The 20 Best Thiopurine S-Methyltransferase Deficiency Doctors Near Me in Michigan, US

Find the Top Thiopurine S-Methyltransferase Deficiency Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 20 doctor with experience in Thiopurine S-Methyltransferase Deficiency near Michigan, US. Of these, 16 are Experienced and 4 are Advanced.

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20 providers found
    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.

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

    Bio Energy Medical Center PC

    3131 Professional Dr, 
    Ann Arbor, MI 
    Languages Spoken:
    English

    James Neuenschwander is a primary care provider, practicing in Family Medicine in Ann Arbor, Michigan. Dr. Neuenschwander is rated as an Advanced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Leukocyte Adhesion Deficiency Type 1, ICF Syndrome, Primary T Cell Immunodeficiency, and Hyperphenylalaninemia Due to Dehydratase Deficiency.

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

    Maan Jamal M.D.P.C.

    27560 Hoover Rd, 
    Warren, MI 
    Languages Spoken:
    English

    Ghanem Sharabi is a primary care provider, practicing in Internal Medicine in Warren, Michigan. Dr. Sharabi is rated as an Advanced 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 Glossitis, Pernicious Anemia, Necrosis, Gastrostomy, and Endoscopy.

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

    Partners In Internal Medicine PLLC

    2200 Green Rd Ste B, 
    Ann Arbor, MI 
    Languages Spoken:
    English

    Eric Straka is a primary care provider, practicing in Internal Medicine in Ann Arbor, Michigan. Dr. Straka is rated as an Advanced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Cirrhosis, Familial Combined Hyperlipidemia, Xanthoma, and Hypertension.

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

    Office

    245 Barclay Cir Ste 600, 
    Rochester Hills, MI 
    Languages Spoken:
    English

    Teresa Birkmeier is a primary care provider, practicing in Family Medicine in Rochester Hills, Michigan. Dr. Birkmeier is rated as an Advanced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Hereditary Angioedema, Thiopurine S-Methyltransferase Deficiency, Hyperphenylalaninemia Due to Dehydratase Deficiency, and Properdin Deficiency.

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

    Exclusive Physicians, PLLC

    18591 West 10 Mile Road, 
    Southfield, MI 
    Experience:
    28+ years
    Languages Spoken:
    English
    Accepting New Patients

    Susan Tam is a primary care provider, practicing in Family Medicine in Southfield, Michigan. She has been practicing medicine for over 28 years. Dr. Tam is rated as an Experienced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. She is also highly rated in 173 other conditions, according to our data. Her clinical expertise encompasses High Cholesterol, Obesity, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Tam is board certified in American Osteopathic Board Of Family Physicians. Dr. Tam is currently accepting new patients.

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

    William Beauont Hospital

    44250 Dequindre Rd, 
    Sterling Heights, MI 
    Languages Spoken:
    English

    Norah Duncan is a primary care provider, practicing in Family Medicine in Sterling Heights, Michigan. Dr. Duncan is rated as an Experienced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. He is also highly rated in 97 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

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

    Michigan Premier Internists

    29877 Telegraph Road, Suite 200, 
    Southfield, MI 
    Experience:
    20+ years
    Languages Spoken:
    English, Arabic
    Accepting New Patients

    Chadi Almhana is a primary care provider, practicing in Internal Medicine in Southfield, Michigan. He has been practicing medicine for over 20 years. Dr. Almhana is rated as an Experienced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. He is also highly rated in 29 other conditions, according to our data. His clinical expertise encompasses Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, Gastrostomy, and Endoscopy. Dr. Almhana is board certified in American Board Of Internal Medicine. Dr. Almhana is currently accepting new patients.

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

    Longevity Health Institute

    633 South Boulevard East, Suite 2200, 
    Rochester Hills, MI 
    Experience:
    29+ years
    Languages Spoken:
    English, Spanish
    Accepting New Patients
    Offers Telehealth

    James Lewerenz is a primary care provider, practicing in Family Medicine in Rochester Hills, Michigan. He has been practicing medicine for over 29 years. Dr. Lewerenz is rated as an Experienced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. He is also highly rated in 36 other conditions, according to our data. His clinical expertise encompasses Inborn Amino Acid Metabolism Disorder, Anemia, Irritable Bowel Syndrome (IBS), and Insomnia. Dr. Lewerenz is board certified in American Osteopathic Board Of Family Physicians. Dr. Lewerenz is currently accepting new patients.

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

    Arshad Aqil MD PLLC

    1070 E Caro Rd, 
    Caro, MI 
    Languages Spoken:
    English
    Offers Telehealth

    Farrukh Anwar is a primary care provider, practicing in Rheumatologist in Caro, Michigan. Dr. Anwar is rated as an Experienced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses Vascular Dementia, Dementia, Philadelphia-Negative Chronic Myeloid Leukemia, Chronic Myelogenous Leukemia (CML), and Endoscopy.

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

    Bellin Psychiatric Center Inc

    440 Woodward Ave, 
    Iron Mountain, MI 
    Languages Spoken:
    English

    Terence Ryan is a primary care provider, practicing in Family Medicine in Iron Mountain, Michigan. Dr. Ryan is rated as an Experienced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. He is also highly rated in 143 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Familial Hypertension, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Intrauterine Device Insertion.

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

    Office

    756 Pipestone St Ste 2, 
    Benton Harbor, MI 
    Languages Spoken:
    English
    Offers Telehealth

    Don Tynes is a primary care provider, practicing in Internal Medicine in Benton Harbor, Michigan. Dr. Tynes is rated as an Experienced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Abdominal Obesity Metabolic Syndrome, Type B Insulin Resistance Syndrome, Mitochondrial Complex V Deficiency, and Cytochrome C Oxidase Deficiency.

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

    McLaren Health Plan

    G3245 Beecher Rd, 
    Flint, MI 
    Languages Spoken:
    English

    Eli Lotsu is a primary care provider, practicing in Family Medicine in Flint, Michigan. Dr. Lotsu is rated as an Experienced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), Hypertension, and Familial Hypertension.

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

    Epic Health

    911 East 9 Mile Road, 
    Ferndale, MI 
    Experience:
    17+ years
    Languages Spoken:
    English, Arabic
    Accepting New Patients
    Offers Telehealth

    Eyas Kanaan is a primary care provider, practicing in Internal Medicine in Ferndale, Michigan. He has been practicing medicine for over 17 years. Dr. Kanaan is rated as an Experienced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. He is also highly rated in 155 other conditions, according to our data. His clinical expertise encompasses Chronic Obstructive Pulmonary Disease (COPD), Obesity, High Cholesterol, Endoscopy, and Gastrostomy. Dr. Kanaan is board certified in American Board Of Internal Medicine. Dr. Kanaan is currently accepting new patients.

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

    Bruce Cassidy,DO,PC

    28080 Grand River Avenue, Suite 208N, 
    Farmington Hills, MI 
    Experience:
    29+ years
    Languages Spoken:
    English
    Accepting New Patients

    Bruce Cassidy is a primary care provider, practicing in Internal Medicine in Farmington Hills, Michigan. He has been practicing medicine for over 29 years. Dr. Cassidy is rated as an Experienced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. He is also highly rated in 44 other conditions, according to our data. His clinical expertise encompasses Sepsis, End-Stage Renal Disease (ESRD), Colorectal Cancer, Gastrostomy, and Endoscopy. Dr. Cassidy is board certified in American Osteopathic Board Of Internal Medicine. Dr. Cassidy is currently accepting new patients.

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

    Scheurer Primary Care-Elkton

    4970 Railroad St, 
    Elkton, MI 
    Experience:
    17+ years
    Languages Spoken:
    English

    Ross Ramsey is a primary care provider, practicing in Family Medicine in Elkton, Michigan. He has been practicing medicine for over 17 years. Dr. Ramsey is rated as an Experienced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Low Sodium Level, Multiple Myeloma, Smoldering Multiple Myeloma, and Familial Hypertension.

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

    John Frederick Scheerer MD PC

    2190 S State St, 
    Ann Arbor, MI 
    Languages Spoken:
    English
    Offers Telehealth

    John Scheerer is a primary care provider, practicing in Family Medicine in Ann Arbor, Michigan. Dr. Scheerer is rated as an Experienced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Wolcott Rallison Syndrome, Mastoiditis, Secondary Adrenal Insufficiency, and Addison's Disease.

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

    Office

    655 Kenmoor Ave SE Ste 200, 
    Grand Rapids, MI 
    Languages Spoken:
    English

    Michael App is a primary care provider, practicing in Internal Medicine in Grand Rapids, Michigan. Dr. App is rated as an Experienced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. He is also highly rated in 32 other conditions, according to our data. His clinical expertise encompasses Generalized Anxiety Disorder (GAD), Obesity in Children, Seasonal Affective Disorder (SAD), and Apraxia.

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

    Michigan Internal Medicine PC

    3400 Fleckenstein Rd Ste 2, 
    Flint, MI 
    Languages Spoken:
    English

    Kazem Hak is a primary care provider, practicing in Internal Medicine in Flint, Michigan. Dr. Hak is rated as an Experienced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Pacemaker Implantation, and Endoscopy.

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

    Brenda Rogers Grays DO PC

    1134 S Linden Rd Ste 6, 
    Flint, MI 
    Languages Spoken:
    English

    Brenda Rogers is a primary care provider, practicing in Family Medicine in Flint, Michigan. Dr. Rogers is rated as an Experienced provider by MediFind in the treatment of Thiopurine S-Methyltransferase Deficiency. Her clinical expertise encompasses Vitamin D Deficiency, Frozen Shoulder, Chronic Cough, and Glucocorticoid-Remediable Aldosteronism.

    Showing 1-20 of 20

    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 in Michigan, 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 a Thiopurine S-Methyltransferase Deficiency doctor in Michigan, 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 does MediFind rank Thiopurine S-Methyltransferase Deficiency doctors in Michigan, 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 Thiopurine S-Methyltransferase Deficiency doctors in Michigan, 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 a Thiopurine S-Methyltransferase Deficiency doctor in Michigan, 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 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 in Michigan, 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 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 in Michigan, US?

    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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