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

Find the Top Vitamin B12 Deficiency Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 180 doctor with experience in Vitamin B12 Deficiency near Horsham, PA. Of these, 153 are Experienced, 26 are Advanced and 1 are Distinguished.

Location
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180 providers found
    Experienced in Vitamin B12 Deficiency
    Hematology Oncology | Hematology | Oncology
    Experienced in Vitamin B12 Deficiency
    Hematology Oncology | Hematology | Oncology

    Abington Cancer Care Specialists

    Willow Grove, PA 
     (1.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Christian Fidler is a Hematologist and an Oncologist practicing medicine in Willow Grove, Pennsylvania. Dr. Fidler is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 39 other conditions, according to our data. His clinical expertise encompasses Neuroendocrine Tumor, Mast Cell Activation Syndrome (MCAS), Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET), and Large-Cell Immunoblastic Lymphoma. Dr. Fidler is board certified in Medical Oncology, Internal Medicine, and Hematology. Dr. Fidler is currently accepting new patients.

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

    Suburban Geriatrics Inc

    2901 Jolly Road, 
    Plymouth Meeting, PA 
     (9.4 miles away)
    Languages Spoken:
    English

    . Dr. Pearlstein is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 180 other conditions, according to our data. His clinical expertise encompasses Dementia, Alzheimer's Disease, Painful Swallowing, Gastrostomy, and Endoscopy. Dr. Pearlstein is board certified in  .

    Advanced in Vitamin B12 Deficiency
    Hematology Oncology | Hematology | Oncology
    Advanced in Vitamin B12 Deficiency
    Hematology Oncology | Hematology | Oncology
    201 Gibraltar Road, Suite 120, 
    Horsham, PA 
     (0.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Joseph Potz is a Hematologist and an Oncologist practicing medicine in Horsham, Pennsylvania. Dr. Potz is rated as an Advanced 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 Blood Clots, Venous Thromboembolism (VTE), Cor Pulmonale, and Pulmonary Embolism. Dr. Potz is currently accepting new patients.

    Learn about our expert tiers
    Advanced in Vitamin B12 Deficiency
    Endocrinology
    Advanced in Vitamin B12 Deficiency
    Endocrinology
    3 Village Road, Suite 10, 
    Horsham, PA 
     (1.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ned Weiss is an Endocrinologist practicing medicine in Horsham, Pennsylvania. Dr. Weiss is rated as an Advanced 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 Hashimoto Thyroiditis, Type 1 Diabetes (T1D), Type 2 Diabetes (T2D), and Vitamin B12 Deficiency. Dr. Weiss is currently accepting new patients.

    Advanced in Vitamin B12 Deficiency
    Hematology Oncology | Hematology | Oncology
    Advanced in Vitamin B12 Deficiency
    Hematology Oncology | Hematology | Oncology
    1648 Huntingdon Pike, Suite 1000, 
    Meadowbrook, PA 
     (5.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Marc Chernoff is a Hematologist and an Oncologist practicing medicine in Meadowbrook, Pennsylvania. Dr. Chernoff is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 53 other conditions, according to our data. His clinical expertise encompasses Childhood Iron Deficiency Anemia, Iron Deficiency Anemia, Colorectal Cancer, and Familial Colorectal Cancer. Dr. Chernoff is currently accepting new patients.

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

    Suburban Geriatrics Inc

    2901 Jolly Road, 
    Plymouth Meeting, PA 
     (9.4 miles away)
    Languages Spoken:
    English

    . Dr. Graf is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 60 other conditions, according to our data. His clinical expertise encompasses Dementia, Anemia, Necrosis, Gastrostomy, and Endoscopy. Dr. Graf is board certified in American Osteopathic Board Of Internal Medicine.

    Experienced in Vitamin B12 Deficiency
    Nurse Practitioner | General Surgery
    Experienced in Vitamin B12 Deficiency
    Nurse Practitioner | General Surgery
    401 Horsham Rd, 
    Horsham, PA 
     (0.6 miles away)
    Languages Spoken:
    English

    Frances Garbarino is a General Surgeon and a Nurse Practitioner practicing medicine in Horsham, Pennsylvania. Ms. Garbarino is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Vitamin B12 Deficiency and Vitamin D Deficiency. Ms. Garbarino is board certified in American Nurses Credentialing Center.

    Advanced in Vitamin B12 Deficiency
    Advanced in Vitamin B12 Deficiency

    Office

    2510 Maryland Rd Ste 175, 
    Willow Grove, PA 
     (1.0 miles away)
    Languages Spoken:
    English

    Peter Pickens is an Oncologist practicing medicine in Willow Grove, Pennsylvania. Dr. Pickens is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 30 other conditions, according to our data. His clinical expertise encompasses Pleuropulmonary Blastoma, Classical Hodgkin Lymphoma, Iron Deficiency Anemia, Hodgkin Lymphoma, and Bone Marrow Aspiration.

    Advanced in Vitamin B12 Deficiency
    Hematology | Oncology
    Advanced in Vitamin B12 Deficiency
    Hematology | Oncology

    Alliance Cancer Specialist

    201 Gibraltar Rd Ste 120, 
    Horsham, PA 
     (1.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jason Damsker is a Hematologist and an Oncologist practicing medicine in Horsham, Pennsylvania. Dr. Damsker is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 58 other conditions, according to our data. His clinical expertise encompasses Monoclonal Gammopathy of Undetermined Significance (MGUS), Schnitzler Syndrome, Thrombocytopenia, and Blood Clots.

    Advanced in Vitamin B12 Deficiency
    Advanced in Vitamin B12 Deficiency

    Alliance Cancer Specialist

    201 Gibraltar Rd Ste 120, 
    Horsham, PA 
     (1.4 miles away)
    Languages Spoken:
    English

    Jessica Berman is an Oncologist practicing medicine in Horsham, Pennsylvania. Dr. Berman is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 39 other conditions, according to our data. Her clinical expertise encompasses Drug-Induced Thrombocytopenia, Familial Colorectal Cancer, Hemochromatosis, and Childhood Iron Deficiency Anemia.

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

    Abington Cancer Care Specialists

    Willow Grove, PA 
     (1.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Melanie Nordlinger is a Hematologist and an Oncologist practicing medicine in Willow Grove, Pennsylvania. Dr. Nordlinger is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 28 other conditions, according to our data. Her clinical expertise encompasses Inflammatory Breast Cancer, Paget Disease of the Breast, Anemia, and Small Cell Lung Cancer (SCLC). Dr. Nordlinger is board certified in Medical Oncology. Dr. Nordlinger is currently accepting new patients.

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

    Hypertension Nephrology

    735 Fitzwatertown Road, 
    Willow Grove, PA 
     (1.5 miles away)
    Languages Spoken:
    English

    Saad Khan is an Internal Medicine specialist and a Nephrologist practicing medicine in Willow Grove, Pennsylvania. Dr. Khan is rated as an Experienced 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 Acute Kidney Failure, End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Gastrostomy, and Endoscopy. Dr. Khan is board certified in Nephrology, American Board Of Internal Medicine and American Board Of Internal Medicine.

    Experienced in Vitamin B12 Deficiency
    Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Internal Medicine
    10000 Anns Choice Way, 
    Warminster, PA 
     (3.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Vardhana Goswami is a primary care provider, practicing in Internal Medicine in Warminster, Pennsylvania. Dr. Goswami is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 15 other conditions, according to our data. Her clinical expertise encompasses Homozygous Familial Hypercholesterolemia (HoFH), Familial Hypercholesterolemia, Defective Apolipoprotein B-100, and Heterozygous Familial Hypercholesterolemia (HeFH). Dr. Goswami is currently accepting new patients.

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

    Abington Plaza Medical Associates – Warrington

    1380 Easton Road, 
    Warrington, PA 
     (4.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    James Mahoney is a primary care provider, practicing in Internal Medicine in Warrington, Pennsylvania. Dr. Mahoney 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 Infant Hyperglycemia, Aplastic Anemia, Maturity Onset Diabetes of the Young, Hip Replacement, and Ureteroscopy. Dr. Mahoney is board certified in Internal Medicine.

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

    Abington Plaza Medical Associates – Warrington

    1380 Easton Road, 
    Warrington, PA 
     (4.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Joseph Mcallister is a primary care provider, practicing in Internal Medicine in Warrington, Pennsylvania. Dr. Mcallister is rated as an Experienced 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 Lymphofollicular Hyperplasia, Lung Metastases, Glucocorticoid-Remediable Aldosteronism, Hip Replacement, and Gastrostomy. Dr. Mcallister is board certified in Internal Medicine.

    Advanced in Vitamin B12 Deficiency
    Advanced in Vitamin B12 Deficiency

    Alliance Cancer Specialists Chalfont

    700 Horizon Drive, Suite 106, 
    Chalfont, PA 
     (8.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Sarah Goodyear is an Oncologist practicing medicine in Chalfont, Pennsylvania. Dr. Goodyear is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 56 other conditions, according to our data. Her clinical expertise encompasses Paget Disease of the Breast, Angiosarcoma, Inflammatory Breast Cancer, and Breast Cancer. Dr. Goodyear is currently accepting new patients.

    Advanced in Vitamin B12 Deficiency
    Advanced in Vitamin B12 Deficiency

    Alliance Cancer Specialists Chalfont

    700 Horizon Drive, Suite 106, 
    Chalfont, PA 
     (8.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Anthony Magdalinski is a Hematologist practicing medicine in Chalfont, Pennsylvania. Dr. Magdalinski is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 83 other conditions, according to our data. His clinical expertise encompasses Childhood Iron Deficiency Anemia, Iron Deficiency Anemia, Hemangioma Thrombocytopenia Syndrome, and Adult Immune Thrombocytopenia. Dr. Magdalinski is currently accepting new patients.

    Advanced in Vitamin B12 Deficiency
    Advanced in Vitamin B12 Deficiency

    Alliance Cancer Specialists Chalfont

    700 Horizon Drive, Suite 106, 
    Chalfont, PA 
     (8.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    James Spears is an Oncologist practicing medicine in Chalfont, Pennsylvania. Dr. Spears is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 61 other conditions, according to our data. His clinical expertise encompasses Childhood Iron Deficiency Anemia, Iron Deficiency Anemia, Thrombocytopenia, and Myelodysplastic Syndrome (MDS). Dr. Spears is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Rheumatic Disease Associates,ltd

    599 W State St, Suite 310, 
    Doylestown, PA 
     (8.9 miles away)
    Languages Spoken:
    English

    David Chesner is a Rheumatologist practicing medicine in Doylestown, Pennsylvania. Dr. Chesner 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 Rheumatoid Arthritis (RA), Osteoporosis, Postmenopausal Osteoporosis, and Polymyalgia Rheumatica. Dr. Chesner is board certified in Rheumatology, American Osteopathic Board Of Internal Medicine and American Osteopathic Board Of Internal Medicine.

    Advanced in Vitamin B12 Deficiency
    Advanced in Vitamin B12 Deficiency

    Alliance Cancer Specialists Doylestown

    599 West State Street, Suite 312, 
    Doylestown, PA 
     (8.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Lorraine Dougherty is an Oncologist practicing medicine in Doylestown, Pennsylvania. Dr. Dougherty 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, Childhood Iron Deficiency Anemia, Pleuropulmonary Blastoma, and Lung Cancer. Dr. Dougherty is currently accepting new patients.

    Showing 1-20 of 180

    Last Updated: 04/28/2026

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