The 20 Best Vitamin D Deficiency Doctors Near Me in Fountain Valley, CA

Find the Top Vitamin D Deficiency Experts and Specialists

The 20 Best Vitamin D Deficiency Doctors near Fountain Valley, CA

Last Updated: 02/22/2026

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MediFind found 795 doctor with experience in Vitamin D Deficiency near Fountain Valley, CA. Of these, 713 are Experienced, 77 are Advanced and 5 are Distinguished.

Location
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795 providers found
    Distinguished in Vitamin D Deficiency
    Endocrinology
    Distinguished in Vitamin D Deficiency
    Endocrinology
    18821 Delaware Street, Suite 202, 
    Huntington Beach, CA 
     (2.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Paul Rosenblit is an Endocrinologist in Huntington Beach, California. Dr. Rosenblit is rated as a Distinguished provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), Vitamin D Deficiency, and Hypothyroidism. Dr. Rosenblit is currently accepting new patients.

    Distinguished in Vitamin D Deficiency
    Internal Medicine
    Distinguished in Vitamin D Deficiency
    Internal Medicine

    Mai Do Inc,kelvin

    1002 N Fairview St, 
    Santa Ana, CA 
     (4.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Kelvin Mai is a primary care provider, practicing in Internal Medicine in Santa Ana, California. Dr. Mai is rated as a Distinguished provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and Osteomyelitis in Children.

    Experienced in Vitamin D Deficiency
    Experienced in Vitamin D Deficiency

    Fountain Valley Cardiology Medical Clinic Inc.

    11100 Warner Ave Ste 268, 
    Fountain Valley, CA 
     (0.2 miles away)
    Languages Spoken:
    English

    Vinod Malhotra is a Cardiologist in Fountain Valley, California. Dr. Malhotra is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Muscle Spasms, Hypertension, Glucocorticoid-Remediable Aldosteronism, Gastrostomy, and Hernia Surgery.

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

    Office

    11100 Warner Ave Ste 354, 
    Fountain Valley, CA 
     (0.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Christos Tsimerekis is an Endocrinologist in Fountain Valley, California. Dr. Tsimerekis is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Secondary Adrenal Insufficiency, Addison's Disease, Triple A Syndrome, and Type 1 Diabetes (T1D).

    Experienced in Vitamin D Deficiency
    Endocrinology
    Experienced in Vitamin D Deficiency
    Endocrinology

    Nicholas Thanh Tran. MD

    15651 Brookhurst St, 
    Westminster, CA 
     (1.8 miles away)
    Languages Spoken:
    English

    Nicholas Tran is an Endocrinologist in Westminster, California. Dr. Tran is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Thyroid Nodule, Type 2 Diabetes (T2D), Papillary Thyroid Cancer, and Thyroid Cancer.

    Experienced in Vitamin D Deficiency
    Cardiology
    Experienced in Vitamin D Deficiency
    Cardiology

    Thai Quang Nguyen M.D. Inc.

    14558 Brookhurst St, 
    Westminster, CA 
     (2.9 miles away)
    Languages Spoken:
    English

    Thai Nguyen is a Cardiologist in Westminster, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Metabolic Syndrome, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Vitamin D Deficiency.

    Experienced in Vitamin D Deficiency
    Endocrinology
    Experienced in Vitamin D Deficiency
    Endocrinology

    Office

    17822 Beach Blvd Ste 442, 
    Huntington Beach, CA 
     (3.3 miles away)
    Languages Spoken:
    English

    Jeffrey Punim is an Endocrinologist in Huntington Beach, California. Dr. Punim is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Juvenile Primary Osteoporosis, Type 2 Diabetes (T2D), Thyroid Nodule, and Papillary Thyroid Cancer.

    Experienced in Vitamin D Deficiency
    Endocrinology
    Experienced in Vitamin D Deficiency
    Endocrinology
    9191 Westminster Avenue, Suite 207, 
    Garden Grove, CA 
     (3.6 miles away)
    Experience:
    44+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ole Opgaard is an Endocrinologist in Garden Grove, California. Dr. Opgaard has been practicing medicine for over 44 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Type 2 Diabetes (T2D), Hyperthyroidism, Thyroid Storm, and Peripheral Neuropathy. Dr. Opgaard is currently accepting new patients.

    Experienced in Vitamin D Deficiency
    Endocrinology
    Experienced in Vitamin D Deficiency
    Endocrinology

    Hoag Medical Group

    5341 Warner Ave, 
    Huntington Beach, CA 
     (4.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Eric Stevens is an Endocrinologist in Huntington Beach, California. Dr. Stevens is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Hypothyroidism, Juvenile Primary Osteoporosis, Type 2 Diabetes (T2D), and Obesity in Children.

    Advanced in Vitamin D Deficiency
    Family Medicine
    Advanced in Vitamin D Deficiency
    Family Medicine

    MemorialCare Medical Group Fountain Valley (Warner)

    11420 Warner Ave Ste 220, 
    Fountain Valley, CA 
     (0.2 miles away)
    Languages Spoken:
    English

    Jo Lieberman is a primary care provider, practicing in Family Medicine in Fountain Valley, California. Dr. Lieberman is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Vitamin D Deficiency, Familial Combined Hyperlipidemia, Xanthoma, and Cirrhosis.

    Advanced in Vitamin D Deficiency
    Advanced in Vitamin D Deficiency

    Office

    11180 Warner Ave Ste 467, 
    Fountain Valley, CA 
     (0.2 miles away)
    Languages Spoken:
    English

    Lalita Pandit is an Oncologist in Fountain Valley, California. Dr. Pandit is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Pleuropulmonary Blastoma, Beta Thalassemia, Anemia, Severe Congenital Neutropenia, and Bone Marrow Aspiration.

    Advanced in Vitamin D Deficiency
    Endocrinology
    Advanced in Vitamin D Deficiency
    Endocrinology

    Balboa Nephrology Medical Group

    11100 Warner Ave, 
    Fountain Valley, CA 
     (1.1 miles away)
    Experience:
    15+ years
    Languages Spoken:
    English
    Offers Telehealth

    Alan Cantillep is an Endocrinologist in Fountain Valley, California. Dr. Cantillep has been practicing medicine for over 15 years and is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Acute Kidney Failure, Chronic Kidney Disease, Nephrosclerosis, and Renovascular Hypertension.

    Sajeet S. Sawhney
    Experienced in Vitamin D Deficiency
    Endocrinology | Internal Medicine
    Experienced in Vitamin D Deficiency
    Endocrinology | Internal Medicine

    Balboa Nephrology Medical Group

    11100 Warner Ave, 
    Fountain Valley, CA 
     (1.1 miles away)
    Experience:
    16+ years
    Languages Spoken:
    English
    Offers Telehealth

    Sajeet Sawhney is an Internal Medicine specialist and an Endocrinologist in Fountain Valley, California. Dr. Sawhney has been practicing medicine for over 16 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Acute Kidney Failure, Necrosis, Chronic Kidney Disease, and Nephrosclerosis.

    Ajit S. Sawhney
    Experienced in Vitamin D Deficiency
    Endocrinology | Internal Medicine
    Experienced in Vitamin D Deficiency
    Endocrinology | Internal Medicine

    Balboa Nephrology Medical Group

    11100 Warner Ave, 
    Fountain Valley, CA 
     (1.1 miles away)
    Experience:
    58+ years
    Languages Spoken:
    English
    Offers Telehealth

    Ajit Sawhney is an Internal Medicine specialist and an Endocrinologist in Fountain Valley, California. Dr. Sawhney has been practicing medicine for over 58 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Chronic Kidney Disease, Nephrosclerosis, Renovascular Hypertension, and End-Stage Renal Disease (ESRD).

    Arash Aminian
    Experienced in Vitamin D Deficiency
    Orthopedics
    Experienced in Vitamin D Deficiency
    Orthopedics

    OrthoWest

    18785 Brookhurst St., Suite 100, 
    Fountain Valley, CA 
     (1.3 miles away)
    Experience:
    25+ years
    Languages Spoken:
    English
    Offers Telehealth

    Arash Aminian is an Orthopedics provider in Fountain Valley, California. Dr. Aminian has been practicing medicine for over 25 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Tendinitis, Plantar Fasciitis, Achilles Tendon Rupture, Hammer Toe, and Leg or Foot Amputation.

    Advanced in Vitamin D Deficiency
    Family Medicine
    Advanced in Vitamin D Deficiency
    Family Medicine

    Khanh Bao Nguyen MD Inc

    13830 Brookhurst St, 
    Garden Grove, CA 
     (3.6 miles away)
    Experience:
    30+ years
    Languages Spoken:
    English

    Khanh Nguyen is a primary care provider, practicing in Family Medicine in Garden Grove, California. Dr. Nguyen has been practicing medicine for over 30 years and is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Vitamin D Deficiency, Osteomyelitis in Children, High Cholesterol, and Type 2 Diabetes (T2D).

    Advanced in Vitamin D Deficiency
    Internal Medicine
    Advanced in Vitamin D Deficiency
    Internal Medicine

    Chinh Mai And Thao Vo

    8251 Westminster Blvd, 
    Westminster, CA 
     (3.9 miles away)
    Experience:
    26+ years
    Languages Spoken:
    English
    Offers Telehealth

    Chinh Van Mai is an Internal Medicine provider in Westminster, California. Dr. Van Mai has been practicing medicine for over 26 years and is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Vitamin D Deficiency, Heart Failure with Preserved Ejection Fraction (HFpEF), Seasonal Affective Disorder (SAD), Muscle Spasms, and Gastrostomy.

    Advanced in Vitamin D Deficiency
    Family Medicine | Internal Medicine
    Advanced in Vitamin D Deficiency
    Family Medicine | Internal Medicine

    Ajay G. Meka, MD Inc

    2740 S Bristol St, 
    Santa Ana, CA 
     (3.9 miles away)
    Experience:
    50+ years
    Languages Spoken:
    English
    Offers Telehealth

    Ajay Meka is a primary care provider, practicing in Internal Medicine and Family Medicine in Santa Ana, California. Dr. Meka has been practicing medicine for over 50 years and is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Osteomyelitis in Children, Hypertensive Heart Disease, Type 2 Diabetes (T2D), and Enlarged Liver.

    Advanced in Vitamin D Deficiency
    Family Medicine
    Advanced in Vitamin D Deficiency
    Family Medicine

    Uyen Jackie Nguyen M.D. Inc.

    18682 Beach Blvd Ste 110, 
    Huntington Beach, CA 
     (4.0 miles away)
    Languages Spoken:
    English

    Uyen Nguyen is a primary care provider, practicing in Family Medicine in Huntington Beach, California. Dr. Nguyen is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Severe Acute Respiratory Syndrome (SARS), Tracheitis, Familial Hypertriglyceridemia, and Vitamin D Deficiency.

    Advanced in Vitamin D Deficiency
    Internal Medicine
    Advanced in Vitamin D Deficiency
    Internal Medicine

    Geriatric Medicine Huntington Beach

    19582 Beach Blvd Ste 250, 
    Huntington Beach, CA 
     (4.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Son Nguyen is a primary care provider, practicing in Internal Medicine in Huntington Beach, California. Dr. Nguyen is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Enlarged Prostate (BPH), Gardner-Diamond Syndrome, Autoerythrocyte Sensitivity, Ureteroscopy, and Colonoscopy.

    Showing 1-20 of 795

    Last Updated: 02/22/2026

    What is the definition of Vitamin D Deficiency?

    Vitamin D deficiency is when the body does not have enough vitamin D. Vitamin D is necessary for absorbing calcium and healthy bones.

    When should I see a Vitamin D Deficiency doctor near Fountain Valley, 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 D Deficiency doctor near Fountain Valley, 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 D Deficiency doctors near Fountain Valley, 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 D Deficiency doctors near Fountain Valley, 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 D Deficiency doctor near Fountain Valley, 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 D Deficiency doctor search results page. 

    Why is it important to get a second opinion from a different Vitamin D 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 D Deficiency doctor near Fountain Valley, 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 D 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 D 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 D Deficiency doctors near Fountain Valley, CA?

    Look for the filter feature on the left side of the Vitamin D 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 D Deficiency doctor that offers video calls?

    Look for the filter feature on the left-side of the Vitamin D 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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