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Internal Medicine in Naperville, IL

Active Internal Medicine providers practising in Naperville, Illinois. Profiles include the NPI number, taxonomy code, license state, and practice address.

250 providers indexed

Internal Medicine providers in Naperville, IL

NPI Name Type Specialty Location
1578851515 Abdullah Quddus Individual Interventional Cardiology Physician Naperville, IL
1194092031 Abhishek Bhandari Individual Gastroenterology Physician Naperville, IL
1912963919 Academic Endocrine Metabolism & Nutrition Organization Endocrinology, Diabetes & Metabolism Physician Naperville, IL
1588630669 Adam Klugman Individual Gastroenterology Physician Naperville, IL
1386815504 Adam Schriedel Individual Internal Medicine Physician Naperville, IL
1881888485 Advanced Spine & Joint Rehabilitation Service Corp Organization Endocrinology, Diabetes & Metabolism Physician Naperville, IL
1124455126 Adventist Health Partners, Inc Organization Internal Medicine Physician Naperville, IL
1548426745 Ahmed Hassan Individual Critical Care Medicine (Internal Medicine) Physician Naperville, IL
1386698694 Alan Brown Individual Cardiovascular Disease Physician Naperville, IL
1831376359 Alan Wang Individual Gastroenterology Physician Naperville, IL
1083691349 Alexander Hantel Individual Hematology & Oncology Physician Naperville, IL
1972036010 Ali Imtiaz Individual Nephrology Physician Naperville, IL
1871684415 Alicia Lee Individual Internal Medicine Physician Naperville, IL
1609496850 Alla Jusufi Individual Internal Medicine Physician Naperville, IL
1679753164 Aman Ali Individual Cardiovascular Disease Physician Naperville, IL
1578903613 Amish Doshi Individual Internal Medicine Physician Naperville, IL
1235636309 Amtul Shafi Individual Endocrinology, Diabetes & Metabolism Physician Naperville, IL
1407205255 Amulya Gampa Individual Clinical Cardiac Electrophysiology Physician Naperville, IL
1306892229 Anand Ramanathan Individual Interventional Cardiology Physician Naperville, IL
1609032903 Anju Paul Individual Endocrinology, Diabetes & Metabolism Physician Naperville, IL
1528012846 Ann Davis Individual Cardiovascular Disease Physician Naperville, IL
1588847461 Arati A Reddy MD Sc Organization Endocrinology, Diabetes & Metabolism Physician Naperville, IL
1508027855 Aristidis Hatzidimitriadis Individual Internal Medicine Physician Naperville, IL
1740249259 Arun Kumar Individual Internal Medicine Physician Naperville, IL
1407146640 Asima Doriwala Individual Internal Medicine Physician Naperville, IL
1225989908 Atomicmedx Pllc Organization Internal Medicine Physician Naperville, IL
1124282546 Audrey Geannopoulos Individual Internal Medicine Physician Naperville, IL
1184253544 Ayesha Khan Individual Internal Medicine Physician Naperville, IL
1982698841 Barbara Emery-Stolzer Individual Internal Medicine Physician Naperville, IL
1982753653 Barry Fischer Individual Internal Medicine Physician Naperville, IL
1003019894 Boling Medical LLC Organization Internal Medicine Physician Naperville, IL
1295702439 Brian O'Leary Individual Internal Medicine Physician Naperville, IL
1891805263 Brian Schmitt Individual Internal Medicine Physician Naperville, IL
1134390750 Brinda Joshi Individual Rheumatology Physician Naperville, IL
1972665990 Cardiovascular Consultants of Naperville, Ltd. Organization Cardiovascular Disease Physician Naperville, IL
1992594022 Cardiovascular Institute Gpe Inc Organization Cardiovascular Disease Physician Naperville, IL
1538128517 Carol Weinberg Individual Internal Medicine Physician Naperville, IL
1245227271 Cathleen Cregier Individual Internal Medicine Physician Naperville, IL
1265407076 Chris Geannopoulos Individual Cardiovascular Disease Physician Naperville, IL
1265514962 Christine Amstadt Individual Internal Medicine Physician Naperville, IL
1255396511 Cicily Jones Individual Internal Medicine Physician Naperville, IL
1457340267 Constantine Wonais Individual Internal Medicine Physician Naperville, IL
1407046089 Cynthia Manfredi Individual Internal Medicine Physician Naperville, IL
1164402244 Darren Kastin Individual Gastroenterology Physician Naperville, IL
1497067409 David Barounis Individual Critical Care Medicine (Internal Medicine) Physician Naperville, IL
1891964441 David Kim Individual Cardiovascular Disease Physician Naperville, IL
1578579850 David Mcelligott Individual Pulmonary Disease Physician Naperville, IL
1891966982 David Mcelligott Individual Pulmonary Disease Physician Naperville, IL
1538166210 David Schlieben Individual Nephrology Physician Naperville, IL
1588710933 David Yang Individual Cardiovascular Disease Physician Naperville, IL

Frequently asked questions

How many Internal Medicine providers are in Naperville, IL?
The latest NPPES snapshot lists 250 active Internal Medicine providers with a practice address in Naperville, Illinois.
How do I check a Internal Medicine provider's NPI in Naperville?
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 2026-07-13.