The 20 Best Vitamin D Deficiency Doctors near Winnetka, IL

Rahul Modi is a primary care provider, practicing in Family Medicine in Glenview, Illinois. Dr. Modi is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Mixed Gonadal Dysgenesis, Turner Syndrome, Perrault Syndrome, and Osteomyelitis in Children.

Cristina Manta is a primary care provider, practicing in Geriatrics in Park Ridge, Illinois. Dr. Manta is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Idiopathic Edema, Vitamin D Deficiency, Vertigo, and Hypertension.

Anthony Mccormack is a primary care provider, practicing in Family Medicine in Park Ridge, Illinois. Dr. Mccormack is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Dementia, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Familial Hypertension.

Lisa P. Purdy, MD, a specialist in endocrinology, diabetes & metabolism at Endeavor Health, manages a wide range of hormonal and metabolic conditions. She treats diabetes, thyroid disorders, adrenal and calcium imbalances and endocrine complications during pregnancy. Dr. Purdy delivers care for both common and complex endocrine concerns. Dr. Purdy is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Type 2 Diabetes (T2D), Type 1 Diabetes (T1D), Hyperparathyroidism, and Anaplastic Thyroid Cancer.

Branka O'Sullivan, MD, an internal medicine physician at Endeavor Health, provides primary care for adults with a focus on preventive health, wellness and chronic disease management. She partners with patients to build long-term care plans that support lasting health outcomes. Dr. O'sullivan is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Infant Hyperglycemia, Congenital Sucrase-Isomaltase Deficiency, Glucose Phosphate Isomerase Deficiency, and Glucose-Galactose Malabsorption Deficiency.

Diana Sandler, MD, a rheumatologist at Endeavor Health, provides long-term care for patients with autoimmune diseases such as rheumatoid arthritis, lupus and vasculitis. A third-generation physician, she brings a deep respect for the patient-provider relationship and tailors treatment plans to each person’s lifestyle and needs. Dr. Sandler values listening, trust and collaboration to help patients regain quality of life. Dr. Sandler is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Calcium Pyrophosphate Arthritis, Postmenopausal Osteoporosis, Osteoporosis, and Rhizomelic Pseudopolyarthritis.

Justin B. Gan, MD, a rheumatologist at Endeavor Health, specializes in the treatment of autoimmune and inflammatory conditions. He manages complex diseases such as lupus, dermatomyositis, gout and ankylosing spondylitis. Dr. Gan performs procedures like arthrocentesis and steroid injections to help relieve joint inflammation and improve mobility. Dr. Gan is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Calcium Pyrophosphate Arthritis, Polymyalgia Rheumatica, Rhizomelic Pseudopolyarthritis, and Relapsing Polychondritis.

Robert Hozman is an Internal Medicine specialist and a Rheumatologist in Skokie, Illinois. Dr. Hozman is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Rheumatoid Arthritis (RA), IgG4-Related Disease, MAGIC Syndrome, and Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcus Infections.

Stuart Sprague, DO, a nephrologist at Endeavor Health, brings decades of clinical experience and research to the care of patients with kidney disease. His work spans rare diseases, mineral metabolism and complex diagnostic challenges. Dr. Sprague is known for a patient-centered approach, especially for those who don’t fit typical treatment algorithms, and he continues to explore innovations in dialysis and artificial kidney development. Dr. Sprague is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Chronic Kidney Disease, Hypercalcemia, Milk-Alkali Syndrome, Parathyroidectomy, and Kidney Transplant.

Gregory Wallman is a primary care provider, practicing in Internal Medicine in Glenview, Illinois. Dr. Wallman is rated as a Distinguished provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Vitamin D Deficiency, Osteoarthritis, Alzheimer's Disease, and High Cholesterol.

Jini H. Han, MD, an internal medicine physician at Endeavor Health, provides primary care for adults with a focus on prevention, wellness and chronic disease management. She treats a wide range of health conditions and works with patients to develop personalized care plans that support long-term health goals. Dr. Han is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Vitamin D Deficiency, Lung Nodules, HER2 Negative Breast Cancer, and BRCA Positive Breast Cancer.

Brian Chicoine is a primary care provider, practicing in Family Medicine in Park Ridge, Illinois. Dr. Chicoine is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Down Syndrome, Alzheimer's Disease, Hypothyroidism, and Cellulitis.

Jonathan Maks is a primary care provider, practicing in Internal Medicine and Geriatrics in Wilmette, Illinois. Dr. Maks is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Vitamin D Deficiency, West Nile Virus Infection, Chronic Cough, and Calcium Pyrophosphate Arthritis.

Victoria Sandler, MD, an endocrinologist at Endeavor Health, specializes in diabetes, thyroid, adrenal and pituitary disorders, with a focus on endocrine care during pregnancy. She combines her passion for complex problem-solving with a commitment to individualized care, especially for pregnant patients with diabetes. Dr. Sandler works closely with her patients to implement small, sustainable steps toward better health and embraces the evolving field of diabetes technology, including insulin pumps. Dr. Sandler is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Type 2 Diabetes (T2D), Type 1 Diabetes (T1D), Hyperparathyroidism, and Medullary Thyroid Carcinoma.

Herman E. Blomeier, MD, a specialist in endocrinology, diabetes & metabolism at Endeavor Health, manages a wide range of hormonal and metabolic conditions. He treats adrenal and calcium disorders, diabetes, thyroid conditions and metabolic diseases. Dr. Blomeier speaks English and Spanish, helping him connect with a broader patient population to deliver individualized endocrine care. Dr. Blomeier 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), Diabetic Neuropathy, Obesity in Children, and Hypothyroidism.

Hasan Syed, DO, a specialist in endocrinology at Endeavor Health, diagnoses and treats a wide range of hormone-related conditions, including diabetes, thyroid disorders, and pituitary and adrenal gland issues. He combines a detail-oriented approach with empathy and open communication, helping patients understand their conditions and actively participate in their care. Dr. Syed is dedicated to fostering a supportive environment where patients feel informed, involved and confident in their treatment plan. Dr. Syed is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Type 1 Diabetes (T1D), Gestational Diabetes, Type 2 Diabetes (T2D), and Pituitary Tumor.

Liana Billings, MD, an endocrinologist and clinical researcher at Endeavor Health, specializes in diabetes care and cardiometabolic disease. She serves as Vice Chair of Research for the Department of Medicine and directs the Clinical and Genetics Research Program in Diabetes and Cardiometabolic Disease. Dr. Billings focuses on precision medicine to better understand how genetics influence diagnosis, treatment and outcomes. Through her Precision Medicine in Diabetes Consultation Clinic, she partners with patients to personalize therapies and improve quality of life, including for those with rare forms of diabetes. Dr. Billings is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Type 2 Diabetes (T2D), Type 1 Diabetes (T1D), Maturity Onset Diabetes of the Young, and Low Blood Sugar.

Disha Narang, MD, a physician at Endeavor Health, is board certified in endocrinology and serves as director of obesity medicine. She provides care for patients with diabetes, obesity and other hormone-related conditions, with a focus on long-term disease management and improving quality of life. Dr. Narang believes weight gain is a medical condition, not a personal failing, and creates inclusive, nonjudgmental care plans tailored to each patient’s journey. Dr. Narang is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Type 2 Diabetes (T2D), Low Blood Sugar, Hypothyroidism, and Type 1 Diabetes (T1D).

Michael Perry Rosenbaum, MD, a pediatrician at Endeavor Health, provides comprehensive medical care for children from infancy through adolescence. He focuses on preventive health, developmental milestones and the management of common childhood illnesses. Dr. Rosenbaum partners with families to support each child’s health, growth and wellbeing. Dr. Rosenbaum is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Stork Bite, Vascular Birthmark, Delayed Growth, and Viral Gastroenteritis.

Peter Jaggard is a primary care provider, practicing in Internal Medicine and Geriatrics in Evanston, Illinois. Dr. Jaggard has been practicing medicine for over 47 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Hospital-Acquired Pneumonia, Atypical Pneumonia, Low Sodium Level, and Lung Metastases.