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    Last Updated: 02/22/2026

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    MediFind found 162 doctor with experience in Vitamin B12 Deficiency near Chicago, IL. Of these, 154 are Experienced and 8 are Advanced.

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    LocationClose
    162 providers found
      Sivakami Thayu
      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 
       (2.7 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. Her top areas of expertise are High Cholesterol, Sitosterolemia, Macroamylasemia, and Dubin-Johnson Syndrome.

      Mark Vexelman
      Experienced in Vitamin B12 Deficiency
      Internal Medicine | Geriatrics
      Experienced in Vitamin B12 Deficiency
      Internal Medicine | Geriatrics

      Lake Shore Adult And Geriatric Medicine

      Chicago, IL 
       (1.3 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Mark Vexelman is a primary care provider, practicing in Internal Medicine and Geriatrics in Chicago, Illinois. Dr. Vexelman is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Hemosiderosis, Multiple Myeloma, Peptic Ulcer, Gastrostomy, and Bone Graft.

      Kireet Agrawal
      Experienced in Vitamin B12 Deficiency
      Experienced in Vitamin B12 Deficiency

      Kireet Agrawal, Inc

      Chicago, IL 
       (4.0 miles away)
      Languages Spoken:
      English

      Kireet Agrawal is a Nephrologist in Chicago, Illinois. Dr. Agrawal is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Chronic Kidney Disease, End-Stage Renal Disease (ESRD), Vitamin B12 Deficiency, Acute Kidney Failure, and Endoscopy.

      Learn about our expert tiers
      Riaz Elahi
      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 
       (13.3 miles away)
      Experience:
      44+ years
      Languages Spoken:
      English, Hindi, Urdu

      Riaz Elahi is a Hematologist and an Oncologist in Oak Lawn, Illinois. Dr. Elahi has been practicing medicine for over 44 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Multiple Myeloma, Breast Cancer, Paget Disease of the Breast, and Pleuropulmonary Blastoma.

      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      675 N St Clair St Ste 18-200, Galter Pavilion, 
      Chicago, IL 
       (1.3 miles away)
      Experience:
      33+ years
      Languages Spoken:
      English
      Offers Telehealth

      Rachel Amdur is a primary care provider, practicing in Internal Medicine in Chicago, Illinois. Dr. Amdur has been practicing medicine for over 33 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Breast Cancer, Chronic Kidney Disease, Maturity Onset Diabetes of the Young, and Type 2 Diabetes (T2D).

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

      Allgeier Chiropractic LTD

      47 W Polk St Ste G1, 
      Chicago, IL 
       (1.3 miles away)
      Languages Spoken:
      English

      Cory Chen is a primary care provider, practicing in Internal Medicine in Chicago, Illinois. Dr. Chen is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are High Cholesterol, Familial Hypertension, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

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

      Yukhol Lertsburapa M.D. S.C.

      2222 W Division St Ste 260, 
      Chicago, IL 
       (2.9 miles away)
      Languages Spoken:
      English

      Ayman Jabr is a primary care provider, practicing in Family Medicine in Chicago, Illinois. Dr. Jabr is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are End-Stage Renal Disease (ESRD), Breast Cancer, Glucocorticoid-Remediable Aldosteronism, Gastrostomy, and Endoscopy.

      Harold H. Jaimes
      Advanced in Vitamin B12 Deficiency
      Internal Medicine
      Advanced in Vitamin B12 Deficiency
      Internal Medicine

      Harold H Jaimes, MD, PC

      6439 S Pulaski Rd, 
      Chicago, IL 
       (8.5 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Harold Jaimes is a primary care provider, practicing in Internal Medicine in Chicago, Illinois. Dr. Jaimes is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Varicose Veins, Vitamin D Deficiency, Idiopathic Edema, and Vitamin B12 Deficiency.

      Robert J. Havey
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      259 E Erie St Ste 2350, Lavin Family Pavilion, 
      Chicago, IL 
       (0.9 miles away)
      Experience:
      46+ years
      Languages Spoken:
      English
      Offers Telehealth

      Robert Havey is a primary care provider, practicing in Internal Medicine in Chicago, Illinois. Dr. Havey has been practicing medicine for over 46 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Hyperlipidemia Type 3.

      Hiten D. Patel
      Experienced in Vitamin B12 Deficiency
      Experienced in Vitamin B12 Deficiency
      675 N St Clair St Ste 20-150, Galter Pavilion, 
      Chicago, IL 
       (1.3 miles away)
      Experience:
      12+ years
      Languages Spoken:
      English
      Offers Telehealth

      Hiten Patel is an Oncologist in Chicago, Illinois. Dr. Patel has been practicing medicine for over 12 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Renal Cell Carcinoma (RCC), Prostate Cancer, Testicular Cancer, Nephrectomy, and Prostatectomy.

      Nic I. Hristea
      Experienced in Vitamin B12 Deficiency
      Experienced in Vitamin B12 Deficiency

      Associates In Nephrology, SC

      Chicago, IL 
       (5.0 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Nic Hristea is a Nephrologist in Chicago, Illinois. Dr. Hristea is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Renovascular Hypertension, Nephrosclerosis, End-Stage Renal Disease (ESRD), and Acute Kidney Failure.

      Wasay Humayun
      Experienced in Vitamin B12 Deficiency
      Nephrology | Family Medicine | Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Nephrology | Family Medicine | Internal Medicine

      Humayun's, SC

      2740 W. Foster Ave., Suite 105, 
      Chicago, IL 
       (7.3 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Wasay Humayun is an Internal Medicine specialist and a Nephrologist in Chicago, Illinois. Dr. Humayun is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Acute Kidney Failure, End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Low Sodium Level, and Endoscopy.

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

      Leonardo Vargas is a primary care provider, practicing in Internal Medicine in Chicago, Illinois. Dr. Vargas has been practicing medicine for over 32 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Maturity Onset Diabetes of the Young, Familial Hypertension, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

      Wadah A. Atassi
      Experienced in Vitamin B12 Deficiency
      Experienced in Vitamin B12 Deficiency

      Nephrology Associates Of Northern Illinois, Ltd

      2701 W 68th St, 
      Chicago, IL 
       (8.4 miles away)
      Languages Spoken:
      English, Arabic, French

      Wadah Atassi is a Nephrologist in Chicago, Illinois. Dr. Atassi is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are End-Stage Renal Disease (ESRD), Acute Kidney Failure, Chronic Kidney Disease, and Nephrosclerosis.

      Nancy Gryniewicz
      Experienced in Vitamin B12 Deficiency
      Family Medicine
      Experienced in Vitamin B12 Deficiency
      Family Medicine

      Family Medical Care, Ltd.

      965 Lake St., 
      Oak Park, IL 
       (8.5 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. Her top areas of expertise are Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and Type 2 Diabetes (T2D).

      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      730 S Clark St, Unit 403, 
      Chicago, IL 
       (0.7 miles away)
      Languages Spoken:
      English

      John Acquaye-Awah is a primary care provider, practicing in Internal Medicine in Chicago, Illinois. Dr. Acquaye-Awah is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Hypoparathyroidism, Type 2 Diabetes (T2D), Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.

      Experienced in Vitamin B12 Deficiency
      Nurse Practitioner
      Experienced in Vitamin B12 Deficiency
      Nurse Practitioner

      Midwest Express Care 2, Inc

      219 W Chicago Ave, 
      Chicago, IL 
       (0.9 miles away)
      Languages Spoken:
      English

      Estera Alexa is a Nurse Practitioner in Chicago, Illinois. Ms. Alexa is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Inappropriate Sinus Tachycardia (IST), Pelvic Congestion Syndrome, Respiratory Syncytial Virus (RSV) Infection, and Aseptic and Alopecic Nodules of Scalp (AANS).

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

      Raby Institute For Integrataive Med Northwestern L.

      500 N Michigan Ave Ste 2100, 
      Chicago, IL 
       (1.3 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Theri Raby is a primary care provider, practicing in Internal Medicine in Chicago, Illinois. Dr. Raby is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Vitamin D Deficiency, Folate Deficiency, Multiple Carboxylase Deficiency, and Vitamin B12 Deficiency Anemia.

      Experienced in Vitamin B12 Deficiency
      Experienced in Vitamin B12 Deficiency

      Robert H Lurie Cancer Center

      250 E Superior St Ste 4-440, 
      Chicago, IL 
       (1.3 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Claudia Tellez is an Oncologist in Chicago, Illinois. Dr. Tellez is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Breast Cancer, Inflammatory Breast Cancer, Paget Disease of the Breast, and Angiosarcoma.

      Experienced in Vitamin B12 Deficiency
      Geriatrics
      Experienced in Vitamin B12 Deficiency
      Geriatrics
      259 E Erie St Ste 2230, Lavin Family Pavilion, 
      Chicago, IL 
       (1.3 miles away)
      Experience:
      21+ years
      Languages Spoken:
      English
      Offers Telehealth

      Ann Allie is a Geriatrics provider in Chicago, Illinois. Dr. Allie has been practicing medicine for over 21 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Hypertension, Familial Hypertension, Vascular Dementia, and Idiopathic Edema.

      Showing 1-20 of 162

      Last Updated: 02/22/2026

      When should I see a Vitamin B12 Deficiency doctor near Chicago, 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 Chicago, 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 Chicago, 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 Chicago, 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 Chicago, 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 Chicago, 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 Chicago, 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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