NPI Portal NPI Lookup & Verification

Internal Medicine in St Charles, IL

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

Internal Medicine providers in St Charles, IL
NPI Name Type Specialty Location
1184947574 Best Practices Inpatient Care, Ltd. Organization Internal Medicine Physician St Charles, IL
1174944516 Carol Palackdharry Individual Medical Oncology Physician St Charles, IL
1295785756 Catherine Thomas Individual Internal Medicine Physician St Charles, IL
1528044658 Darran Moxon Individual Gastroenterology Physician St Charles, IL
1447638614 David C. Roble, Mdsc Organization Internal Medicine Physician St Charles, IL
1093836827 Fox Prairie Medical Group P C Organization Internal Medicine Physician St Charles, IL
1861562175 Greater Valley Medicine Organization Internal Medicine Physician St Charles, IL
1588044507 Infinitus Corporation Organization Internal Medicine Physician St Charles, IL
1104824887 Jeff Victor Individual Gastroenterology Physician St Charles, IL
1053440008 Laura Tagle Individual Internal Medicine Physician St Charles, IL
1912167669 Lawrence Yoo Individual Internal Medicine Physician St Charles, IL
1588734818 Lori Zimmers Individual Internal Medicine Physician St Charles, IL
1962146258 Marissa Jama Individual Internal Medicine Physician St Charles, IL
1073739611 Michele P Thatcher MD Ltd Organization Internal Medicine Physician St Charles, IL
1073510335 Scott Mcnaughton Individual Internal Medicine Physician St Charles, IL
1487657524 Vivian Vanroekel Individual Internal Medicine Physician St Charles, IL
1538335955 Yogesh Patel Individual Gastroenterology Physician St Charles, IL
1467452573 Zbigniew Ciechanowski Individual Internal Medicine Physician St Charles, IL

Frequently asked questions

How many Internal Medicine providers are in St Charles, IL?
The latest NPPES snapshot lists 18 active Internal Medicine providers with a practice address in St Charles, Illinois.
How do I check a Internal Medicine provider's NPI in St Charles?
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.