The 20 Best Vitamin D Deficiency Doctors Near Me in commack, NY

Find the Top Vitamin D Deficiency Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 542 doctor with experience in Vitamin D Deficiency near commack, NY. Of these, 453 are Experienced, 77 are Advanced and 11 are Distinguished.

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542 providers found
    Distinguished in Vitamin D Deficiency
    Internal Medicine
    Distinguished in Vitamin D Deficiency
    Internal Medicine

    Mid-Suffolk Medical Care PC

    6277 Jericho Tpke, 
    Commack, NY 
     (0.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Mohammed Azaz is a primary care provider, practicing in Internal Medicine in Commack, New York. Dr. Azaz is rated as a Distinguished provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 35 other conditions, according to our data. His clinical expertise encompasses Obesity, High Cholesterol, Vitamin D Deficiency, and Obesity in Children. Dr. Azaz is currently accepting new patients.

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

    Mount Sinai Doctors Laboratory

    5 Cuba Hill Rd, 
    Greenlawn, NY 
     (4.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Mark Singer is a primary care provider, practicing in Internal Medicine in Greenlawn, New York. Dr. Singer is rated as a Distinguished provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 32 other conditions, according to our data. His clinical expertise encompasses Vitamin D Deficiency, Sitosterolemia, High Cholesterol, and Hypothyroidism. Dr. Singer is currently accepting new patients.

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

    Mount Sinai Doctors Laboratory

    5 Cuba Hill Rd, 
    Greenlawn, NY 
     (4.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Grace Tyndall is a primary care provider, practicing in Internal Medicine in Greenlawn, New York. Dr. Tyndall is rated as a Distinguished 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 Sitosterolemia, Vitamin D Deficiency, High Cholesterol, and Hypothyroidism. Dr. Tyndall is currently accepting new patients.

    Learn about our expert tiers
    Distinguished in Vitamin D Deficiency
    Endocrinology
    Distinguished in Vitamin D Deficiency
    Endocrinology
    Referral required
    6080 Jericho Turnpike, 
    Commack, NY 
     (0.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Edward Condon is an Endocrinologist practicing medicine in Commack, New York. Dr. Condon is rated as a Distinguished provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 58 other conditions, according to our data. His clinical expertise encompasses Hashimoto Thyroiditis, Polycystic Ovary Syndrome, Obesity in Children, and Infertility. Dr. Condon is currently accepting new patients.

    Distinguished in Vitamin D Deficiency
    Endocrinology
    Distinguished in Vitamin D Deficiency
    Endocrinology
    Referral required

    Mount Sinai Doctors Laboratory

    5 Cuba Hill Rd, 
    Greenlawn, NY 
     (4.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    John Tloczkowski is an Endocrinologist practicing medicine in Greenlawn, New York. Dr. Tloczkowski is rated as a Distinguished provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 44 other conditions, according to our data. His clinical expertise encompasses Diabetic Nephropathy, Type 2 Diabetes (T2D), Obesity in Children, and Hypothyroidism. Dr. Tloczkowski is currently accepting new patients.

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

    Mount Sinai Doctors Laboratory

    5 Cuba Hill Rd, 
    Greenlawn, NY 
     (4.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Glenn Rosett is a primary care provider, practicing in Internal Medicine in Greenlawn, New York. Dr. Rosett is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 28 other conditions, according to our data. His clinical expertise encompasses Sitosterolemia, Bronchitis, High Cholesterol, and Glucocorticoid-Remediable Aldosteronism. Dr. Rosett is currently accepting new patients.

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

    Mount Sinai Doctors Laboratory

    5 Cuba Hill Rd, 
    Greenlawn, NY 
     (4.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Barbara Stumacher is a primary care provider, practicing in Internal Medicine in Greenlawn, New York. Dr. Stumacher is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. She is also highly rated in 20 other conditions, according to our data. Her clinical expertise encompasses Sitosterolemia, Congenital Sucrase-Isomaltase Deficiency, Glucose Phosphate Isomerase Deficiency, and Glucose-Galactose Malabsorption Deficiency. Dr. Stumacher is currently accepting new patients.

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

    Northwell Health Physician Partners Family Medicine At Smithtown

    9 Brooksite Drive, 
    Smithtown, NY 
     (4.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Miriam Riaz is a primary care provider, practicing in Family Medicine in Smithtown, New York. Dr. Riaz is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. Her clinical expertise encompasses Empyema, Sinusitis, High Cholesterol, and Obesity in Children. Dr. Riaz is currently accepting new patients.

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

    VR Leddy M.D. PC

    160 4th St, 
    Brentwood, NY 
     (4.9 miles away)
    Languages Spoken:
    English, Spanish
    Accepting New Patients
    Offers Telehealth

    Vincent Leddy is a primary care provider, practicing in Internal Medicine in Brentwood, New York. Dr. Leddy is rated as a Distinguished provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 57 other conditions, according to our data. His clinical expertise encompasses Asthma, Obesity, Vitamin D Deficiency, and Gastroesophageal Reflux Disease (GERD). Dr. Leddy is currently accepting new patients.

    Distinguished in Vitamin D Deficiency
    Family Medicine
    Distinguished in Vitamin D Deficiency
    Family Medicine

    Dr. Anthony J. Rizzo

    200 Howells Rd, 
    Bay Shore, NY 
     (7.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Anthony Rizzo is a primary care provider, practicing in Family Medicine in Bay Shore, New York. Dr. Rizzo is rated as a Distinguished provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 138 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Gastrostomy, and Pacemaker Implantation. Dr. Rizzo is currently accepting new patients.

    Distinguished in Vitamin D Deficiency
    Family Medicine
    Distinguished in Vitamin D Deficiency
    Family Medicine

    Vikas Desai MD PC

    45 E Main St, 
    East Islip,, NY 
     (9.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Vikas Desai is a primary care provider, practicing in Family Medicine in East Islip,, New York. Dr. Desai is rated as a Distinguished provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 66 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Maturity Onset Diabetes of the Young, Hypertension, and Familial Hypertension. Dr. Desai is currently accepting new patients.

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

    St. Catherine Of Siena Diagnostic Imaging

    500 Commack Rd, 
    Commack, NY 
     (1.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Grace Reina is a primary care provider, practicing in Internal Medicine in Commack, New York. Dr. Reina is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. She is also highly rated in 14 other conditions, according to our data. Her clinical expertise encompasses Hypothyroidism, Obesity in Children, Childhood Iron Deficiency Anemia, and Infant Hyperglycemia. Dr. Reina is currently accepting new patients.

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

    St. Catherine Of Siena Diagnostic Imaging

    500 Commack Rd, 
    Commack, NY 
     (1.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ayse Bag Ozbek is a Rheumatologist practicing medicine in Commack, New York. Dr. Bag Ozbek is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Raynaud Phenomenon, Hypersensitivity Vasculitis, Goodpasture Syndrome, and Fibromyalgia. Dr. Bag Ozbek is currently accepting new patients.

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

    St. Catherine Of Siena Diagnostic Imaging

    500 Commack Rd, 
    Commack, NY 
     (1.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Saika Sharmeen is a primary care provider, practicing in Internal Medicine in Commack, New York. Dr. Sharmeen is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Arthritis, Reactive Arthritis, Necrotizing Vasculitis, and Raynaud Phenomenon. Dr. Sharmeen is currently accepting new patients.

    Advanced in Vitamin D Deficiency
    Internal Medicine
    Advanced in Vitamin D Deficiency
    Internal Medicine
    5 Cuba Hill Road, 
    Greenlawn, NY 
     (3.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Alexander O'connell is a primary care provider, practicing in Internal Medicine in Greenlawn, New York. Dr. O'connell is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Vitamin D Deficiency, Hypothyroidism, and Glucocorticoid-Remediable Aldosteronism. Dr. O'connell is board certified in American Board Of Internal Medicine.

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

    Mark Tan M.D. PC

    222 E Main St Ste 312, 
    Smithtown, NY 
     (4.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Mark Tan is a primary care provider, practicing in Internal Medicine in Smithtown, New York. Dr. Tan is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Familial Cold Autoinflammatory Syndrome, Septic Arthritis, Sensorimotor Polyneuropathy, and Andermann Syndrome. Dr. Tan is currently accepting new patients.

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

    Mount Sinai Doctors Laboratory

    5 Cuba Hill Rd, 
    Greenlawn, NY 
     (4.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Sekar Vaish is a Rheumatologist practicing medicine in Greenlawn, New York. Dr. Vaish is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Undifferentiated Connective Tissue Disease (UCTD), Polymyalgia Rheumatica, Rhizomelic Pseudopolyarthritis, and Hypersensitivity Vasculitis. Dr. Vaish is currently accepting new patients.

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

    Northwell Health Physician Partners Family Medicine At Commack

    777 Larkfield Road, Suite 1, 
    Commack, NY 
     (1.1 miles away)
    Languages Spoken:
    English, Gujarati , Hindi, Marathi, Tulu, Urdu
    Offers Telehealth

    Sharmilee Shetty is a primary care provider, practicing in Family Medicine in Commack, New York. Dr. Shetty is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. Her clinical expertise encompasses Obesity in Children, High Cholesterol, Obesity, and Hypothyroidism. Dr. Shetty is board certified in American Board Of Family Medicine.

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

    Northwell Health Physician Partners Family Medicine At Commack

    777 Larkfield Road, Suite 1, 
    Commack, NY 
     (1.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Matteo Spera is a primary care provider, practicing in Family Medicine in Commack, New York. Dr. Spera is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His clinical expertise encompasses Obesity, Sitosterolemia, Obesity in Children, and High Cholesterol.

    Advanced in Vitamin D Deficiency
    Nurse Practitioner
    Advanced in Vitamin D Deficiency
    Nurse Practitioner
    Referral may be required

    U C P A Of Greater Suffolk

    159 Indian Head Rd, 
    Commack, NY 
     (1.2 miles away)
    Languages Spoken:
    English

    Eileen Ingenito is a Nurse Practitioner practicing medicine in Commack, New York. Ingenito, NP 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 Cri-Du-Chat Syndrome, Vitamin D Deficiency, Angiomyoma, and Schizoaffective Disorder.

    Showing 1-20 of 542

    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 commack, NY?

    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 commack, NY?

    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 commack, NY?

    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 commack, NY?

    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 commack, NY?

    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 commack, NY?

    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 commack, NY?

    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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