The 20 Best Vitamin B12 Deficiency Doctors Near Me in Lewisburg, PA

Find the Top Vitamin B12 Deficiency Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 29 doctor with experience in Vitamin B12 Deficiency near Lewisburg, PA. Of these, 27 are Experienced and 2 are Advanced.

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29 providers found
    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Geisinger Lewisburg - Hematology And Oncology

    75 Medical Park Drive, 
    Lewisburg, PA 
     (1.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Dr. O’Brien is a board-certified and fellowship-trained cancer physician. His clinical interests include lung cancer, lymphoma, general hematology, and gastrointestinal malignancies, especially colon cancer. Dr. O'Brien attended Georgetown University, where he received his medical degree, and completed his residency at Hahnemann University Hospital. He completed a fellowship in medical oncology at Milton S. Hershey Medical Center. Dr. O'Brien is certified by the American Board of Internal Medicine in internal medicine and medical oncology. Dr. O'brien 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 Colorectal Cancer, Familial Colorectal Cancer, Thrombocytopenia, and Chronic Lymphocytic Leukemia (CLL). Dr. O'brien is board certified in The American Board Of Internal Medicine In Internal Medicine And Medical Oncology. Dr. O'brien is currently accepting new patients.

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

    Geisinger Lewisburg - Hematology And Oncology

    75 Medical Park Drive, 
    Lewisburg, PA 
     (1.1 miles away)
    Languages Spoken:
    English, Spanish
    Accepting New Patients
    Offers Telehealth

    Dr. Corona is a board-certified and fellowship-trained cancer physician specializing in hematology. She earned her medical degree from the Universidad Iberoamericana School of Medicine, Santo Domingo in the Dominican Republic. She then moved to the United States to complete her residency at Reading Hospital and Medical Center and her fellowship in hematology and oncology at Drexel University. Dr. Corona is certified by the American Board of Internal Medicine in hematology and medical oncology. She speaks English and Spanish. Dr. Corona is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 24 other conditions, according to our data. Her clinical expertise encompasses Familial Colorectal Cancer, Lynch Syndrome, Colorectal Cancer, and Appendix Cancer. Dr. Corona is board certified in The American Board Of Internal Medicine In Hematology And Medical Oncology. Dr. Corona is currently accepting new patients.

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

    Geisinger Lewisburg

    250 Reitz Boulevard, 
    Lewisburg, PA 
     (1.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Dr. Lloyd is a board-certified physician specializing in family medicine. He attended the Philadelphia College of Osteopathic Medicine, where he earned his medical degree. He completed his residency at University of North Carolina Hospitals. Dr. Lloyd is certified by the American Board of Family Medicine. Dr. Lloyd 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 Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Glossitis, and Pernicious Anemia. Dr. Lloyd is board certified in The American Board Of Family Medicine. Dr. Lloyd is currently accepting new patients.

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

    Geisinger Milton - Community Medicine

    155 South Arch Street, 
    Milton, PA 
     (4.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Dr. Chow is a board-certified physician specializing in internal medicine. Her clinical interests include preventive care and chronic disease management. Dr. Chow earned her medical degree from Second Military Medical University in China. She then moved to the United States and completed her residency at Christ Hospital and Medical Center. She is certified by the American Board of Internal Medicine. Dr. Chow 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 Lung Metastases, Childhood Iron Deficiency Anemia, Clear Cell Sarcoma, and WT1-Related Wilms Tumor Syndromes. Dr. Chow is board certified in The American Board Of Internal Medicine. Dr. Chow is currently accepting new patients.

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

    Geisinger Medical Center

    131 Jpm Rd, 
    Lewisburg, PA 
     (0.9 miles away)
    Languages Spoken:
    English

    John Weston is a primary care provider, practicing in Internal Medicine in Lewisburg, Pennsylvania. Dr. Weston is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Sitosterolemia, Colorectal Cancer, Familial Colorectal Cancer, and High Cholesterol.

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

    WellSpan Family Medicine At Reitz Boulevard

    98 Reitz Blvd, 
    Lewisburg, PA 
     (1.5 miles away)
    Languages Spoken:
    English

    Michael Brown is a primary care provider, practicing in Family Medicine in Lewisburg, Pennsylvania. Dr. Brown 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 Hypertension, Peripheral Artery Disease, Breast Cancer, Maturity Onset Diabetes of the Young, and Ureteroscopy.

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

    Office

    131 Jpm Rd Ste A, 
    Lewisburg, PA 
     (3.2 miles away)
    Languages Spoken:
    English

    Danny Cho is a primary care provider, practicing in Internal Medicine in Lewisburg, Pennsylvania. Dr. Cho is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Cirrhosis, Familial Combined Hyperlipidemia, Xanthoma, and Breast Cancer.

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

    Office

    155 S Arch St Ste B, 
    Milton, PA 
     (4.9 miles away)
    Languages Spoken:
    English

    George Rohrer is a primary care provider, practicing in Family Medicine in Milton, Pennsylvania. Dr. Rohrer 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 Crohn's Disease, Maturity Onset Diabetes of the Young, Vertebral Artery Dissection, and Acute Eosinophilic Pneumonia.

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

    Office

    12560 State Route 405, 
    Watsontown, PA 
     (9.4 miles away)
    Languages Spoken:
    English

    Vikas Passi is a Family Medicine provider practicing medicine in Watsontown, Pennsylvania. Dr. Passi is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Heart Failure with Preserved Ejection Fraction (HFpEF), Vitamin B12 Deficiency, Vitamin D Deficiency, and Seasonal Affective Disorder (SAD).

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Geisinger Selinsgrove - Hematology And Oncology

    1575 North Old Trail, 
    Selinsgrove, PA 
     (10.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Dr. Patel is a board-certified and fellowship-trained cancer physician specializing in medical oncology. He obtained his medical degree from Howard University, and he completed his residency and his fellowship at Milton S. Hershey Medical Center. Dr. Patel is certified by the American Board of Internal Medicine in medical oncology. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 64 other conditions, according to our data. His clinical expertise encompasses Thrombocytopenia, Myelodysplastic Syndrome (MDS), Paget Disease of the Breast, and Angiosarcoma. Dr. Patel is board certified in The American Board Of Internal Medicine In Medical Oncology. Dr. Patel is currently accepting new patients.

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

    Evangelical Medical Services Organization

    101 Meadow Green Dr, 
    Mifflinburg, PA 
     (8.2 miles away)
    Languages Spoken:
    English

    Shawn Mcglaughlin is a primary care provider, practicing in Family Medicine in Mifflinburg, Pennsylvania. Dr. Mcglaughlin is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Maturity Onset Diabetes of the Young, WT1-Related Wilms Tumor Syndromes, and Wilms Tumor.

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

    Office

    409 N 4th St, 
    Sunbury, PA 
     (8.5 miles away)
    Languages Spoken:
    English

    David Kalodner is a primary care provider, practicing in Family Medicine in Sunbury, Pennsylvania. Dr. Kalodner 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 ECHO Virus, Familial Combined Hyperlipidemia, Xanthoma, and Cirrhosis.

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

    Sun Orthopaedic Group

    137 Forest Hill Rd, 
    Mifflinburg, PA 
     (8.6 miles away)
    Languages Spoken:
    English

    Domenick Ronco is a primary care provider, practicing in Family Medicine in Mifflinburg, Pennsylvania. Dr. Ronco is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Lung Cancer, Type 2 Diabetes (T2D), and Hypertension.

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

    Sun Orthopaedic Group

    137 Forest Hill Rd, 
    Mifflinburg, PA 
     (8.6 miles away)
    Languages Spoken:
    English

    Rebekah Tanner is a primary care provider, practicing in Family Medicine in Mifflinburg, Pennsylvania. Dr. Tanner 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 Type 2 Diabetes (T2D), Giant Papillary Conjunctivitis, Cirrhosis, and High Cholesterol.

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

    Office

    3057 N Susquehanna Trl, 
    Shamokin Dam, PA 
     (8.7 miles away)
    Languages Spoken:
    English

    Sally Ferguson is a primary care provider, practicing in Internal Medicine in Shamokin Dam, Pennsylvania. Dr. Ferguson 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 Breast Cancer, Cirrhosis, Familial Combined Hyperlipidemia, and Xanthoma.

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

    Pagana & Pagana-Defazio Family Practice LLC

    1072 Market St, 
    Sunbury, PA 
     (9.0 miles away)
    Languages Spoken:
    English

    Jessica Pagana is a primary care provider, practicing in Family Medicine in Sunbury, Pennsylvania. Dr. Pagana 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 Thrombocytopenia, Adult Immune Thrombocytopenia, Immune Thrombocytopenic Purpura (ITP), and Hemangioma Thrombocytopenia Syndrome.

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

    Family Practice Center PC

    270 Susquehanna Valley Mall Dr, 
    Selinsgrove, PA 
     (9.6 miles away)
    Languages Spoken:
    English

    Mandy Maneval is a primary care provider, practicing in Family Medicine in Selinsgrove, Pennsylvania. Dr. Maneval 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 Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and Hypothyroidism.

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

    Geisinger Selinsgrove

    201 Roosevelt Avenue, 
    Selinsgrove, PA 
     (10.2 miles away)
    Experience:
    47+ years
    Languages Spoken:
    English, Filipino
    Accepting New Patients
    Offers Telehealth

    Dr. Servano is a board-certified physician specializing in family medicine. His clinical interests include hypertension, diabetes and cardiovascular issues. Dr. Servano attended the Far Eastern University Institute of Medicine, where he received his medical degree, and completed his residency at Underwood-Memorial Hospital. Dr. Servano is certified by the American Board of Family Medicine. He speaks English, Tagalog and Filipino. Dr. Servano 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 Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), Cirrhosis, and Chronic Cough. Dr. Servano is board certified in The American Board Of Family Medicine. Dr. Servano is currently accepting new patients.

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

    Geisinger Danville - General Internal Medicine

    35 Justin Drive, Floor 4, 
    Danville, PA 
     (12.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Conor Mulcahy, DO, is an internal medicine physician. He cares for adults with a range of chronic and acute conditions. “I enjoy being a ‘Jack of all trades’ but have a particular interest in optimizing lifestyle to help patients live healthier lives,” he says.|Dr. Mulcahy earned his medical degree from Lake Erie College of Osteopathic Medicine in Erie. After medical school, he completed a residency at Geisinger Medical Center, where he was resident of the year.|“I love the longitudinal relationships I get to have with patients,” he notes. “I also have a passion for teaching.”|In his spare time, Dr. Mulcahy enjoys ultimate Frisbee and hiking. Dr. Mulcahy 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 Obesity, High Cholesterol, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Mulcahy is currently accepting new patients.

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

    GMC General Internal Medicine

    35 Justin Drive, 
    Danville, PA 
     (12.7 miles away)
    Languages Spoken:
    English

    Greg Burke, MD, is an internal medicine physician. He helps adults manage multiple complex conditions. And he provides preventive care. Dr. Burke has a special interest in the comprehensive care of older adults.|He attended Jefferson Medical College. He followed that with an internship at Thomas Jefferson University Hospital in Philadelphia.|Dr. Burke was inspired to become a provider “to have the opportunity to help others in the relief of suffering.”|He adds, “I enjoy developing long-term relationships with my patients and sharing the work with wonderful colleagues.”|A native of northeastern Pennsylvania, Dr. Burke is the proud father of 4 daughters. Dr. Burke is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Decerebrate Posture, Decorticate Posture, Glucocorticoid-Remediable Aldosteronism, and Hypertension.

    Showing 1-20 of 29

    Last Updated: 04/28/2026

    When should I see a Vitamin B12 Deficiency doctor near Lewisburg, PA?

    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 Lewisburg, PA?

    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 Lewisburg, PA?

    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 Lewisburg, PA?

    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 Lewisburg, PA?

    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 Lewisburg, PA?

    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 Lewisburg, PA?

    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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