The 20 Best Vitamin B12 Deficiency Doctors Near Me in District of Columbia, US

Find the Top Vitamin B12 Deficiency Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 40 doctor with experience in Vitamin B12 Deficiency near District of Columbia, US. Of these, 36 are Experienced and 4 are Advanced.

Location
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40 providers found
    Advanced in Vitamin B12 Deficiency
    Internal Medicine
    Advanced in Vitamin B12 Deficiency
    Internal Medicine

    Sibley Memorial Hospital

    5215 Loughboro Road Northwest, Suite 310/460, Suite 310/460, 
    Washington, DC 
    Languages Spoken:
    English
    Offers Telehealth

    Christopher Duke, MD is a second-generation physician and native Washingtonian. His parents practiced medicine in Washington for four decades. Chris has practiced internal medicine here for 30 years. He attended George Washington University for his undergraduate and medical degrees. He completed Internal Medicine training at Penn State University. Chris practices evidence-based medicine while emphasizing empathy for his patients and their families. He personally knows and refers patients to the many outstanding specialists in Washington. He is excited to team with his patients to optimize their health and enjoyment of life. He has taught medical students at George Washington as an associate professor of medicine. He has been recognized by Washingtonian Magazine as a “Top Doctor” including in 2022. Outside of work, he enjoys traveling with wife Lilian and children Jacqueline and James. He loves attending Notre Dame football games and spoiling his pugs- Mini and Rockne! LinkedIn https://www.linkedin.com/in/christopher-duke-md-1126314. Dr. Duke 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 Rabson-Mendenhall Syndrome, Vitamin B12 Deficiency, Subacute Combined Degeneration, and Cellulitis. Dr. Duke is board certified in American Board Of Internal Medicine.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    110 Irving St., Nw 1st Floor-North Addition

    110 Irving St NW, 
    Washington, DC 
    Languages Spoken:
    English
    Offers Telehealth

    Farooq Sheikh is a Cardiologist practicing medicine in Washington, Washington, D.c.. Dr. Sheikh 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 Sarcoidosis, Heart Failure, Cardiomyopathy, Heart Transplant, and Cardiac Ablation.

    Experienced in Vitamin B12 Deficiency
    Interventional Cardiology | Cardiology
    Experienced in Vitamin B12 Deficiency
    Interventional Cardiology | Cardiology

    Foxhall Medicine PLLC

    Washington, DC 
    Languages Spoken:
    English

    Dr. Joshua S. Yamamoto is a cardiologist affiliated with Sibley Memorial Hospital and Georgetown University Hospital. He practices out of Foxhall Medicine in Washington, D.C. Dr. Yamamoto earned his undergraduate degree from Princeton University and his medical degree from Dartmouth Medical School. He completed a residency in internal medicine at Johns Hopkins Health System, followed by a fellowship in cardiology at Georgetown University Hospital and a fellowship in cardiovascular disease at National Naval Medical Center. Dr. Yamamoto went on to serve in the United States Navy for eight years. During this time, he served as the director of cardiac imaging at Bethesda Naval Hospital, the cardiology consultant for the attending physician to Congress, the head of cardiology training and supported cardiac needs in the war zone of Kuwait in 2005. Dr. Yamamoto is a fellow of the American College of Cardiology. Dr. Yamamoto has been named a Top MD by Consumers’ Checkbook Magazine and a 2012 Top Doctor in the Washington, D.C. and Washington-Baltimore areas by Castle Connolly. LinkedIn https://www.linkedin.com/in/joshua-yamamoto-64abaa115/. Dr. Yamamoto 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 Sick Sinus Syndrome, Arrhythmias, Carotid Artery Disease, and Hypertensive Heart Disease.

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

    Collin D Cullen MDLLC

    4400 Jenifer Street Northwest, Suite 350, Suite 350, 
    Washington, DC 
    Languages Spoken:
    English
    Offers Telehealth

    Dr. Collin D. Cullen is an internist affiliated with Sibley Memorial Hospital. He practices out of Cullen, Umosella, Cullen & Cullen in Bethesda, Md. Dr. Cullen earned his medical degree from Georgetown University School of Medicine. He completed a residency in obstetrics and gynecology at Geisinger Medical Center. Dr. Cullen has been named a Top MD by Consumers’ Checkbook Magazine, as well as a Top Family/General Practitioner by Washingtonian Magazine. Recent News Articles and Media Coverage The Brothers Cullen. Bethesda Magazine (January/February 2008). Dr. Cullen is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Tension Headache, Subacute Combined Degeneration, Cirrhosis, and Familial Combined Hyperlipidemia. Dr. Cullen is board certified in American Board Of Pediatrics and American Board Of Internal Medicine.

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

    Reginald D Wills MD PC

    1263 Evarts St NE, 
    Washington, DC 
    Languages Spoken:
    English

    Nayo Wills is a primary care provider, practicing in Internal Medicine in Washington, Washington, D.c.. Dr. Wills is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 36 other conditions, according to our data. Her clinical expertise encompasses Peripheral Neuropathy, Memory Loss, Premenstrual Syndrome, and Autosomal Recessive Hypotrichosis.

    Advanced in Vitamin B12 Deficiency
    Advanced in Vitamin B12 Deficiency

    Peterson Neurology PC

    1140 Varnum St NE Ste 101, 
    Washington, DC 
    Languages Spoken:
    English

    William Peterson is a Neurologist practicing medicine in Washington, Washington, D.c.. Dr. Peterson is rated as an Advanced 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 Vitamin B12 Deficiency, Seizures, Subacute Combined Degeneration, and Progressive Myoclonic Epilepsy.

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

    UHC Stanton RD. Health Center

    3240 Stanton Rd SE, 
    Washington, DC 
    Languages Spoken:
    English

    Michelle Gaskins is a primary care provider, practicing in Family Medicine in Washington, Washington, D.c.. Dr. Gaskins is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Gout, Obesity, Genital Herpes, and Vulvovaginitis.

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

    Charles B. Abrams M.D. P.C.

    1120 19th St NW Ste 200, 
    Washington, DC 
    Languages Spoken:
    English

    Lucy Chang is a primary care provider, practicing in Internal Medicine in Washington, Washington, D.c.. Dr. Chang 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, High Cholesterol, Vitamin B12 Deficiency, and Obesity in Children.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Foxhall Medicine PLLC

    Washington, DC 
    Languages Spoken:
    English

    Kristin Yamamoto is a primary care provider, practicing in Rheumatologist in Washington, Washington, D.c.. Dr. Yamamoto 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 Sitosterolemia, Osteoporosis, Postmenopausal Osteoporosis, and High Cholesterol.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Hu Faculty Practice Plan-Hematology/Oncology

    2041 Georgia Ave NW Ste 5100, 
    Washington, DC 
    Languages Spoken:
    English

    Pudipeddi Sarma is a Hematologist practicing medicine in Washington, Washington, D.c.. Dr. Sarma is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Anemia, Breast Cancer, Thrombocytopenia, and Paget Disease of the Breast.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Office

    2639 Connecticut Ave NW Ste C100, 
    Washington, DC 
    Languages Spoken:
    English
    Offers Telehealth

    Eugene Miknowski is a Rheumatologist practicing medicine in Washington, Washington, D.c.. Dr. Miknowski is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Fibromyalgia, Vitamin B12 Deficiency, Polymyalgia Rheumatica, and Rhizomelic Pseudopolyarthritis.

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

    Foxhall Internists PC

    3301 New Mexico Avenue Northwest, Suite 348, Suite 348, 
    Washington, DC 
    Languages Spoken:
    English

    Dr. David M. Hansen is an internist affiliated with Sibley Memorial Hospital and Georgetown University Hospital. He practices out of Foxhall Internists in Washington, D.C. Dr. Hansen’s clinical interests range from preventive care to long-term management of chronic conditions, such as diabetes, hypertension and heart failure. Dr. Hansen earned his undergraduate degree from Harvard College and his medical degree from Johns Hopkins University School of Medicine. He completed a residency in internal medicine at Stanford University School of Medicine. Dr. Hansen previously served as clinical faculty of Stanford Medical School and practiced at the Stanford-affiliated Menlo Medical Clinic. Dr. Hansen has been named a Top Internist by Washingtonian magazine and Consumers’ Checkbook magazine. He has also been named one of the Best Doctors in America and a Super Doctor by the Washington Post magazine. Dr. Hansen 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 Alcoholic Cirrhosis, High Cholesterol, Homocystinuria, and Methylmalonic Acidemia with Homocystinuria. Dr. Hansen is board certified in American Board Of Internal Medicine.

    Experienced in Vitamin B12 Deficiency
    Pulmonary Medicine
    Experienced in Vitamin B12 Deficiency
    Pulmonary Medicine

    Joel M. Taubin M.D. P.C.

    1145 19th St NW Ste 504, 
    Washington, DC 
    Languages Spoken:
    English

    Joel Taubin is a Pulmonary Medicine provider practicing medicine in Washington, Washington, D.c.. Dr. Taubin is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Irregular Sleep-Wake Syndrome, Empyema, Vitamin B12 Deficiency, and Muscle Spasms.

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

    Metro Asthma And Allergy Centers

    3924 Minnesota Ave NE, 
    Washington, DC 
    Languages Spoken:
    English

    Alison Lesht is a Nurse Practitioner practicing medicine in Washington, Washington, D.c.. Lesht, NP 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 Protein Deficiency, Vitamin D Deficiency, Vitamin B12 Deficiency, and Relapsing Multiple Sclerosis (RMS).

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

    John E Yerg II MD PLLC

    5410 Connecticut Ave NW Ste 117, 
    Washington, DC 
    Languages Spoken:
    English

    John Yerg is an Internal Medicine provider practicing medicine in Washington, Washington, D.c.. Dr. Yerg is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Lung Nodules, Bronchiectasis, Vitamin B12 Deficiency, and Lung Metastases.

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

    Potomac Internists

    5215 Loughboro Road Northwest, Suite 440, Suite 440, 
    Washington, DC 
    Languages Spoken:
    English, French, German

    Theodore Li is a primary care provider, practicing in Internal Medicine in Washington, Washington, D.c.. Dr. Li 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 Chronic Cough, Fainting, Hypothyroidism, and Obesity in Children. Dr. Li is board certified in American Board Of Internal Medicine.

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

    Kaiser Permanente Capitol Hill Medical Center

    700 2nd St NE, 
    Washington, DC 
    Experience:
    10+ years
    Languages Spoken:
    English

    Travis Maestas is a primary care provider, practicing in Internal Medicine in Washington, Washington, D.c.. He has been practicing medicine for over 10 years. Dr. Maestas is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Vitamin B12 Deficiency and Vitamin B12 Deficiency Anemia.

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

    Foxhall Internists PC

    3301 New Mexico Avenue Northwest, Suite 349, Suite 349, 
    Washington, DC 
    Languages Spoken:
    English

    Dr. Lawrence E. Klein is an internist affiliated with Sibley Memorial Hospital; Johns Hopkins Hospital, where he holds a part-time faculty appointment; and Georgetown University Hospital, where he also holds a faculty appointment. He practices out of Foxhall Internists in Washington, D.C. Dr. Klein completed a joint M.D.-Ph.D. program at Johns Hopkins University School of Medicine, where he was elected into the AOA Medical Honor Society. He completed a residency in internal medicine at Strong Memorial Hospital of the University of Rochester, followed by a fellowship in internal medicine at Johns Hopkins Hospital. Dr. Klein was one of the country’s first Henry J. Kaiser Foundation fellows in internal medicine. He went on to serve as a full-time Johns Hopkins medical faculty member. Dr. Klein previously served as the president of the D.C. Society of Internal Medicine and the governor of the D.C. Chapter of the American College of Physicians. Dr. Klein has been repeatedly named a Top Doctor in Washingtonian magazine and Consumers’ Checkbook magazine, as well as named a Super Doctor in the Washington Post magazine and one of the Best Doctors in America. He was awarded the American College of Physicians John H. Maher Laureate Award in 2001 and inducted as a Master of the American College of Physicians in 2009. Dr. Klein has contributed to numerous publications and presentations, abstracts and posters, and lectures on various topics. Dr. Klein 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 Chronic Lymphocytic Leukemia (CLL), Richter Syndrome, Chronic B-Cell Leukemia (CBCL), and Familial Hypertriglyceridemia. Dr. Klein is board certified in American Board Of Internal Medicine.

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

    Greater DC Physicians Group

    2041 Martin Luther King Jr Ave SE Ste LL2, 
    Washington, DC 
    Languages Spoken:
    English

    Cleveland Williams is a primary care provider, practicing in Family Medicine in Washington, Washington, D.c.. Dr. Williams is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Hepatitis C, Opioid Use Disorder, Hepatitis, and Asthma.

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

    Potomac Internists PC

    5215 Loughboro Rd NW Ste 440, 
    Washington, DC 
    Languages Spoken:
    English

    Kevin Nealon is a primary care provider, practicing in Internal Medicine in Washington, Washington, D.c.. Dr. Nealon 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 Chronic Cough, Vertigo, Fainting, and Hyperlipidemia Type 3.

    Showing 1-20 of 40

    Last Updated: 04/28/2026

    When should I see a Vitamin B12 Deficiency doctor in District of Columbia, 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 District of Columbia, 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 District of Columbia, 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 District of Columbia, 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 District of Columbia, 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 District of Columbia, 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 District of Columbia, 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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