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.
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| 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.