The 20 Best Vitamin B12 Deficiency Doctors Near Me in mcallen, TX

Find the Top Vitamin B12 Deficiency Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 46 doctor with experience in Vitamin B12 Deficiency near mcallen, TX. Of these, 38 are Experienced, 6 are Advanced and 1 are Distinguished.

Location
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46 providers found
    Advanced in Vitamin B12 Deficiency
    Family Medicine
    Advanced in Vitamin B12 Deficiency
    Family Medicine

    Enrique Griego M.D.P.A.

    1900 S Jackson Rd Ste 9, 
    Mcallen, TX 
     (3.1 miles away)
    Languages Spoken:
    English, Spanish
    Accepting New Patients
    Offers Telehealth

    Enrique Griego is a primary care provider, practicing in Family Medicine in Mcallen, Texas. Dr. Griego is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 69 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Osteomyelitis in Children, Vitamin D Deficiency, and High Cholesterol. Dr. Griego is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Manuel J. Mercado MD PA

    502 S Cage Blvd, 
    Pharr, TX 
     (2.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Maximiliano Hernandez is a primary care provider, practicing in Internal Medicine in Pharr, Texas. Dr. Hernandez is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Psoriatic Arthritis, Psoriasis, Type 2 Diabetes (T2D), and Gastroparesis. Dr. Hernandez is currently accepting new patients.

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

    Alvaro M. Giraldo MD PA

    1200 E Savannah Ave Ste 13, 
    Mcallen, TX 
     (3.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Alvaro Giraldo is a primary care provider, practicing in Internal Medicine in Mcallen, Texas. Dr. Giraldo is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 35 other conditions, according to our data. His clinical expertise encompasses Osteomyelitis in Children, Type 2 Diabetes (T2D), Vitamin D Deficiency, and Hypertension. Dr. Giraldo is currently accepting new patients.

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

    DHR Health Clinic

    801 E Nolana Ave Ste 2, 
    Mcallen, TX 
     (4.8 miles away)
    Languages Spoken:
    English, Spanish
    Accepting New Patients

    Juan Salazar is a primary care provider, practicing in Internal Medicine in Mcallen, Texas. Dr. Salazar is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Hypertension, Gastroesophageal Reflux Disease (GERD), Maturity Onset Diabetes of the Young, and Ocular Hypertension (OHT). Dr. Salazar is currently accepting new patients.

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

    Office

    3512 Buddy Owens Ave, 
    Mcallen, TX 
     (3.5 miles away)
    Languages Spoken:
    English

    Jose Martinez is a primary care provider, practicing in Internal Medicine in Mcallen, Texas. Dr. Martinez is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Cellulitis, End-Stage Renal Disease (ESRD), Vitamin B12 Deficiency, Gastrostomy, and Endoscopy.

    Experienced in Vitamin B12 Deficiency
    Interventional Radiology
    Experienced in Vitamin B12 Deficiency
    Interventional Radiology
    Referral may be required

    Renaissance Medical Foundation

    5501 S Mccoll Rd, 
    Edinburg, TX 
     (3.7 miles away)
    Languages Spoken:
    English, Spanish
    Accepting New Patients

    Mario Moya is an Interventional Radiologist practicing medicine in Edinburg, Texas. Dr. Moya 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 Thyroid Nodule, Ascites, Pleurisy, Bone Marrow Aspiration, and Gastrostomy. Dr. Moya is board certified in American Board Of Interventional Radiology And Diagnostic Radiology. Dr. Moya is currently accepting new patients.

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

    Nelson A Mata

    603 S Nebraska Ave, 
    San Juan, TX 
     (4.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Nelson Mata is a primary care provider, practicing in Internal Medicine in San Juan, Texas. Dr. Mata is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Glossitis, Pernicious Anemia, Defective Apolipoprotein B-100, Homozygous Familial Hypercholesterolemia (HoFH), and Endoscopy. Dr. Mata is currently accepting new patients.

    Distinguished in Vitamin B12 Deficiency
    Internal Medicine
    Distinguished in Vitamin B12 Deficiency
    Internal Medicine

    Donna Medical Clonic

    307 N Salinas Blvd, 
    Donna, TX 
     (11.8 miles away)
    Languages Spoken:
    English, Spanish
    Accepting New Patients
    Offers Telehealth

    Harold Pean is a primary care provider, practicing in Internal Medicine in Donna, Texas. Dr. Pean is rated as a Distinguished provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 103 other conditions, according to our data. His clinical expertise encompasses Vitamin B12 Deficiency, Type 2 Diabetes (T2D), Subacute Combined Degeneration, and Vitamin D Deficiency. Dr. Pean is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Referral may be required

    Texas Oncology Pharmacy-McAllen

    1901 S Col Rowe Blvd, 
    Mcallen, TX 
     (1.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Alvaro Restrepo is a Hematologist and an Oncologist practicing medicine in Mcallen, Texas. Dr. Restrepo 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 Familial Colorectal Cancer, Paget Disease of the Breast, Colorectal Cancer, and Adult Soft Tissue Sarcoma. Dr. Restrepo is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency
    Referral may be required

    Texas Oncology Mcallen

    1901 S Col Rowe Blvd, 
    Mcallen, TX 
     (1.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Suresh Ratnam is an Oncologist practicing medicine in Mcallen, Texas. Dr. Ratnam 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 Non-Muscle Invasive Bladder Cancer, Muscle Invasive Bladder Cancer, Multiple Myeloma, and Large-Cell Immunoblastic Lymphoma. Dr. Ratnam is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency
    Referral may be required

    Texas Oncology Pharmacy-McAllen

    1901 S Col Rowe Blvd, 
    Mcallen, TX 
     (1.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Billie Marek is an Oncologist practicing medicine in Mcallen, Texas. Dr. Marek 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 Breast Cancer, Paget Disease of the Breast, Neuroendocrine Tumor, and Familial Colorectal Cancer. Dr. Marek is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency
    Referral may be required

    Texas Oncology Pharmacy-McAllen

    1901 S Col Rowe Blvd, 
    Mcallen, TX 
     (1.3 miles away)
    Languages Spoken:
    English, Arabic, French, Spanish
    Accepting New Patients
    Offers Telehealth

    Ghanem Daghestani is an Oncologist practicing medicine in Mcallen, Texas. Dr. Daghestani is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Familial Colorectal Cancer, Colorectal Cancer, Paget Disease of the Breast, and Inflammatory Breast Cancer. Dr. Daghestani is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Referral may be required

    Texas Oncology Pharmacy-McAllen

    1901 S Col Rowe Blvd, 
    Mcallen, TX 
     (1.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Guillermo Lazo is a Hematologist and an Oncologist practicing medicine in Mcallen, Texas. Dr. Lazo 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 Familial Colorectal Cancer, Thrombocytopenia, Hemangioma Thrombocytopenia Syndrome, and Paget Disease of the Breast. Dr. Lazo is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Nurse Practitioner
    Experienced in Vitamin B12 Deficiency
    Nurse Practitioner
    Referral may be required

    Texas Oncology PA

    1901 S 2nd St, 
    Mcallen, TX 
     (1.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Joyce Villasenor-Rocha is a Nurse Practitioner practicing medicine in Mcallen, Texas. Villasenor-Rocha, NP is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Vitamin B12 Deficiency. Villasenor-Rocha, NP is currently accepting new patients.

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

    Manuel J. Mercado MD PA

    502 S Cage Blvd, 
    Pharr, TX 
     (2.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Manuel Mercado is a primary care provider, practicing in Internal Medicine in Pharr, Texas. Dr. Mercado 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 Type 2 Diabetes (T2D), Hypertensive Heart Disease, Enlarged Liver, and Pediatric Myocarditis. Dr. Mercado is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency
    Referral may be required

    Rio Grande Neuroscience And Epilepsy Center

    1400 E Ridge Rd Ste 5, 
    Mcallen, TX 
     (3.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Kevin Mcmahon is a Neurologist practicing medicine in Mcallen, Texas. Dr. Mcmahon 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 Generalized Tonic-Clonic Seizure, Seizures, Cerebellar Degeneration, and Vitamin B12 Deficiency Anemia. Dr. Mcmahon is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Neurology
    Experienced in Vitamin B12 Deficiency
    Neurology
    Referral may be required

    South Texas Neurological Center P.A.

    1910 S 1st St Ste 200, 
    Mcallen, TX 
     (3.1 miles away)
    Languages Spoken:
    English, Spanish
    Accepting New Patients
    Offers Telehealth

    Ruy Mireles is a Neurologist practicing medicine in Mcallen, Texas. Dr. Mireles 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 Memory Loss, Seizures, Parkinson's Disease, and Progressive Myoclonic Epilepsy. Dr. Mireles is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Undersea and Hyperbaric Medicine
    Experienced in Vitamin B12 Deficiency
    Undersea and Hyperbaric Medicine
    Referral may be required

    Office

    222 E Ridge Rd Ste 215, 
    Mcallen, TX 
     (3.1 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English, Spanish
    Accepting New Patients

    Jorge Duarte-Solis is an Undersea and Hyperbaric Medicine provider practicing medicine in Mcallen, Texas. He has been practicing medicine for over 10 years. Dr. Duarte-Solis is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Vitamin B12 Deficiency and Vitamin D Deficiency. Dr. Duarte-Solis is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency
    Referral may be required

    Hilary Almeida MD PA

    222 E Ridge Rd Ste 116, 
    Mcallen, TX 
     (3.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Angelito De Dios is a Nephrologist practicing medicine in Mcallen, Texas. Dr. De Dios is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses End-Stage Renal Disease (ESRD), Acute Kidney Failure, Chronic Kidney Disease, and High Potassium Level. Dr. De Dios is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Sleep Medicine
    Experienced in Vitamin B12 Deficiency
    Sleep Medicine
    Referral may be required

    Palm Valley Medical Clinic PA

    5140 N 10th St, 
    Mcallen, TX 
     (3.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Noel Lopez is a Sleep Medicine provider practicing medicine in Mcallen, Texas. Dr. Lopez is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses End-Stage Renal Disease (ESRD), Vitamin D Deficiency, Obstructive Sleep Apnea, and Vitamin B12 Deficiency. Dr. Lopez is currently accepting new patients.

    Showing 1-20 of 46

    Last Updated: 09/26/2026

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