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    Last Updated: 01/09/2026

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    MediFind found 272 doctor with experience in Vitamin B12 Deficiency near Wisconsin, US. Of these, 264 are Experienced, 6 are Advanced and 2 are Distinguished.

    Location
    LocationClose
    272 providers found
      Timothy F. Goggins
      Experienced in Vitamin B12 Deficiency
      Hematology | Oncology
      Experienced in Vitamin B12 Deficiency
      Hematology | Oncology

      Vince Lombardi Cancer Clinic

      W180N11070 River Ln, 
      Germantown, WI 
      Languages Spoken:
      English
      Offers Telehealth

      Timothy Goggins is a Hematologist and an Oncologist in Germantown, Wisconsin. Dr. Goggins is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Non-Hodgkin Lymphoma, Colorectal Cancer, Familial Colorectal Cancer, and Testicular Yolk Sac Tumor.

      Hassaan R. Jafri
      Experienced in Vitamin B12 Deficiency
      Hematology | Oncology
      Experienced in Vitamin B12 Deficiency
      Hematology | Oncology

      Vince Lombardi Cancer Clinic

      855 N Westhaven Dr, 
      Oshkosh, WI 
      Languages Spoken:
      English

      Hassaan Jafri is a Hematologist and an Oncologist in Oshkosh, Wisconsin. Dr. Jafri is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Saddle Pulmonary Embolism, Follicular Lymphoma, Malabsorption, Non-Small Cell Lung Cancer (NSCLC), and Salpingo-Oophorectomy.

      Demet G. Yasar
      Experienced in Vitamin B12 Deficiency
      Experienced in Vitamin B12 Deficiency

      Vince Lombardi Cancer Clinic

      2845 Greenbrier Rd, Ste 250, 
      Green Bay, WI 
      Languages Spoken:
      English
      Offers Telehealth

      Demet Yasar is a Hematologist in Green Bay, Wisconsin. Dr. Yasar is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Myelodysplastic Syndrome (MDS), Thrombocytopenia, ALK-Positive Non-Small Cell Lung Cancer, and Schnitzler Syndrome.

      Learn about our expert tiers
      Jeffrey K. Bahr
      Advanced in Vitamin B12 Deficiency
      Internal Medicine
      Advanced in Vitamin B12 Deficiency
      Internal Medicine

      Aurora Advanced Healthcare, Inc.

      1055 N Mayfair Rd, 
      Wauwatosa, WI 
      Languages Spoken:
      English
      Accepting New Patients

      Jeffrey Bahr is a primary care provider, practicing in Internal Medicine in Wauwatosa, Wisconsin. Dr. Bahr is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, High Cholesterol, and Intrauterine Device Insertion. Dr. Bahr is currently accepting new patients.

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

      Froedtert Andthe Medical College Of Wisconsin Community Physicians Inc

      1700 W Paradise Dr, 
      West Bend, WI 
      Languages Spoken:
      English, Croatian, Serbian
      Accepting New Patients
      Offers Telehealth

      Zoran Gajic is a primary care provider, practicing in Internal Medicine in West Bend, Wisconsin. Dr. Gajic is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Lung Cancer, Hypothyroidism, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension. Dr. Gajic is currently accepting new patients.

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

      Ascension Medical Group-Southeast Wisconsin Inc

      1120 Main St, 
      Union Grove, WI 
      Experience:
      10+ years
      Languages Spoken:
      English
      Accepting New Patients

      Laurie Potratz is a primary care provider, practicing in Family Medicine in Union Grove, Wisconsin. Dr. Potratz has been practicing medicine for over 10 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Vitamin B12 Deficiency Anemia, Multiple Carboxylase Deficiency, Folate Deficiency, and Subacute Combined Degeneration. Dr. Potratz is currently accepting new patients.

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

      Aurora Cancer Care

      8400 Washington Ave, Ste 203, 
      Racine, WI 
      Experience:
      17+ years
      Languages Spoken:
      English
      Offers Telehealth

      Syed Hassan is a Hematologist and an Oncologist in Racine, Wisconsin. Dr. Hassan has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Polycythemia Vera, Small Cell Lung Cancer (SCLC), Lung Cancer, and Pleuropulmonary Blastoma.

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

      Froedtert Andthe Medical College Of Wisconsin Community Physicians Inc

      1700 W Paradise Dr, 
      West Bend, WI 
      Languages Spoken:
      English
      Accepting New Patients

      Nicole Klausmeier is a primary care provider, practicing in Internal Medicine in West Bend, Wisconsin. Dr. Klausmeier is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Hypothyroidism, Obesity in Children, Melorheostosis, and Melorheostosis with Osteopoikilosis. Dr. Klausmeier is currently accepting new patients.

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

      Froedtert Andthe Medical College Of Wisconsin Community Physicians Inc

      840 N 87th St, 
      Milwaukee, WI 
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Laura Kleczka is a primary care provider, practicing in Internal Medicine in Milwaukee, Wisconsin. Dr. Kleczka is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Diabetic Nephropathy. Dr. Kleczka is currently accepting new patients.

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

      Froedtert Andthe Medical College Of Wisconsin Community Physicians Inc

      1700 W Paradise Dr, 
      West Bend, WI 
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Michael Schneider is a primary care provider, practicing in Internal Medicine in West Bend, Wisconsin. Dr. Schneider is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Crohn's Disease, Heart Failure, Vitamin B12 Deficiency Anemia, and Folate Deficiency. Dr. Schneider is currently accepting new patients.

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

      Froedtert Andthe Medical College Of Wisconsin Community Physicians Inc

      W129n7055 Northfield Dr, 
      Menomonee Falls, WI 
      Languages Spoken:
      English, Hmong, Spanish
      Accepting New Patients
      Offers Telehealth

      Michael Martella is a primary care provider, practicing in Family Medicine in Menomonee Falls, Wisconsin. Dr. Martella is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Camptocormism, Conversion Disorder, Maturity Onset Diabetes of the Young, and Type 2 Diabetes (T2D). Dr. Martella is currently accepting new patients.

      Distinguished in Vitamin B12 Deficiency
      Hematology Oncology | Hematology | Oncology
      Distinguished in Vitamin B12 Deficiency
      Hematology Oncology | Hematology | Oncology

      Froedtert South Inc

      9555 76th St, 
      Pleasant Prairie, WI 
      Languages Spoken:
      English
      Accepting New Patients

      Syed Haider is a Hematologist Oncology specialist and a Hematologist in Pleasant Prairie, Wisconsin. Dr. Haider is rated as a Distinguished provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Immune Thrombocytopenic Purpura (ITP), Adult Immune Thrombocytopenia, Hemangioma Thrombocytopenia Syndrome, and Paget Disease of the Breast. Dr. Haider is currently accepting new patients.

      Distinguished in Vitamin B12 Deficiency
      Family Medicine
      Distinguished in Vitamin B12 Deficiency
      Family Medicine

      Thedacare Incorporated

      4480 W Spencer St, 
      Appleton, WI 
      Languages Spoken:
      English, German
      Accepting New Patients

      Paul Sletten is a primary care provider, practicing in Family Medicine in Appleton, Wisconsin. Dr. Sletten is rated as a Distinguished provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Glossitis, Pernicious Anemia, Vitamin B12 Deficiency, and Subacute Combined Degeneration. Dr. Sletten is currently accepting new patients.

      Maggie K. Zaki
      Experienced in Vitamin B12 Deficiency
      Family Medicine
      Experienced in Vitamin B12 Deficiency
      Family Medicine

      Aurora Family Medicine

      6901 W Edgerton Ave, 
      Greenfield, WI 
      Languages Spoken:
      English, Arabic

      Maggie Zaki is a primary care provider, practicing in Family Medicine in Greenfield, Wisconsin. Dr. Zaki is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Biliary Hypoplasia, Familial Hypertrophic Cardiomyopathy, Sengers Syndrome, and Type 2 Diabetes (T2D).

      Ammar Alzoubi
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Internal Medicine

      Aurora Internal Medicine

      855 N Westhaven Dr 2nd Fl, 
      Oshkosh, WI 
      Languages Spoken:
      English

      Ammar Alzoubi is a primary care provider, practicing in Internal Medicine in Oshkosh, Wisconsin. Dr. Alzoubi is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are End-Stage Renal Disease (ESRD), Pulmonary Embolism, Type 2 Diabetes (T2D), and Sitosterolemia.

      Stephen C. Lamberton
      Experienced in Vitamin B12 Deficiency
      Family Medicine
      Experienced in Vitamin B12 Deficiency
      Family Medicine

      Aurora Family Medicine

      5900 S Lake Dr 2nd Fl, 
      Cudahy, WI 
      Languages Spoken:
      English

      Stephen Lamberton is a primary care provider, practicing in Family Medicine in Cudahy, Wisconsin. Dr. Lamberton is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Infant Hyperglycemia, Scoliosis, Glossitis, and Pernicious Anemia.

      Matthew H. Hanna
      Experienced in Vitamin B12 Deficiency
      Experienced in Vitamin B12 Deficiency

      Milwaukee Nephrologists, SC

      5650 N Green Bay Ave, 
      Glendale, WI 
      Languages Spoken:
      English

      Matthew Hanna is a Nephrologist in Glendale, Wisconsin. Dr. Hanna is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Acute Kidney Failure, and May Thurner Syndrome.

      Joshua Peterson
      Experienced in Vitamin B12 Deficiency
      Family Medicine
      Experienced in Vitamin B12 Deficiency
      Family Medicine

      Aurora Family Medicine

      1061 E Commerce Blvd, 
      Slinger, WI 
      Languages Spoken:
      English

      Joshua Peterson is a primary care provider, practicing in Family Medicine in Slinger, Wisconsin. Dr. Peterson is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Angiomyoma, Nutcracker Syndrome (NCS), Gastric Lymphoma, Thyroid Dysgenesis, and Tenotomy.

      Malik T. Bandealy
      Advanced in Vitamin B12 Deficiency
      Hematology | Oncology
      Advanced in Vitamin B12 Deficiency
      Hematology | Oncology

      Vince Lombardi Cancer Clinic

      6811 118th Ave, 
      Kenosha, WI 
      Languages Spoken:
      English, Hindi, Urdu
      Offers Telehealth

      Malik Bandealy is a Hematologist and an Oncologist in Kenosha, Wisconsin. Dr. Bandealy is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Angiosarcoma, Paget Disease of the Breast, Thrombocytopenia, and Adult Immune Thrombocytopenia.

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

      Charles J Waisbren, MD, SC

      201 N Mayfair Rd, 
      Wauwatosa, WI 
      Languages Spoken:
      English

      Charles Waisbren is a primary care provider, practicing in Internal Medicine in Wauwatosa, Wisconsin. Dr. Waisbren is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Transient Familial Hyperbilirubinemia, Thyroid Dysgenesis, Newborn Jaundice, and Congenital Hypothyroidism.

      Showing 1-20 of 272

      Last Updated: 01/09/2026

      When should I see a Vitamin B12 Deficiency doctor in Wisconsin, 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 Wisconsin, 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 Wisconsin, 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 Wisconsin, 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 Wisconsin, 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 Wisconsin, 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 Wisconsin, 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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