Internal Medicine in Lancaster, CA
158 active Internal Medicine providers practice in Lancaster, California 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 |
|---|---|---|---|---|
| 1114903762 | Abraham Paykar | Individual | Nephrology Physician | Lancaster, CA |
| 1689849986 | Abraham Paykar MD, Inc | Organization | Nephrology Physician | Lancaster, CA |
| 1912042235 | Ali Jafferi | Individual | Internal Medicine Physician | Lancaster, CA |
| 1902097744 | Amartej Merla | Individual | Hematology & Oncology Physician | Lancaster, CA |
| 1659507788 | Aminu Birhan | Individual | Internal Medicine Physician | Lancaster, CA |
| 1922146661 | Antelope Valley Cardiology Associates | Organization | Internal Medicine Physician | Lancaster, CA |
| 1801940812 | Antelope Valley Endocrinology, A Professional Corporation | Organization | Endocrinology, Diabetes & Metabolism Physician | Lancaster, CA |
| 1194280453 | Antelope Valley Lung & Sleep Institute, Inc | Organization | Pulmonary Disease Physician | Lancaster, CA |
| 1497212898 | Antelope Valley Lung & Sleep Institute, Inc | Organization | Pulmonary Disease Physician | Lancaster, CA |
| 1831658525 | Antelope Valley Lung & Sleep Institute, Inc | Organization | Pulmonary Disease Physician | Lancaster, CA |
| 1356765655 | Antelope Valley Lung Institute Medical Group | Organization | Pulmonary Disease Physician | Lancaster, CA |
| 1720199763 | Anthony Dulgeroff | Individual | Internal Medicine Physician | Lancaster, CA |
| 1851443717 | Antony C Ernest MD Inc Arun N Mehta MD Prof Corp Et Al Ptr Valley Card | Organization | Cardiovascular Disease Physician | Lancaster, CA |
| 1740380880 | Antony Ernest | Individual | Cardiovascular Disease Physician | Lancaster, CA |
| 1477526846 | Antony Fung | Individual | Internal Medicine Physician | Lancaster, CA |
| 1356379275 | Anupam Singla | Individual | Internal Medicine Physician | Lancaster, CA |
| 1033968847 | Ark Medical Group | Organization | Internal Medicine Physician | Lancaster, CA |
| 1346745262 | Ashruta Ahuja | Individual | Internal Medicine Physician | Lancaster, CA |
| 1144723800 | Av Critical Care Inc | Organization | Critical Care Medicine (Internal Medicine) Physician | Lancaster, CA |
| 1588959035 | Av Hospitalist Physicians, A California Professional Medical Corp | Organization | Pulmonary Disease Physician | Lancaster, CA |
| 1801864301 | Bassam Hadaya | Individual | Nephrology Physician | Lancaster, CA |
| 1174629950 | Bassel Hadaya | Individual | Nephrology Physician | Lancaster, CA |
| 1508637760 | Cajon Medical Group, PC | Organization | Internal Medicine Physician | Lancaster, CA |
| 1093840936 | Canagaretnam Chandradas | Individual | Internal Medicine Physician | Lancaster, CA |
| 1568488245 | Canagartnam Pathmarajah | Individual | Gastroenterology Physician | Lancaster, CA |
| 1720274400 | Cardiovascular Institute of Southern California | Organization | Interventional Cardiology Physician | Lancaster, CA |
| 1205947231 | Charles Lim | Individual | Internal Medicine Physician | Lancaster, CA |
| 1033788336 | City of Hope Medical Foundation | Organization | Hematology & Oncology Physician | Lancaster, CA |
| 1023158052 | Complete Family Care Medical Corp | Organization | Internal Medicine Physician | Lancaster, CA |
| 1588655450 | Deepak Shivaram | Individual | Internal Medicine Physician | Lancaster, CA |
| 1447360508 | Dennis Tse | Individual | Nephrology Physician | Lancaster, CA |
| 1285725945 | Doddanna Krishna | Individual | Pulmonary Disease Physician | Lancaster, CA |
| 1902997661 | Doddanna Krishna M D A Professional Corporation | Organization | Pulmonary Disease Physician | Lancaster, CA |
| 1629411756 | Duminda Suraweera | Individual | Gastroenterology Physician | Lancaster, CA |
| 1679559157 | Edward Wong | Individual | Gastroenterology Physician | Lancaster, CA |
| 1497804918 | Ernest Medical Corporation Inc | Organization | Cardiovascular Disease Physician | Lancaster, CA |
| 1982270401 | Ethan Hsu | Individual | Internal Medicine Physician | Lancaster, CA |
| 1144493131 | Ferdinand Panoussi | Individual | Internal Medicine Physician | Lancaster, CA |
| 1225134885 | Florcita Alvarez-Galoosian | Individual | Nephrology Physician | Lancaster, CA |
| 1326514746 | Gastro Care Institute | Organization | Gastroenterology Physician | Lancaster, CA |
| 1790895936 | George Mya | Individual | Internal Medicine Physician | Lancaster, CA |
| 1821066325 | Ghassan Dahhan | Individual | Nephrology Physician | Lancaster, CA |
| 1871670091 | Gurcharn Singh | Individual | Gastroenterology Physician | Lancaster, CA |
| 1366587768 | Gyanesh Agrawal | Individual | Internal Medicine Physician | Lancaster, CA |
| 1891114583 | Hannah Asghari | Individual | Hematology & Oncology Physician | Lancaster, CA |
| 1508894361 | Hans Weber | Individual | Rheumatology Physician | Lancaster, CA |
| 1215964150 | Harihar Agarwal | Individual | Internal Medicine Physician | Lancaster, CA |
| 1528083383 | Harihar P. Agarwal, MD Inc | Organization | Internal Medicine Physician | Lancaster, CA |
| 1144356460 | Harry Nickle | Individual | Infectious Disease Physician | Lancaster, CA |
| 1689323552 | Hazem Aboaid | Individual | Internal Medicine Physician | Lancaster, CA |
Frequently asked questions
How many Internal Medicine providers are in Lancaster, CA?
The latest NPPES snapshot lists 158 active Internal Medicine providers with a practice address in Lancaster, California.
How do I check a Internal Medicine provider's NPI in Lancaster?
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.