The 20 Best Vitamin D Deficiency Doctors Near Me in Winnetka, IL
Find the Top Vitamin D Deficiency Experts and Specialists
Advocate Medical Group Family Medicine
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. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Turner Syndrome, Perrault Syndrome, Mixed Gonadal Dysgenesis, and Osteomyelitis in Children. Dr. Modi is board certified in American Board Of Family Medicine.
Advocate Medical Group Geriatric Medicine
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 clinical expertise encompasses Idiopathic Edema, Vitamin D Deficiency, Vertigo, and Glucocorticoid-Remediable Aldosteronism. Dr. Manta is board certified in American Board Of Internal Medicine, Geriatric Medicine.
Advocate Memory Center
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. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Dementia, Familial Hypertension, Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Mccormack is board certified in American Board Of Family Medicine.
Endeavor Health Medical Group
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. She is also highly rated in 48 other conditions, according to our data. Her clinical expertise encompasses Type 2 Diabetes (T2D), Type 1 Diabetes (T1D), Hyperparathyroidism, and Medullary Thyroid Carcinoma. Dr. Purdy is board certified in American Board Of Internal Medicine.
Endeavor Health Medical Group
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. She is also highly rated in 21 other conditions, according to our data. Her clinical expertise encompasses Infant Hyperglycemia, Congenital Sucrase-Isomaltase Deficiency, Glucose Phosphate Isomerase Deficiency, and Glucose-Galactose Malabsorption Deficiency. Dr. O'sullivan is board certified in American Board Of Internal Medicine.
Endeavor Health Medical Group
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. She is also highly rated in 26 other conditions, according to our data. Her clinical expertise encompasses Calcium Pyrophosphate Arthritis, Osteoporosis, Postmenopausal Osteoporosis, and Rhizomelic Pseudopolyarthritis. Dr. Sandler is board certified in American Board Of Internal Medicine.
Endeavor Health Medical Group
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. He is also highly rated in 38 other conditions, according to our data. His clinical expertise encompasses Calcium Pyrophosphate Arthritis, Polymyalgia Rheumatica, Rhizomelic Pseudopolyarthritis, and Relapsing Polychondritis. Dr. Gan is board certified in American Board Of Internal Medicine.
Robert A. Hozman, MD, SC
Robert Hozman is an Internal Medicine specialist and a Rheumatologist practicing medicine in Skokie, Illinois. He has been practicing medicine for over 44 years. Dr. Hozman is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Rheumatoid Arthritis (RA), IgG4-Related Disease, Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcus Infections, and Light Chain Deposition Disease (LCDD). Dr. Hozman is board certified in American Board Of Internal Medicine.
Endeavor Health Medical Group
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. He is also highly rated in 36 other conditions, according to our data. His clinical expertise encompasses Chronic Kidney Disease, Hypercalcemia, Milk-Alkali Syndrome, Parathyroidectomy, and Kidney Transplant. Dr. Sprague is board certified in American Board Of Internal Medicine.
Covenant Medical Group, LLC
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. He is also highly rated in 47 other conditions, according to our data. His clinical expertise encompasses Vitamin D Deficiency, Osteoarthritis, Alzheimer's Disease, and High Cholesterol. Dr. Wallman is board certified in American Board Of Internal Medicine.
Endeavor Health Medical Group
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. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Vitamin D Deficiency, Lung Nodules, BRCA Positive Breast Cancer, and HER2 Negative Breast Cancer. Dr. Han is board certified in American Board Of Internal Medicine.
Advocate Medical Group Adult Down Syndrome
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. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Down Syndrome, Alzheimer's Disease, Hypothyroidism, and Cellulitis. Dr. Chicoine is board certified in American Board Of Family Medicine.
North Shore Physician Group
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 clinical expertise encompasses Vitamin D Deficiency, West Nile Virus Infection, Chronic Cough, and Calcium Pyrophosphate Arthritis. Dr. Maks is board certified in American Board Of Internal Medicine.
Endeavor Health Medical Group
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. She is also highly rated in 31 other conditions, according to our data. Her clinical expertise encompasses Type 2 Diabetes (T2D), Type 1 Diabetes (T1D), Hyperparathyroidism, and Anaplastic Thyroid Cancer. Dr. Sandler is board certified in American Board Of Internal Medicine.
Endeavor Health Medical Group
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. He is also highly rated in 48 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Diabetic Neuropathy, Obesity in Children, and Hypothyroidism. Dr. Blomeier is board certified in American Board Of Internal Medicine.
Endeavor Health Medical Group
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 clinical expertise encompasses Type 1 Diabetes (T1D), Gestational Diabetes, Type 2 Diabetes (T2D), and Pituitary Tumor.
Endeavor Health Medical Group
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. She is also highly rated in 27 other conditions, according to our data. Her clinical expertise encompasses Type 2 Diabetes (T2D), Type 1 Diabetes (T1D), Maturity Onset Diabetes of the Young, and Low Blood Sugar. Dr. Billings is board certified in American Board Of Internal Medicine.
Endeavor Health Medical Group
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. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Type 2 Diabetes (T2D), Low Blood Sugar, Hypothyroidism, and Type 1 Diabetes (T1D). Dr. Narang is board certified in American Board Of Internal Medicine and American Board Of Obesity Medicine.
Endeavor Health Medical Group
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. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Vascular Birthmark, Stork Bite, Delayed Growth, and Viral Gastroenteritis. Dr. Rosenbaum is board certified in American Board Of Pediatrics.
Presbyterian Homes
Peter Jaggard is a primary care provider, practicing in Internal Medicine and Geriatrics in Evanston, Illinois. He has been practicing medicine for over 47 years. Dr. Jaggard 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 Hospital-Acquired Pneumonia, Atypical Pneumonia, Low Sodium Level, and Lung Metastases. Dr. Jaggard is board certified in American Board Of Internal Medicine.
Last Updated: 04/28/2026



















