The 20 Best Vitamin D Deficiency Doctors Near Me in foothill ranch, CA

Find the Top Vitamin D Deficiency Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 495 doctor with experience in Vitamin D Deficiency near foothill ranch, CA. Of these, 428 are Experienced, 63 are Advanced and 3 are Distinguished.

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495 providers found
    Advanced in Vitamin D Deficiency
    Internal Medicine
    Advanced in Vitamin D Deficiency
    Internal Medicine

    Optum - Rancho Santa Margarita

    29873 Santa Margarita Pkwy, 
    Rancho Santa Margarita, CA 
     (4.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Shaparak Kamarei is a primary care provider, practicing in Internal Medicine in Rancho Santa Margarita, California. Dr. Kamarei is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. She is also highly rated in 9 other conditions, according to our data. Her clinical expertise encompasses Insomnia, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension. Dr. Kamarei is board certified in American Board Of Internal Medicine. Dr. Kamarei is currently accepting new patients.

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

    Health And Wellness Center Inc

    23672 Birtcher Dr, 
    Lake Forest, CA 
     (4.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Mohammed Ali is a primary care provider, practicing in Family Medicine in Lake Forest, California. Dr. Ali is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Premature Ovarian Failure, Down Syndrome, and Hypogonadism Primary Partial Alopecia. Dr. Ali is board certified in American Board Of Family Medicine. Dr. Ali is currently accepting new patients.

    Experienced in Vitamin D Deficiency
    Hematology | Oncology
    Experienced in Vitamin D Deficiency
    Hematology | Oncology
    Referral may be required

    UCI Health - Irvine Chao Family Comprehensive Cancer Center & Ambulatory Care

    19208 Jamboree Road, 
    Irvine, CA 
     (9.3 miles away)
    Languages Spoken:
    English, Farsi
    Offers Telehealth

    Misagh Karimi is a Hematologist and an Oncologist practicing medicine in Irvine, California. Dr. Karimi is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 27 other conditions, according to our data. His clinical expertise encompasses Breast Cancer, Familial Colorectal Cancer, Colorectal Cancer, and Paget Disease of the Breast. Dr. Karimi is board certified in American Board Of Internal Medicine - Hematology and American Board Of Internal Medicine - Medical Oncology.

    Learn about our expert tiers
    Experienced in Vitamin D Deficiency
    Experienced in Vitamin D Deficiency
    Referral may be required

    Prohealth Partners A Medical Group Inc

    26700 Towne Centre Dr, 
    Foothill Ranch, CA 
     (0.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Farah Mahmood is a Rheumatologist practicing medicine in Foothill Ranch, California. Dr. Mahmood is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Rheumatoid Arthritis (RA), Polymyalgia Rheumatica, Rhizomelic Pseudopolyarthritis, and Arthritis. Dr. Mahmood is board certified in American Board Of Internal Medicine. Dr. Mahmood is currently accepting new patients.

    Experienced in Vitamin D Deficiency
    Internal Medicine
    Experienced in Vitamin D Deficiency
    Internal Medicine

    Felice L Gersh MD Inc

    16300 Sand Canyon Ave Ste 311, 
    Irvine, CA 
     (3.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Michael Waldman is a primary care provider, practicing in Internal Medicine in Irvine, California. Dr. Waldman is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 52 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), High Cholesterol, Autoerythrocyte Sensitivity, and Purpura. Dr. Waldman is currently accepting new patients.

    Experienced in Vitamin D Deficiency
    Palliative Medicine
    Experienced in Vitamin D Deficiency
    Palliative Medicine
    Referral required

    City Of Hope Sand Canyon

    16300 Sand Canyon Ave Ste 207, 
    Irvine, CA 
     (3.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Nikki Zahabi is a Palliative Medicine provider practicing medicine in Irvine, California. Dr. Zahabi is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. Her clinical expertise encompasses Relapsing Multiple Sclerosis (RMS) and Vitamin D Deficiency. Dr. Zahabi is currently accepting new patients.

    Experienced in Vitamin D Deficiency
    Orthopedics
    Experienced in Vitamin D Deficiency
    Orthopedics
    Referral may be required

    OrthoWest

    Irvine, CA 
     (3.9 miles away)
    Languages Spoken:
    English

    Arash Aminian is an Orthopedics provider practicing medicine in Irvine, California. Dr. Aminian is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Tendinitis, Plantar Fasciitis, Achilles Tendon Rupture, Bursitis, and Hip Replacement. Dr. Aminian is board certified in American Board Of Orthopaedic Surgery and Orthopedic Foot & Ankle Surgeon.

    Experienced in Vitamin D Deficiency
    Internal Medicine
    Experienced in Vitamin D Deficiency
    Internal Medicine

    Yeming Sun M.D. Inc.

    113 Waterworks Way Ste 125, 
    Irvine, CA 
     (3.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Yeming Sun is a primary care provider, practicing in Internal Medicine in Irvine, California. Dr. Sun is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. Her clinical expertise encompasses Juvenile Primary Osteoporosis, Osteomyelitis in Children, Diabetic Nephropathy, and Psoriatic Arthritis. Dr. Sun is currently accepting new patients.

    Experienced in Vitamin D Deficiency
    Family Medicine
    Experienced in Vitamin D Deficiency
    Family Medicine

    Optum - Rancho Santa Margarita

    29873 Santa Margarita Pkwy, 
    Rancho Santa Margarita, CA 
     (4.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Faranak Ghazi is a primary care provider, practicing in Family Medicine in Rancho Santa Margarita, California. Dr. Ghazi is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and High Cholesterol. Dr. Ghazi is board certified in American Board Of Family Medicine. Dr. Ghazi is currently accepting new patients.

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

    Optum - Foothill Ranch

    26740 Towne Centre Dr Bldg C, 
    Foothill Ranch, CA 
     (1.0 miles away)
    Languages Spoken:
    English

    Bakulkumar Patel is a primary care provider, practicing in Internal Medicine in Foothill Ranch, California. Dr. Patel is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Chorea-Acanthocytosis, Tangier Disease, Familial HDL Deficiency, and Familial Hypobetalipoproteinemia.

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

    Artisan Foot And Ankle Specialist

    22 Odyssey Ste 115, 
    Irvine, CA 
     (3.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Marlene Yacoob is a primary care provider, practicing in Family Medicine in Irvine, California. Dr. Yacoob is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. She is also highly rated in 12 other conditions, according to our data. Her clinical expertise encompasses Vitamin D Deficiency, High Cholesterol, Hypothyroidism, and Obesity in Children.

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

    Artisan Foot And Ankle Specialist

    22 Odyssey Ste 115, 
    Irvine, CA 
     (3.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Lynn Napoli is a primary care provider, practicing in Family Medicine in Irvine, California. Dr. Napoli is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Vitamin D Deficiency, High Cholesterol, Hypothyroidism, and Obesity in Children.

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

    Felice L Gersh MD Inc

    16300 Sand Canyon Ave Ste 311, 
    Irvine, CA 
     (3.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Randa Serag is a primary care provider, practicing in Internal Medicine in Irvine, California. Dr. Serag is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Vitamin D Deficiency, Juvenile Primary Osteoporosis, Melanoma of the Eye, and Melorheostosis with Osteopoikilosis.

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

    Felice L Gersh MD Inc

    16300 Sand Canyon Ave Ste 311, 
    Irvine, CA 
     (3.9 miles away)
    Languages Spoken:
    English, Arabic
    Accepting New Patients
    Offers Telehealth

    Farhan Ayoub is a primary care provider, practicing in Internal Medicine in Irvine, California. Dr. Ayoub is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Vitamin D Deficiency, High Cholesterol, Maturity Onset Diabetes of the Young, and Obesity. Dr. Ayoub is currently accepting new patients.

    Advanced in Vitamin D Deficiency
    Endocrinology
    Advanced in Vitamin D Deficiency
    Endocrinology
    Referral required

    City Of Hope Orange County Lennar Foundation Cancer Center

    Irvine, CA 
     (3.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Samar Singh is an Endocrinologist practicing medicine in Irvine, California. Dr. Singh is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. She is also highly rated in 33 other conditions, according to our data. Her clinical expertise encompasses Pituitary Tumor, Type 2 Diabetes (T2D), Hypothyroidism, and Maturity Onset Diabetes of the Young.

    Advanced in Vitamin D Deficiency
    Geriatrics | Internal Medicine
    Advanced in Vitamin D Deficiency
    Geriatrics | Internal Medicine
    Referral may be required

    Felice L Gersh MD Inc

    16300 Sand Canyon Ave Ste 311, 
    Irvine, CA 
     (3.9 miles away)
    Languages Spoken:
    English

    Hong Shune is a primary care provider, practicing in Geriatrics and Internal Medicine in Irvine, California. Dr. Shune is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Methylmalonic Acidemia with Homocystinuria, Homocystinuria, Juvenile Primary Osteoporosis, and Inborn Amino Acid Metabolism Disorder.

    Advanced in Vitamin D Deficiency
    Endocrinology
    Advanced in Vitamin D Deficiency
    Endocrinology
    Referral required

    Felice L Gersh MD Inc

    16300 Sand Canyon Ave Ste 311, 
    Irvine, CA 
     (3.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Asha Robertson is an Endocrinologist practicing medicine in Irvine, California. Dr. Robertson is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Juvenile Primary Osteoporosis, Thyroid Nodule, Paget's Disease of Bone, and Vitamin D Deficiency.

    Experienced in Vitamin D Deficiency
    Internal Medicine
    Experienced in Vitamin D Deficiency
    Internal Medicine

    Hoag Medical Group Pediatrics Irvine-Sand Canyon

    16100 Sand Canyon Ave Ste 245, 
    Irvine,, CA 
     (3.9 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English
    Offers Telehealth

    Wei Wang is a primary care provider, practicing in Internal Medicine in Irvine,, California. He has been practicing medicine for over 10 years. Dr. Wang is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Osteomyelitis in Children, High Cholesterol, Type 2 Diabetes (T2D), Colonoscopy, and Endoscopy.

    Advanced in Vitamin D Deficiency
    Endocrinology
    Advanced in Vitamin D Deficiency
    Endocrinology
    Referral required

    Grace Hunter DO Inc

    23331 El Toro Rd Ste 102, 
    Lake Forest, CA 
     (4.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Ku-juey Chang is an Endocrinologist practicing medicine in Lake Forest, California. Dr. Chang is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Hypothyroidism, Vitamin D Deficiency, Obesity in Children, and Maturity Onset Diabetes of the Young. Dr. Chang is currently accepting new patients.

    Advanced in Vitamin D Deficiency
    Advanced in Vitamin D Deficiency
    Referral required

    Grace Hunter DO Inc

    23331 El Toro Rd Ste 102, 
    Lake Forest, CA 
     (4.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Priyanka Krishnan is an Endocrinologist practicing medicine in Lake Forest, California. Dr. Krishnan is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Hypothyroidism, Thyroid Nodule, Obesity in Children, and Hashimoto Thyroiditis. Dr. Krishnan is currently accepting new patients.

    Showing 1-20 of 495

    Last Updated: 09/26/2026

    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 foothill ranch, 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 foothill ranch, 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 foothill ranch, 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 foothill ranch, 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 foothill ranch, 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 foothill ranch, 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 foothill ranch, 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 

    Read more about our Content Policy. 

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