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

Find the Top Vitamin B12 Deficiency Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 24 doctor with experience in Vitamin B12 Deficiency near Murrieta, CA. Of these, 18 are Experienced, 1 are Advanced and 1 are Distinguished.

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24 providers found
    Distinguished in Vitamin B12 Deficiency
    Distinguished in Vitamin B12 Deficiency

    Hematology Oncology Consultants

    28078 Baxter Rd Ste 140, 
    Murrieta, CA 
     (3.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Evelyn Mendoza is a Hematologist practicing medicine in Murrieta, California. Dr. Mendoza is rated as a Distinguished 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 Vitamin B12 Deficiency, Paget Disease of the Breast, Breast Cancer, Agranulocytosis, and Bone Marrow Aspiration.

    Advanced in Vitamin B12 Deficiency
    Advanced in Vitamin B12 Deficiency

    Hematology Oncology Consultants

    28078 Baxter Rd Ste 140, 
    Murrieta, CA 
     (3.9 miles away)
    Languages Spoken:
    English

    Kishore Sehgal is a Hematologist practicing medicine in Murrieta, California. Dr. Sehgal is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 26 other conditions, according to our data. His clinical expertise encompasses Paget Disease of the Breast, Pleuropulmonary Blastoma, Lung Cancer, Agranulocytosis, and Bone Marrow Aspiration.

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

    Optum - Murrieta Primary Care

    40690 California Oaks Rd, 
    Murrieta, CA 
     (0.8 miles away)
    Experience:
    47+ years
    Languages Spoken:
    English

    Ernesto Salas is a primary care provider, practicing in Internal Medicine in Murrieta, California. He has been practicing medicine for over 47 years. Dr. Salas 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 Methylmalonic Acidemia with Homocystinuria, Homocystinuria, Inborn Amino Acid Metabolism Disorder, and Type 2 Diabetes (T2D).

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

    The Oncology Institute

    25405 Hancock Ave Ste 101, 
    Murrieta, CA 
     (1.4 miles away)
    Languages Spoken:
    English

    Jeffrey Andrey is an Oncologist practicing medicine in Murrieta, California. Dr. Andrey 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 Drug-Induced Thrombocytopenia, Hodgkin Lymphoma, Childhood Iron Deficiency Anemia, Bone Marrow Aspiration, and Bone Marrow Transplant.

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

    Rolando A. Atiga, M.D., A Professional Corporation

    25405 Hancock Ave, 
    Murrieta, CA 
     (1.4 miles away)
    Experience:
    43+ years
    Languages Spoken:
    English

    John Feeney is a primary care provider, practicing in Family Medicine in Murrieta, California. He has been practicing medicine for over 43 years. Dr. Feeney 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 Gardner-Diamond Syndrome, Purpura, Autoerythrocyte Sensitivity, and Cyclic Neutropenia. Dr. Feeney is board certified in American Board Of Family Medicine.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Office

    25405 Hancock Ave Ste 206, 
    Murrieta, CA 
     (1.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Achala Doraiswamy is an Oncologist practicing medicine in Murrieta, California. Dr. Doraiswamy is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses HER-2 Positive Breast Cancer, Paget Disease of the Breast, Inflammatory Breast Cancer, and Breast Cancer. Dr. Doraiswamy is currently accepting new patients.

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

    Estrella-Itchon, Rhoda G., M.D., Inc.

    25495 Medical Center Dr, 
    Murrieta, CA 
     (1.6 miles away)
    Experience:
    41+ years
    Languages Spoken:
    English
    Offers Telehealth

    Rhoda Estrella is a primary care provider, practicing in Family Medicine in Murrieta, California. She has been practicing medicine for over 41 years. Dr. Estrella is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Type 2 Diabetes (T2D), High Cholesterol, Glucocorticoid-Remediable Aldosteronism, and Hypertension. Dr. Estrella is board certified in American Board Of Family Medicine.

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

    Brigid Freyne MD Inc

    39755 Murrieta Hot Springs Rd Ste F110, 
    Murrieta, CA 
     (3.9 miles away)
    Languages Spoken:
    English

    Brigid Freyne is an Internal Medicine provider practicing medicine in Murrieta, California. Dr. Freyne is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 18 other conditions, according to our data. Her clinical expertise encompasses Fibromyalgia, Vitamin D Deficiency, Osteoporosis, and Postmenopausal Osteoporosis.

    Experienced in Vitamin B12 Deficiency
    Gastroenterology
    Experienced in Vitamin B12 Deficiency
    Gastroenterology

    United Medical Doctors

    28078 Baxter Rd Ste 530, 
    Murrieta, CA 
     (3.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    John Hong is a Gastroenterologist practicing medicine in Murrieta, California. Dr. Hong 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 Barrett Esophagus, Esophagitis, Gastroesophageal Reflux Disease (GERD), and Familial Adenomatous Polyposis.

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

    California Cancer Associates For Research And Excellence

    39755 Date St Ste 103, 
    Murrieta, CA 
     (3.9 miles away)
    Languages Spoken:
    English

    Arun Kalra is a Hematologist and an Oncologist practicing medicine in Murrieta, California. Dr. Kalra 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 Angiosarcoma, Inflammatory Breast Cancer, Reticuloendotheliosis, and Hairy Cell Leukemia (HCL).

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

    Office

    39755 Date St Ste 103, 
    Murrieta, CA 
     (3.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jennifer Coyle is a Nurse Practitioner practicing medicine in Murrieta, California. Ms. Coyle is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Eyelid Bump, Aseptic and Alopecic Nodules of Scalp (AANS), and Vitamin B12 Deficiency.

    Nurse Practitioner
    Nurse Practitioner

    Temecula Medical Group

    27555 Ynez Rd, Ste 102, 
    Temecula, CA 
     (5.3 miles away)
    Experience:
    15+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Kathryn Pawelek, MSN, APRN, FNP-C, known to her patients as “Katie,” is a dedicated Family Nurse Practitioner with a passion for delivering patient-centered care at Temecula Medical Group. With over a decade of experience in nursing, Katie brings a wealth of expertise from her work in cardiology, emergency services, and surgical care across prestigious institutions like Scripps Green Hospital and Houston Methodist Willowbrook Hospital. Holding advanced certifications including FNP-C, CEN, and ACLS, she excels in managing acute and chronic conditions with a focus on empowering patients through education and compassionate care.Katie’s approach to healthcare is rooted in her commitment to timely, individualized treatment plans that enable patients to understand and manage their health effectively. Her extensive background in high-acuity settings, such as Level I Trauma and STEMI Receiving Centers, has honed her ability to make critical decisions and collaborate seamlessly with interdisciplinary teams. At Temecula Medical Group, she provides comprehensive care, from ordering and interpreting diagnostics to performing procedures and furnishing medications, all within the scope of her advanced practice."I believe in treating every patient like family, listening to their needs, and guiding them with care and compassion.". Ms. Pawelek is rated as undefined provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Hypertension, Type 2 Diabetes (T2D), High Cholesterol, Hormone Replacement Therapy (HRT), and Tissue Biopsy. Ms. Pawelek is board certified in American Academy Of Nurse Practitioners National Certification Board, California Board Of Registered Nursing, and DEA (Drug Enforcement Administration) Certificate. Ms. Pawelek is currently accepting new patients.

    Physician Assistant | Family Medicine
    Physician Assistant | Family Medicine

    Temecula Medical Group

    27555 Ynez Rd, Ste 102, 
    Temecula, CA 
     (5.3 miles away)
    Languages Spoken:
    English, Portuguese, Spanish
    Offers Telehealth

    Ryan Rowan is a Family Medicine provider practicing medicine in Temecula, California. Dr. Rowan is rated as undefined provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Type 2 Diabetes (T2D), Urinary Tract Infection (UTI), Anemia, Hormone Replacement Therapy (HRT), and Tissue Biopsy. Dr. Rowan is board certified in DEA (Drug Enforcement Administration) Certificate, National Commission On Certification Of Physician Assistants, and Physician Assistants Board (California Department Of Consumer Affairs).

    Physician Assistant | Family Medicine
    Physician Assistant | Family Medicine

    Temecula Medical Group

    27555 Ynez Rd, Ste 102, 
    Temecula, CA 
     (5.3 miles away)
    Experience:
    1+ years
    Languages Spoken:
    English
    Offers Telehealth

    Tatiana Lim is a Family Medicine provider practicing medicine in Temecula, California. She has been practicing medicine for over 1 year. Dr. Lim is rated as undefined provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Hypertension, Type 2 Diabetes (T2D), High Cholesterol, Hormone Replacement Therapy (HRT), and Tissue Biopsy. Dr. Lim is board certified in National Commission On Certification Of Physician Assistants, Physician Assistants Board (California Department Of Consumer Affairs), and DEA (Drug Enforcement Administration) Certificate.

    Emergency Medicine
    Emergency Medicine

    Temecula Medical Group

    27555 Ynez Rd, Ste 102, 
    Temecula, CA 
     (5.3 miles away)
    Experience:
    18+ years
    Languages Spoken:
    English, Spanish
    Offers Telehealth

    Richard Rawson, DO, is a board-certified Osteopathic Physician. Surgeon and a concierge primary care physician who sees patients at Temecula Medical Group in Temecula, California. Dr. Rawson is a native of Southern California. He grew up in Mission Viejo, graduating from Mission Viejo High School. Dr. Rawson attended Brigham Young University in Provo, Utah, where he received his Bachelor’s degree in Exercise Physiology. He received his medical degree from the Des Moines University College of Osteopathic Medicine in Iowa.Dr. Rawson completed his residency training at Madigan Army Medical Center in Tacoma, Washington — part of the University of Washington Family Medicine Residency Network. The University of Washington School of Medicine has been identified as the nation’s top primary-care school in each of the last 18 years by US News & World Report and the top medical school in the country in family medicine and rural medicine training for the past 20 years. ​Dr. Rawson was deployed to Afghanistan in 2012-2013, supporting Operation Enduring Freedom as the Squadron Surgeon for the 1st Squadron of the 4th Cavalry Regiment of the US Army. He is a fellow of the American Academy of Family Physicians, and Temecula Medical Group is one of the first direct care practices in the nation. He speaks both English and Spanish. ​"Decorated prior military physician who loves serving his country, patients, and family.". Dr. Rawson is rated as undefined 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 Anemia, Headache, Urinary Tract Infection (UTI), Hormone Replacement Therapy (HRT), and Tissue Biopsy. Dr. Rawson is board certified in Osteopathic Medical Board Of California, American Board Of Family Medicine, Inc., National Board Of Physicians And Surgeons, and DEA (Drug Enforcement Administration) Certificate.

    Experienced in Vitamin B12 Deficiency
    Integrative Medicine
    Experienced in Vitamin B12 Deficiency
    Integrative Medicine

    Erik Lundquist MD Inc.

    27450 Ynez Rd Ste 100, 
    Temecula, CA 
     (6.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Erik Lundquist is a primary care provider, practicing in Integrative Medicine in Temecula, California. Dr. Lundquist is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Inborn Amino Acid Metabolism Disorder, Opisthotonos, Muscle Spasms, and Methylmalonic Acidemia with Homocystinuria.

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

    Ocampo, Consuelo, M.D.

    29645 Rancho California Rd, 
    Temecula, CA 
     (5.5 miles away)
    Experience:
    48+ years
    Languages Spoken:
    English
    Offers Telehealth

    Consuelo Ocampo is a primary care provider, practicing in Family Medicine in Temecula, California. She has been practicing medicine for over 48 years. Dr. Ocampo is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Type 2 Diabetes (T2D), Glucocorticoid-Remediable Aldosteronism, Hypertension, and Familial Hypertension. Dr. Ocampo is board certified in American Board Of Family Medicine.

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

    Trinity Medical Multi-Specialty Group, Inc.

    31625 De Portola Rd, 
    Temecula, CA 
     (8.1 miles away)
    Experience:
    22+ years
    Languages Spoken:
    English
    Offers Telehealth

    Indraneel Chakrabarty is an Internal Medicine provider practicing medicine in Temecula, California. He has been practicing medicine for over 22 years. Dr. Chakrabarty is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 99 other conditions, according to our data. His clinical expertise encompasses Hiatal Hernia, Congenital Diaphragmatic Hernia, Gastroesophageal Reflux Disease (GERD), Gastrectomy, and Colonoscopy. Dr. Chakrabarty is board certified in American Board Of Internal Medicine.

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

    Rolando A. Atiga, M.D., A Professional Corporation

    29826 Haun Rd, 
    Menifee, CA 
     (9.0 miles away)
    Experience:
    27+ years
    Languages Spoken:
    English
    Offers Telehealth

    Rolando Atiga is a primary care provider, practicing in Family Medicine in Menifee, California. He has been practicing medicine for over 27 years. Dr. Atiga is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 26 other conditions, according to our data. His clinical expertise encompasses Obesity in Children, Food Allergy, Obesity, and Cirrhosis. Dr. Atiga is board certified in American Board Of Family Medicine.

    Experienced in Vitamin B12 Deficiency
    Nephrology
    Experienced in Vitamin B12 Deficiency
    Nephrology

    Inland Empire Home Health

    27851 Bradley Rd Ste 125, 
    Menifee, CA 
     (10.2 miles away)
    Languages Spoken:
    English

    Peter Lac is a Nephrologist practicing medicine in Menifee, California. Dr. Lac 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 End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Acute Kidney Failure, and Acute Tubular Necrosis.

    Showing 1-20 of 24

    Last Updated: 04/28/2026

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