Internal Medicine in Sioux City, IA

69 active Internal Medicine providers practice in Sioux City, Iowa according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.

Internal Medicine providers in Sioux City, IA
NPI Name Type Specialty Location
1215924964 Amy Callaghan Individual Internal Medicine Physician Sioux City, IA
1275742090 Ashar Luqman Individual Nephrology Physician Sioux City, IA
1043284094 Cardiovascular Associates PC Organization Cardiovascular Disease Physician Sioux City, IA
1326094095 Caridad Tan Individual Nephrology Physician Sioux City, IA
1689750150 Craig Bainbridge Individual Internal Medicine Physician Sioux City, IA
1306894050 Dale Holdiman Individual Internal Medicine Physician Sioux City, IA
1740246008 Daniel Lamptey Individual Infectious Disease Physician Sioux City, IA
1972558229 David Daniels Individual Internal Medicine Physician Sioux City, IA
1457309197 David Lucke Individual Internal Medicine Physician Sioux City, IA
1790759512 Deborah Majerus Individual Cardiovascular Disease Physician Sioux City, IA
1346214343 Diane Werth Individual Cardiovascular Disease Physician Sioux City, IA
1861463275 Donald Wender Individual Hematology & Oncology Physician Sioux City, IA
1265406060 Edward Zajac Individual Interventional Cardiology Physician Sioux City, IA
1548256977 Frederick Stack Individual Internal Medicine Physician Sioux City, IA
1457331621 James Roat Individual Gastroenterology Physician Sioux City, IA
1649244682 Jeffrey Sykes Individual Cardiovascular Disease Physician Sioux City, IA
1558571497 Jerold Erlandson Individual Nephrology Physician Sioux City, IA
1659345668 Jerome Pierson Individual Cardiovascular Disease Physician Sioux City, IA
1285710764 Jitendrakumar Gupta Individual Pulmonary Disease Physician Sioux City, IA
1568417301 Johara Hassan Individual Internal Medicine Physician Sioux City, IA
1497727663 John Michalak Individual Hematology & Oncology Physician Sioux City, IA
1801858774 Jolynn Bugbee Individual Internal Medicine Physician Sioux City, IA
1275507071 Jon Peacock Individual Cardiovascular Disease Physician Sioux City, IA
1609837368 Mark Carlson Individual Internal Medicine Physician Sioux City, IA
1215978929 Mercy Medical Services Organization Internal Medicine Physician Sioux City, IA
1548203193 Mercy Medical Services Organization Internal Medicine Physician Sioux City, IA
1407801053 Min-Hwa Chow Individual Nephrology Physician Sioux City, IA
1194764001 Northwest Iowa Hospital Corporation Organization Internal Medicine Physician Sioux City, IA
1114967858 Peter Anderson Individual Internal Medicine Physician Sioux City, IA
1205880457 Pulmonary Associates, A Professional Corporation Organization Pulmonary Disease Physician Sioux City, IA
1699746016 Radha Rao Individual Hematology & Oncology Physician Sioux City, IA
1124104609 Robert Stewart Individual Internal Medicine Physician Sioux City, IA
1952390189 Rodrigo Torres Individual Internal Medicine Physician Sioux City, IA
1164545505 Roque Arteaga Individual Clinical Cardiac Electrophysiology Physician Sioux City, IA
1811914575 Siouxland Hematology Oncology Associates LLP Organization Hematology & Oncology Physician Sioux City, IA
1114904604 Siouxland Regional Cancer Center Organization Hematology & Oncology Physician Sioux City, IA
1962474155 Stephen Kahanic Individual Hematology & Oncology Physician Sioux City, IA
1649208604 Steven Feeney Individual Internal Medicine Physician Sioux City, IA
1538188057 Thong Pham Individual Clinical Cardiac Electrophysiology Physician Sioux City, IA
1154395937 William Wanner Individual Cardiovascular Disease Physician Sioux City, IA

Frequently asked questions

How many Internal Medicine providers are in Sioux City, IA?
The latest NPPES snapshot lists 69 active Internal Medicine providers with a practice address in Sioux City, Iowa.
How do I check a Internal Medicine provider's NPI in Sioux City?
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 2026-07-09.