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    Last Updated: 10/30/2025

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    MediFind found 70 doctor with experience in Vitamin D Deficiency near Riverhead, NY. Of these, 61 are Experienced and 9 are Advanced.

    Location
    LocationClose
    70 providers found
      Advanced in Vitamin D Deficiency
      Nurse Practitioner
      Advanced in Vitamin D Deficiency
      Nurse Practitioner

      Long Island Select Healthcare, Inc

      883 E Main St, 
      Riverhead, NY 
       (0.7 miles away)
      Languages Spoken:
      English

      Susan Melnick is a Nurse Practitioner in Riverhead, New York. Ms. Melnick is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Vitamin D Deficiency, Schizoaffective Disorder, Urea Cycle Disorders (UCD), and Muscle Spasms.

      Evan Nadal
      Experienced in Vitamin D Deficiency
      Family Medicine
      Experienced in Vitamin D Deficiency
      Family Medicine

      Peconic Bay Medical Group At Riverhead, 34 Commerce Drive

      34 Commerce Avenue, 
      Riverhead, NY 
       (1.2 miles away)
      Languages Spoken:
      English

      After receiving his Bachelor of Arts Degree at the University Of Pennsylvania, Dr. Evan Nadal attended Medical School at the New York College of Osteopathic Medicine. Upon graduating from Medical School, Dr. Nadal completed a Residency in Family Medicine at The University of Medicine and Dentistry of New Jersey and became Board Certified in Family Medicine. He then went on to work for Montefiore Medical Center as a Family Physician and Clinic Medical Director for 14 years. Dr. Nadal joined the part-time teaching staff in the department of Family Medicine at the New York College of Osteopathic Medicine soon after graduating from his residency and has continued to teach medical students ever since. Dr. Nadal moved to the East End of Long Island in 1998 where he took over a Family Medicine Practice in Riverhead, New York. Dr. Nadal become the Assistant Program Director of the Family Medicine Residency at Peconic Bay Medical Center in Riverhead New York in 2011 and then became the Program Director of the Family Medicine Residency at Peconic Bay Medical Center in January of 2016. In addition to being the Program Director for the Family Medicine Residency at Peconic Bay Medical Center/ Northwell Health in Riverhead New York, Dr. Nadal continues to teach medical students along with Family Medicine Residents and maintains a busy Family Medicine Practice in Riverhead, New York. Dr. Nadal is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Lyme Disease, Anemia, High Cholesterol, and High Potassium Level.

      What does Elite, Distinguished, Advanced, Experienced mean?
      Advanced in Vitamin D Deficiency
      Family Medicine
      Advanced in Vitamin D Deficiency
      Family Medicine
      31 Main Rd, Suite 1, 
      Riverhead, NY 
       (1.6 miles away)
      Languages Spoken:
      English

      Vishnudat Seodat is a primary care provider, practicing in Family Medicine in Riverhead, New York. Dr. Seodat is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Adenine Phosphoribosyltransferase Deficiency, Hereditary Xanthinuria, Adenylosuccinate Lyase Deficiency, and Hypothyroidism.

      Learn about our expert tiers
      Experienced in Vitamin D Deficiency
      Endocrinology
      Experienced in Vitamin D Deficiency
      Endocrinology
      632 Roanoke Ave, 
      Riverhead, NY 
       (0.4 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Charmian Cohen is an Endocrinologist in Riverhead, New York. Dr. Cohen is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Hypothyroidism, Obesity in Children, Hyperthyroidism, and Hashimoto Thyroiditis.

      Experienced in Vitamin D Deficiency
      Physician Assistant
      Experienced in Vitamin D Deficiency
      Physician Assistant

      Long Island Select Healthcare, Inc

      883 E Main St, 
      Riverhead, NY 
       (0.7 miles away)
      Languages Spoken:
      English

      Matthew Brown is a Physician Assistant in Riverhead, New York. Mr. Brown is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Vitamin D Deficiency, Schizoaffective Disorder, and Urea Cycle Disorders (UCD).

      Experienced in Vitamin D Deficiency
      Internal Medicine
      Experienced in Vitamin D Deficiency
      Internal Medicine
      25 Cranberry St, Suite B, 
      Riverhead, NY 
       (0.8 miles away)
      Languages Spoken:
      English

      Lilly Steel is a primary care provider, practicing in Internal Medicine in Riverhead, New York. Dr. Steel is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Sitosterolemia.

      Experienced in Vitamin D Deficiency
      Internal Medicine
      Experienced in Vitamin D Deficiency
      Internal Medicine
      1 Heroes Way, 
      Riverhead, NY 
       (1.2 miles away)
      Languages Spoken:
      English, Spanish

      Stephanie Branigan is a primary care provider, practicing in Internal Medicine in Riverhead, New York. Dr. Branigan is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Genital Herpes.

      Experienced in Vitamin D Deficiency
      Family Medicine
      Experienced in Vitamin D Deficiency
      Family Medicine
      13000 Roanoke Avenue, 
      Riverhead, NY 
       (1.2 miles away)
      Languages Spoken:
      English, Bengali, Hindi

      Shaikh Ahmed is a Family Medicine provider in Riverhead, New York. Dr. Ahmed is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Liver Failure, Heart Failure with Preserved Ejection Fraction (HFpEF), Venous Thromboembolism (VTE), Gastrostomy, and Endoscopy.

      Experienced in Vitamin D Deficiency
      Family Medicine | Emergency Medicine
      Experienced in Vitamin D Deficiency
      Family Medicine | Emergency Medicine

      Caremed Primary And Urgent Care PC

      1228 E Main St, Suite C, 
      Riverhead, NY 
       (1.2 miles away)
      Languages Spoken:
      English

      John Veliath is an Emergency Medicine provider in Riverhead, New York. Dr. Veliath is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Vitamin B12 Deficiency and Vitamin D Deficiency.

      Experienced in Vitamin D Deficiency
      Internal Medicine
      Experienced in Vitamin D Deficiency
      Internal Medicine
      1190 Old Country Rd, 
      Riverhead, NY 
       (1.4 miles away)
      Languages Spoken:
      English

      Michael Dempsey is a primary care provider, practicing in Internal Medicine in Riverhead, New York. Dr. Dempsey is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, and Hypothyroidism.

      Experienced in Vitamin D Deficiency
      Physician Assistant
      Experienced in Vitamin D Deficiency
      Physician Assistant

      Suffolk Dermatology PC

      1190 Old Country Rd, Suite 1, 
      Riverhead, NY 
       (1.4 miles away)
      Languages Spoken:
      English

      Mariah Messina is a Physician Assistant in Riverhead, New York. Ms. Messina is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Vitamin D Deficiency and Plaque Psoriasis.

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

      Dr. Bellamy Brook Do PC

      300 Old Country Rd, Suite 2, 
      Riverhead, NY 
       (1.4 miles away)
      Languages Spoken:
      English

      Bellamy Brook is a primary care provider, practicing in Family Medicine in Riverhead, New York. Dr. Brook is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Cirrhosis.

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

      Peconic Bay Primary Medical Care

      34 Commerce Ave, 
      Riverhead, NY 
       (2.1 miles away)
      Languages Spoken:
      English

      Christopher Fecek is a primary care provider, practicing in Family Medicine in Riverhead, New York. Dr. Fecek is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Rocky Mountain Spotted Fever, Vitamin D Deficiency, Spotted Fever, and High Cholesterol.

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

      Peconic Bay Primary Medical Care

      34 Commerce Ave, 
      Riverhead, NY 
       (2.1 miles away)
      Languages Spoken:
      English

      Steven Spiegel is a primary care provider, practicing in Internal Medicine in Riverhead, New York. Dr. Spiegel is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Hypothyroidism, Obesity in Children, End-Stage Renal Disease (ESRD), and High Cholesterol.

      Experienced in Vitamin D Deficiency
      Rheumatology
      Experienced in Vitamin D Deficiency
      Rheumatology
      54 Commerce Ave, Suite 4, 
      Riverhead, NY 
       (2.1 miles away)
      Languages Spoken:
      English

      Roy Prashad is a Rheumatologist in Riverhead, New York. Dr. Prashad is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Rheumatoid Arthritis (RA), Polymyositis, Bursitis, and Gout.

      Fang Chen
      Advanced in Vitamin D Deficiency
      Internal Medicine
      Advanced in Vitamin D Deficiency
      Internal Medicine

      Peconic Bay Medical Group At Manorville, Building D1

      496 County Road 111, Building D1, 
      Manorville, NY 
       (7.8 miles away)
      Languages Spoken:
      English

      Fang Chen is a primary care provider, practicing in Internal Medicine in Manorville, New York. Dr. Chen is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Hypothyroidism, Obesity in Children, Rocky Mountain Spotted Fever, and High Cholesterol.

      Jeffrey Tiu
      Experienced in Vitamin D Deficiency
      Family Medicine
      Experienced in Vitamin D Deficiency
      Family Medicine

      Peconic Bay Medical Group At Manorville, Building D1

      496 County Road 111, Building D1, 
      Manorville, NY 
       (7.8 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Jeffrey Tiu is a primary care provider, practicing in Family Medicine in Manorville, New York. Dr. Tiu is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Rocky Mountain Spotted Fever, Spotted Fever, High Cholesterol, and Hypothyroidism.

      Darya Sterling
      Experienced in Vitamin D Deficiency
      Family Medicine
      Experienced in Vitamin D Deficiency
      Family Medicine

      Peconic Bay Medical Group At Hampton Bays

      80 East Montauk Highway, 
      Hampton Bays, NY 
       (8.0 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Darya Sterling is a primary care provider, practicing in Family Medicine in Hampton Bays, New York. Dr. Sterling is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Vitamin B12 Deficiency, Subacute Combined Degeneration, High Cholesterol, and Hypothyroidism.

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

      North Shore Hematology Oncology Associates PC

      6144 Route 25a, Suite 19, 
      Wading River, NY 
       (9.2 miles away)
      Languages Spoken:
      English

      John Muratori is a primary care provider, practicing in Family Medicine in Wading River, New York. Dr. Muratori is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, Blood Clots, and Hip Replacement.

      Michael W. Schaefer
      Experienced in Vitamin D Deficiency
      Experienced in Vitamin D Deficiency

      Northwell Health Physician Partners Endocrinology At Wading River

      6144 Route 25A, 
      Wading River, NY 
       (9.2 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Michael Schaefer is an Endocrinologist in Wading River, New York. Dr. Schaefer 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), Type 1 Diabetes (T1D), Hypothyroidism, and Obesity in Children.

      Showing 1-20 of 70

      Last Updated: 10/30/2025

      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 Riverhead, 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 Riverhead, 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 Riverhead, 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 Riverhead, 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 Riverhead, 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 Riverhead, 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 Riverhead, 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 

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