The 20 Best Thiopurine S-Methyltransferase Deficiency Doctors Near Me

Find the Top Thiopurine S-Methyltransferase Deficiency Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 384 doctor with experience in Thiopurine S-Methyltransferase Deficiency. Of these, 276 are Experienced, 105 are Advanced and 3 are Distinguished.

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384 providers found
    Distinguished in Thiopurine S-Methyltransferase Deficiency
    Distinguished in Thiopurine S-Methyltransferase Deficiency
    Maastricht, LI, NL 

    Luc Derijks practices practicing medicine in Maastricht, Netherlands. Derijks is rated as a Distinguished expert by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. They are also highly rated in 2 other conditions, according to our data. Their clinical expertise encompasses Thiopurine S-Methyltransferase Deficiency, Viral Gastroenteritis, Crohn's Disease, and Hemorrhagic Proctocolitis.

    Distinguished in Thiopurine S-Methyltransferase Deficiency
    Distinguished in Thiopurine S-Methyltransferase Deficiency
    Sittard, LI, NL 

    Piet Hooymans practices practicing medicine in Sittard, Netherlands. Hooymans is rated as a Distinguished expert by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. They are also highly rated in 1 other condition, according to our data. Their clinical expertise encompasses Thiopurine S-Methyltransferase Deficiency, Viral Gastroenteritis, and Colitis.

    Distinguished in Thiopurine S-Methyltransferase Deficiency
    Internal Medicine
    Distinguished in Thiopurine S-Methyltransferase Deficiency
    Internal Medicine

    Gregory A Robertson MD A Professional Medical Corp.

    20311 SW Acacia St Ste 100, 
    Newport Beach, CA 
    Experience:
    44+ years
    Languages Spoken:
    English
    Offers Telehealth

    Gregory Robertson is a primary care provider, practicing in Internal Medicine in Newport Beach, California. He has been practicing medicine for over 44 years. Dr. Robertson is rated as a Distinguished provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Complement Component 2 Deficiency, Hyperphenylalaninemia Due to Dehydratase Deficiency, Thiopurine S-Methyltransferase Deficiency, Primary Immunodeficiency (PID), and Gastrostomy.

    Learn about our expert tiers
    Advanced in Thiopurine S-Methyltransferase Deficiency
    Family Medicine
    Advanced in Thiopurine S-Methyltransferase Deficiency
    Family Medicine

    Office

    115 And Switzgable Dr, 
    Brodheadsville, PA 
    Languages Spoken:
    English

    Frank Romascavage is a primary care provider, practicing in Family Medicine in Brodheadsville, Pennsylvania. Dr. Romascavage is rated as an Advanced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Chronic Cough, Familial Combined Hyperlipidemia, Xanthoma, and Cirrhosis.

    Experienced in Thiopurine S-Methyltransferase Deficiency
    Experienced in Thiopurine S-Methyltransferase Deficiency

    Sunnyvale Center (301)

    301 Old San Francisco Road, 
    Sunnyvale, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Edmund Tai is an Oncologist practicing medicine in Sunnyvale, California. Dr. Tai is rated as an Experienced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. He is also highly rated in 95 other conditions, according to our data. His clinical expertise encompasses Anemia, Vitamin D Deficiency, Iron Deficiency Anemia, and Thrombocytopenia. Dr. Tai is board certified in Medical Oncology - Board Certified and In Medical Oncology And Internal Medicine. Dr. Tai is currently accepting new patients.

    Experienced in Thiopurine S-Methyltransferase Deficiency
    Oncology | Hematology
    Experienced in Thiopurine S-Methyltransferase Deficiency
    Oncology | Hematology

    Novant Health Cancer Institute - New Hanover (Oncology/Hematology)

    2131 South 17th Street, 
    Wilmington, NC 
    Experience:
    24+ years
    Languages Spoken:
    English
    Offers Telehealth

    Andrew Schreiber is a Hematologist and an Oncologist practicing medicine in Wilmington, North Carolina. He has been practicing medicine for over 24 years. Dr. Schreiber is rated as an Experienced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. He is also highly rated in 80 other conditions, according to our data. His clinical expertise encompasses Lung Cancer, Pleuropulmonary Blastoma, Small Cell Lung Cancer (SCLC), and Large-Cell Lung Carcinoma. Dr. Schreiber is board certified in Internal Medicine, Hematology.

    Experienced in Thiopurine S-Methyltransferase Deficiency
    Experienced in Thiopurine S-Methyltransferase Deficiency

    San Mateo Care Center

    50 South San Mateo Drive, Suite 100, 
    San Mateo, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Judy Cheng is a Hematologist practicing medicine in San Mateo, California. Dr. Cheng is rated as an Experienced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. She is also highly rated in 12 other conditions, according to our data. Her clinical expertise encompasses Small Cell Lung Cancer (SCLC), Lung Adenocarcinoma, Lung Nodules, and Non-Small Cell Lung Cancer (NSCLC). Dr. Cheng is board certified in Hematology Medical Oncology. Dr. Cheng is currently accepting new patients.

    Experienced in Thiopurine S-Methyltransferase Deficiency
    Experienced in Thiopurine S-Methyltransferase Deficiency

    Corewell Health Primary Care Royalton

    3950 Hollywood Road, Suite 270, 
    Saint Joseph, MI 
    Experience:
    43+ years
    Languages Spoken:
    English
    Offers Telehealth

    John Gosling is a primary care provider, practicing in Physiatrist in Saint Joseph, Michigan. He has been practicing medicine for over 43 years. Dr. Gosling is rated as an Experienced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Rhizomelic Pseudopolyarthritis, Polymyalgia Rheumatica, Hypertension, and Familial Hypertension. Dr. Gosling is board certified in American Board Of Internal Medicine.

    Experienced in Thiopurine S-Methyltransferase Deficiency
    Hematology Oncology
    Experienced in Thiopurine S-Methyltransferase Deficiency
    Hematology Oncology

    Egil And Pauline Braathen Center/Maroone Cancer Center

    2950 Cleveland Clinic Boulevard, 
    Weston, FL 
    Experience:
    26+ years
    Languages Spoken:
    English
    Offers Telehealth

    Doron Feinsilber is a Hematologist Oncology provider practicing medicine in Weston, Florida. He has been practicing medicine for over 26 years. Dr. Feinsilber is rated as an Experienced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Iron Deficiency Anemia, Childhood Iron Deficiency Anemia, Acute Mountain Sickness, Idiopathic Pulmonary Hemosiderosis, and Thymectomy. Dr. Feinsilber is board certified in American Board Of Internal Medicine, 2024.

    Experienced in Thiopurine S-Methyltransferase Deficiency
    Hematology | Oncology
    Experienced in Thiopurine S-Methyltransferase Deficiency
    Hematology | Oncology
    4525 3rd Avenue Southeast, Suite 200, 
    Lacey, WA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Hui Wang is a Hematologist and an Oncologist practicing medicine in Lacey, Washington. Dr. Wang is rated as an Experienced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. She is also highly rated in 32 other conditions, according to our data. Her clinical expertise encompasses Paget Disease of the Breast, Myelodysplastic Syndrome (MDS), Large-Cell Immunoblastic Lymphoma, Vertebroplasty, and Bone Graft. Dr. Wang is currently accepting new patients.

    Experienced in Thiopurine S-Methyltransferase Deficiency
    Internal Medicine
    Experienced in Thiopurine S-Methyltransferase Deficiency
    Internal Medicine

    Sugarloaf Medical PC

    1300 Peachtree Industrial Blvd, Suite 4201, 
    Suwanee, GA 
    Languages Spoken:
    English
    Offers Telehealth

    Shukri George is a primary care provider, practicing in Internal Medicine in Suwanee, Georgia. Dr. George is rated as an Experienced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. He is also highly rated in 33 other conditions, according to our data. His clinical expertise encompasses Cirrhosis, High Cholesterol, Familial Combined Hyperlipidemia, and Enlarged Liver. Dr. George is board certified in American Board Of Internal Medicine.

    Advanced in Thiopurine S-Methyltransferase Deficiency
    Advanced in Thiopurine S-Methyltransferase Deficiency

    Erasmus MC

    Rotterdam, ZH, NL 

    Christien Van Der Woude practices practicing medicine in Rotterdam, Netherlands. Van Der Woude is rated as an Advanced expert by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. They are also highly rated in 9 other conditions, according to our data. Their clinical expertise encompasses Viral Gastroenteritis, Crohn's Disease, Hemorrhagic Proctocolitis, Endoscopy, and Colonoscopy.

    Advanced in Thiopurine S-Methyltransferase Deficiency
    Family Medicine
    Advanced in Thiopurine S-Methyltransferase Deficiency
    Family Medicine

    Primary Care Associates Of Butler PC

    480 E Jefferson St, 
    Butler, PA 
    Languages Spoken:
    English
    Offers Telehealth

    William Dicuccio is a primary care provider, practicing in Family Medicine in Butler, Pennsylvania. Dr. Dicuccio is rated as an Advanced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. He is also highly rated in 71 other conditions, according to our data. His clinical expertise encompasses Sialic Acid Storage Disease, PMM2-Congenital Disorder of Glycosylation, Phosphomannoisomerase Deficiency, and Sialuria.

    Experienced in Thiopurine S-Methyltransferase Deficiency
    Hematology Oncology | Hematology | Oncology
    Experienced in Thiopurine S-Methyltransferase Deficiency
    Hematology Oncology | Hematology | Oncology

    Baptist Memorial Hospital-Golden Triangle

    2520 5th St N, 
    Columbus, MS 
    Languages Spoken:
    English

    John Whitecar is a Hematologist Oncology specialist and a Hematologist practicing medicine in Columbus, Mississippi. Dr. Whitecar is rated as an Experienced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. He is also highly rated in 48 other conditions, according to our data. His clinical expertise encompasses Hairy Cell Leukemia (HCL), Colorectal Cancer, Familial Colorectal Cancer, Congenital Antithrombin 3 Deficiency, and Bone Marrow Aspiration.

    Experienced in Thiopurine S-Methyltransferase Deficiency
    Internal Medicine
    Experienced in Thiopurine S-Methyltransferase Deficiency
    Internal Medicine

    Blue Ridge Innovative Health - Concierge Medicine

    9695 S Yosemite St Ste 385, 
    Lone Tree, CO 
    Languages Spoken:
    English
    Accepting New Patients

    Jacques Saari is a primary care provider, practicing in Internal Medicine in Lone Tree, Colorado. Dr. Saari is rated as an Experienced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. His clinical expertise encompasses Homocystinuria due to MTHFR Deficiency, Properdin Deficiency, Thiopurine S-Methyltransferase Deficiency, and Complement Component 2 Deficiency. Dr. Saari is currently accepting new patients.

    Experienced in Thiopurine S-Methyltransferase Deficiency
    Internal Medicine
    Experienced in Thiopurine S-Methyltransferase Deficiency
    Internal Medicine

    Paul J Allencherril MD PA

    15035 East Fwy, 
    Channelview, TX 
    Languages Spoken:
    English
    Accepting New Patients

    Paul Allencherril is a primary care provider, practicing in Internal Medicine in Channelview, Texas. Dr. Allencherril is rated as an Experienced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, Gastrostomy, and Endoscopy. Dr. Allencherril is currently accepting new patients.

    Experienced in Thiopurine S-Methyltransferase Deficiency
    Internal Medicine
    Experienced in Thiopurine S-Methyltransferase Deficiency
    Internal Medicine

    WK Bossier Internal Medicine Diagnostic And Treatment Clinic

    2400 Hospital Dr Ste 420, 
    Bossier City, LA 
    Languages Spoken:
    English
    Accepting New Patients

    Jonathan Gray is a primary care provider, practicing in Internal Medicine in Bossier City, Louisiana. Dr. Gray is rated as an Experienced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. His clinical expertise encompasses Type 2 Diabetes (T2D), Hypothyroidism, Sciatica, and Shingles. Dr. Gray is currently accepting new patients.

    Experienced in Thiopurine S-Methyltransferase Deficiency
    Pediatrics | General Practice
    Experienced in Thiopurine S-Methyltransferase Deficiency
    Pediatrics | General Practice

    Office

    4170 W Town Center Blvd Ste 102, 
    Orlando, FL 
    Languages Spoken:
    English
    Offers Telehealth

    Doris Leon is a primary care provider, a Pediatrics specialist and a General Practice provider in Orlando, Florida. Dr. Leon is rated as an Experienced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses High Cholesterol, Cirrhosis, Familial Combined Hyperlipidemia, and Xanthoma.

    Experienced in Thiopurine S-Methyltransferase Deficiency
    Oncology | Hematology
    Experienced in Thiopurine S-Methyltransferase Deficiency
    Oncology | Hematology
    2080 Century Park East, Suite 1005, 
    Los Angeles, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Shahrooz Eshaghian is a Hematologist and an Oncologist practicing medicine in Los Angeles, California. Dr. Eshaghian is rated as an Experienced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. He is also highly rated in 93 other conditions, according to our data. His clinical expertise encompasses Multiple Myeloma, Bone Tumor, Deep Vein Thrombosis, Thrombocytopenia, and Bone Marrow Aspiration. Dr. Eshaghian is currently accepting new patients.

    Experienced in Thiopurine S-Methyltransferase Deficiency
    Internal Medicine
    Experienced in Thiopurine S-Methyltransferase Deficiency
    Internal Medicine

    Manjula Thopcherla MDoffice

    1255 Route 70, Suite 24S, 
    Lakewood, NJ 
    Languages Spoken:
    English, Telugu
    Offers Telehealth

    Manjula Thopcherla is a primary care provider, practicing in Internal Medicine in Lakewood, New Jersey. Dr. Thopcherla is rated as an Experienced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. She is also highly rated in 81 other conditions, according to our data. Her clinical expertise encompasses Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Endoscopy, and Gastrostomy. Dr. Thopcherla is board certified in American Board Of Internal Medicine and American Board Of Internal Medicine.

    Showing 1-20 of 384

    Last Updated: 04/28/2026

    What is the definition of Thiopurine S-Methyltransferase Deficiency?

    Thiopurine S-methyltransferase (TPMT) deficiency is a condition characterized by significantly reduced activity of an enzyme that helps the body process drugs called thiopurines. These drugs, which include 6-thioguanine, 6-mercaptopurine, and azathioprine, inhibit (suppress) the body's immune system. Thiopurine drugs are used to treat some autoimmune disorders, including Crohn's disease and rheumatoid arthritis, which occur when the immune system malfunctions. These drugs are also used to treat several forms of cancer, particularly cancers of blood-forming tissue (leukemias) and cancers of immune system cells (lymphomas). Additionally, thiopurine drugs are used in organ transplant recipients to help prevent the immune system from attacking the transplanted organ.

    When should I see a Thiopurine S-Methyltransferase Deficiency doctor near me?

    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 a Thiopurine S-Methyltransferase Deficiency doctor near me?

    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 does MediFind rank Thiopurine S-Methyltransferase Deficiency doctors near me?

    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 Thiopurine S-Methyltransferase Deficiency doctors near me?

    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 a Thiopurine S-Methyltransferase Deficiency doctor near me?

    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 Thiopurine S-Methyltransferase Deficiency doctor search results page. 

    Why is it important to get a second opinion from a different Thiopurine S-Methyltransferase Deficiency 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 a Thiopurine S-Methyltransferase Deficiency doctor near me?

    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 Thiopurine S-Methyltransferase Deficiency 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 Thiopurine S-Methyltransferase Deficiency 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 Thiopurine S-Methyltransferase Deficiency doctors near me?

    Look for the filter feature on the left side of the Thiopurine S-Methyltransferase Deficiency 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 a Thiopurine S-Methyltransferase Deficiency doctor that offers video calls?

    Look for the filter feature on the left-side of the Thiopurine S-Methyltransferase Deficiency 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 

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