The 20 Best Vitamin B12 Deficiency Doctors Near Me in gaithersburg, MD

Find the Top Vitamin B12 Deficiency Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 135 doctor with experience in Vitamin B12 Deficiency near gaithersburg, MD. Of these, 114 are Experienced, 20 are Advanced and 1 are Distinguished.

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135 providers found
    Experienced in Vitamin B12 Deficiency
    Family Medicine
    Experienced in Vitamin B12 Deficiency
    Family Medicine

    Office

    7 Granite Pl Ste 14, 
    Gaithersburg, MD 
     (3.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jeremy Janssen is a primary care provider, practicing in Family Medicine in Gaithersburg, Maryland. Dr. Janssen is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Nasal Flaring, Obesity in Children, and Vitamin D Deficiency. Dr. Janssen is currently accepting new patients.

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

    Maryland Oncology Hematology PA

    9905 Medical Center Drive, Shady Grove Medical Building Suite200, Suite 200, Shady Grove Medical Building Suite200, Suite 200, 
    Rockville, MD 
     (3.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Shannon O'connor is a Hematologist Oncology provider practicing medicine in Rockville, Maryland. Dr. O'connor is rated as an Advanced 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 Paget Disease of the Breast, Cervical Cancer, Neuroendocrine Carcinoma of the Cervix, and Breast Cancer. Dr. O'connor is board certified in American Board Of Internal Medicine. Dr. O'connor is currently accepting new patients.

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

    MDVIP - Rockville, MD

    15200 Shady Grove Rd Ste 207, 
    Rockville, MD 
     (3.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Kevin Gil is a primary care provider, practicing in Family Medicine in Rockville, Maryland. Dr. Gil is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses X-Linked Severe Combined Immunodeficiency, Severe Combined Immunodeficiency (SCID), Omenn Syndrome, and Diffuse Panbronchiolitis. Dr. Gil is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Vitamin B12 Deficiency
    Endocrinology | Public Health and Preventive Medicine | Integrative Medicine
    Experienced in Vitamin B12 Deficiency
    Endocrinology | Public Health and Preventive Medicine | Integrative Medicine
    Referral required

    GT Health

    15204 Omega Dr, 240, 
    Rockville, MD 
     (2.6 miles away)
    Languages Spoken:
    English, Albanian
    Offers Telehealth

    Gerti Tashko is an Internal Medicine specialist and a Public Health and Preventive Medicine provider practicing medicine in Rockville, Maryland. Dr. Tashko 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 Type B Insulin Resistance Syndrome, Abdominal Obesity Metabolic Syndrome, Cytochrome C Oxidase Deficiency, and Mitochondrial Complex V Deficiency. Dr. Tashko is board certified in Endocrinology, Diabetes And Metabolism, Obesity Medicine, Hypertension Specialist, and Lipidology.

    Advanced in Vitamin B12 Deficiency
    Addiction Medicine | Geriatrics
    Advanced in Vitamin B12 Deficiency
    Addiction Medicine | Geriatrics
    Referral may be required
    2401 Research Blvd, Suite 200, 
    Rockville, MD 
     (2.8 miles away)
    Languages Spoken:
    English, Arabic, French, Spanish
    Accepting New Patients
    Offers Telehealth

    Ahmed Heshmat is an Addiction Medicine specialist and a Geriatrics provider practicing medicine in Rockville, Maryland. Dr. Heshmat is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses End-Stage Renal Disease (ESRD), Vitamin B12 Deficiency, Necrosis, and Vitamin D Deficiency. Dr. Heshmat is currently accepting new patients.

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

    Clearway Pain Solutions

    3416 Olandwood Ct Ste 204, 
    Olney, MD 
     (7.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    David Plotkin is a primary care provider, practicing in Internal Medicine in Olney, Maryland. Dr. Plotkin is rated as a Distinguished 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 Acquired Hemophilia, Hemophilia B, Vitamin B12 Deficiency, and Glossitis. Dr. Plotkin is currently accepting new patients.

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

    All Day Medical Care LLC

    702 Russell Ave Ste 100, 
    Gaithersburg, MD 
     (0.6 miles away)
    Languages Spoken:
    English, Lithuanian, Russian
    Accepting New Patients

    Felix Sokolsky is a primary care provider, practicing in Internal Medicine in Gaithersburg, Maryland. Dr. Sokolsky 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 Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and High Cholesterol. Dr. Sokolsky is currently accepting new patients.

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

    Olde Towne Primary Care LLC

    317 E Diamond Ave, Suite C, 
    Gaithersburg, MD 
     (0.6 miles away)
    Languages Spoken:
    English, Arabic, Spanish
    Accepting New Patients
    Offers Telehealth

    Rasha Saleem is a primary care provider, practicing in Internal Medicine in Gaithersburg, Maryland. Dr. Saleem 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 Infant Hyperglycemia, Vitamin D Deficiency, Nonalcoholic Steatohepatitis (NASH), and Tracheitis. Dr. Saleem is currently accepting new patients.

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

    Alan R. Vinitsky MD LCC

    902 Wind River Ln Ste 201, 
    Gaithersburg, MD 
     (1.8 miles away)
    Languages Spoken:
    English

    Alan Vinitsky is a primary care provider, practicing in Internal Medicine in Gaithersburg, Maryland. Dr. Vinitsky 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 Autonomic Dysreflexia, Chronic Demyelinizing Neuropathy with IgM Monoclonal, Intestinal Parasitosis, and Lyme Disease.

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

    Maryland Oncology Hematology PA

    Rockville, MD 
     (3.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    George Sotos is a Hematologist Oncology provider practicing medicine in Rockville, Maryland. Dr. Sotos is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 56 other conditions, according to our data. His clinical expertise encompasses Lung Cancer, Pleuropulmonary Blastoma, Multiple Myeloma, and Endometrial Stromal Sarcoma. Dr. Sotos is board certified in American Board Of Internal Medicine. Dr. Sotos is currently accepting new patients.

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

    Maryland Oncology Hematology PA

    Rockville, MD 
     (3.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    John Wallmark is a Hematologist Oncology provider practicing medicine in Rockville, Maryland. Dr. Wallmark is rated as an Experienced 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 Breast Cancer, Paget Disease of the Breast, Multiple Myeloma, and HER-2 Positive Breast Cancer. Dr. Wallmark is board certified in American Board Of Internal Medicine. Dr. Wallmark is currently accepting new patients.

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

    Palliative Medicine Consultants Of Greater Washington LLC

    9905 Medical Center Dr, 
    Rockville, MD 
     (3.2 miles away)
    Languages Spoken:
    English

    Cheryl Aylesworth is an Oncologist practicing medicine in Rockville, Maryland. Dr. Aylesworth is rated as an Experienced 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 Breast Cancer, Paget Disease of the Breast, HER-2 Positive Breast Cancer, and Ovarian Cancer.

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

    Maryland Oncology Hematology P.A.

    9905 Medical Center Dr Ste 200, 
    Rockville, MD 
     (3.8 miles away)
    Experience:
    44+ years
    Languages Spoken:
    English
    Accepting New Patients

    Joseph Haggerty is a primary care provider, practicing in Internal Medicine in Rockville, Maryland. He has been practicing medicine for over 44 years. Dr. Haggerty is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 36 other conditions, according to our data. His clinical expertise encompasses Lung Cancer, Saddle Pulmonary Embolism, Breast Cancer, and Small Cell Lung Cancer (SCLC). Dr. Haggerty is currently accepting new patients.

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

    Maryland Oncology Hematology P.A.

    9905 Medical Center Dr Ste 200, 
    Rockville, MD 
     (3.8 miles away)
    Languages Spoken:
    English

    Manish Agrawal is an Oncologist practicing medicine in Rockville, Maryland. Dr. Agrawal 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 Urothelial Cancer, Familial Colorectal Cancer, Colorectal Cancer, and Familial Prostate Cancer.

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

    Montgomery Medical Associates PC

    10110 Molecular Dr Ste 206, 
    Rockville, MD 
     (3.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Tyra Kane is a primary care provider, practicing in Internal Medicine in Rockville, Maryland. Dr. Kane is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Nephrosclerosis, Renovascular Hypertension, Vitamin D Deficiency, and Glucocorticoid-Remediable Aldosteronism. Dr. Kane is currently accepting new patients.

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

    Accucare Sedation LLC

    9420 Key West Ave Ste 104, 
    Rockville, MD 
     (3.8 miles away)
    Languages Spoken:
    English

    Aimee Seidman is a primary care provider, practicing in Internal Medicine in Rockville, Maryland. Dr. Seidman is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Vitamin B12 Deficiency and Subacute Combined Degeneration.

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

    Office

    15200 Shady Grove Rd Ste 108, 
    Rockville, MD 
     (3.8 miles away)
    Languages Spoken:
    English, Korean, Spanish
    Accepting New Patients
    Offers Telehealth

    Jiyon Hwang-Ki is a primary care provider, practicing in Internal Medicine in Rockville, Maryland. Dr. Hwang-Ki is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 14 other conditions, according to our data. Her clinical expertise encompasses High Cholesterol, Complex Regional Pain Syndrome, Hypertensive Heart Disease, and Enlarged Liver. Dr. Hwang-Ki is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Office

    9420 Key West Ave Ste 410, 
    Rockville, MD 
     (3.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Megan Wollman-Rosenwald is a primary care provider, practicing in Family Medicine in Rockville, Maryland. Dr. Wollman-Rosenwald is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 13 other conditions, according to our data. Her clinical expertise encompasses Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and Obesity. Dr. Wollman-Rosenwald is currently accepting new patients.

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

    MDVIP - Rockville, MD

    9715 Medical Center Dr Ste 321, 
    Rockville, MD 
     (3.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Bradley Hunter is a primary care provider, practicing in Family Medicine in Rockville, Maryland. Dr. Hunter is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Mitral Valve Prolapse, Marginal Zone Lymphoma (MZL), Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension. Dr. Hunter is currently accepting new patients.

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

    Douglas C Frankel MD PA

    1684 East Gude Drive, 
    Rockville, MD 
     (3.8 miles away)
    Languages Spoken:
    English, Spanish
    Accepting New Patients
    Offers Telehealth

    Douglas Frankel is a primary care provider, practicing in Internal Medicine in Rockville, Maryland. Dr. Frankel 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 High Cholesterol, Papular Urticaria, Obesity, and Familial Combined Hyperlipidemia. Dr. Frankel is currently accepting new patients.

    Showing 1-20 of 135

    Last Updated: 09/26/2026

    When should I see a Vitamin B12 Deficiency doctor near gaithersburg, MD?

    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 gaithersburg, MD?

    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 gaithersburg, MD?

    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 gaithersburg, MD?

    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 gaithersburg, MD?

    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 gaithersburg, MD?

    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 gaithersburg, MD?

    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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