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

Find the Top Vitamin D Deficiency Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 721 doctor with experience in Vitamin D Deficiency near Covina, CA. Of these, 619 are Experienced, 99 are Advanced and 3 are Distinguished.

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721 providers found
    Distinguished in Vitamin D Deficiency
    Internal Medicine | Rheumatology
    Distinguished in Vitamin D Deficiency
    Internal Medicine | Rheumatology

    Metyas, Samy, M.D., Inc.

    500 W San Bernardino Rd, 
    Covina, CA 
     (0.5 miles away)
    Experience:
    37+ years
    Languages Spoken:
    English

    Samy Metyas is an Internal Medicine specialist and a Rheumatologist practicing medicine in Covina, California. He has been practicing medicine for over 37 years. Dr. Metyas is rated as a Distinguished provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 54 other conditions, according to our data. His clinical expertise encompasses Fibromyalgia, Rheumatoid Arthritis (RA), Osteoporosis, and Postmenopausal Osteoporosis. Dr. Metyas is board certified in American Board Of Internal Medicine.

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

    Office

    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 Family Medicine in West Covina, California. Dr. Nercessian is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Type 2 Diabetes (T2D).

    Experienced in Vitamin D Deficiency
    Family Medicine
    Experienced in Vitamin D Deficiency
    Family Medicine
    1500 W West Covina Pkwy Fl 1, # 102, 
    West Covina, CA 
     (3.1 miles away)
    Languages Spoken:
    English

    Reuven Sison is a Family Medicine provider practicing medicine in West Covina, California. Dr. Sison is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Telangiectasia, Spider Angioma, Actinic Keratosis, and Rosacea.

    Learn about our expert tiers
    Experienced in Vitamin D Deficiency
    Obstetrics and Gynecology | Pediatrics
    Experienced in Vitamin D Deficiency
    Obstetrics and Gynecology | Pediatrics

    Tangchitnob MD

    1135 South Sunset Ave., Suite 102, 
    West Covina, CA 
     (3.1 miles away)
    Experience:
    47+ years
    Languages Spoken:
    English

    Dumrong Tangchitnob is a Pediatrics specialist and an Obstetrics and Gynecologist practicing medicine in West Covina, California. He has been practicing medicine for over 47 years. Dr. Tangchitnob is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Ovarian Cysts, Vaginal Bleeding Between Periods, Menorrhagia, and Angiomyoma. Dr. Tangchitnob is board certified in American Board Pediatrics.

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

    Citrus Valley Cardiology Medical Group Inc

    353 W Foothill Blvd, 
    Glendora,, CA 
     (3.4 miles away)
    Experience:
    44+ years
    Languages Spoken:
    English

    Neil Doherty is an Internal Medicine provider practicing medicine in Glendora,, California. He has been practicing medicine for over 44 years. Dr. Doherty is rated as an Experienced 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 Mitral Valve Regurgitation, Necrosis, High Cholesterol, and Hypertensive Heart Disease.

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

    Office

    1330 W Covina Blvd Ste 206, 
    San Dimas, CA 
     (4.8 miles away)
    Languages Spoken:
    English

    Rambod Amani is an Endocrinologist practicing medicine in San Dimas, California. Dr. Amani is rated as an Experienced 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 Type 2 Diabetes (T2D), Hypothyroidism, Graves Disease, and Maturity Onset Diabetes of the Young.

    Experienced in Vitamin D Deficiency
    General Practice | Internal Medicine
    Experienced in Vitamin D Deficiency
    General Practice | Internal Medicine

    Office

    1840 N Hacienda Blvd Ste 6, 
    La Puente, CA 
     (4.8 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 D Deficiency. He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Arthritis, Hypertensive Heart Disease, Enlarged Liver, and Type 2 Diabetes (T2D).

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

    J Gabriel Castellanos, MD Inc.

    234 E Badillo St, 
    Covina, CA 
     (0.3 miles away)
    Experience:
    43+ years
    Languages Spoken:
    English

    Jose Castellanos is a primary care provider, practicing in Family Medicine in Covina, California. He has been practicing medicine for over 43 years. Dr. Castellanos 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 Type 2 Diabetes (T2D), Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Hypertension. Dr. Castellanos is board certified in American Board Of Family Medicine.

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

    Radhika Tulpule Md.

    110 N 4th Ave, 
    Covina, CA 
     (0.3 miles away)
    Experience:
    48+ years
    Languages Spoken:
    English

    Radhika Tulpule is a primary care provider, practicing in Internal Medicine in Covina, California. She has been practicing medicine for over 48 years. Dr. Tulpule 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 Apparent Mineralocorticoid Excess, Type 2 Diabetes (T2D), Familial Hyperaldosteronism, Gastrostomy, and Ureteroscopy. Dr. Tulpule is board certified in American Board Of Internal Medicine.

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

    Rajnish Jandial MD Inc

    315 N 3rd Ave Ste 100, 
    Covina, CA 
     (0.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Sanjay Khedia is a primary care provider, practicing in Internal Medicine in Covina, California. Dr. Khedia is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Gastritis, Multisystem Inflammatory Syndrome in Children (MIS-C), COVID-19, Gastrostomy, and Colonoscopy.

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

    Optum - Covina Main

    420 W Rowland St, 
    Covina, CA 
     (0.9 miles away)
    Experience:
    42+ years
    Languages Spoken:
    English
    Offers Telehealth

    Joseph Alonzo is a primary care provider, practicing in Internal Medicine in Covina, California. He has been practicing medicine for over 42 years. Dr. Alonzo is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Gardner-Diamond Syndrome, Autoerythrocyte Sensitivity, and Purpura. Dr. Alonzo is board certified in American Board Of Internal Medicine.

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

    Mayflower Medical Group Inc.

    1433 N Hollenbeck Ave, 
    Covina, CA 
     (1.2 miles away)
    Experience:
    41+ years
    Languages Spoken:
    English

    Adelaide Willis is a primary care provider, practicing in Family Medicine in Covina, California. She has been practicing medicine for over 41 years. Dr. Willis is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. She is also highly rated in 18 other conditions, according to our data. Her clinical expertise encompasses Bronchitis, High Cholesterol, Osteomyelitis in Children, and Pustules. Dr. Willis is board certified in American Board Of Family Medicine.

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

    Mayflower Medical Group Inc.

    1433 N Hollenbeck Ave, 
    Covina, CA 
     (1.2 miles away)
    Experience:
    13+ years
    Languages Spoken:
    English
    Offers Telehealth

    Eugene Symaco is a primary care provider, practicing in Internal Medicine in Covina, California. He has been practicing medicine for over 13 years. Dr. Symaco is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Maturity Onset Diabetes of the Young, High Cholesterol, Gout, and Type 2 Diabetes (T2D). Dr. Symaco is board certified in American Board Of Internal Medicine.

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

    Burrows Family Practice, Inc.

    1377 S Grand Ave, 
    Glendora, CA 
     (2.0 miles away)
    Experience:
    41+ years
    Languages Spoken:
    English
    Offers Telehealth

    Oliver Burrows is a primary care provider, practicing in Family Medicine in Glendora, California. He has been practicing medicine for over 41 years. Dr. Burrows is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Vitamin D Deficiency, Osteomyelitis in Children, High Cholesterol, and Tracheitis. Dr. Burrows is board certified in American Board Of Family Medicine.

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

    Mallu C. Reddy M.D., Inc

    459 S Azusa Ave, 
    Azusa, CA 
     (2.0 miles away)
    Experience:
    37+ years
    Languages Spoken:
    English
    Offers Telehealth

    Mallu Reddy is a primary care provider, practicing in Internal Medicine in Azusa, California. He has been practicing medicine for over 37 years. Dr. Reddy is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 45 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Hypertension, Glucocorticoid-Remediable Aldosteronism, Endoscopy, and Gastrostomy. Dr. Reddy is board certified in American Board Of Internal Medicine.

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

    Office

    1343 E Gladstone St Ste 100, 
    Glendora, CA 
     (2.9 miles away)
    Languages Spoken:
    English

    Yen Lai is a primary care provider, practicing in Family Medicine in Glendora, California. Dr. Lai is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. She is also highly rated in 13 other conditions, according to our data. Her clinical expertise encompasses Aromatase Deficiency, Renal Hypomagnesemia Type 2, Methylmalonic Acidemia with Homocystinuria, and Homocystinuria.

    Advanced in Vitamin D Deficiency
    Nurse Practitioner
    Advanced in Vitamin D Deficiency
    Nurse Practitioner

    Office

    741 S Orange Ave Ste 151, 
    West Covina, CA 
     (3.1 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English

    Oliver Chiu is a Nurse Practitioner practicing medicine in West Covina, California. He has been practicing medicine for over 10 years. Mr. Chiu is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Vitamin D Deficiency and Muscle Spasms.

    Experienced in Vitamin D Deficiency
    Endocrinology | Internal Medicine
    Experienced in Vitamin D Deficiency
    Endocrinology | Internal Medicine

    Kidney Disease Medical Group

    1540 W West Covina Pkwy, 
    West Covina, CA 
     (3.2 miles away)
    Experience:
    23+ years
    Languages Spoken:
    English
    Offers Telehealth

    Michel Zakari is an Internal Medicine specialist and an Endocrinologist practicing medicine in West Covina, California. He has been practicing medicine for over 23 years. Dr. Zakari is rated as an Experienced 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 Acute Kidney Failure, End-Stage Renal Disease (ESRD), Low Sodium Level, and Necrosis. Dr. Zakari is board certified in American Board Internal Medicine.

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

    Oncology Physicians Network Of California PC

    412 W Carroll Ave, 
    Glendora, CA 
     (3.2 miles away)
    Experience:
    27+ years
    Languages Spoken:
    English

    Raymundo Romero is an Internal Medicine provider practicing medicine in Glendora, California. He has been practicing medicine for over 27 years. Dr. Romero is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Plasmacytoma, Anemia, Inflammatory Breast Cancer, and Thrombocytopenia. Dr. Romero is board certified in American Board Of Internal Medicine.

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

    Carlos Beharie M.D. Medical Group Inc.

    4126 Maine Ave, 
    Baldwin Park, CA 
     (4.0 miles away)
    Languages Spoken:
    English

    Thomas Chong is a primary care provider, practicing in Family Medicine in Baldwin Park, California. Dr. Chong 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 Obesity in Children, Vitamin D Deficiency, Food Allergy, and Familial Hypertriglyceridemia.

    Showing 1-20 of 721

    Last Updated: 04/28/2026

    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 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 D 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 D 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 D 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 D 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 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 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 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 Covina, 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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