NPI Portal NPI Lookup & Verification

Internal Medicine in Willowbrook, IL

23 active Internal Medicine providers practice in Willowbrook, Illinois according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.

Internal Medicine providers in Willowbrook, IL
NPI Name Type Specialty Location
1801504683 Alma Gonzalez Individual Internal Medicine Physician Willowbrook, IL
1205978475 Angela Crowley Individual Rheumatology Physician Willowbrook, IL
1851477236 Anthony Delorenzo Individual Internal Medicine Physician Willowbrook, IL
1205857695 Bernard Nemchausky Individual Hepatology Physician Willowbrook, IL
1134485436 Burhani Clinic Organization Internal Medicine Physician Willowbrook, IL
1487651337 Daniel Grzegorek Individual Internal Medicine Physician Willowbrook, IL
1285823955 Integrated Health Center S.C. Organization Internal Medicine Physician Willowbrook, IL
1730290198 James John Individual Sports Medicine (Internal Medicine) Physician Willowbrook, IL
1740642628 Kpr Endocrinology LLC Organization Endocrinology, Diabetes & Metabolism Physician Willowbrook, IL
1871823872 Midwest Endocrine & Diabetes Care LLC Organization Endocrinology, Diabetes & Metabolism Physician Willowbrook, IL
1508898362 Muhammad Ali Individual Internal Medicine Physician Willowbrook, IL
1710088703 Osteopathic Sports Medicine, S.C. Organization Internal Medicine Physician Willowbrook, IL
1093398539 Pai Participant 27, PC Organization Geriatric Medicine (Internal Medicine) Physician Willowbrook, IL
1518715002 Panicker Internal Medicine Inc Organization Internal Medicine Physician Willowbrook, IL
1366455529 Rathna Yallapragada Individual Internal Medicine Physician Willowbrook, IL
1407926702 Roland Borrasi Individual Internal Medicine Physician Willowbrook, IL
1194912097 Soumya Health, LLC Organization Internal Medicine Physician Willowbrook, IL
1871780304 Southwest Medical Consultants, S.C. Organization Hematology & Oncology Physician Willowbrook, IL
1316904816 Suriya Sastri Individual Gastroenterology Physician Willowbrook, IL
1023387040 Suriya Sastri, Mdpc Organization Gastroenterology Physician Willowbrook, IL
1851574636 Susan M. Felber, M.D., S.C. Organization Internal Medicine Physician Willowbrook, IL
1023144698 Uzma Syed Individual Endocrinology, Diabetes & Metabolism Physician Willowbrook, IL
1093544983 Willow Rheumatology and Wellness, Pllc Organization Rheumatology Physician Willowbrook, IL

Frequently asked questions

How many Internal Medicine providers are in Willowbrook, IL?
The latest NPPES snapshot lists 23 active Internal Medicine providers with a practice address in Willowbrook, Illinois.
How do I check a Internal Medicine provider's NPI in Willowbrook?
Open a profile below to see the NPI number, taxonomy code, and practice address, then verify against the official NPPES registry — every profile links directly to the CMS record.

Source: CMS NPPES (public data). Snapshot 2026-07-10.