Asha Vijayakumar is a primary care provider, practicing in Internal Medicine in Downers Grove, Illinois. Dr. Vijayakumar is highly rated in 2 conditions, according to our data. Her top areas of expertise are Agranulocytosis, Chronic Familial Neutropenia, Tracheitis, and Shingles.

Mark Tatara is a primary care provider, practicing in Internal Medicine in Downers Grove, Illinois. Dr. Tatara is highly rated in 2 conditions, according to our data. His top areas of expertise are Pulmonary Edema, Heart Failure, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

Rong Tu is an Internal Medicine provider in Lombard, Illinois. Dr. Tu is highly rated in 4 conditions, according to our data. His top areas of expertise are Chronic Obstructive Pulmonary Disease (COPD), Lung Metastases, Pneumonia, Obstructive Sleep Apnea, and Advanced Bronchoscopy.

Dr. Mathew Philip believes that true healing requires treating the whole person—mind, body, and soul—with compassion and care. Since beginning his medical career in 2006, he has gained extensive experience across inpatient, outpatient, and complex care settings. He also served as Duly Health and Care’s Chief Medical Officer of Value-Based Care from 2024 to 2025. A deeply personal experience—watching his father battle cancer—shaped Dr. Philip’s commitment to helping patients skillfully and compassionately navigate an often-complex healthcare system. His goal is always to partner with patients to create thoughtful, individualized care plans that reflect their unique needs and priorities. At the Schaumburg clinic, Dr. Philip approaches complex health issues with simple, effective solutions. By bringing together clinical expertise, comprehensive resources, and a supportive care team under one roof, he empowers patients to live healthier, happier lives. His top areas of expertise are Type 2 Diabetes (T2D), Heart Failure with Preserved Ejection Fraction (HFpEF), Nonalcoholic Steatohepatitis (NASH), and Nephrosclerosis.

Good health is often key to living life to the fullest. We all deserve a life of vitality and I am a firm believer that we can achieve this together. This is why I enjoy doing primary care and place an importance on preventive care. I also am dedicated to managing chronic diseases and try to empower patients to take control of their disease process. It's definitely a partnership between patient and physician. Her top areas of expertise are Subacute Combined Degeneration, Glossitis, Pernicious Anemia, and Multiple Carboxylase Deficiency.

Richard Mcpartlin is an Internal Medicine provider in Downers Grove, Illinois. His top area of expertise is Endoscopy.

To provide comprehensive medical care to patients. To work effectively with specialists to provide continuity of care. I have particular interest in women’s health and in chronic medical conditions including diabetes, heart disease, high blood pressure and high cholesterol. Her top areas of expertise are Osmotic Diuresis, Immune Thrombocytopenic Purpura (ITP), Adult Immune Thrombocytopenia, and Hemangioma Thrombocytopenia Syndrome.

I believe in developing a collaborative, trusting relationship with my patients which first and foremost includes listening to their concerns with compassion, followed by providing sound guidance to find the best treatment options for them as an individual. Her top areas of expertise are Collagenous Colitis, Type 2 Diabetes (T2D), Sitosterolemia, Maturity Onset Diabetes of the Young, and Ureteroscopy.

I aim to provide patient education and motivation to prevent disease and limit the complications of chronic disease. By putting the values and goals of my patients first, we can make decisions together to provide the best care possible. His top areas of expertise are Maturity Onset Diabetes of the Young, Pulmonary Embolism, Type 2 Diabetes (T2D), and Heart Failure with Preserved Ejection Fraction (HFpEF).

I'm an Internal Medicine Specialist, with over 25 years of experience providing care. Dr. Patel is highly rated in 29 conditions, according to our data. His top areas of expertise are COVID-19, Multisystem Inflammatory Syndrome in Children (MIS-C), Hypertension, Gastrostomy, and Ureteroscopy.

Robert King is a primary care provider, practicing in Internal Medicine in Downers Grove, Illinois. Dr. King is highly rated in 13 conditions, according to our data. His top areas of expertise are Necrosis, COVID-19, Heart Failure with Preserved Ejection Fraction (HFpEF), Gastrostomy, and Laminectomy.

Ninel Kandel, MD, an internal medicine physician at Endeavor Health, provides primary care with a focus on disease prevention, women’s health and healthy lifestyle management. She emphasizes a proactive approach to care, helping patients build sustainable habits for long-term wellbeing. Dr. Kandel is highly rated in 12 conditions, according to our data. Her top areas of expertise are Hemochromatosis, Polymyalgia Rheumatica, Rhizomelic Pseudopolyarthritis, and Cirrhosis.

Dilip Patel is a primary care provider, practicing in Internal Medicine in Melrose Park, Illinois. Dr. Patel is highly rated in 10 conditions, according to our data. His top areas of expertise are Anemia, Atherosclerosis, Coronary Heart Disease, Endoscopy, and Gastrostomy.

Grant Sievertsen is an Internal Medicine provider in Hinsdale, Illinois. Dr. Sievertsen has been practicing medicine for over 52 years is highly rated in 5 conditions, according to our data. His top areas of expertise are Vitamin D Deficiency, Hypothyroidism, Type 2 Diabetes (T2D), and Obesity in Children.

Carl Barsanti is an Internal Medicine provider in Lombard, Illinois. Dr. Barsanti is highly rated in 2 conditions, according to our data. His top areas of expertise are Lung Metastases, Chronic Obstructive Pulmonary Disease (COPD), Pneumonia, and Pulmonary Fibrosis.

Wayne D. Wong, MD, an internal medicine physician at Endeavor Health, provides care for adults with a focus on prevention, diagnosis and long-term management of acute and chronic conditions. He addresses a broad spectrum of patient needs, from routine wellness exams to complex medical concerns, and works with specialists when additional expertise is required. Dr. Wong emphasizes continuity of care to support patients’ overall health and wellbeing. Dr. Wong is highly rated in 1 condition, according to our data. His top areas of expertise are Heart Failure with Preserved Ejection Fraction (HFpEF), Gallbladder Disease, Atrioventricular Nodal Reentrant Tachycardia (AVNRT), Endoscopy, and Colonoscopy.

Barbara Potaczek, MD, a hospitalist at Endeavor Health, specializes in the care of adult patients during hospitalization. As an internal medicine physician focused exclusively on inpatient care, she is experienced in managing complex medical conditions and coordinating care across hospital teams. Her in-hospital presence allows for timely evaluations and adjustments, supporting continuity of care and improved patient outcomes. Dr. Potaczek is highly rated in 1 condition, according to our data. Her top areas of expertise are Heart Failure with Preserved Ejection Fraction (HFpEF), Gallbladder Disease, Intestinal Cancer, Endoscopy, and Colonoscopy.

Rizwan Mahmood is a primary care provider, practicing in Internal Medicine in Downers Grove, Illinois. Dr. Mahmood has been practicing medicine for over 10 years.

Carl Calandra is an Internal Medicine provider in Hinsdale, Illinois. Dr. Calandra is highly rated in 46 conditions, according to our data. His top areas of expertise are Trichohepatoenteric Syndrome, Diverticular Disease, Hemorrhoids, Endoscopy, and Gastrectomy.

David Sachtleben is a primary care provider, practicing in Internal Medicine in Westmont, Illinois. Dr. Sachtleben is highly rated in 17 conditions, according to our data. His top areas of expertise are Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and High Cholesterol.

Selina Chow is a primary care provider, practicing in Internal Medicine in Burr Ridge, Illinois. Dr. Chow is highly rated in 14 conditions, according to our data. Her top areas of expertise are Breast Cancer, Small Cell Lung Cancer (SCLC), Colorectal Cancer, and Diabetic Retinopathy.

Maytee Boonyapredee is an Internal Medicine provider in Hinsdale, Illinois. Dr. Boonyapredee is highly rated in 13 conditions, according to our data. His top areas of expertise are Acute Kidney Failure, Necrosis, Acute Arterial Occlusion of Kidney, Ureteroscopy, and Prostatectomy.

Peter Kerwin is an Internal Medicine provider in Downers Grove, Illinois. Dr. Kerwin is highly rated in 12 conditions, according to our data. His top areas of expertise are Apoplexy, Angina, Coronary Heart Disease, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement.

Mohammad Siddique is an Internal Medicine provider in Burr Ridge, Illinois. Dr. Siddique is highly rated in 9 conditions, according to our data. His top areas of expertise are Dementia, Hypertension, Familial Hypertension, and Anemia.

Robert Rauh is an Internal Medicine provider in Elmhurst, Illinois. Dr. Rauh is highly rated in 9 conditions, according to our data. His top areas of expertise are Coronary Heart Disease, Heart Failure with Preserved Ejection Fraction (HFpEF), Atherosclerosis, and Angina.