
Overview
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.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER MEDICARE PART D
- PPO
- HMO
- INSURANCE PLAN
- PPO
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- MEDICARE MAPD
- OTHER MEDICARE
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- HMO
- POS
- EPO
- HMO
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- EPO
- HMO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- OTHER COMMERCIAL
- EPO
- HMO
- POS
- PPO
- EPO
- 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
6450 W. Touhy Ave., 2nd Floor, Niles, IL 60714
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
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).
Endeavor Health Medical Group
Jefferson Schott, DO, an internal medicine physician at Endeavor Health, provides primary care to adults 18 and older. He emphasizes preventive care, including vaccinations and cancer screenings, and prioritizes patient involvement in shared decision-making. With a focus on early diagnosis and minimizing unnecessary testing, Dr. Schott strives to create a welcoming, efficient office experience that supports long-term health and wellbeing. Dr. Schott is rated as a Distinguished provider by MediFind in the treatment of Benign Paroxysmal Positional Vertigo. His top areas of expertise are Lymphofollicular Hyperplasia, Toxic Nodular Goiter, Chronic Cough, and Sitosterolemia.
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
- Advanced
- Benign Paroxysmal Positional Vertigo
- CirrhosisDr. Nahhas isAdvanced. Learn about Cirrhosis.
- CostochondritisDr. Nahhas isAdvanced. Learn about Costochondritis.
- Familial Combined HyperlipidemiaDr. Nahhas isAdvanced. Learn about Familial Combined Hyperlipidemia.
- Familial HypertensionDr. Nahhas isAdvanced. Learn about Familial Hypertension.
- Glucocorticoid-Remediable Aldosteronism
- Experienced
- Acanthosis NigricansDr. Nahhas isExperienced. Learn about Acanthosis Nigricans.
- Acute CystitisDr. Nahhas isExperienced. Learn about Acute Cystitis.
- Allergic RhinitisDr. Nahhas isExperienced. Learn about Allergic Rhinitis.
- Alopecia AreataDr. Nahhas isExperienced. Learn about Alopecia Areata.
- AnemiaDr. Nahhas isExperienced. Learn about Anemia.
- Aphthous StomatitisDr. Nahhas isExperienced. Learn about Aphthous Stomatitis.


