The 20 Best Vitamin B12 Deficiency Doctors Near Me in naperville, IL

Find the Top Vitamin B12 Deficiency Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 85 doctor with experience in Vitamin B12 Deficiency near naperville, IL. Of these, 78 are Experienced and 7 are Advanced.

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85 providers found
    Advanced in Vitamin B12 Deficiency
    Bariatric Medicine
    Advanced in Vitamin B12 Deficiency
    Bariatric Medicine
    Referral may be required

    Rakesh Marwaha, MD, SC

    1190 S. Naper Blvd, 
    Naperville, IL 
     (2.0 miles away)
    Languages Spoken:
    English, Hindi
    Accepting New Patients
    Offers Telehealth

    Rakesh Marwaha is a Bariatric Medicine provider practicing medicine in Naperville, Illinois. Dr. Marwaha is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Vitamin B12 Deficiency, Vitamin D Deficiency, and Hypertension. Dr. Marwaha is board certified in American Board Of Obesity Medicine, American Board Of Internal Medicine, and American Board Of Internal Medicine . Dr. Marwaha is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Referral may be required

    Advocate Good Samaritan Cancer Center

    3745 Highland Ave 2nd Fl, 
    Downers Grove, IL 
     (7.9 miles away)
    Languages Spoken:
    English, Hindi
    Accepting New Patients
    Offers Telehealth

    Suchin Khanna is a Hematologist and an Oncologist practicing medicine in Downers Grove, Illinois. Dr. Khanna is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Paget Disease of the Breast, Breast Cancer, Lung Cancer, and Pleuropulmonary Blastoma. Dr. Khanna is board certified in American Board Of Internal Medicine, Hematology. Dr. Khanna is currently accepting new patients.

    Advanced in Vitamin B12 Deficiency
    Internal Medicine
    Advanced in Vitamin B12 Deficiency
    Internal Medicine

    Arun Kumar, MD, SC

    931 W 75th St, 
    Naperville, IL 
     (0.6 miles away)
    Languages Spoken:
    English, Georgian, Hindi, Kannada, Spanish, Tamil
    Accepting New Patients

    Arun Kumar is a primary care provider, practicing in Internal Medicine in Naperville, Illinois. Dr. Kumar is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Vitamin B12 Deficiency, Empyema, Vitamin D Deficiency, Gastrostomy, and Hernia Surgery. Dr. Kumar is board certified in American Board Of Internal Medicine. Dr. Kumar is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Vitamin B12 Deficiency
    Holistic Medicine
    Experienced in Vitamin B12 Deficiency
    Holistic Medicine
    Referral may be required

    Office

    95 Trade St Ste 102, 
    Aurora, IL 
     (4.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Jing Li is a Holistic Medicine provider practicing medicine in Aurora, Illinois. Ms. Li is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 54 other conditions, according to our data. Her clinical expertise encompasses Liver Failure, Pancreatic Ductal Adenocarcinoma, Periodontitis, Endoscopy, and Osteotomy. Ms. Li is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Family Medicine
    Experienced in Vitamin B12 Deficiency
    Family Medicine

    Hobson Meadows Family Medicine

    1888 Bay Scott Cir, 
    Naperville, IL 
     (1.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Robert Rozner is a primary care provider, practicing in Family Medicine in Naperville, Illinois. Dr. Rozner is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 28 other conditions, according to our data. His clinical expertise encompasses Childhood Iron Deficiency Anemia, Lung Metastases, Sitosterolemia, and High Cholesterol. Dr. Rozner is board certified in American Board Of Family Medicine. Dr. Rozner is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Internal Medicine

    Premier Internists Of Naperville, Inc.

    620 N. River Rd, Suite 102, 
    Naperville, IL 
     (2.5 miles away)
    Languages Spoken:
    English, Burmese, Hindi, Malayalam
    Accepting New Patients
    Offers Telehealth

    Cicily Jones is a primary care provider, practicing in Internal Medicine in Naperville, Illinois. Dr. Jones is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Lung Metastases, Dementia, Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Jones is board certified in American Board Of Internal Medicine. Dr. Jones is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Sports Medicine
    Experienced in Vitamin B12 Deficiency
    Sports Medicine
    Referral may be required

    Lawrence T Kacmar, MD SC

    3965 75th St., Suite 103, 
    Aurora, IL 
     (3.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Lawrence Kacmar is a Sports Medicine provider practicing medicine in Aurora, Illinois. Dr. Kacmar is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Lysosomal Acid Lipase Deficiency, Tendinitis, Bursitis, Vitamin B12 Deficiency, and Pacemaker Implantation. Dr. Kacmar is board certified in American Board Of Family Medicine. Dr. Kacmar is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Referral may be required
    304 Randall Rd, 
    Geneva, IL 
     (13.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Habib Shaikh is a Hematologist and an Oncologist practicing medicine in Geneva, Illinois. Dr. Shaikh is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Large-Cell Immunoblastic Lymphoma, Non-Hodgkin Lymphoma, Leukocytosis, and Familial Prostate Cancer. Dr. Shaikh is board certified in American Board Of Internal Medicine - Hematology (Certified). Dr. Shaikh is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency
    Referral may be required

    Hematology-Oncology Consultants LTD.

    100 Spalding Dr Ste 110, 
    Naperville, IL 
     (1.0 miles away)
    Languages Spoken:
    English

    Dennis Azuma is a Hematologist practicing medicine in Naperville, Illinois. Dr. Azuma is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Myelodysplastic Syndrome (MDS), Autoimmune Hemolytic Anemia, Polycythemia Vera, Thrombocytopenia, and Bone Marrow Aspiration.

    Experienced in Vitamin B12 Deficiency
    Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Internal Medicine
    640 S Washington St, 268, 
    Naperville, IL 
     (1.1 miles away)
    Languages Spoken:
    English

    James Collins is a primary care provider, practicing in Internal Medicine in Naperville, Illinois. Dr. Collins is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Cystic Fibrosis, Type 2 Diabetes (T2D), Ulcerative Colitis, and Glossitis.

    Experienced in Vitamin B12 Deficiency
    Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Internal Medicine

    Rakesh Marwaha, MD, SC

    1190 S Naper Blvd, 
    Naperville, IL 
     (2.0 miles away)
    Languages Spoken:
    English, Hindi
    Accepting New Patients
    Offers Telehealth

    Rachit Marwaha is a primary care provider, practicing in Internal Medicine in Naperville, Illinois. Dr. Marwaha is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Hypertensive Heart Disease, Familial Combined Hyperlipidemia, Xanthoma, and Cirrhosis. Dr. Marwaha is board certified in American Board Of Internal Medicine. Dr. Marwaha is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Internal Medicine

    Rakesh Marwaha, MD, SC

    1190 S Naper Blvd, 
    Naperville, IL 
     (2.0 miles away)
    Languages Spoken:
    English, Hindi
    Accepting New Patients

    Sandeep Kalra is a primary care provider, practicing in Internal Medicine in Naperville, Illinois. Dr. Kalra is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 68 other conditions, according to our data. His clinical expertise encompasses Anemia, Urinary Tract Infection in Children, Acute Kidney Failure, Gastrostomy, and Endoscopy. Dr. Kalra is board certified in American Board Of Internal Medicine. Dr. Kalra is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Internal Medicine

    Aurora Internal Medicine LTD

    2020 Ogden Ave Ste 400, 
    Aurora, IL 
     (4.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Philip Moore is a primary care provider, practicing in Internal Medicine in Aurora, Illinois. Dr. Moore is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Myelodysplastic Syndrome (MDS), Atypical Pneumonia, Hospital-Acquired Pneumonia, Hip Replacement, and Endoscopy. Dr. Moore is currently accepting new patients.

    Advanced in Vitamin B12 Deficiency
    Internal Medicine
    Advanced in Vitamin B12 Deficiency
    Internal Medicine

    Heartland Primary Care

    215 Remington Blvd, Ste F, 
    Bolingbrook, IL 
     (6.2 miles away)
    Languages Spoken:
    English, Hindi, Telugu
    Accepting New Patients
    Offers Telehealth

    Srilakshmi Vemareddy is a primary care provider, practicing in Internal Medicine in Bolingbrook, Illinois. Dr. Vemareddy is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 16 other conditions, according to our data. Her clinical expertise encompasses Angiodysplasia of the Colon, Lung Metastases, Childhood Iron Deficiency Anemia, Hemorrhoidectomy, and Colonoscopy. Dr. Vemareddy is board certified in American Board Of Family Medicine. Dr. Vemareddy is currently accepting new patients.

    Advanced in Vitamin B12 Deficiency
    Internal Medicine
    Advanced in Vitamin B12 Deficiency
    Internal Medicine

    Rakesh Marwaha, MD, SC

    3800 Highland Ave, 
    Downers Grove, IL 
     (8.8 miles away)
    Languages Spoken:
    English, Hindi, Spanish, Urdu
    Accepting New Patients
    Offers Telehealth

    Naila Khurshid is a primary care provider, practicing in Internal Medicine in Downers Grove, Illinois. Dr. Khurshid is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Vitamin B12 Deficiency, Low Blood Pressure, Transcobalamin Deficiency, Hip Replacement, and Endoscopy. Dr. Khurshid is board certified in American Board Of Internal Medicine. Dr. Khurshid is currently accepting new patients.

    Advanced in Vitamin B12 Deficiency
    Internal Medicine
    Advanced in Vitamin B12 Deficiency
    Internal Medicine

    Soumya Health, LLC

    2340 S Highland Ave, 
    Lombard, IL 
     (9.7 miles away)
    Languages Spoken:
    English, Gujarati , Hindi, Kannada, Telugu
    Accepting New Patients
    Offers Telehealth

    Rathna Yallapragada is a primary care provider, practicing in Internal Medicine in Lombard, Illinois. Dr. Yallapragada is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses End-Stage Renal Disease (ESRD), Vitamin D Deficiency, Vitamin B12 Deficiency, Gastrostomy, and Endoscopy. Dr. Yallapragada is board certified in American Board Of Internal Medicine. Dr. Yallapragada is currently accepting new patients.

    Advanced in Vitamin B12 Deficiency
    Family Medicine
    Advanced in Vitamin B12 Deficiency
    Family Medicine

    Adventist Bolingbrook Hospital

    500 Remington Blvd, 
    Bolingbrook, IL 
     (6.0 miles away)
    Languages Spoken:
    English, Hindi, Telugu
    Accepting New Patients
    Offers Telehealth

    Sarada Vemareddy is a primary care provider, practicing in Family Medicine in Bolingbrook, Illinois. Dr. Vemareddy is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Poliomyelitis, Vitamin B12 Deficiency, Maturity Onset Diabetes of the Young, Bone Marrow Aspiration, and Endoscopy. Dr. Vemareddy is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Oncology | Hematology
    Experienced in Vitamin B12 Deficiency
    Oncology | Hematology
    Referral may be required
    430 Warrenville Road, 
    Lisle, IL 
     (6.3 miles away)
    Languages Spoken:
    English, Urdu
    Accepting New Patients
    Offers Telehealth

    Nasir Shahab is an Oncologist and a Hematologist practicing medicine in Lisle, Illinois. Dr. Shahab is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 30 other conditions, according to our data. His clinical expertise encompasses Small Cell Lung Cancer (SCLC), Pleuropulmonary Blastoma, Lung Cancer, and Familial Colorectal Cancer. Dr. Shahab is board certified in Hematology — Hematology, Oncology — Oncology, American Board Of Internal Medicine, Oncology, and Hematology. Dr. Shahab is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Oncology | Hematology
    Experienced in Vitamin B12 Deficiency
    Oncology | Hematology
    Referral may be required

    Duly Health And Care

    430 Warrenville Rd., Suite 300, 
    Lisle, IL 
     (6.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Brian Myre is an Oncologist and a Hematologist practicing medicine in Lisle, Illinois. Dr. Myre is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 50 other conditions, according to our data. His clinical expertise encompasses Small Cell Lung Cancer (SCLC), Lung Adenocarcinoma, EGFR Positive Lung Cancer, ALK-Positive Non-Small Cell Lung Cancer, and Orchiectomy. Dr. Myre is board certified in Hematology — Hematology, Oncology — Oncology, American Board Of Internal Medicine, Oncology, and Hematology. Dr. Myre is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Internal Medicine

    Personalized Physicians Group, Ltd.

    7 Blanchard Circle, Suite 106, 
    Wheaton, IL 
     (6.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Scott Kolbaba is a primary care provider, practicing in Internal Medicine in Wheaton, Illinois. Dr. Kolbaba is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Polycythemia Vera, Hypothyroidism, Obesity in Children, Endoscopy, and Bone Graft. Dr. Kolbaba is board certified in American Board Of Internal Medicine.

    Showing 1-20 of 85

    Last Updated: 09/26/2026

    When should I see a Vitamin B12 Deficiency doctor near naperville, 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 B12 Deficiency doctor near naperville, 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 B12 Deficiency doctors near naperville, 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 B12 Deficiency doctors near naperville, 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 B12 Deficiency doctor near naperville, 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 B12 Deficiency doctor search results page. 

    Why is it important to get a second opinion from a different Vitamin B12 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 B12 Deficiency doctor near naperville, 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 B12 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 B12 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 B12 Deficiency doctors near naperville, IL?

    Look for the filter feature on the left side of the Vitamin B12 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 B12 Deficiency doctor that offers video calls?

    Look for the filter feature on the left-side of the Vitamin B12 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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