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    Last Updated: 01/09/2026

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    MediFind found 8 doctor with experience in Vitamin B12 Deficiency near Harlingen, TX. Of these, 7 are Experienced and 1 are Advanced.

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    8 providers found
      Experienced in Vitamin B12 Deficiency
      Experienced in Vitamin B12 Deficiency

      Andrew Levine MD PA

      2101 Pease St, 
      Harlingen, TX 
       (1.9 miles away)
      Languages Spoken:
      English, Spanish
      Accepting New Patients

      Andrew Levine is a Nephrologist in Harlingen, Texas. Dr. Levine 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, Renovascular Hypertension, Nephrectomy, and Reconstructive Urology Surgery. Dr. Levine is currently accepting new patients.

      Experienced in Vitamin B12 Deficiency
      Family Medicine | Hospital Medicine
      Experienced in Vitamin B12 Deficiency
      Family Medicine | Hospital Medicine

      Bhs Physicians Network, Inc

      2101 Pease St, 
      Harlingen, TX 
       (1.9 miles away)
      Languages Spoken:
      English, Spanish
      Accepting New Patients

      Mark Weisberg is a Hospital Medicine provider in Harlingen, Texas. Dr. Weisberg 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), Gallbladder Disease, Vitamin D Deficiency, Gastrostomy, and Hip Replacement. Dr. Weisberg is currently accepting new patients.

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

      Jason Edward Peters, M.D., P.A.

      2106 Hale Ave, 
      Harlingen, TX 
       (2.2 miles away)
      Languages Spoken:
      English, Spanish

      Jason Peters is a primary care provider, practicing in Family Medicine in Harlingen, Texas. Dr. Peters is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are High Cholesterol, Viral Gastroenteritis, Colitis, and Cirrhosis.

      Learn about our expert tiers
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      512 Victoria Ln, Suite 4, 
      Harlingen, TX 
       (2.6 miles away)
      Languages Spoken:
      English, Hindi, Spanish
      Accepting New Patients
      Offers Telehealth

      Shridhar Kotta is a primary care provider, practicing in Internal Medicine in Harlingen, Texas. Dr. Kotta is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Lung Metastases, Type 2 Diabetes (T2D), Urinary Tract Infection in Children, Gastrostomy, and Endoscopy. Dr. Kotta is currently accepting new patients.

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

      Arroyo Vista Family Medicine

      1206 S F St Ste 1, 
      Harlingen, TX 
       (4.8 miles away)
      Languages Spoken:
      English

      Samuel Landero is a primary care provider, practicing in Family Medicine in Harlingen, Texas. Dr. Landero is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Xanthoma, Familial Combined Hyperlipidemia, Cirrhosis, and Familial Dilated Cardiomyopathy.

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

      University Of Texas Rio Grande Valley

      2902 Haine Dr, 
      Harlingen, TX 
       (4.8 miles away)
      Languages Spoken:
      English, Vietnamese
      Accepting New Patients

      Diane Nguyen is an Oncologist and a Hematologist in Harlingen, Texas. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Subacute Combined Degeneration, Anemia, Lung Cancer, and Vitamin B12 Deficiency. Dr. Nguyen is currently accepting new patients.

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

      Monzer H Yazji MD And Associates PLLC

      351 N Sam Houston Blvd, 
      San Benito, TX 
       (5.7 miles away)
      Languages Spoken:
      English, Spanish
      Accepting New Patients

      Joy Kroes is a primary care provider, practicing in Family Medicine in San Benito, Texas. Dr. Kroes is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Type 2 Diabetes (T2D), Diabetic Neuropathy, Tracheitis, and Obesity in Children. Dr. Kroes is currently accepting new patients.

      Advanced in Vitamin B12 Deficiency
      Internal Medicine
      Advanced in Vitamin B12 Deficiency
      Internal Medicine

      Pedro J. Penalo, M.D., PLLC

      330 N Ohio Ave, 
      Mercedes, TX 
       (13.6 miles away)
      Languages Spoken:
      English, Spanish
      Accepting New Patients

      Pedro Penalo is a primary care provider, practicing in Internal Medicine in Mercedes, Texas. Dr. Penalo is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Type 2 Diabetes (T2D), Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Hypertension. Dr. Penalo is currently accepting new patients.

      Showing 1-8 of 8

      Last Updated: 01/09/2026

      When should I see a Vitamin B12 Deficiency doctor near Harlingen, TX?

      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 Harlingen, TX?

      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 Harlingen, TX?

      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 Harlingen, TX?

      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 Harlingen, TX?

      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 Harlingen, TX?

      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 Harlingen, TX?

      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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