
Overview
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 Benign Paroxysmal Positional Vertigo. Her top areas of expertise are Infant Hyperglycemia, Congenital Sucrase-Isomaltase Deficiency, Glucose Phosphate Isomerase Deficiency, and Glucose-Galactose Malabsorption Deficiency.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- PPO
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- MEDICARE MAPD
- OTHER MEDICARE
- INSURANCE PLAN
- MEDICARE MAPD
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- POS
- PPO
- EPO
- POS
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE PDP
- EPO
- HMO
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER COMMERCIAL
- PPO
- EPO
- HMO
- POS
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
- MEDICARE MAPD
- MEDICARE SNP
Locations
9977 Woods Dr., Suite 100, Skokie, IL 60077
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 Benign Paroxysmal Positional Vertigo. His top areas of expertise are Vitamin D Deficiency, Osteoarthritis, Alzheimer's Disease, and High Cholesterol.
Endeavor Health Medical Group
Tony J. Nahhas, MD, a specialist in internal medicine at Endeavor Health, provides comprehensive care for adults with a focus on chronic disease management, aging-related conditions and preventive health. With 30 years of experience, he supports patients in managing diabetes, maintaining wellness and addressing gender-specific health needs. Dr. Nahhas speaks Arabic and English, allowing him to connect with a diverse patient population. Dr. Nahhas is rated as an Advanced provider by MediFind in the treatment of Benign Paroxysmal Positional Vertigo. His top areas of expertise are Vitamin D Deficiency, Type 2 Diabetes (T2D), Benign Paroxysmal Positional Vertigo, and Maturity Onset Diabetes of the Young.
Endeavor Health Medical Group
John M. Sultan, MD, an internal medicine physician at Endeavor Health, provides primary care for adults with an emphasis on integrative medicine. He combines conventional treatments with evidence-based complementary approaches to support patients’ overall health and long-term wellbeing. Dr. Sultan is rated as a Distinguished provider by MediFind in the treatment of Benign Paroxysmal Positional Vertigo. His top areas of expertise are Irritable Bowel Syndrome (IBS), Chronic Cough, Coronary Heart Disease, and Atrioventricular Nodal Reentrant Tachycardia (AVNRT).
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Distinguished
- Infant HyperglycemiaDr. O'sullivan isDistinguished. Learn about Infant Hyperglycemia.
- Advanced
- Benign Paroxysmal Positional VertigoDr. O'sullivan isAdvanced. Learn about Benign Paroxysmal Positional Vertigo.
- Chronic CoughDr. O'sullivan isAdvanced. Learn about Chronic Cough.
- Congenital Sucrase-Isomaltase DeficiencyDr. O'sullivan isAdvanced. Learn about Congenital Sucrase-Isomaltase Deficiency.
- End-Stage Renal Disease (ESRD)Dr. O'sullivan isAdvanced. Learn about End-Stage Renal Disease (ESRD).
- FaintingDr. O'sullivan isAdvanced. Learn about Fainting.
- Familial HypertensionDr. O'sullivan isAdvanced. Learn about Familial Hypertension.
- Experienced
- AbetalipoproteinemiaDr. O'sullivan isExperienced. Learn about Abetalipoproteinemia.
- Accessory PancreasDr. O'sullivan isExperienced. Learn about Accessory Pancreas.
- Acute Interstitial PneumoniaDr. O'sullivan isExperienced. Learn about Acute Interstitial Pneumonia.
- Acute Mountain SicknessDr. O'sullivan isExperienced. Learn about Acute Mountain Sickness.
- Alagille SyndromeDr. O'sullivan isExperienced. Learn about Alagille Syndrome.
- ALK-Positive Non-Small Cell Lung CancerDr. O'sullivan isExperienced. Learn about ALK-Positive Non-Small Cell Lung Cancer.


