The 20 Best Vitamin B12 Deficiency Doctors Near Me in Delaware, US

Find the Top Vitamin B12 Deficiency Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 118 doctor with experience in Vitamin B12 Deficiency near Delaware, US. Of these, 111 are Experienced, 5 are Advanced and 2 are Distinguished.

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118 providers found
    Advanced in Vitamin B12 Deficiency
    Oncology | Hematology Oncology
    Advanced in Vitamin B12 Deficiency
    Oncology | Hematology Oncology
    Referral may be required

    Medical Oncology Hematology Consultants

    651 North Broad Street, Suite 406, 
    Middletown, DE 
    Languages Spoken:
    English

    Jamil Khatri is a Hematologist Oncology specialist and an Oncologist practicing medicine in Middletown, Delaware. Dr. Khatri is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 69 other conditions, according to our data. His clinical expertise encompasses Lung Cancer, Pleuropulmonary Blastoma, Familial Colorectal Cancer, Non-Hodgkin Lymphoma, and Bone Marrow Aspiration.

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

    Medical Oncology Hematology Consultants

    651 North Broad Street, Suite 406, 
    Middletown, DE 
    Languages Spoken:
    English

    Martha Hosford is a Hematologist Oncology specialist and an Oncologist practicing medicine in Middletown, Delaware. Dr. Hosford is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 58 other conditions, according to our data. Her clinical expertise encompasses Paget Disease of the Breast, Colorectal Cancer, Familial Colorectal Cancer, and Breast Cancer.

    Distinguished in Vitamin B12 Deficiency
    Internal Medicine
    Distinguished in Vitamin B12 Deficiency
    Internal Medicine

    Delaware Sleep Disorder Centers LLC

    20930 DuPont Blvd Unit 202, 
    Georgetown, DE 
    Languages Spoken:
    English

    Beshara Helou is a primary care provider, practicing in Internal Medicine in Georgetown, Delaware. Dr. Helou is rated as a Distinguished provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 102 other conditions, according to our data. His clinical expertise encompasses Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Type 2 Diabetes (T2D).

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

    Bethany Primary Care

    33188 Coastal Hwy Unit 4, 
    Bethany Beach, DE 
    Languages Spoken:
    English
    Offers Telehealth

    Rajshekar Narasimaiah is a primary care provider, practicing in Internal Medicine in Bethany Beach, Delaware. Dr. Narasimaiah is rated as a Distinguished provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and Vitamin B12 Deficiency.

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

    Christiana Care Health Services Inc

    4701 Ogletown Stanton Rd, 
    Newark, DE 
    Languages Spoken:
    English

    Stephen Rubenstein is a Hematologist Oncology specialist and a Hematologist practicing medicine in Newark, Delaware. Dr. Rubenstein is rated as an Advanced 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 Familial Colorectal Cancer, Melanoma, Breast Cancer, Paget Disease of the Breast, and Bone Marrow Aspiration.

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

    Medical Oncology Hematology Consultants

    651 North Broad Street, Suite 406, 
    Middletown, DE 
    Languages Spoken:
    English
    Offers Telehealth

    Jamal Misleh is a Hematologist and an Internal Medicine provider practicing medicine in Middletown, Delaware. Dr. Misleh is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 133 other conditions, according to our data. His clinical expertise encompasses Large-Cell Immunoblastic Lymphoma, Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET), Neuroendocrine Tumor, Bone Marrow Aspiration, and Bone Marrow Transplant.

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

    Medical Oncology Hematology Consultants

    651 North Broad Street, Suite 406, 
    Middletown, DE 
    Experience:
    26+ years
    Languages Spoken:
    English

    William Lee is an Oncologist practicing medicine in Middletown, Delaware. He has been practicing medicine for over 26 years. Dr. Lee 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 Neuroendocrine Tumor, Familial Pancreatic Cancer, Colorectal Cancer, and Familial Colorectal Cancer.

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

    Progressive Health Of Delaware

    3411 Silverside Road, Concord Plaza, Springer Building, Suite 100, 
    Wilmington, DE 
    Languages Spoken:
    English
    Offers Telehealth

    Deborah Zarek is a primary care provider, practicing in Internal Medicine and Geriatrics in Wilmington, Delaware. Dr. Zarek is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Familial Hypertension, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Osteoporosis.

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

    Christiana Care Health Services Inc

    4701 Ogletown Stanton Rd, Suite 4200, 
    Newark, DE 
    Experience:
    17+ years
    Languages Spoken:
    English
    Offers Telehealth

    Holleh Husseinzadeh is a Hematologist practicing medicine in Newark, Delaware. She has been practicing medicine for over 17 years. Dr. Husseinzadeh is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Hemophilia A, Hemophilic Arthropathy, Hemophilia B, and Von Willebrand Disease (VWD).

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

    Christiana Care Health Services Inc

    4755 Ogletown Stanton Rd, 
    Newark, DE 
    Experience:
    43+ years
    Languages Spoken:
    English

    Scott Hall is a Hematologist practicing medicine in Newark, Delaware. He has been practicing medicine for over 43 years. Dr. Hall is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 44 other conditions, according to our data. His clinical expertise encompasses Thrombocytopenia, Chronic B-Cell Leukemia (CBCL), Chronic Lymphocytic Leukemia (CLL), Bone Marrow Aspiration, and Bone Marrow Transplant.

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

    Medical Oncology Hematology Consultants

    651 North Broad Street, Suite 406, 
    Middletown, DE 
    Languages Spoken:
    English

    Lydia Clements is a Hematologist and an Internal Medicine provider practicing medicine in Middletown, Delaware. Dr. Clements 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 Paget Disease of the Breast, Breast Cancer, Anemia, HER-2 Positive Breast Cancer, and Bone Marrow Aspiration.

    Experienced in Vitamin B12 Deficiency
    Geriatrics | Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Geriatrics | Internal Medicine
    Referral may be required

    Premium Healthcare - Concierge MedSpa LLC

    1941 Limestone Road, Suite 218, 
    Wilmington, DE 
    Experience:
    44+ years
    Languages Spoken:
    English
    Offers Telehealth

    Stuart Felzer is a primary care provider, practicing in Internal Medicine and Geriatrics in Wilmington, Delaware. He has been practicing medicine for over 44 years. Dr. Felzer 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 Bowenoid Papulosis, Mitochondrial Complex 3 Deficiency, Mitochondrial Complex 2 Deficiency, and Mitochondrial Complex 1 Deficiency. Dr. Felzer is board certified in American Board Of Internal Medicine, Internal Medicine.

    Experienced in Vitamin B12 Deficiency
    Hematology | Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Hematology | Internal Medicine
    Referral may be required

    Christiana Care Health Services Inc

    4701 Ogletown Stanton Rd, Suite 4200, 
    Newark, DE 
    Languages Spoken:
    English
    Offers Telehealth

    Paramveer Singh is a Hematologist and an Internal Medicine provider practicing medicine in Newark, Delaware. Dr. Singh 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 Thrombocytopenia, Febrile Neutropenia, Pulmonary Embolism, Idiopathic Neutropenia, and Bone Marrow Transplant.

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

    Neurology Specialist Swank

    501 West 14th Street, Gateway, 5th Floor, 
    Wilmington, DE 
    Experience:
    38+ years
    Languages Spoken:
    English
    Offers Telehealth

    Joseph Handler is a Neurologist practicing medicine in Wilmington, Delaware. He has been practicing medicine for over 38 years. Dr. Handler is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 32 other conditions, according to our data. His clinical expertise encompasses Cerebellar Degeneration, Alzheimer's Disease, Lewy Body Dementia (LBD), and Memory Loss.

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

    Medical Oncology Hematology Consultants

    651 North Broad Street, Suite 406, 
    Middletown, DE 
    Languages Spoken:
    English

    Roberto Valdes is a Hematologist and an Oncologist practicing medicine in Middletown, Delaware. Dr. Valdes is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 43 other conditions, according to our data. His clinical expertise encompasses Multiple Myeloma, Large-Cell Immunoblastic Lymphoma, Diffuse Large B-Cell Lymphoma (DLBCL), Bone Marrow Aspiration, and Bone Marrow Transplant.

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

    Nephrology Associates, PA-Newark

    4923 Ogletown Stanton Road, Suite 200, 
    Newark, DE 
    Languages Spoken:
    English
    Offers Telehealth

    Collette Mehring is a Nephrologist practicing medicine in Newark, Delaware. Dr. Mehring is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 21 other conditions, according to our data. Her clinical expertise encompasses Chronic Kidney Disease, Acute Kidney Failure, Low Sodium Level, and End-Stage Renal Disease (ESRD). Dr. Mehring is board certified in Nephrology, American Board Of Internal Medicine.

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

    Medical Oncology Hematology Consultants

    651 North Broad Street, Suite 406, 
    Middletown, DE 
    Languages Spoken:
    English

    Evan Lapinsky is a Hematologist and an Internal Medicine provider practicing medicine in Middletown, Delaware. Dr. Lapinsky is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 32 other conditions, according to our data. His clinical expertise encompasses Colorectal Cancer, Familial Colorectal Cancer, Pleuropulmonary Blastoma, and Anemia.

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

    Delaware Family Care Associates

    2700 Silverside Road, Suite 2, 
    Wilmington, DE 
    Languages Spoken:
    English

    Jeffrey Cramer is a primary care provider, practicing in Family Medicine in Wilmington, Delaware. Dr. Cramer is rated as an Advanced 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 Xanthoma, Familial Combined Hyperlipidemia, Cirrhosis, and High Cholesterol. Dr. Cramer is board certified in American Board Of Family Medicine.

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

    Bayhealth Primary Care, Blue Hen

    665 S Bay Rd Unit B, 
    Dover, DE 
    Languages Spoken:
    English

    Michael Sweeney is a primary care provider, practicing in Internal Medicine in Dover, Delaware. Dr. Sweeney is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 38 other conditions, according to our data. His clinical expertise encompasses Familial Hypertension, Hypertension, Glucocorticoid-Remediable Aldosteronism, and High Cholesterol.

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

    Beebe Primary Care Long Neck And Family Medicine Residency Practice

    32050 Long Neck Rd, 
    Millsboro, DE 
    Languages Spoken:
    English
    Offers Telehealth

    Marisa Conti is a primary care provider, practicing in Internal Medicine in Millsboro, Delaware. Dr. Conti is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 41 other conditions, according to our data. Her clinical expertise encompasses Vitamin D Deficiency, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Hypertension.

    Showing 1-20 of 118

    Last Updated: 04/28/2026

    When should I see a Vitamin B12 Deficiency doctor in Delaware, 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 Vitamin B12 Deficiency doctor in Delaware, 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 Vitamin B12 Deficiency doctors in Delaware, 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 Vitamin B12 Deficiency doctors in Delaware, 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 Vitamin B12 Deficiency doctor in Delaware, 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 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 in Delaware, 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 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 in Delaware, US?

    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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