The 20 Best Vitamin D Deficiency Doctors Near Me in St Charles, IL

Find the Top Vitamin D Deficiency Experts and Specialists

The 20 Best Vitamin D Deficiency Doctors near St Charles, IL

Last Updated: 02/22/2026

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MediFind found 285 doctor with experience in Vitamin D Deficiency near St Charles, IL. Of these, 248 are Experienced, 36 are Advanced and 1 are Distinguished.

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285 providers found
    Perry J. Menini
    Experienced in Vitamin D Deficiency
    Hematology | Oncology
    Experienced in Vitamin D Deficiency
    Hematology | Oncology
    304 Randall Rd, 
    Geneva, IL 
     (2.4 miles away)
    Experience:
    26+ years
    Languages Spoken:
    English
    Offers Telehealth

    Perry Menini is a Hematologist and an Oncologist in Geneva, Illinois. Dr. Menini has been practicing medicine for over 26 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Paget Disease of the Breast, Breast Cancer, Angiosarcoma, and Inflammatory Breast Cancer.

    Raheemuddin M. Nazeer
    Experienced in Vitamin D Deficiency
    Experienced in Vitamin D Deficiency

    Fox Valley Orthopedic Associates, SC

    2535 Soderquist Ct, 
    Geneva, IL 
     (3.0 miles away)
    Languages Spoken:
    English, Urdu

    Raheemuddin Nazeer is a Rheumatologist in Geneva, Illinois. Dr. Nazeer is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Microscopic Polyangiitis, Postmenopausal Osteoporosis, Osteoporosis, and Rheumatoid Arthritis (RA).

    Steven J. Bielski
    Experienced in Vitamin D Deficiency
    Endocrinology
    Experienced in Vitamin D Deficiency
    Endocrinology
    302 Randall Rd Ste 304, 
    Geneva, IL 
     (3.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Steven Bielski is an Endocrinologist in Geneva, Illinois. Dr. Bielski is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Obesity in Children, Hypothyroidism, Maturity Onset Diabetes of the Young, and Anaplastic Thyroid Cancer.

    Learn about our expert tiers
    Frank K. Tran
    Experienced in Vitamin D Deficiency
    Family Medicine
    Experienced in Vitamin D Deficiency
    Family Medicine

    Advocate Medical Group

    1054 Norwood Ln, 
    Bartlett, IL 
     (6.9 miles away)
    Languages Spoken:
    English

    Frank Tran is a primary care provider, practicing in Family Medicine in Bartlett, Illinois. Dr. Tran is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Type 2 Diabetes (T2D), Familial Hypertension, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

    Experienced in Vitamin D Deficiency
    Endocrinology
    Experienced in Vitamin D Deficiency
    Endocrinology
    302 Randall Rd Ste 304, 
    Geneva, IL 
     (3.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Zeenat Parveen is an Endocrinologist in Geneva, Illinois. Dr. Parveen is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Rathke Cleft Cyst, Empty Sella Syndrome, Isolated ACTH Deficiency, and Pituitary Apoplexy.

    Peter D. Cladis
    Advanced in Vitamin D Deficiency
    Family Medicine
    Advanced in Vitamin D Deficiency
    Family Medicine
    2425 Fargo Blvd, 
    Geneva, IL 
     (3.1 miles away)
    Experience:
    46+ years
    Languages Spoken:
    English
    Offers Telehealth

    Peter Cladis is a primary care provider, practicing in Family Medicine in Geneva, Illinois. Dr. Cladis has been practicing medicine for over 46 years and is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Waldenstrom Macroglobulinemia, Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), Muscle Invasive Bladder Cancer, and Endoscopy.

    William C. Bayer
    Advanced in Vitamin D Deficiency
    Endocrinology
    Advanced in Vitamin D Deficiency
    Endocrinology
    233 S Gary Ave, 
    Bloomingdale, IL 
     (10.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    William Bayer is an Endocrinologist in Bloomingdale, Illinois. Dr. Bayer is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Hypothyroidism, Obesity in Children, Anaplastic Thyroid Cancer, and Thyroid Cancer.

    Jayesh V. Thakkar
    Experienced in Vitamin D Deficiency
    Family Medicine
    Experienced in Vitamin D Deficiency
    Family Medicine
    2015 Dean St Ste 2, 
    St Charles, IL 
     (1.2 miles away)
    Experience:
    31+ years
    Languages Spoken:
    English
    Offers Telehealth

    Jayesh Thakkar is a primary care provider, practicing in Family Medicine in St Charles, Illinois. Dr. Thakkar has been practicing medicine for over 31 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Endoscopy, and Bone Graft.

    Mark R. Bednard
    Experienced in Vitamin D Deficiency
    Internal Medicine
    Experienced in Vitamin D Deficiency
    Internal Medicine
    2900 Foxfield Rd Ste 307, 
    St Charles, IL 
     (1.2 miles away)
    Experience:
    33+ years
    Languages Spoken:
    English
    Offers Telehealth

    Mark Bednard is a primary care provider, practicing in Internal Medicine in St Charles, Illinois. Dr. Bednard has been practicing medicine for over 33 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Obesity in Children, Hypothyroidism, Chronic Kidney Disease, and End-Stage Renal Disease (ESRD).

    Scott D. Mcnaughton
    Experienced in Vitamin D Deficiency
    Internal Medicine
    Experienced in Vitamin D Deficiency
    Internal Medicine
    2900 Foxfield Rd Ste 307, 
    St Charles, IL 
     (1.2 miles away)
    Experience:
    35+ years
    Languages Spoken:
    English
    Offers Telehealth

    Scott Mcnaughton is a primary care provider, practicing in Internal Medicine in St Charles, Illinois. Dr. Mcnaughton has been practicing medicine for over 35 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Anemia, Hypothyroidism, Multiple Myeloma, and Chronic Cough.

    Michael Rivera
    Experienced in Vitamin D Deficiency
    Family Medicine
    Experienced in Vitamin D Deficiency
    Family Medicine
    3310 W. Main St., Suite 100, 
    St. Charles, IL 
     (2.5 miles away)
    Experience:
    28+ years
    Languages Spoken:
    English
    Offers Telehealth

    Treat patients as individuals with respect and compassion, encourage wellness and prevention and provide patients with knowledge in managing their health. Dr. Rivera is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Gigantism, Sotos Syndrome, Acromegaly, Hernia Surgery, and Endoscopy.

    Viquar M. Khan
    Experienced in Vitamin D Deficiency
    Family Medicine
    Experienced in Vitamin D Deficiency
    Family Medicine
    351 Delnor Dr Ste 100, 
    Geneva, IL 
     (3.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Viquar Khan is a primary care provider, practicing in Family Medicine in Geneva, Illinois. Dr. Khan is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Umbilical Hernia, Dehydration, Type 2 Diabetes (T2D), Hernia Surgery, and Ureteroscopy.

    Thomas E. Eng
    Experienced in Vitamin D Deficiency
    Family Medicine
    Experienced in Vitamin D Deficiency
    Family Medicine
    351 Delnor Dr Ste 100, 
    Geneva, IL 
     (3.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Thomas Eng is a primary care provider, practicing in Family Medicine in Geneva, Illinois. Dr. Eng is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Idiopathic Pulmonary Fibrosis, Hypersensitivity Pneumonitis, Pulmonary Fibrosis, and Glucocorticoid-Remediable Aldosteronism.

    Robert J. Calabria
    Experienced in Vitamin D Deficiency
    Family Medicine
    Experienced in Vitamin D Deficiency
    Family Medicine
    302 Randall Rd Ste 306, 
    Geneva, IL 
     (3.0 miles away)
    Experience:
    29+ years
    Languages Spoken:
    English
    Offers Telehealth

    Robert Calabria is a primary care provider, practicing in Family Medicine in Geneva, Illinois. Dr. Calabria has been practicing medicine for over 29 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Breast Cancer, Hypertension, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.

    Thomas R. Hazel
    Experienced in Vitamin D Deficiency
    Family Medicine
    Experienced in Vitamin D Deficiency
    Family Medicine
    2425 Fargo Blvd, 
    Geneva, IL 
     (3.1 miles away)
    Experience:
    39+ years
    Languages Spoken:
    English
    Offers Telehealth

    Thomas Hazel is a primary care provider, practicing in Family Medicine in Geneva, Illinois. Dr. Hazel has been practicing medicine for over 39 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Sitosterolemia, Lung Cancer, High Cholesterol, and Familial Hypertension.

    Joseph M. Neubauer
    Experienced in Vitamin D Deficiency
    Family Medicine
    Experienced in Vitamin D Deficiency
    Family Medicine
    2425 Fargo Blvd, 
    Geneva, IL 
     (3.1 miles away)
    Experience:
    42+ years
    Languages Spoken:
    English
    Offers Telehealth

    Joseph Neubauer is a primary care provider, practicing in Family Medicine in Geneva, Illinois. Dr. Neubauer has been practicing medicine for over 42 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Chronic Lymphocytic Leukemia (CLL), Sitosterolemia, Crohn's Disease, and High Cholesterol.

    Reena Shah
    Experienced in Vitamin D Deficiency
    Internal Medicine
    Experienced in Vitamin D Deficiency
    Internal Medicine

    Advocate Medical Group Internal Medicine

    2500 W Fabyan Pkwy, 
    Batavia, IL 
     (4.1 miles away)
    Languages Spoken:
    English, Gujarati 
    Offers Telehealth

    Reena Shah is a primary care provider, practicing in Internal Medicine in Batavia, Illinois. Dr. Shah is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Melorheostosis, Melorheostosis with Osteopoikilosis, Osteopenia, Hypertension, and Endoscopy.

    Elisa Y. Rhew
    Experienced in Vitamin D Deficiency
    Rheumatology
    Experienced in Vitamin D Deficiency
    Rheumatology
    25 N. Winfield Road, Suite 300, 
    Winfield, IL 
     (8.3 miles away)
    Experience:
    28+ years
    Languages Spoken:
    English
    Offers Telehealth

    I create a partnership with my patients to provide optimal treatment of rheumatic diseases. Dr. Rhew is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Rheumatoid Arthritis (RA), Undifferentiated Connective Tissue Disease (UCTD), Raynaud Phenomenon, and Gout.

    Georgios Christopoulos
    Experienced in Vitamin D Deficiency
    Cardiac Electrophysiology
    Experienced in Vitamin D Deficiency
    Cardiac Electrophysiology
    25 N Winfield Rd Ste 500, 
    Winfield, IL 
     (8.3 miles away)
    Experience:
    13+ years
    Languages Spoken:
    English
    Offers Telehealth

    Georgios Christopoulos is a Cardiac Electrophysiologist in Winfield, Illinois. Dr. Christopoulos has been practicing medicine for over 13 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Ventricular Fibrillation, Poland Syndrome, Atrial Fibrillation, Percutaneous Coronary Intervention (PCI), and Heart Bypass Surgery.

    Ruchi Sood
    Experienced in Vitamin D Deficiency
    Nephrology
    Experienced in Vitamin D Deficiency
    Nephrology

    Kidney Care Center Elgin, LLC

    1670 Capital St Unit 900, 
    Elgin, IL 
     (8.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Ruchi Sood is a Nephrologist in Elgin, Illinois. Dr. Sood is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Acute Kidney Failure, Low Sodium Level, Chronic Kidney Disease, and Necrosis.

    Showing 1-20 of 285

    Last Updated: 02/22/2026

    What is the definition of Vitamin D Deficiency?

    Vitamin D deficiency is when the body does not have enough vitamin D. Vitamin D is necessary for absorbing calcium and healthy bones.

    When should I see a Vitamin D Deficiency doctor near St Charles, IL?

    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 Vitamin D Deficiency doctor near St Charles, IL?

    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 Vitamin D Deficiency doctors near St Charles, IL?

    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 Vitamin D Deficiency doctors near St Charles, IL?

    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 Vitamin D Deficiency doctor near St Charles, IL?

    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 Vitamin D Deficiency doctor search results page. 

    Why is it important to get a second opinion from a different Vitamin D 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 Vitamin D Deficiency doctor near St Charles, IL?

    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 Vitamin D 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 Vitamin D 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 Vitamin D Deficiency doctors near St Charles, IL?

    Look for the filter feature on the left side of the Vitamin D 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 Vitamin D Deficiency doctor that offers video calls?

    Look for the filter feature on the left-side of the Vitamin D 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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