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    Last Updated: 10/30/2025

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    MediFind found 89 doctor with experience in Vitamin B12 Deficiency near Covina, CA. Of these, 81 are Experienced, 7 are Advanced and 1 are Distinguished.

    Location
    LocationClose
    89 providers found
      Experienced in Vitamin B12 Deficiency
      Hematology Oncology | Hematology
      Experienced in Vitamin B12 Deficiency
      Hematology Oncology | Hematology

      City Of Hope Medical Foundation

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

      Cary Presant is a Hematologist Oncology specialist and a Hematologist in West Covina, California. Dr. Presant is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Ovarian Carcinosarcoma, Virilizing Ovarian Tumor, Posterior Fossa Tumor, and Primitive Neuroectodermal Tumor (PNET).

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

      City Of Hope Medical Foundation

      301 W Huntington Dr, Suite 400, 
      Arcadia, CA 
       (9.3 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Samuel Chung is a Hematologist Oncology specialist and an Oncologist in Arcadia, California. Dr. Chung is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Familial Colorectal Cancer, Colorectal Cancer, Posterior Fossa Tumor, and Primitive Neuroectodermal Tumor (PNET).

      What does Elite, Distinguished, Advanced, Experienced mean?
      Advanced in Vitamin B12 Deficiency
      Gastroenterology
      Advanced in Vitamin B12 Deficiency
      Gastroenterology
      247 W San Bernardino Rd, 
      Covina, CA 
       (0.2 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Shahnawaz Jaffer is a Gastroenterologist in Covina, California. Dr. Jaffer is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are VIPoma, Diverticular Disease, Esophagitis, Colonoscopy, and Gastrectomy.

      Learn about our expert tiers
      Advanced in Vitamin B12 Deficiency
      Rheumatology
      Advanced in Vitamin B12 Deficiency
      Rheumatology

      Samy Metyas M.D. Inc

      500 W San Bernardino Rd, Suite A, 
      Covina, CA 
       (0.5 miles away)
      Languages Spoken:
      English

      Samy Metyas is a Rheumatologist in Covina, California. Dr. Metyas is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Fibromyalgia, Rheumatoid Arthritis (RA), Osteoporosis, and Postmenopausal Osteoporosis.

      Advanced in Vitamin B12 Deficiency
      Hematology Oncology | Hematology | Oncology
      Advanced in Vitamin B12 Deficiency
      Hematology Oncology | Hematology | Oncology
      1135 S Sunset Ave, Suite 207, 
      West Covina, CA 
       (3.7 miles away)
      Languages Spoken:
      English

      Brian Leberthon is a Hematologist Oncology specialist and a Hematologist in West Covina, California. Dr. Leberthon is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Polycythemia Vera, Familial Prostate Cancer, Congenital Antithrombin 3 Deficiency, and Protein S Deficiency.

      Experienced in Vitamin B12 Deficiency
      Family Medicine | Geriatrics
      Experienced in Vitamin B12 Deficiency
      Family Medicine | Geriatrics
      250 W Badillo St, 
      Covina, CA 
       (0.3 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Robert Baker is a primary care provider, practicing in Family Medicine and Geriatrics in Covina, California. Dr. Baker is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Tracheitis, Shingles, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Hip Replacement.

      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      376 W Badillo St, 
      Covina, CA 
       (0.4 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Nadim Dagher is a primary care provider, practicing in Internal Medicine in Covina, California. Dr. Dagher is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Osteomyelitis in Children, Axillary Nerve Dysfunction, Erectile Dysfunction (ED), and Persistent Genital Arousal Disorder.

      Experienced in Vitamin B12 Deficiency
      Experienced in Vitamin B12 Deficiency

      Samy Metyas M.D. Inc

      500 W San Bernardino Rd, Suite A, 
      Covina, CA 
       (0.5 miles away)
      Languages Spoken:
      English

      Christina Chen is a Rheumatologist in Covina, California. Dr. Chen is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Fibromyalgia, Sjogren Syndrome, Psoriasis, and Postmenopausal Osteoporosis.

      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      420 W Rowland St, 
      Covina, CA 
       (0.9 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 top areas of expertise are Subacute Combined Degeneration, Glossitis, Pernicious Anemia, and Hypertension.

      Experienced in Vitamin B12 Deficiency
      Family Medicine | Public Health and Preventive Medicine
      Experienced in Vitamin B12 Deficiency
      Family Medicine | Public Health and Preventive Medicine

      Global Medical Grp Inc

      818 W Cameron Ave, 
      West Covina, CA 
       (3.1 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Evelyn Basco is a Public Health and Preventive Medicine provider in West Covina, California. Dr. Basco is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Processing Deficient Progeroid Laminopathies (PDPL), Vitamin D Deficiency, and Vitamin B12 Deficiency.

      Experienced in Vitamin B12 Deficiency
      Neonatology | Obstetrics and Gynecology
      Experienced in Vitamin B12 Deficiency
      Neonatology | Obstetrics and Gynecology
      1135 S Sunset Ave Ste 208, 
      West Covina, CA 
       (3.1 miles away)
      Languages Spoken:
      English

      Richard Burwick is a Neonatologist and an Obstetrics and Gynecologist in West Covina, California. Dr. Burwick is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are HELLP Syndrome, Preeclampsia, Polyhydramnios, and Atypical Hemolytic Uremic Syndrome (aHUS).

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

      Lakshman D Makandura MD Inc.

      910 S Sunset Ave Ste 8, 
      West Covina, CA 
       (3.1 miles away)
      Languages Spoken:
      English

      Lakshman Makandura is a primary care provider, practicing in Internal Medicine in West Covina, California. Dr. Makandura is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Osteomyelitis in Children, Pneumonia, Esophagitis, Gastrostomy, and Endoscopy.

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

      Office

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

      Mark Samonte is a Laboratory Medicine provider in West Covina, California. Dr. Samonte is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Schizoaffective Disorder, Seasonal Affective Disorder (SAD), Anemia, Gastrostomy, and Endoscopy.

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

      Emanate Health Medical Care Foundation

      1115 S Sunset Ave, Suite 200, 
      West Covina, CA 
       (3.6 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Naveed Khan is a Hematologist Oncology specialist and an Oncologist in West Covina, California. Dr. Khan is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Anemia, Thrombocytopenia, Deep Vein Thrombosis, Familial Colorectal Cancer, and Pacemaker Implantation.

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

      Emanate Health Medical Care Foundation

      1115 S Sunset Ave, Suite 200, 
      West Covina, CA 
       (3.6 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Michelle El-Hajjaoui is a Hematologist Oncology specialist and an Oncologist in West Covina, California. Dr. El-Hajjaoui is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Thrombocytopenia, Anemia, Deep Vein Thrombosis, and Blood Clots.

      Experienced in Vitamin B12 Deficiency
      Nurse Practitioner
      Experienced in Vitamin B12 Deficiency
      Nurse Practitioner
      1220 S Glendora Ave, 
      West Covina, CA 
       (3.7 miles away)
      Languages Spoken:
      English

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

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

      The Oncology Institute Ca, A Professional Corporation

      1250 S Sunset Ave, Suite 101, 
      West Covina, CA 
       (3.7 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Ersin Unal is a Hematologist Oncology specialist and a Hematologist in West Covina, California. Dr. Unal is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Thrombocytopenia, Anemia, Breast Cancer, and Paget Disease of the Breast. Dr. Unal is currently accepting new patients.

      Experienced in Vitamin B12 Deficiency
      General Practice | Internal Medicine
      Experienced in Vitamin B12 Deficiency
      General Practice | Internal Medicine
      1840 N Hacienda Blvd, Suite 6, 
      La Puente, CA 
       (4.0 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. His top areas of expertise are Arthritis, Hypertensive Heart Disease, Enlarged Liver, and Type 2 Diabetes (T2D).

      Experienced in Vitamin B12 Deficiency
      General Practice
      Experienced in Vitamin B12 Deficiency
      General Practice
      2425 S Azusa Ave, 
      West Covina, CA 
       (4.2 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Armen Nercessian is a primary care provider, practicing in General Practice in West Covina, California. Dr. Nercessian is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Type 2 Diabetes (T2D).

      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 
       (4.5 miles away)
      Experience:
      17+ years
      Languages Spoken:
      English
      Accepting New Patients

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

      Showing 1-20 of 89

      Last Updated: 10/30/2025

      When should I see a Vitamin B12 Deficiency doctor near 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 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 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 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 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 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 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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