The 20 Best IgG4-Related Disease Doctors Near Me in Colorado, US

Find the Top IgG4-Related Disease Experts and Specialists

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The 20 Best IgG4-Related Disease Doctors in Colorado, US

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    Last Updated: 02/22/2026

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    MediFind found 33 doctor with experience in IgG4-Related Disease near Colorado, US. Of these, 31 are Experienced and 2 are Advanced.

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    33 providers found
      Jeffrey T. Owsley
      Experienced in IgG4-Related Disease

      Dr. Jeffrey T. Owsley

      Oncology | Hematology Oncology | Hematology
      Experienced in IgG4-Related Disease

      Dr. Jeffrey T. Owsley

      Oncology | Hematology Oncology | Hematology

      Lutheran Hospital - Cancer Centers Of CO Medical Oncology

      400 Indiana Street, Suite 300, 
      Golden, CO 
      303-403-7333
      Experience:
      17+ years
      Languages Spoken:
      English, Spanish
      See accepted insurances
      Accepting New Patients
      Offers Telehealth

      Born in Kansas City, Missouri, Dr. Owsley earned his medical degree in Kansas City. He moved to Denver and completed his residency at Saint Joseph Hospital. After his residency, he worked as a hospitalist in Denver prior to starting a fellowship at the University of Tennessee in Memphis. His clinical interests surround melanoma, lymphoma and primary brain cancers.“A cancer diagnosis is an ailment that encompasses the entire person and as an oncologist, I am privileged to be a part of my patient’s journey. We would not just focus on the disease itself, but also on the effect it has on other aspects of the patient’s life. Overriding everything, we must never lose hope.”Dr. Owsley makes it a priority to be with his patients every step of the way during their cancer journey. He will fight alongside them and is readily available to assist in each patient’s unique journey.Dr. Owsley is an investigator involved in clinical research trials in the area of hematology and medical oncology. When not at work, Dr. Owsley spends his time watching his daughter grow up. He enjoys watching sports and rooting for his favorite teams including the Kansas City Chiefs. However, his wife is a native Denverite and makes sure to balance out his love of the Chiefs with her love of the Broncos. He loves taking advantage of the amazing opportunities that the 300 days of Colorado sunshine provide. Dr. Owsley is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. His top areas of expertise are Paget Disease of the Breast, Breast Cancer, Lynch Syndrome, and Colorectal Cancer.

      Advanced in IgG4-Related Disease

      Dr. Michael Volz

      Internal Medicine
      Advanced in IgG4-Related Disease

      Dr. Michael Volz

      Internal Medicine

      Office

      2 Garden Ctr Ste 201, 
      Broomfield, CO 
      720-887-0700
      Languages Spoken:
      English
      See accepted insurances

      Michael Volz is an Internal Medicine provider in Broomfield, Colorado. Dr. Volz is rated as an Advanced provider by MediFind in the treatment of IgG4-Related Disease. His top areas of expertise are Common Variable Immune Deficiency, Primary Immunodeficiency (PID), Bloom Syndrome, and Urticaria Pigmentosa.

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

      Dr. Isaac Melamed

      Allergy and Immunology
      Experienced in IgG4-Related Disease

      Dr. Isaac Melamed

      Allergy and Immunology

      Veros Health

      1551 Professional Lane, Suite 170, 
      Longmont, CO 
      Experience:
      37+ years
      Languages Spoken:
      English
      See accepted insurances
      Accepting New Patients
      Offers Telehealth

      With more than thirty-five years of experience working as a physician, Dr. Melamed is a respected leader in the fields of immunology and immune-related disease. He has spent over twenty-years researching immune-related disease, primary and secondary immune deficiency, and the link between the immune system and the central nervous system. Dr. Melamed's mission is to identify diseases early, to ensure his patient's optimal health. Dr. Melamed is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. His top areas of expertise are Primary Immunodeficiency (PID), Common Variable Immune Deficiency, Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcus Infections, and Hereditary Angioedema.

      Learn about our expert tiers
      Edan Sarid
      Experienced in IgG4-Related Disease

      Dr. Edan Sarid

      Allergy and Immunology
      Experienced in IgG4-Related Disease

      Dr. Edan Sarid

      Allergy and Immunology

      Veros Health

      6801 S Yosemite St, Suite 170, 
      Centennial, CO 
      303-773-9000
      Languages Spoken:
      English
      See accepted insurances
      Accepting New Patients
      Offers Telehealth

      Dr. Sarid is a dedicated board-certified physician specializing in the practice of adult and pediatric allergy, asthma and immunology. His particular interest is in managing complex immunologic and allergic diseases through the identification and modification of defects in the immune system that cause inflammation. Dr. Sarid began his career in New York as a pediatric hospitalist and urgent care physician and then pursued his life-long interest in allergy, asthma and immunology by completing a subspecialty fellowship at the State University of New York Downstate Medical Center in Brooklyn. There he completed multiple research projects on the long term effects of chronic treatments in immune diseases.After moving to Colorado and joining IMMUNOe Health Centers, Dr. Sarid is utilizing his background in pediatrics and global medicine to provide devoted and passionate care for his patients and for cutting-edge clinical research. Outside of medicine, Dr. Sarid finds leisure in composing and performing his music on the piano as well as discovering Colorado’s beautiful outdoors with his family. Dr. Sarid is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. His top areas of expertise are Common Variable Immune Deficiency, Primary Immunodeficiency (PID), Complement Component 2 Deficiency, and Hereditary Angioedema.

      Experienced in IgG4-Related Disease

      Dr. Mark Sitarik

      Oncology
      Experienced in IgG4-Related Disease

      Dr. Mark Sitarik

      Oncology

      Rocky Mountain Cancer Centers

      4715 Arapahoe Ave, 
      Boulder, CO 
      303-385-2000
      Languages Spoken:
      English
      See accepted insurances
      Accepting New Patients

      Mark Sitarik is an Oncologist in Boulder, Colorado. Dr. Sitarik is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. His top areas of expertise are Von Willebrand Disease (VWD), Heyde Syndrome, Paget Disease of the Breast, and Breast Cancer. Dr. Sitarik is currently accepting new patients.

      Experienced in IgG4-Related Disease

      Dr. Austin Poole

      Oncology
      Experienced in IgG4-Related Disease

      Dr. Austin Poole

      Oncology

      Rocky Mountain Cancer Centers

      4715 Arapahoe Ave, 
      Boulder, CO 
      303-385-2000
      Languages Spoken:
      English
      See accepted insurances
      Accepting New Patients

      Austin Poole is an Oncologist in Boulder, Colorado. Dr. Poole is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. His top areas of expertise are Prostate Cancer, Colorectal Cancer, Familial Colorectal Cancer, and Familial Prostate Cancer. Dr. Poole is currently accepting new patients.

      Experienced in IgG4-Related Disease

      Dr. Leslie Rose

      Rheumatology
      Experienced in IgG4-Related Disease

      Dr. Leslie Rose

      Rheumatology

      Colorado Arthritis Center

      701 E Hampden Ave Ste 410, 
      Englewood, CO 
      303-788-1312
      Languages Spoken:
      English
      See accepted insurances
      Accepting New Patients

      Leslie Rose is a Rheumatologist in Englewood, Colorado. Dr. Rose is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. Her top areas of expertise are Rheumatoid Arthritis (RA), Systemic Sclerosis (SSc), Scleroma, and Postmenopausal Osteoporosis. Dr. Rose is currently accepting new patients.

      Experienced in IgG4-Related Disease

      Dr. David J. Andorsky

      Oncology
      Experienced in IgG4-Related Disease

      Dr. David J. Andorsky

      Oncology

      Rocky Mountain Cancer Centers LLP

      4715 Arapahoe Ave, 
      Boulder, CO 
      303-385-2000
      Languages Spoken:
      English
      See accepted insurances
      Accepting New Patients
      Offers Telehealth

      David Andorsky is an Oncologist in Boulder, Colorado. Dr. Andorsky is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. His top areas of expertise are Follicular Lymphoma, Chronic B-Cell Leukemia (CBCL), Chronic Lymphocytic Leukemia (CLL), and Richter Syndrome. Dr. Andorsky is currently accepting new patients.

      Experienced in IgG4-Related Disease

      Dr. Michael Monticelli

      Oncology
      Experienced in IgG4-Related Disease

      Dr. Michael Monticelli

      Oncology

      Rocky Mountain Cancer Centers

      2312 N Nevada Ave Ste 400, 
      Colorado Springs, CO 
      719-577-2555
      Languages Spoken:
      English
      See accepted insurances
      Accepting New Patients
      Offers Telehealth

      Michael Monticelli is an Oncologist in Colorado Springs, Colorado. Dr. Monticelli is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. His top areas of expertise are Upper Tract Urothelial Carcinoma (UTUC), Large-Cell Immunoblastic Lymphoma, Familial Colorectal Cancer, and Anal Cancer. Dr. Monticelli is currently accepting new patients.

      Advanced in IgG4-Related Disease

      Dr. Liudmila Kastsianok

      Rheumatology
      Advanced in IgG4-Related Disease

      Dr. Liudmila Kastsianok

      Rheumatology

      National Jewish Health

      1400 Jackson St, 
      Denver, CO 
      303-388-4461
      Languages Spoken:
      English
      See accepted insurances
      Offers Telehealth

      Liudmila Kastsianok is a Rheumatologist in Denver, Colorado. Dr. Kastsianok is rated as an Advanced provider by MediFind in the treatment of IgG4-Related Disease. Her top areas of expertise are Systemic Sclerosis (SSc), Scleroma, Rheumatoid Arthritis (RA), and Scleroderma.

      Mehrnaz Maleki-Fischbach
      Experienced in IgG4-Related Disease

      Dr. Mehrnaz Maleki-Fischbach

      Internal Medicine
      Experienced in IgG4-Related Disease

      Dr. Mehrnaz Maleki-Fischbach

      Internal Medicine

      National Jewish Health

      1400 Jackson St, 
      Denver, CO 
      303-398-1355
      Languages Spoken:
      English, Farsi
      See accepted insurances
      Accepting New Patients
      Offers Telehealth

      Mehrnaz Masouleh is an Internal Medicine provider in Denver, Colorado. Dr. Masouleh is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. Her top areas of expertise are Sjogren Syndrome, Acute Interstitial Pneumonia, Systemic Sclerosis (SSc), and Scleroderma. Dr. Masouleh is currently accepting new patients.

      Michael Martucci
      Experienced in IgG4-Related Disease

      Dr. Michael Martucci

      Allergy and Immunology
      Experienced in IgG4-Related Disease

      Dr. Michael Martucci

      Allergy and Immunology

      Office

      2121 E Harmony Rd Unit 290, 
      Fort Collins, CO 
      970-330-5391
      Languages Spoken:
      English
      See accepted insurances

      Michael Martucci is an Allergy and Immunologist in Fort Collins, Colorado. Dr. Martucci is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. His top areas of expertise are Allergic Rhinitis, Grass Allergy, Sinusitis, and Hives.

      Experienced in IgG4-Related Disease

      Dr. Janelle Laughlin

      Rheumatology
      Experienced in IgG4-Related Disease

      Dr. Janelle Laughlin

      Rheumatology

      Longmont Clinic Lab

      1925 Mountain View Ave, 
      Longmont, CO 
      303-776-1234
      Languages Spoken:
      English
      See accepted insurances
      Offers Telehealth

      Janelle Laughlin is a Rheumatologist in Longmont, Colorado. Dr. Laughlin is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. Her top areas of expertise are Rheumatoid Arthritis (RA), Necrotizing Vasculitis, Undifferentiated Connective Tissue Disease (UCTD), and Rhizomelic Pseudopolyarthritis.

      Experienced in IgG4-Related Disease

      Dr. Melissa Griffith

      Rheumatology
      Experienced in IgG4-Related Disease

      Dr. Melissa Griffith

      Rheumatology

      University Of Colorado Hospital Authority

      1635 Aurora Ct, 
      Aurora, CO 
      720-848-0000
      Languages Spoken:
      English
      See accepted insurances
      Offers Telehealth

      Melissa Griffith is a Rheumatologist in Aurora, Colorado. Dr. Griffith is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. Her top areas of expertise are Scleroderma, Systemic Sclerosis (SSc), Scleroma, and Rheumatoid Arthritis (RA).

      Experienced in IgG4-Related Disease

      Dr. Amanda Piquet

      Neurology
      Experienced in IgG4-Related Disease

      Dr. Amanda Piquet

      Neurology

      University Of Colorado Hospital Authority

      1635 Aurora Ct, 
      Aurora, CO 
      720-848-0000
      Languages Spoken:
      English
      See accepted insurances
      Offers Telehealth

      Amanda Piquet is a Neurologist in Aurora, Colorado. Dr. Piquet is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. Her top areas of expertise are Encephalitis, Stiff Person Syndrome, Anti-NMDA Receptor Encephalitis, and Rasmussen Encephalitis.

      Experienced in IgG4-Related Disease

      Dr. Jason Kolfenbach

      Rheumatology
      Experienced in IgG4-Related Disease

      Dr. Jason Kolfenbach

      Rheumatology

      University Physicians Incorporated

      12605 E 16th Ave, Uchealth Anschutz Medical Campus, 
      Aurora, CO 
      720-848-0000
      Languages Spoken:
      English
      See accepted insurances
      Offers Telehealth

      Jason Kolfenbach is a Rheumatologist in Aurora, Colorado. Dr. Kolfenbach is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. His top areas of expertise are Rheumatoid Arthritis (RA), Granulomatosis with Polyangiitis, Juvenile Temporal Arteritis, and Temporal Arteritis.

      Experienced in IgG4-Related Disease

      Dr. Lance Lassiter

      Oncology
      Experienced in IgG4-Related Disease

      Dr. Lance Lassiter

      Oncology

      San Juan Cancer Center

      600 S 5th St, 
      Montrose, CO 
      970-240-7242
      Languages Spoken:
      English
      See accepted insurances
      Offers Telehealth

      Lance Lassiter is an Oncologist in Montrose, Colorado. Dr. Lassiter is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. His top areas of expertise are Breast Cancer, Paget Disease of the Breast, Paroxysmal Nocturnal Hemoglobinuria (PNH), and Transient Erythroblastopenia of Childhood.

      Experienced in IgG4-Related Disease

      Dr. Matthew Wicklund

      Neurology
      Experienced in IgG4-Related Disease

      Dr. Matthew Wicklund

      Neurology

      University Of Colorado Hospital Authority

      1635 Aurora Ct, 
      Aurora, CO 
      720-848-2080
      Languages Spoken:
      English
      See accepted insurances

      Matthew Wicklund is a Neurologist in Aurora, Colorado. Dr. Wicklund is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. His top areas of expertise are Limb-Girdle Muscular Dystrophy, Inclusion Body Myositis, Limb-Girdle Muscular Dystrophy Type 2I, and Paramyotonia Congenita.

      Experienced in IgG4-Related Disease

      Dr. Jill Carnahan

      Family Medicine
      Experienced in IgG4-Related Disease

      Dr. Jill Carnahan

      Family Medicine

      Office

      400 S McCaslin Blvd Ste 210, 
      Superior, CO 
      303-993-7910
      Languages Spoken:
      English
      See accepted insurances

      Jill Carnahan is a primary care provider, practicing in Family Medicine in Superior, Colorado. Dr. Carnahan is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. Her top areas of expertise are MAGIC Syndrome, Light Chain Deposition Disease (LCDD), IgG4-Related Disease, and Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcus Infections.

      Experienced in IgG4-Related Disease

      Dr. Safieh Golestaneh

      Internal Medicine
      Experienced in IgG4-Related Disease

      Dr. Safieh Golestaneh

      Internal Medicine

      Penrose Hospital

      2222 N Nevada Ave, 
      Colorado Springs, CO 
      719-776-5114
      Languages Spoken:
      English
      See accepted insurances

      Safieh Golestaneh is a primary care provider, practicing in Internal Medicine in Colorado Springs, Colorado. Dr. Golestaneh is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. Her top areas of expertise are Sepsis, Sinus of Valsalva Aneurysm, Heterotaxy Syndrome, and Light Chain Deposition Disease (LCDD).

      Showing 1-20 of 33

      Last Updated: 02/22/2026

      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 in Colorado, US?

      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 in Colorado, US?

      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 in Colorado, US?

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

      IgG4-Related Disease doctor near New York, NY
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      IgG4-Related Disease doctor near Philadelphia, PA
      IgG4-Related Disease doctor near Atlanta, GA
      IgG4-Related Disease doctor near Boston, MA
      IgG4-Related Disease doctor near Dallas, TX
      IgG4-Related Disease doctor near San Jose, CA

      How does MediFind rank IgG4-Related Disease doctors in Colorado, US?

      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 in Colorado, US?

      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 in Colorado, US?

      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 in Colorado, US?

      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 in Colorado, US?

      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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