Offers Telehealth

      Howard Blumstein is a Rheumatologist in Smithtown, New York. Dr. Blumstein is rated as an Advanced provider by MediFind in the treatment of IgG4-Related Disease. His top areas of expertise are Rheumatoid Arthritis (RA), Dermatomyositis, Psoriatic Arthritis, and Psoriasis.

      What does Elite, Distinguished, Advanced, Experienced mean?
      Advanced in IgG4-Related Disease

      Dr. Max I. Hamburger

      Rheumatology
      Advanced in IgG4-Related Disease

      Dr. Max I. Hamburger

      Rheumatology

      Rheumatology Associates Of Li Llp

      315 E Main St, 
      Smithtown, NY 
       (1.1 miles away)
      631-360-7778
      Languages Spoken:
      English
      See accepted insurances
      Offers Telehealth

      Max Hamburger is a Rheumatologist in Smithtown, New York. Dr. Hamburger is rated as an Advanced provider by MediFind in the treatment of IgG4-Related Disease. His top areas of expertise are Gout, Rheumatoid Arthritis (RA), Light Chain Deposition Disease (LCDD), and IgG4-Related Disease.

      Learn about our expert tiers
      Experienced in IgG4-Related Disease

      Dr. Luiziana M. Marinescu

      Rheumatology
      Experienced in IgG4-Related Disease

      Dr. Luiziana M. Marinescu

      Rheumatology

      Rheumatology Associates Of Li Llp

      315 E Main St, 
      Smithtown, NY 
       (1.1 miles away)
      631-360-7778
      Languages Spoken:
      English
      See accepted insurances
      Offers Telehealth

      Luiziana Marinescu is a Rheumatologist in Smithtown, New York. Dr. Marinescu is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. Her top areas of expertise are Rheumatoid Arthritis (RA), Psoriatic Arthritis, Psoriasis, and Osteoporosis.

      Experienced in IgG4-Related Disease

      Dr. Daniel Torres-Leyva

      Rheumatology
      Experienced in IgG4-Related Disease

      Dr. Daniel Torres-Leyva

      Rheumatology

      Rheumatology Associates Of Li Llp

      315 E Main St, 
      Smithtown, NY 
       (1.1 miles away)
      631-360-7778
      Languages Spoken:
      English
      See accepted insurances
      Offers Telehealth

      Daniel Torres-Leyva is a Rheumatologist in Smithtown, New York. Dr. Torres-Leyva is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. His top areas of expertise are Rheumatoid Arthritis (RA), Psoriasis, Psoriatic Arthritis, and Gout.

      Advanced in IgG4-Related Disease

      Dr. David M. Dunaief

      Internal Medicine
      Advanced in IgG4-Related Disease

      Dr. David M. Dunaief

      Internal Medicine
      47 Route 25a 1, 
      Setauket, NY 
       (7.5 miles away)
      631-380-2888
      Languages Spoken:
      English
      See accepted insurances
      Offers Telehealth

      David Dunaief is a primary care provider, practicing in Internal Medicine in Setauket, New York. Dr. Dunaief is rated as an Advanced provider by MediFind in the treatment of IgG4-Related Disease. His top areas of expertise are IgG4-Related Disease, Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcus Infections, Light Chain Deposition Disease (LCDD), and MAGIC Syndrome.

      Experienced in IgG4-Related Disease

      Dr. Asha L. Patnaik

      Rheumatology | Hospital Medicine
      Experienced in IgG4-Related Disease

      Dr. Asha L. Patnaik

      Rheumatology | Hospital Medicine

      Stony Brook Internists University Faculty Practice Corporation

      26 Research Way, 
      East Setauket, NY 
       (6.7 miles away)
      631-444-0580
      Languages Spoken:
      English
      See accepted insurances
      Offers Telehealth

      Asha Patnaik is a Rheumatologist and a Hospital Medicine provider in East Setauket, New York. Dr. Patnaik is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. Her top areas of expertise are Postmenopausal Osteoporosis, Osteoporosis, Rheumatoid Arthritis (RA), Raynaud Phenomenon, and Tissue Biopsy.

      Experienced in IgG4-Related Disease

      Dr. Bahar Moghaddam

      Rheumatology
      Experienced in IgG4-Related Disease

      Dr. Bahar Moghaddam

      Rheumatology

      North Shore Hematology Oncology Associates PC

      1500 Route 112, 
      Port Jefferson Station, NY 
       (9.5 miles away)
      631-751-3000
      Languages Spoken:
      English
      See accepted insurances
      Offers Telehealth

      Bahar Moghaddam is a Rheumatologist in Port Jefferson Station, New York. Dr. Moghaddam is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. Her top areas of expertise are Scleredema, Lupus Nephritis, Goodpasture Syndrome, and Takayasu Arteritis.

      Advanced in IgG4-Related Disease

      Dr. Harley J. Cohen

      Rheumatology
      Advanced in IgG4-Related Disease

      Dr. Harley J. Cohen

      Rheumatology

      North Shore Medical Group Of The Mount Sinai School Of Medicine

      325 Park Ave, 
      Huntington, NY 
       (11.8 miles away)
      631-659-4400
      Languages Spoken:
      English
      See accepted insurances
      Offers Telehealth

      Harley Cohen is a Rheumatologist in Huntington, New York. Dr. Cohen is rated as an Advanced provider by MediFind in the treatment of IgG4-Related Disease. His top areas of expertise are Polymyalgia Rheumatica, Rhizomelic Pseudopolyarthritis, Rheumatoid Arthritis (RA), and Raynaud Phenomenon.

      Experienced in IgG4-Related Disease

      Dr. Barry Gruber

      Rheumatology
      Experienced in IgG4-Related Disease

      Dr. Barry Gruber

      Rheumatology

      South Shore Comprehensive Medical Group PC

      500 W Main St Ste 110, 
      Babylon, NY 
       (14.5 miles away)
      631-385-5030
      Languages Spoken:
      English
      See accepted insurances
      Offers Telehealth

      Barry Gruber is a Rheumatologist in Babylon, New York. Dr. Gruber is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. His top areas of expertise are Postmenopausal Osteoporosis, Osteoporosis, Rhizomelic Pseudopolyarthritis, and Polymyalgia Rheumatica.

      Showing 1-10 of 10

      Last Updated: 01/09/2026

      What is the definition of IgG4-Related Disease?

      IgG4-related disease (IgG4-RD) is an autoimmune disorder in which patients have elevated blood levels of IgG4, the most common form of immunoglobulin that circulates in the blood. Increased levels of IgG4 can cause inflammation in a single organ or in multiple organs, such as the meninges (tissue surrounding brain and spinal cord), the eye sockets, lacrimal (tear duct) glands, salivary glands, thyroid gland, lungs, aorta, kidneys, bladder, pancreas, and bile ducts. IgG4-related disease most often affects middle-aged and elderly males, and rarely, children.

      When should I see an IgG4-Related Disease doctor near Smithtown, NY?

      There are various reasons why you may want to see a specialist, such as: 

      • Your primary care provider recommends it. 
      • Your condition requires expert knowledge and specialized care. 
      • Your symptoms persist or worsen despite treatment. 
      • You need specialized testing or procedures. 
      • You want a second opinion.  

      What should I consider when choosing an IgG4-Related Disease doctor near Smithtown, NY?

      It’s important to see a provider with expertise in your specific condition. Each provider profile in MediFind’s doctor database includes information on which conditions they treat, years of experience, research contributions, languages spoken, insurance plans accepted, and more.  

      How do I find the best IgG4-Related Disease doctor near Smithtown, NY?

      You can find an IgG4-Related Disease doctor in any of the 10 largest U.S. cities by clicking below:

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      How does MediFind rank IgG4-Related Disease doctors near Smithtown, NY?

      MediFind’s rankings are based on a variety of data sources, such as the number of articles a doctor has published in medical journals, participation in clinical trials and industry conferences, as well as the number of patients that provider sees for a given condition. Note that MediFind’s provider database is not based on user reviews, and providers do not pay to be included in the database. 

      What types of insurance are accepted by IgG4-Related Disease doctors near Smithtown, NY?

      Most profiles in MediFind’s doctor database include a list of insurance plans accepted by that provider. However, it’s a good idea to contact the provider’s office to make sure they still accept your insurance, then doublecheck by contacting your insurance plan to confirm they’re in network. 

      How can I book an appointment online with an IgG4-Related Disease doctor near Smithtown, NY?

      MediFind offers direct scheduling for certain providers using the “Request Appointment” button on that provider’s profile. If the schedule option is not available for a provider, tap the red “Show Phone Number” button on their profile to get their contact information. If you prefer to find providers who offer online scheduling, select “Schedules online” under the “Availability” category of the filter feature on the left side of the IgG4-Related Disease doctor search results page. 

      Why is it important to get a second opinion from a different IgG4-Related Disease doctor?

      Second opinions are an opportunity to confirm a diagnosis and its root cause, learn about alternative treatment options, or simply gain peace of mind. Many people, especially those with serious diagnoses, get second opinions so they can understand all their options and make informed decisions, so don’t hesitate to get one if you have any doubts or need more information or clarification regarding your care. Note that some insurance plans require second opinions, while others don’t cover second opinions, so be sure to confirm with your insurance provider first.   

      How can I prepare for my appointment with an IgG4-Related Disease doctor near Smithtown, NY?

      Prepare for your appointment by gathering the following items: 

      • Copies of medical records (dating back at least one year) 
      • Your medical history, including illnesses, medical conditions, surgeries, and other doctors you see 
      • Family history of disease 
      • List of current prescription drugs, over-the-counter medicines, vitamins, and herbal remedies or supplements including names and doses 
      • Allergies to medications, food, latex, insects, etc.  
      • List of questions and concerns 
      • Your insurance card 

      You might also contact the provider’s office to see if they offer transportation or childcare services or if you’re allowed to bring a loved one for support or to take notes during your visit. 

      What questions should I ask my IgG4-Related Disease doctor?

      Here are some sample questions: 

      • Can you explain in simple terms what this condition is and how it’s treated? 
      • What symptoms or side effects should I watch for? 
      • What tests will be involved, and when can I expect results? 
      • Are there other specialists I need to see? 
      • What’s the best way to reach you if I have follow-up questions? 

      How can I learn about the latest clinical trials and research advances my IgG4-Related Disease doctor may know about?

      MediFind’s Clinical Trials tool asks you a series of questions to help you narrow down your search by health condition, age, gender, location, how far you’re willing to travel, and more. Each question you answer filters down the number of trials until you find the ones that are most relevant to you. 

      MediFind’s Latest Advances tool features summaries of recent articles published in medical journals. We use cutting-edge technology to scour medical publication databases for the latest research advancements on any given condition, then we simplify this information in a way that’s useful and easy to understand. 

      Can I filter my search to show male or female IgG4-Related Disease doctors near Smithtown, NY?

      Look for the filter feature on the left side of the IgG4-Related Disease doctor search results page. Select “Female” or “Male” under the “Gender” category to search for female or male providers exclusively. If the “Any” option is selected, it will pull results for both male and female providers. 

      Can I filter my search to find an IgG4-Related Disease doctor that offers video calls?

      Look for the filter feature on the left-side of the IgG4-Related Disease doctor search results page. Select “Offers telehealth visits” under the Availability category to search for providers who offer virtual appointments (video calls). 

      Reviewed on: 11/11/24  

      By: MediFind Medical Staff 

      Read more about our Content Policy. 

      More IgG4-Related Disease Doctors by city

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      Smithtown
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