The 20 Best Vitamin B12 Deficiency Doctors Near Me in West Covina, CA

Find the Top Vitamin B12 Deficiency Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 106 doctor with experience in Vitamin B12 Deficiency near West Covina, CA. Of these, 94 are Experienced and 12 are Advanced.

Location
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106 providers found
    Experienced in Vitamin B12 Deficiency
    General Practice | Internal Medicine
    Experienced in Vitamin B12 Deficiency
    General Practice | Internal Medicine

    Office

    1840 N Hacienda Blvd Ste 6, 
    La Puente, CA 
     (2.6 miles away)
    Languages Spoken:
    English

    Jesus Arenas is a primary care provider, practicing in General Practice and Internal Medicine in La Puente, California. Dr. Arenas is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Arthritis, Hypertensive Heart Disease, Enlarged Liver, and Type 2 Diabetes (T2D).

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

    Office

    2425 S Azusa Ave, 
    West Covina, CA 
     (2.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Armen Nercessian is a primary care provider, practicing in Family Medicine in West Covina, California. Dr. Nercessian 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 Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Type 2 Diabetes (T2D).

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

    Southern California Medical Centers Inc.

    12100 Valley Blvd Ste 109A, 
    El Monte, CA 
     (4.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Nona Ahankoob is a primary care provider, practicing in Internal Medicine in El Monte, California. Dr. Ahankoob is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 13 other conditions, according to our data. Her clinical expertise encompasses Vitamin D Deficiency, High Cholesterol, Obesity, and Type 2 Diabetes (T2D). Dr. Ahankoob is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Vitamin B12 Deficiency
    Endocrinology
    Experienced in Vitamin B12 Deficiency
    Endocrinology

    Behrouz Salehian, M.D.

    1500 Duarte Rd, 
    Duarte, CA 
     (4.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Behrouz Salehian is an Endocrinologist practicing medicine in Duarte, California. Dr. Salehian is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 84 other conditions, according to our data. His clinical expertise encompasses Thyroid Cancer, Anaplastic Thyroid Cancer, Papillary Thyroid Cancer, and Medullary Thyroid Carcinoma.

    Advanced in Vitamin B12 Deficiency
    Advanced in Vitamin B12 Deficiency

    Citrus Treatment Center

    1135 S Sunset Ave Ste 207, 
    West Covina, CA 
     (0.2 miles away)
    Languages Spoken:
    English

    Brian Leberthon is a Hematologist practicing medicine in West Covina, California. Dr. Leberthon is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 39 other conditions, according to our data. His clinical expertise encompasses Polycythemia Vera, Familial Prostate Cancer, Protein S Deficiency, and Hereditary Resistance to Anti-Vitamin K.

    Advanced in Vitamin B12 Deficiency
    Internal Medicine | Rheumatology
    Advanced in Vitamin B12 Deficiency
    Internal Medicine | Rheumatology

    Metyas, Samy, M.D., Inc.

    500 W San Bernardino Rd, 
    Covina, CA 
     (2.7 miles away)
    Experience:
    37+ years
    Languages Spoken:
    English

    Samy Metyas is an Internal Medicine specialist and a Rheumatologist practicing medicine in Covina, California. He has been practicing medicine for over 37 years. Dr. Metyas is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 54 other conditions, according to our data. His clinical expertise encompasses Fibromyalgia, Rheumatoid Arthritis (RA), Osteoporosis, and Postmenopausal Osteoporosis. Dr. Metyas is board certified in American Board Of Internal Medicine.

    Advanced in Vitamin B12 Deficiency
    Gastroenterology
    Advanced in Vitamin B12 Deficiency
    Gastroenterology

    Boston Medical And Surgical Dermatology

    247 W San Bernardino Rd, 
    Covina, CA 
     (3.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Shahnawaz Jaffer is a Gastroenterologist practicing medicine in Covina, California. Dr. Jaffer is rated as an Advanced 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 VIPoma, Diverticular Disease, Esophagitis, Colonoscopy, and Gastrectomy.

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

    The Oncology Institute Of Hope And Innovation

    101 E. Beverly Blvd., Ste 200, 
    Montebello, CA 
     (9.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    To provide our patients with compassionate quality medical care. Dr. Rupani 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 Myelodysplastic Syndrome (MDS), Paget Disease of the Breast, Breast Cancer, and Familial Colorectal Cancer. Dr. Rupani is board certified in Internal Medicine, Internal Medicine (Sub: Hematology), and Internal Medicine (Sub: Medical Oncology). Dr. Rupani is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Laboratory Medicine
    Experienced in Vitamin B12 Deficiency
    Laboratory Medicine

    Office

    1535 W Merced Ave Ste 201, 
    West Covina, CA 
     (0.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Mark Samonte is a Laboratory Medicine provider practicing medicine in West Covina, California. Dr. Samonte is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Schizoaffective Disorder, Seasonal Affective Disorder (SAD), Anemia, Gastrostomy, and Endoscopy.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Emanate Health Queen Of The Valley Hospital

    1115 S Sunset Ave, 
    West Covina, CA 
     (0.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Naveed Khan is an Oncologist practicing medicine in West Covina, California. Dr. Khan is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 30 other conditions, according to our data. His clinical expertise encompasses Anemia, Thrombocytopenia, Deep Vein Thrombosis, Familial Colorectal Cancer, and Pacemaker Implantation.

    Experienced in Vitamin B12 Deficiency
    Obstetrics and Gynecology
    Experienced in Vitamin B12 Deficiency
    Obstetrics and Gynecology

    San Gabriel Valley Perinatal Medical Group, Inc

    1135 S Sunset Ave, 
    West Covina, CA 
     (0.6 miles away)
    Experience:
    22+ years
    Languages Spoken:
    English

    Richard Burwick is an Obstetrics and Gynecologist practicing medicine in West Covina, California. He has been practicing medicine for over 22 years. Dr. Burwick is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses HELLP Syndrome, Preeclampsia, Polyhydramnios, and Atypical Hemolytic Uremic Syndrome (aHUS). Dr. Burwick is board certified in American Board Of Obstetrics And Gynecology.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Cary Presant, M.D., F.A.C.C.

    1250 S Sunset Ave Ste 303, 
    West Covina, CA 
     (0.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Cary Presant is an Oncologist practicing medicine in West Covina, California. Dr. Presant 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 Ovarian Carcinosarcoma, Virilizing Ovarian Tumor, Primitive Neuroectodermal Tumor (PNET), and Posterior Fossa Tumor.

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

    Office

    1220 S Glendora Ave, 
    West Covina, CA 
     (1.0 miles away)
    Languages Spoken:
    English

    Harold Gomez is a Nurse Practitioner practicing medicine in West Covina, California. Mr. Gomez is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Vitamin B12 Deficiency, Histidinemia, and Lung Nodules.

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

    1 Community Wellness & Health Inc

    14461 Merced Ave Ste 203, 
    Baldwin Park, CA 
     (1.3 miles away)
    Languages Spoken:
    English

    Evelyn Basco is a Family Medicine provider practicing medicine in Baldwin Park, California. Dr. Basco is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Processing Deficient Progeroid Laminopathies (PDPL), Vitamin D Deficiency, and Vitamin B12 Deficiency.

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

    CBC Rose Clinic Pharmacy

    420 W Rowland St, 
    Covina, CA 
     (2.5 miles away)
    Languages Spoken:
    English

    Jerry Cimmarusti is a primary care provider, practicing in Internal Medicine in Covina, California. Dr. Cimmarusti is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Subacute Combined Degeneration, Glossitis, Pernicious Anemia, and Hypertension.

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

    Baldwin Park Medical Center

    1011 Balwin Park Boulevard, 
    Baldwin Park, CA 
     (2.6 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Accepting New Patients

    Alev Brown is a Hematologist and an Oncologist practicing medicine in Baldwin Park, California. She has been practicing medicine for over 17 years. Dr. Brown is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Angiosarcoma, Inflammatory Breast Cancer, Breast Cancer, and Stomach Cancer. Dr. Brown is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Internal Medicine | Rheumatology
    Experienced in Vitamin B12 Deficiency
    Internal Medicine | Rheumatology

    Metyas, Samy, M.D., Inc.

    500 W San Bernardino Rd, 
    Covina, CA 
     (2.7 miles away)
    Experience:
    14+ years
    Languages Spoken:
    English

    Christina Chen is an Internal Medicine specialist and a Rheumatologist practicing medicine in Covina, California. She has been practicing medicine for over 14 years. Dr. Chen is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 28 other conditions, according to our data. Her clinical expertise encompasses Fibromyalgia, Sjogren Syndrome, Psoriasis, and Postmenopausal Osteoporosis. Dr. Chen is board certified in American Board Of Internal Medicine.

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

    Dagher MD Medical Group, Inc.

    376 W Badillo St, 
    Covina, CA 
     (2.7 miles away)
    Experience:
    33+ years
    Languages Spoken:
    English
    Offers Telehealth

    Nadim Dagher is a primary care provider, practicing in Internal Medicine in Covina, California. He has been practicing medicine for over 33 years. Dr. Dagher is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Osteomyelitis in Children, Axillary Nerve Dysfunction, Erectile Dysfunction (ED), and Persistent Genital Arousal Disorder. Dr. Dagher is board certified in American Board Of Internal Medicine.

    Experienced in Vitamin B12 Deficiency
    Geriatrics
    Experienced in Vitamin B12 Deficiency
    Geriatrics

    Office

    250 W Badillo St, 
    Covina, CA 
     (2.9 miles away)
    Languages Spoken:
    English

    Robert Baker is a primary care provider, practicing in Geriatrics in Covina, California. Dr. Baker 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 Tracheitis, Shingles, Familial Hypertension, Hypertension, and Hip Replacement.

    Experienced in Vitamin B12 Deficiency
    Geriatrics | Physician Assistant | Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Geriatrics | Physician Assistant | Internal Medicine

    Vital Health Medical Group, Inc.

    2418 S Azusa Ave, 
    West Covina, CA 
     (2.9 miles away)
    Experience:
    30+ years
    Languages Spoken:
    English

    Marcel Filart is a primary care provider, practicing in Internal Medicine and Physician Assistant in West Covina, California. He has been practicing medicine for over 30 years. Mr. Filart is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 64 other conditions, according to our data. His clinical expertise encompasses Acute Kidney Failure, Sepsis, Dehydration, Gastrostomy, and Prostatectomy. Mr. Filart is board certified in American Board Of Internal Medicine.

    Showing 1-20 of 106

    Last Updated: 04/28/2026

    When should I see a Vitamin B12 Deficiency doctor near West Covina, CA?

    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 West Covina, CA?

    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 West Covina, CA?

    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 West Covina, CA?

    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 West Covina, CA?

    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 West Covina, CA?

    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 West Covina, CA?

    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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