MediFind found 72 doctor with experience in Vitamin D Deficiency near Riverhead, NY. Of these, 62 are Experienced and 10 are Advanced.
Peconic Bay Medical Group At Riverhead, 34 Commerce Drive
Evan Nadal is a primary care provider, practicing in Family Medicine 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.
610 Tyler Drive
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.
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 Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Genital Herpes.
Shaikh Ahmed is a primary care provider, practicing in Family Medicine 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, Acute Kidney Failure, Sepsis, Gastrostomy, and Endoscopy.
Peconic Bay Medical Group At Manorville, Building D1
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.
Long Island Select Healthcare, Inc
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.
Simon Fensterszaub is a primary care provider, practicing in Family Medicine and Internal Medicine in Riverhead, New York. Dr. Fensterszaub is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Seasonal Affective Disorder (SAD).
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, Adenylosuccinate Lyase Deficiency, Hereditary Xanthinuria, and Hypothyroidism.
Peconic Bay Medical Group At Manorville, Building D1
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.
Peconic Bay Medical Group At Hampton Bays
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.
Northwell Health Physician Partners Endocrinology At Wading River
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.
Peconic Bay Medical Group At Wading River
Cynthia Carlson is a primary care provider, practicing in Family Medicine in Wading River, New York. Dr. Carlson is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are High Cholesterol, Hypothyroidism, Hypertension, and Familial Hypertension.
Peconic Bay Medical Group At Wading River
Danielle Stoebe is a Physician Assistant in Wading River, New York. Ms. Stoebe 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 Vitamin B12 Deficiency.
Long Island Select Healthcare, Inc
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).
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.
Caremed Primary And Urgent Care PC
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.
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 Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Hypothyroidism.
Suffolk Dermatology PC
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.
Dr. Bellamy Brook Do PC
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, Familial Hypertension, Hypertension, and Cirrhosis.
Peconic Bay Primary Medical Care
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.
Last Updated: 01/09/2026






