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    Last Updated: 01/09/2026

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    MediFind found 13 doctor with experience in Vitamin B12 Deficiency near San Luis Obispo, CA. Of these, 12 are Experienced and 1 are Advanced.

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    13 providers found
      Lin Soe
      Advanced in Vitamin B12 Deficiency
      Oncology | Internal Medicine
      Advanced in Vitamin B12 Deficiency
      Oncology | Internal Medicine

      Cancer Center - Dignity Health - San Luis Obispo, CA

      715 Tank Farm Rd, Suite C, 
      San Luis Obispo, CA 
       (2.6 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Board Certification:Oncology & HematologyFellowship Training:Oncology & Hematology from University California DavisInternal Medicine Residency:Cornell UniversityMedical School:Institute of Medicine I, Ragoon, BurmaEducation:Masters of Public Health and Tropical Medicine Tulane UniversityAreas of Interest: Benign Hematology, Breast Cancer, Gastrointestinal Malignancies, Lung Cancer, Solid Tumors. Dr. Soe is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Breast Cancer, Paget Disease of the Breast, Myelodysplastic Syndrome (MDS), and Pleuropulmonary Blastoma.

      John A. Khan
      Experienced in Vitamin B12 Deficiency
      Pediatrics
      Experienced in Vitamin B12 Deficiency
      Pediatrics

      John A. Khan-Variba, MD Private Practice

      1551 Bishop St, 
      San Luis Obispo, CA 
       (1.0 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      I strive to provide my patients with the best medical care possible. Dr. Khan is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Obesity in Children, Hypertension, Chronic Cough, and HIV/AIDS.

      Daniel R. Lewis
      Experienced in Vitamin B12 Deficiency
      Oncology | Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Oncology | Internal Medicine

      Cancer Center - Dignity Health - San Luis Obispo, CA

      715 Tank Farm Rd, Suite C, 
      San Luis Obispo, CA 
       (2.6 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      I strive to provide my patients with the best medical care possible. Daniel Lewis, MD, is a board certified Medical Oncologist who has practiced in San Luis Obispo for forty years. He is a graduate of the Oregon Health Science’s Center and trained in Internal Medicine at the University of Missouri, Columbia.Dr. Lewis’ Medical Oncology specialty training was completed at the University of Colorado Medical Center. Dr. Lewis’ singular philosophy is that the patients come first. He very much enjoys the opportunity to practice at Dignity Health SLO Oncology and Hematology Health Center. Dr. Lewis is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Familial Prostate Cancer, Prostate Cancer, Angiosarcoma, and Childhood Iron Deficiency Anemia.

      Learn about our expert tiers
      Thomas J. Spillane
      Experienced in Vitamin B12 Deficiency
      Experienced in Vitamin B12 Deficiency

      Cancer Center - Dignity Health - San Luis Obispo, CA

      715 Tank Farm Rd, Suite C, 
      San Luis Obispo, CA 
       (2.6 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Dr. Tom Spillane believes in an integrative approach to the management of his patients. His definition of an integrative approach combines the best of the updated western medicine technology, complementary care, clinical trials and local psychosocial support services.Dr. Spillane co-founded the Hearst Cancer Resource Center in 2008, as well as the Surfing for Hope Foundation  in 2011, a program that among other services takes cancer survivors and children whose parents are battling cancer, on monthly surf sessions.Board Certification:Oncology, HematologyMedical School:University of California, DavisMedical Oncology Residency:University of California, IrvineFellowship Training:University of California, IrvineAreas of Interest:Brain tumors, Breast Cancer, GI Cancers, Head and Neck Cancer, Lung Cancer, Melanoma. Dr. Spillane is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Paget Disease of the Breast, Familial Colorectal Cancer, Colorectal Cancer, and Lynch Syndrome.

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

      Cancer Center - Dignity Health - San Luis Obispo, CA

      715 Tank Farm Rd, Suite C, 
      San Luis Obispo, CA 
       (2.6 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Dr. Gorgun Akpek (Dr. G) is a board certified hematologist and medical oncologist who treats his patients with all types of cancer and blood related.Dr. Akpek received his MD degree from Hacettepe University, the top medical school in Turkey and did his internal medicine residency and hematology & medical oncology clinical fellowship trainings at Hacettepe University and Boston University Medical Centers. He became further specialized in Leukemia and Stem Cell/Bone Marrow Transplantation at Johns Hopkins University Department of Oncology in Baltimore, Maryland.He joined the faculty first at Johns Hopkins University and then University of Maryland Greenebaum Cancer Center as a clinical investigator and attending physician.He continued his career as a founding Director of Leukemia and Stem Cell Transplantation/Cell Therapy programs at Banner MD Anderson Cancer Center in Gilbert, Arizona and more recently he served as the Section Chief of Blood and Marrow Transplant Program (BMT) at Rush University Medical Center in Chicago.Dr. Akpek is a member of American Society of Hematology (ASH), Clinical Oncology (ASCO) and Transplantation (ASBMT). He is nationally recognized for his research by more than 100 publications and clinical work in leukemia, lymphoma, MDS, multiple myeloma and stem cell transplantation.Board Certification:Oncology, Hematology, Internal MedicineMedical School:Hacettepe University School of MedicineInternal Medicine Residency:Hacettepe University School of MedicineFellowship Training:Hacettepe University School of Medicine, Boston University Medical Center and Johns Hopkins UniversityAreas of Interest:All Cancers including: Autoimmune Cancer, Lung Cancer, Breast Cancer, Colon Cancer, Rectal Cancer,  Pancreatic Cancer, Gallbladder Cancer, Bladder Cancer, Ovarian Cancer, MelanomaAdditional Education: Master of Public Health, Johns Hopkins Bloomberg School of Public Health 2005. Awards and Recognition: Chief's Hematology and Oncology Scholar Award, Boston University 1995-1997 Jo-Ann McCaleb Amyloid Research Award 1997 Henry Christian Award, American Federation of Medical Research 2002. Dr. Akpek is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Multiple Myeloma, Myelodysplastic Syndrome (MDS), Childhood Iron Deficiency Anemia, Bone Marrow Transplant, and Splenectomy.

      Experienced in Vitamin B12 Deficiency
      Pediatrics | Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Pediatrics | Internal Medicine
      184 Casa St, 
      San Luis Obispo, CA 
       (0.7 miles away)
      Languages Spoken:
      English

      Karen Fong is a primary care provider, practicing in Pediatrics and Internal Medicine in San Luis Obispo, California. Dr. Fong is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Vitamin D Deficiency, Osteoporosis, Postmenopausal Osteoporosis, and High Cholesterol.

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

      Community Health Centers Of The Central Coast Inc

      77 Casa St, 201 202, 
      San Luis Obispo, CA 
       (0.8 miles away)
      Languages Spoken:
      English

      Satish Raj is a primary care provider, practicing in Family Medicine in San Luis Obispo, California. Dr. Raj is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

      Experienced in Vitamin B12 Deficiency
      Family Medicine
      Experienced in Vitamin B12 Deficiency
      Family Medicine
      35 Casa St, Suite 330, 
      San Luis Obispo, CA 
       (0.8 miles away)
      Languages Spoken:
      English

      Randall Silver is a primary care provider, practicing in Family Medicine in San Luis Obispo, California. Dr. Silver is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Hypothyroidism, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Hypertension.

      Experienced in Vitamin B12 Deficiency
      Experienced in Vitamin B12 Deficiency

      En Tirage Medspa

      4251 S Higuera St, Suite 102, 
      San Luis Obispo, CA 
       (3.0 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Margaret Greenough is a primary care provider, practicing in Family Medicine in San Luis Obispo, California. Dr. Greenough is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are High Cholesterol, Melorheostosis, Melorheostosis with Osteopoikilosis, and Osteopenia.

      Keith A. Ayrons
      Experienced in Vitamin B12 Deficiency
      Oncology | Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Oncology | Internal Medicine

      Mission Hope Cancer Center - Medical Oncology - Arroyo Grande

      850 Fair Oaks Ave, Ste 310, 
      Arroyo Grande, CA 
       (12.4 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Dr. Keith Ayrons grew up on Long Island, New York, and completed his bachelor’s degree in Biology at the University of Albany while volunteering at the local hospital in the Pathology department. His passion for science and early learnings in the experimental and clinical based approach inspired him to complete first, a Master’s in Microbiology from Adelphi University and then his medical degree from Wayne State University. He then completed his Internal Medicine residency, and combined fellowship in Oncology and Hematology at Stoney Brook University. In 1995, Dr. Ayrons joined a growing oncology and hematology practice in Gastonia, North Carolina, where he was a partner for 23 years. He is Board Certified in Medical Oncology, Hematology and Internal Medicine and served as past president of the Internal Medicine department. For 25 years he developed excellent patient and family relationship skills that created a loyal patient following. In 2018, Dr. Ayrons relocated to the Central Coast and is excited to be a part of the Mission Hope Cancer Center where he can continue to fulfill his passion of serving the community through providing quality care. Dr. Ayrons is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Familial Colorectal Cancer, Pleuropulmonary Blastoma, Lung Cancer, and Paget Disease of the Breast.

      Experienced in Vitamin B12 Deficiency
      Family Medicine
      Experienced in Vitamin B12 Deficiency
      Family Medicine
      1057 E Grand Ave, 
      Arroyo Grande, CA 
       (11.9 miles away)
      Languages Spoken:
      English

      Patrick Welch is a primary care provider, practicing in Family Medicine in Arroyo Grande, California. Dr. Welch is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Maturity Onset Diabetes of the Young.

      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      260 Station Way, 
      Arroyo Grande, CA 
       (12.2 miles away)
      Languages Spoken:
      English

      Reshma Mahmood is a primary care provider, practicing in Internal Medicine in Arroyo Grande, California. Dr. Mahmood is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), Hypertension, and Familial Hypertension.

      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      Atascadero, CA 
       (12.6 miles away)
      Languages Spoken:
      English

      Jason Green is a primary care provider, practicing in Internal Medicine in Atascadero, California. Dr. Green is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Tethered Cord Syndrome, Anemia, Pericarditis, and Sepsis.

      Showing 1-13 of 13

      Last Updated: 01/09/2026

      When should I see a Vitamin B12 Deficiency doctor near San Luis Obispo, 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 San Luis Obispo, 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 San Luis Obispo, 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 San Luis Obispo, 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 San Luis Obispo, 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 San Luis Obispo, 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 San Luis Obispo, 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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