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

Find the Top Vitamin B12 Deficiency Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 63 doctor with experience in Vitamin B12 Deficiency near Downingtown, PA. Of these, 54 are Experienced, 8 are Advanced and 1 are Distinguished.

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63 providers found
    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology

    Abramson Cancer Center Exton

    700 West Lincoln Highway, Suite 720,The Commons At Oaklands, 
    Exton, PA 
     (4.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Michael Costello is a Hematologist and an Oncologist practicing medicine in Exton, Pennsylvania. Dr. Costello is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 50 other conditions, according to our data. His clinical expertise encompasses Lymphofollicular Hyperplasia, Childhood Iron Deficiency Anemia, Small Cell Lung Cancer (SCLC), and Lung Adenocarcinoma. Dr. Costello is board certified in Hematology, 2011 and Medical Oncology, 2011. Dr. Costello is currently accepting new patients.

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

    Abramson Cancer Center Exton

    700 West Lincoln Highway, Suite 720,The Commons At Oaklands, 
    Exton, PA 
     (4.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Daniel Altman is a Hematologist and an Oncologist practicing medicine in Exton, Pennsylvania. Dr. Altman 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 Childhood Iron Deficiency Anemia, Melanoma, Idiopathic Neutropenia, Spinal Fusion, and Microdiscectomy. Dr. Altman is board certified in Hematology, 2020, Medical Oncology, 2020, and Internal Medicine, 2017. Dr. Altman is currently accepting new patients.

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

    Ira M. Thal, MD

    1615 E Boot Rd, 
    West Chester, PA 
     (8.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    . Dr. Thal is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 33 other conditions, according to our data. His clinical expertise encompasses Anemia, Alzheimer's Disease, Urinary Tract Infection in Children, and Urinary Tract Infection (UTI). Dr. Thal is board certified in American Board Of Internal Medicine.

    Learn about our expert tiers
    Advanced in Vitamin B12 Deficiency
    Family Medicine
    Advanced in Vitamin B12 Deficiency
    Family Medicine

    Ingleside Medical Associates Thorndale

    200 Municipal Drive, 
    Thorndale, PA 
     (2.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    William Brown is a primary care provider, practicing in Family Medicine in Thorndale, Pennsylvania. Dr. Brown 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 Familial Combined Hyperlipidemia, Xanthoma, Glucocorticoid-Remediable Aldosteronism, Endoscopy, and Pacemaker Implantation. Dr. Brown is board certified in Family Medicine, 1995. Dr. Brown is currently accepting new patients.

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

    Ingleside Medical Associates LLC

    200 Municipal Dr, 
    Thorndale, PA 
     (2.8 miles away)
    Languages Spoken:
    English

    Christopher Schreier is a primary care provider, practicing in Family Medicine in Thorndale, Pennsylvania. Dr. Schreier is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 45 other conditions, according to our data. His clinical expertise encompasses Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, Colonoscopy, and Endoscopy.

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

    Ingleside Medical Associates LLC

    200 Municipal Dr, 
    Thorndale, PA 
     (2.8 miles away)
    Languages Spoken:
    English

    Inez Stoltzfus is a primary care provider, practicing in Family Medicine in Thorndale, Pennsylvania. Dr. Stoltzfus is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 22 other conditions, according to our data. Her clinical expertise encompasses Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, Endoscopy, and Hip Replacement.

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

    Ingleside Medical Associates LLC

    200 Municipal Dr, 
    Thorndale, PA 
     (2.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Michael Carnuccio is a primary care provider, practicing in Family Medicine in Thorndale, Pennsylvania. Dr. Carnuccio is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 34 other conditions, according to our data. His clinical expertise encompasses Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, Endoscopy, and Hernia Surgery.

    Distinguished in Vitamin B12 Deficiency
    Distinguished in Vitamin B12 Deficiency

    Chester County Hematology Oncology

    440 E Marshall St Ste 201, 
    West Chester, PA 
     (5.5 miles away)
    Languages Spoken:
    English

    Michele Tedeschi is an Oncologist practicing medicine in West Chester, Pennsylvania. Dr. Tedeschi is rated as a Distinguished provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 32 other conditions, according to our data. Her clinical expertise encompasses Paget Disease of the Breast, Breast Cancer, Inflammatory Breast Cancer, Hepato-Pancreato-Biliary Surgery, and Pancreaticoduodenectomy.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Clinical Renal Associates, Ltd. Exton

    860 Springdale Drive, Suite 100, 
    Exton, PA 
     (5.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Michael Lattanzio is a Nephrologist practicing medicine in Exton, Pennsylvania. Dr. Lattanzio 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 Acute Kidney Failure, End-Stage Renal Disease (ESRD), Chronic Kidney Disease, and Low Sodium Level. Dr. Lattanzio is board certified in Nephrology, 2010 and Internal Medicine, 2008. Dr. Lattanzio is currently accepting new patients.

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

    Reading Hospital Hematology Oncology

    824 Main St, Ste 101, 
    Phoenixville, PA 
     (12.8 miles away)
    Languages Spoken:
    English, Mandarin

    . Dr. Song is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 75 other conditions, according to our data. His clinical expertise encompasses Lung Cancer, Stomach Cancer, Small Cell Lung Cancer (SCLC), Endoscopy, and Sacral Nerve Stimulation. Dr. Song is board certified in American Board Of Internal Medicine.

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

    McGlinn Cancer Institute - Reading Hospital, Phoenixville Campus

    824 Main Street, Ste 101, 
    Phoenixville, PA 
     (12.8 miles away)
    Languages Spoken:
    English

    . Dr. Wang 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 Anemia, Idiopathic Neutropenia, Thrombocytopenia, and Agranulocytosis. Dr. Wang is board certified in American Board Of Internal Medicine.

    Experienced in Vitamin B12 Deficiency
    Physician Assistant
    Experienced in Vitamin B12 Deficiency
    Physician Assistant

    McGlinn Cancer Institute - Reading Hospital, Phoenixville Campus

    824 Main Street, Ste 101, 
    Phoenixville, PA 
     (12.8 miles away)
    Languages Spoken:
    English

    . Ms. Stoddart is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Febrile Neutropenia, Primary Mediastinal B-Cell Lymphoma (PMBCL), Saddle Pulmonary Embolism, and ALK-Positive Non-Small Cell Lung Cancer. Ms. Stoddart is board certified in National Commission On Certification Of Physician Assistants.

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

    McGlinn Cancer Institute - Reading Hospital, Phoenixville Campus

    824 Main Street, Ste 101, 
    Phoenixville, PA 
     (12.8 miles away)
    Languages Spoken:
    English, Hindi, Marathi, Tamil

    . Dr. Potdar 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 Breast Cancer, Paget Disease of the Breast, Thrombocytopenia, Pulmonary Embolism, and Bone Marrow Transplant. Dr. Potdar is board certified in American Board Of Internal Medicine.

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

    Office

    142 Wallace Ave, 
    Downingtown, PA 
     (0.4 miles away)
    Languages Spoken:
    English

    Vitasta Bamezai is a primary care provider, practicing in Internal Medicine in Downingtown, Pennsylvania. Dr. Bamezai is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 27 other conditions, according to our data. Her clinical expertise encompasses Osteomyelitis in Children, Type 2 Diabetes (T2D), Familial Hypertension, and Hypertension.

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

    Office

    142 Wallace Ave, 
    Downingtown, PA 
     (0.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Harmony Bonnes is a primary care provider, practicing in Family Medicine in Downingtown, Pennsylvania. Dr. Bonnes is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 12 other conditions, according to our data. Her clinical expertise encompasses Vitamin D Deficiency, Obesity, High Cholesterol, and Nasal Flaring.

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

    Chester County Medical Associates

    797 East Lancaster Avenue, Suite 17, 
    Downingtown, PA 
     (1.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Leonard Giunta is a primary care provider, practicing in Family Medicine in Downingtown, Pennsylvania. Dr. Giunta is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Chronic Obstructive Pulmonary Disease (COPD), Lung Metastases, Delirium, Colonoscopy, and Endoscopy. Dr. Giunta is board certified in Family Medicine, 1978. Dr. Giunta is currently accepting new patients.

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

    Milltown Family Medicine

    363 East Lancaster Avenue, 
    Downingtown, PA 
     (1.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    John Riccardo is a primary care provider, practicing in Family Medicine in Downingtown, Pennsylvania. Dr. Riccardo 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 Squamous Cell Lung Carcinoma, ALK-Positive Non-Small Cell Lung Cancer, Lung Adenocarcinoma, Endoscopy, and Hip Replacement. Dr. Riccardo is board certified in Family Medicine, 2004. Dr. Riccardo is currently accepting new patients.

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

    Office

    142 Wallace Ave Ste 201, 
    Downingtown, PA 
     (1.5 miles away)
    Languages Spoken:
    English

    Rannette Schurtz is a primary care provider, practicing in Family Medicine in Downingtown, Pennsylvania. Dr. Schurtz 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 Vitamin D Deficiency, Obesity in Children, Obesity, and High Cholesterol.

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

    Powerback Rehabilitation Exton

    501 Thomas Jones Way, 
    Exton, PA 
     (2.8 miles away)
    Languages Spoken:
    English

    Lyssa Hrisko is a Nurse Practitioner practicing medicine in Exton, Pennsylvania. Ms. Hrisko 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 B12 Deficiency, Seasonal Affective Disorder (SAD), and Relapsing Multiple Sclerosis (RMS).

    Experienced in Vitamin B12 Deficiency
    Physician Assistant
    Experienced in Vitamin B12 Deficiency
    Physician Assistant

    Ingleside Medical Assocs

    200 Municipal Dr, 
    Thorndale, PA 
     (2.8 miles away)
    Languages Spoken:
    English

    Ashley Alderfer is a Physician Assistant practicing medicine in Thorndale, Pennsylvania. Ms. Alderfer is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Vitamin B12 Deficiency.

    Showing 1-20 of 63

    Last Updated: 04/28/2026

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