The 20 Best Vitamin B12 Deficiency Doctors Near Me in Mason City, IA

Find the Top Vitamin B12 Deficiency Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 14 doctor with experience in Vitamin B12 Deficiency near Mason City, IA. Of these, 14 are Experienced.

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14 providers found
    Experienced in Vitamin B12 Deficiency
    Family Medicine | Otolaryngology
    Experienced in Vitamin B12 Deficiency
    Family Medicine | Otolaryngology

    MercyOne Forest Park Family Medicine

    1010 4th Street Southwest, Suite 120, 
    Mason City, IA 
     (0.1 miles away)
    Languages Spoken:
    English

    Joseph Behr is an Otolaryngologist and a Family Medicine provider practicing medicine in Mason City, Iowa. Dr. Behr is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Vertigo, Obstructive Sleep Apnea, and Empyema. Dr. Behr is board certified in American Board Of Family Medicine.

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

    MercyOne North Iowa Women's Health Care And Internal Medicine

    1631 4th Street Southwest, Suite 114B, 
    Mason City, IA 
     (0.1 miles away)
    Languages Spoken:
    English

    Janice Kirsch is a primary care provider, practicing in Family Medicine in Mason City, Iowa. Dr. Kirsch is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 26 other conditions, according to our data. Her clinical expertise encompasses Heart Failure with Preserved Ejection Fraction (HFpEF), Sciatica, Glucocorticoid-Remediable Aldosteronism, Colonoscopy, and Endoscopy. Dr. Kirsch is board certified in American Board Of Internal Medicine.

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

    MercyOne Forest Park Family Medicine

    1010 4th Street Southwest, Suite 120, 
    Mason City, IA 
     (0.1 miles away)
    Languages Spoken:
    English

    John Boedeker is a primary care provider, practicing in Family Medicine in Mason City, Iowa. Dr. Boedeker is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Familial Hypertension, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Otitis. Dr. Boedeker is board certified in American Board Of Family Medicine.

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

    North Iowa Mercy Clinics

    1010 4th St SW Ste 340, 
    Mason City, IA 
     (0.1 miles away)
    Languages Spoken:
    English

    David Ruen is a primary care provider, practicing in Family Medicine in Mason City, Iowa. Dr. Ruen is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Coach Syndrome, Lissencephaly, Agyria Pachygyria Polymicrogyria, and VLDLR-Associated Cerebellar Hypoplasia.

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

    North Iowa Mercy Clinics

    1010 4th St SW Ste 120, 
    Mason City, IA 
     (0.1 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English

    Travis Johnson is a Family Medicine provider practicing medicine in Mason City, Iowa. He has been practicing medicine for over 10 years. Dr. Johnson is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Muscle Spasms, Seasonal Affective Disorder (SAD), and Vitamin B12 Deficiency.

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

    Office

    1631 4th St SW Ste 114B, 
    Mason City, IA 
     (0.1 miles away)
    Languages Spoken:
    English

    Melissa Frame is a primary care provider, practicing in Internal Medicine in Mason City, Iowa. Dr. Frame is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Colorectal Cancer, Familial Colorectal Cancer, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Office

    621 S Illinois Ave Ste 103, 
    Mason City, IA 
     (0.1 miles away)
    Languages Spoken:
    English

    Steven Snyder is a Hematologist practicing medicine in Mason City, Iowa. Dr. Snyder 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 Non-Hodgkin Lymphoma, Colorectal Cancer, Pleuropulmonary Blastoma, Lung Cancer, and Bone Marrow Aspiration.

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

    Mason City Clinic

    250 S Crescent Dr, 
    Mason City, IA 
     (0.6 miles away)
    Languages Spoken:
    English

    Rebecca Zwanziger is a Nurse Practitioner practicing medicine in Mason City, Iowa. Ms. Zwanziger is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Periodic Limb Movement Disorder and Vitamin B12 Deficiency.

    Experienced in Vitamin B12 Deficiency
    Hematology
    Experienced in Vitamin B12 Deficiency
    Hematology

    Mercyone North Iowa Medical Center

    1000 4th St SW, 
    Mason City, IA 
     (0.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Nidhi Mishra is a Hematologist practicing medicine in Mason City, Iowa. Dr. Mishra is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 55 other conditions, according to our data. Her clinical expertise encompasses Paget Disease of the Breast, Pleuropulmonary Blastoma, Lung Cancer, and Small Cell Lung Cancer (SCLC).

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

    Mercyone North Iowa Medical Center

    1000 4th St SW, 
    Mason City, IA 
     (0.7 miles away)
    Languages Spoken:
    English

    Patrick Dunlay is a primary care provider, practicing in Internal Medicine in Mason City, Iowa. Dr. Dunlay 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 Familial Hypertension, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Renovascular Hypertension.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    MercyOne North Iowa Medical Center

    1000 4th St SW, 
    Mason City, IA 
     (0.7 miles away)
    Languages Spoken:
    English

    Scott Miller is an Oncologist practicing medicine in Mason City, Iowa. Dr. Miller is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 27 other conditions, according to our data. His clinical expertise encompasses Lung Cancer, Small Cell Lung Cancer (SCLC), Colorectal Cancer, and Familial Colorectal Cancer.

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

    North Iowa Mercy Clinics

    1000 4th St Sw, 
    Mason City, IA 
     (0.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Heidi Smith is a Nurse Practitioner practicing medicine in Mason City, Iowa. Ms. Smith 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 ALK-Positive Non-Small Cell Lung Cancer, Smoldering Multiple Myeloma, Febrile Neutropenia, and Small Lymphocytic Lymphoma (SLL). Ms. Smith is currently accepting new patients.

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

    MercyOne Clear Lake Family Medicine

    1410 6th Avenue South, 
    Clear Lake, IA 
     (9.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Tracy Mixdorf is a primary care provider, practicing in Family Medicine in Clear Lake, Iowa. Dr. Mixdorf is rated as an Experienced 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 Limb-Girdle Muscular Dystrophy Type 1A, Limb-Girdle Muscular Dystrophy Type 2B, Limb-Girdle Muscular Dystrophy Type 2A, and Limb-Girdle Muscular Dystrophy Type 1B. Dr. Mixdorf is board certified in American Board Of Family Medicine.

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

    Waypoint Medical LLC

    1801 US Highway 18 E, 
    Clear Lake, IA 
     (8.3 miles away)
    Languages Spoken:
    English

    John Brady is a primary care provider, practicing in Family Medicine in Clear Lake, Iowa. Dr. Brady 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 Tetanus, Maturity Onset Diabetes of the Young, Tracheitis, and Hypertension.

    Showing 1-14 of 14

    Last Updated: 04/28/2026

    When should I see a Vitamin B12 Deficiency doctor near Mason City, IA?

    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 Mason City, IA?

    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 Mason City, IA?

    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 Mason City, IA?

    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 Mason City, IA?

    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 Mason City, IA?

    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 Mason City, IA?

    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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