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

Find the Top Vitamin B12 Deficiency Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 248 doctor with experience in Vitamin B12 Deficiency near Oak Park, IL. Of these, 230 are Experienced and 18 are Advanced.

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248 providers found
    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Associates In Nephrology, SC

    6 N 9th Ave, 
    Melrose Park, IL 
     (3.4 miles away)
    Languages Spoken:
    English, Greek

    Constantine Delis is a Nephrologist practicing medicine in Melrose Park, Illinois. Dr. Delis is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Acute Kidney Failure, End-Stage Renal Disease (ESRD), Chronic Kidney Disease, and Nephrosclerosis. Dr. Delis is board certified in American Board Of Internal Medicine, Nephrology.

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

    Midtown Physicians, S.C.

    675 W. North Ave., Suite 303, 
    Melrose Park, IL 
     (3.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Dilip Patel is a primary care provider, practicing in Internal Medicine in Melrose Park, Illinois. Dr. Patel is rated as an Experienced 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 Anemia, Atherosclerosis, Coronary Heart Disease, Endoscopy, and Gastrostomy. Dr. Patel is board certified in American Board Of Internal Medicine.

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

    Health Direction Medical Center, SC

    4959 W Belmont Ave, 
    Chicago, IL 
     (4.3 miles away)
    Languages Spoken:
    English, French, Spanish
    Offers Telehealth

    Esmilkrys Ramirez is an Internal Medicine provider practicing medicine in Chicago, Illinois. Dr. Ramirez is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Vitamin D Deficiency, Vitamin B12 Deficiency, and Seasonal Affective Disorder (SAD). Dr. Ramirez is board certified in American Board Of Internal Medicine.

    Learn about our expert tiers
    Experienced in Vitamin B12 Deficiency
    Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Internal Medicine

    Advocate Medical Group Internal Medicine

    2535 S Martin Luther King Dr, 
    Chicago, IL 
     (8.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Sivakami Thayu is a primary care provider, practicing in Internal Medicine in Chicago, Illinois. Dr. Thayu is rated as an Experienced 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 High Cholesterol, Sitosterolemia, Macroamylasemia, and Dubin-Johnson Syndrome. Dr. Thayu is board certified in American Board Of Internal Medicine.

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

    Advocate Memory Center

    1875 Dempster St, Ste 520, 
    Park Ridge, IL 
     (11.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Anthony Mccormack is a primary care provider, practicing in Family Medicine in Park Ridge, Illinois. Dr. Mccormack is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Dementia, Familial Hypertension, Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Mccormack is board certified in American Board Of Family Medicine.

    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology

    Advocate Christ Outpatient Pavilion Oncology

    4440 W 95th St 8th Fl, 
    Oak Lawn, IL 
     (11.6 miles away)
    Languages Spoken:
    English, Hindi, Urdu

    Riaz Elahi is a Hematologist and an Oncologist practicing medicine in Oak Lawn, Illinois. Dr. Elahi 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 Multiple Myeloma, Breast Cancer, Paget Disease of the Breast, and Pleuropulmonary Blastoma. Dr. Elahi is board certified in American Board Of Internal Medicine, Hematology.

    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology

    Advocate Good Samaritan Cancer Center

    3745 Highland Ave 2nd Fl, 
    Downers Grove, IL 
     (13.4 miles away)
    Languages Spoken:
    English
    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 3 other conditions, according to our data. His clinical expertise encompasses Paget Disease of the Breast, Breast Cancer, Pleuropulmonary Blastoma, and Childhood Iron Deficiency Anemia. Dr. Khanna is board certified in American Board Of Internal Medicine, Hematology.

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

    Gottlieb Memorial Hospital

    701 W North Ave, 
    Melrose Park, IL 
     (3.9 miles away)
    Languages Spoken:
    English

    Rajani Kosuri is an Internal Medicine provider practicing medicine in Melrose Park, Illinois. Dr. Kosuri is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 9 other conditions, according to our data. Her clinical expertise encompasses Acute Kidney Failure, Necrosis, End-Stage Renal Disease (ESRD), Gastrostomy, and Endoscopy.

    Experienced in Vitamin B12 Deficiency
    Cardiology
    Experienced in Vitamin B12 Deficiency
    Cardiology

    Dev. Medical Associates SC

    5600 W Addison St Ste 400, 
    Chicago,, IL 
     (4.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Shirish Shah is a Cardiologist practicing medicine in Chicago,, Illinois. Dr. Shah is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 31 other conditions, according to our data. His clinical expertise encompasses Familial Neurocardiogenic Syncope, Low Blood Pressure, Glucocorticoid-Remediable Aldosteronism, Prostatectomy, and Colonoscopy.

    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    4445 W Irving Park Rd Ste 400, 
    Chicago, IL 
     (4.9 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Offers Telehealth

    Rozina Chowdhery is a Hematologist and an Oncologist practicing medicine in Chicago, Illinois. She has been practicing medicine for over 17 years. Dr. Chowdhery is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 18 other conditions, according to our data. Her clinical expertise encompasses Colorectal Cancer, Familial Colorectal Cancer, Breast Cancer, and Paget Disease of the Breast. Dr. Chowdhery is board certified in American Board Of Internal Medicine - Hematology (Certified).

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

    Family Medical Care, Ltd.

    965 Lake St., 
    Oak Park, IL 
     (1.1 miles away)
    Languages Spoken:
    English

    Nancy Gryniewicz is a primary care provider, practicing in Family Medicine in Oak Park, Illinois. Dr. Gryniewicz is rated as an Experienced 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 Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and Type 2 Diabetes (T2D). Dr. Gryniewicz is board certified in American Board Of Family Medicine.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Office

    1 Erie Ct Ste 4120, 
    Oak Park, IL 
     (1.1 miles away)
    Languages Spoken:
    English

    David Kracker is a Nephrologist practicing medicine in Oak Park, Illinois. Dr. Kracker is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Nephrosclerosis, and Renovascular Hypertension.

    Experienced in Vitamin B12 Deficiency
    Nephrology
    Experienced in Vitamin B12 Deficiency
    Nephrology

    Nephrology Associates Of Northern Illinois And Indiana Berwyn Office

    6948 W Windsor Ave, 
    Berwyn, IL 
     (3.4 miles away)
    Languages Spoken:
    English

    Rajiv Gandhi is a Nephrologist practicing medicine in Berwyn, Illinois. Dr. Gandhi 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 Nephrosclerosis, Renovascular Hypertension, End-Stage Renal Disease (ESRD), and Chronic Kidney Disease.

    Experienced in Vitamin B12 Deficiency
    Anesthesiology | Pediatrics
    Experienced in Vitamin B12 Deficiency
    Anesthesiology | Pediatrics

    Midtown Physicians, S.C.

    675 W North Ave, Ste 303, 
    Melrose Park, IL 
     (3.7 miles away)
    Languages Spoken:
    English, Mandarin

    Yili Guo is a primary care provider, a Pediatrics specialist and an Anesthesiologist in Melrose Park, Illinois. Dr. Guo is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Anemia, Prekallikrein Deficiency, Congenital Anti-Plasmin Deficiency, Endoscopy, and Gastrostomy. Dr. Guo is board certified in American Board Of Anesthesiology.

    Experienced in Vitamin B12 Deficiency
    Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Internal Medicine
    4445 W Irving Park Rd Ste 320, 
    Chicago, IL 
     (4.9 miles away)
    Experience:
    32+ years
    Languages Spoken:
    English
    Offers Telehealth

    Leonardo Vargas is a primary care provider, practicing in Internal Medicine in Chicago, Illinois. He has been practicing medicine for over 32 years. Dr. Vargas is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Maturity Onset Diabetes of the Young, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension. Dr. Vargas is board certified in American Board Of Internal Medicine - Internal Medicine (Certified).

    Advanced in Vitamin B12 Deficiency
    Hematology | Oncology
    Advanced in Vitamin B12 Deficiency
    Hematology | Oncology

    Illinois Cancer Specialists

    7447 W Talcott Ave, 
    Chicago, IL 
     (7.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Irfan Mirza is a Hematologist and an Oncologist practicing medicine in Chicago, Illinois. Dr. Mirza is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 42 other conditions, according to our data. His clinical expertise encompasses Lung Cancer, Pleuropulmonary Blastoma, Severe Congenital Neutropenia, and Familial Colorectal Cancer. Dr. Mirza is board certified in American Board Of Internal Medicine, Medical Oncology.

    Advanced in Vitamin B12 Deficiency
    Hematology | Oncology
    Advanced in Vitamin B12 Deficiency
    Hematology | Oncology

    Illinois Cancer Specialists

    7447 W Talcott Ave, 
    Chicago, IL 
     (7.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Mark Karides is a Hematologist and an Oncologist practicing medicine in Chicago, Illinois. Dr. Karides is rated as an Advanced 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 Severe Congenital Neutropenia, Chronic Familial Neutropenia, Agranulocytosis, Familial Colorectal Cancer, and Bone Marrow Aspiration. Dr. Karides is board certified in American Board Of Internal Medicine, Medical Oncology.

    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology

    Illinois Cancer Specialists

    7447 W Talcott Ave, 
    Chicago, IL 
     (7.7 miles away)
    Languages Spoken:
    English, Romanian
    Offers Telehealth

    Bety Ciobanu is a Hematologist and an Oncologist practicing medicine in Chicago, Illinois. Dr. Ciobanu is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 28 other conditions, according to our data. Her clinical expertise encompasses Paget Disease of the Breast, Breast Cancer, Agranulocytosis, and Chronic Familial Neutropenia. Dr. Ciobanu is board certified in American Board Of Internal Medicine, Hematology.

    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology

    Illinois Cancer Specialists

    7447 W Talcott Ave, 
    Chicago, IL 
     (7.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Lisa Baddi is a Hematologist and an Oncologist practicing medicine in Chicago, Illinois. Dr. Baddi is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 15 other conditions, according to our data. Her clinical expertise encompasses Paget Disease of the Breast, Breast Cancer, Severe Congenital Neutropenia, and Pleuropulmonary Blastoma. Dr. Baddi is board certified in American Board Of Internal Medicine, Medical Oncology.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Endeavor Health Medical Group

    5140 N. California Ave., Suite 600-GMP, 
    Chicago, IL 
     (7.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Javed Imam, MD, a medical oncologist at Endeavor Health, provides expert care for individuals with a wide range of cancers and blood disorders. Fluent in Bengali, English, Hindi and medical Spanish, he aims to make complex diagnoses more understandable through clear communication and compassionate care. His clinical interests include anemia, blood disorders, chemotherapy and various solid and hematologic cancers. Dr. Imam brings decades of experience to support patients through their treatment journeys. Dr. Imam is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 40 other conditions, according to our data. His clinical expertise encompasses Familial Colorectal Cancer, Colorectal Cancer, Gastroesophageal Junction Cancer, and Inflammatory Breast Cancer. Dr. Imam is board certified in American Board Of Internal Medicine.

    Showing 1-20 of 248

    Last Updated: 04/28/2026

    When should I see a Vitamin B12 Deficiency doctor near Oak Park, 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 Oak Park, 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 Oak Park, 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 Oak Park, 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 Oak Park, 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 Oak Park, 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 Oak Park, 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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