NPI Portal NPI Lookup & Verification

Internal Medicine in Louisville, CO

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

Internal Medicine providers in Louisville, CO
NPI Name Type Specialty Location
1285101451 Alpine Center for Diabetes Endocrinology and Metabolism PC Organization Endocrinology, Diabetes & Metabolism Physician Louisville, CO
1588817464 Boulder Endocrinology Physicians Organization Endocrinology, Diabetes & Metabolism Physician Louisville, CO
1083696843 Christopher Fox Individual Endocrinology, Diabetes & Metabolism Physician Louisville, CO
1881127140 Colin Leffert Individual Gastroenterology Physician Louisville, CO
1679175038 Colorado Heart and Vascular PC Organization Cardiovascular Disease Physician Louisville, CO
1194896969 Derek Berg Individual Internal Medicine Physician Louisville, CO
1700452307 Ekg Associates Prof LLP Organization Cardiovascular Disease Physician Louisville, CO
1902944150 Erik Mondrow Individual Internal Medicine Physician Louisville, CO
1023156890 Flatiron Internal Medicine, P.C. Organization Internal Medicine Physician Louisville, CO
1558072025 Jessica Dowgiert Individual Internal Medicine Physician Louisville, CO
1932255544 John Mengshol Individual Gastroenterology Physician Louisville, CO
1255492104 Kelly Mandagere Individual Endocrinology, Diabetes & Metabolism Physician Louisville, CO
1043553753 Lauren Shaw Individual Internal Medicine Physician Louisville, CO
1760641070 Lisa A Iacofano MD PC Organization Internal Medicine Physician Louisville, CO
1508891011 Lisa Iacofano Individual Internal Medicine Physician Louisville, CO
1053537969 Medical Billing Management LLC Organization Internal Medicine Physician Louisville, CO
1619452364 Peak Internal Medicine Organization Internal Medicine Physician Louisville, CO
1780988691 Portercare Adventist Health System Organization Gastroenterology Physician Louisville, CO
1740552199 Portercare Adventist Health System Organization Cardiovascular Disease Physician Louisville, CO
1831561109 Portercare Adventist Health System Organization Medical Oncology Physician Louisville, CO
1912122938 Richard Wills Individual Internal Medicine Physician Louisville, CO
1851375414 Russell Tolley Individual Hematology & Oncology Physician Louisville, CO
1205929841 Scott Hallgren Individual Gastroenterology Physician Louisville, CO

Frequently asked questions

How many Internal Medicine providers are in Louisville, CO?
The latest NPPES snapshot lists 23 active Internal Medicine providers with a practice address in Louisville, Colorado.
How do I check a Internal Medicine provider's NPI in Louisville?
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 2026-07-11.