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.

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.

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.

Naveed Iqbal is an Internal Medicine provider in Palos Park, Illinois. Dr. Iqbal is highly rated in 16 conditions, according to our data. His top areas of expertise are Coronary Heart Disease, Arterial Embolism, Atherosclerosis, Angina, and Atherectomy.

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 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.

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.

John Hibbeln is an Internal Medicine provider in Maywood, Illinois. Dr. Hibbeln is highly rated in 7 conditions, according to our data. His top areas of expertise are Visceromegaly, Thyroid Nodule, Muscle Invasive Bladder Cancer, and Gallbladder Disease.

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.

Kevin Petermann is an Internal Medicine provider in Oak Lawn, Illinois. Dr. Petermann is highly rated in 1 condition, according to our data. His top areas of expertise are Varicose Veins, Primary Intestinal Lymphangiectasia, Meige Disease, and Lymphangiectasis. Dr. Petermann is currently accepting new patients.

Samiya Hashmi, MD, an internal medicine hospitalist at Endeavor Health, provides compassionate care for patients during their most vulnerable moments. Raised in a family of physicians, Dr. Hashmi was drawn to hospital medicine to support people during times of uncertainty. She creates a safe, approachable environment where patients feel heard and empowered. Dr. Hashmi is also passionate about improving hospital workflows through telemedicine and AI, ensuring timely and efficient care delivery. Her top areas of expertise are Gallbladder Disease, Heart Failure with Preserved Ejection Fraction (HFpEF), Colonoscopy, and Endoscopy.

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 know that lifestyle choices can have a major impact on your wellness, and it’s never too late to make changes that will improve your health and happiness. With a background in hospital medicine, I am comfortable treating a variety of complex medical problems and believe in a collaborative approach to care that is personalized to you. I will listen and work with you to prevent and treat medical problems and achieve your health goals. Her top areas of expertise are Gallbladder Disease, Heart Failure with Preserved Ejection Fraction (HFpEF), Hypertension, Gastrostomy, and Bone Graft.

I think it’s most important to empower my patients through education. I take the time to listen and then focus on educating them about their general health, well being and disease processes. Her top areas of expertise are Vitamin D Deficiency and Hypertension.

Much of what the patient has to achieve in healing and health is already within them; my role is to point them in the right directions so that they can take charge and ownership of their health care and wellness. His top areas of expertise are Sitosterolemia, Obesity, Primary Progressive Aphasia, and Frontotemporal Dementia.

To me it is important to understand the patient's perspective. This will help us to maximize their health goals. In addition, having a child with type 1 diabetes and another who had a liver transplant, I understand how it feels to be a parent navigating through the medical system. I strive make the patient experience as worthwhile and comfortable as possible for parents and their children. Her top areas of expertise are Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.

Surbhi Shah is a primary care provider, practicing in Internal Medicine in Bolingbrook, Illinois. Her top areas of expertise are Opisthotonos, Muscle Spasms, Chronic Cough, and Cirrhosis.