Internal Medicine in Castro Valley, CA
74 active Internal Medicine providers practice in Castro Valley, 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 |
|---|---|---|---|---|
| 1356737530 | Aditya Vaze | Individual | Cardiovascular Disease Physician | Castro Valley, CA |
| 1700958451 | Amer Budayr | Individual | Endocrinology, Diabetes & Metabolism Physician | Castro Valley, CA |
| 1548557077 | Andrea Dhaliwal | Individual | Internal Medicine Physician | Castro Valley, CA |
| 1326024084 | Archana Aggarwal | Individual | Nephrology Physician | Castro Valley 94546, CA |
| 1558780825 | Arpeet Shah | Individual | Medical Oncology Physician | Castro Valley, CA |
| 1336106897 | Avant Inpatient Services Medical Group, Inc | Organization | Internal Medicine Physician | Castro Valley, CA |
| 1992736367 | Byron Wilson | Individual | Medical Oncology Physician | Castro Valley, CA |
| 1437194677 | Cardiovascular Consultants Medical Group, Inc. | Organization | Interventional Cardiology Physician | Castro Valley, CA |
| 1770780835 | David Wallace | Individual | Critical Care Medicine (Internal Medicine) Physician | Castro Valley, CA |
| 1295296275 | Diana Hess | Individual | Internal Medicine Physician | Castro Valley, CA |
| 1790858611 | Donald Knotts | Individual | Internal Medicine Physician | Castro Valley, CA |
| 1467618454 | Farnoosh Farrokhi | Individual | Endocrinology, Diabetes & Metabolism Physician | Castro Valley, CA |
| 1629170998 | Gastroenterology Specialists Medical Group, Inc A Medical Corporation | Organization | Gastroenterology Physician | Castro Valley, CA |
| 1467731828 | Gene-Yuan Chang | Individual | Nephrology Physician | Castro Valley, CA |
| 1083891212 | George D Cowen, MD Professional Corp | Organization | Internal Medicine Physician | Castro Valley, CA |
| 1790022416 | Harkiran Grewal | Individual | Infectious Disease Physician | Castro Valley, CA |
| 1003270877 | Helen Yang | Individual | Internal Medicine Physician | Castro Valley, CA |
| 1528393063 | Irene Dy | Individual | Hematology (Internal Medicine) Physician | Castro Valley, CA |
| 1932325446 | Jeffrey Singerman | Individual | Gastroenterology Physician | Castro Valley, CA |
| 1316977978 | Jeffrey West | Individual | Cardiovascular Disease Physician | Castro Valley, CA |
| 1750524575 | Jennifer Casey | Individual | Endocrinology, Diabetes & Metabolism Physician | Castro Valley, CA |
| 1194741256 | Kathryn Hodge | Individual | Internal Medicine Physician | Castro Valley, CA |
| 1740476761 | Kathryn Welty | Individual | Nephrology Physician | Castro Valley, CA |
| 1386962421 | Khoa Nguyen | Individual | Internal Medicine Physician | Castro Valley, CA |
| 1194898510 | Laurence Athos | Individual | Pulmonary Disease Physician | Castro Valley, CA |
| 1225109358 | Laurence Athos M D Inc | Organization | Pulmonary Disease Physician | Castro Valley, CA |
| 1104842293 | Laurie Nakahira | Individual | Internal Medicine Physician | Castro Valley, CA |
| 1073684429 | Ling Xu | Individual | Internal Medicine Physician | Castro Valley, CA |
| 1033280896 | Ling Xu, MD,Inc. | Organization | Internal Medicine Physician | Castro Valley, CA |
| 1831695915 | Mahboub Noori | Individual | Hematology & Oncology Physician | Castro Valley, CA |
| 1700758638 | Mahendra Patel | Individual | Internal Medicine Physician | Castro Valley, CA |
| 1376569475 | Marcia Peck | Individual | Endocrinology, Diabetes & Metabolism Physician | Castro Valley, CA |
| 1396815973 | MD Kadada Inc | Organization | Internal Medicine Physician | Castro Valley, CA |
| 1619900347 | Monica Bhargava | Individual | Internal Medicine Physician | Castro Valley, CA |
| 1831526300 | Mridula Rewal | Individual | Internal Medicine Physician | Castro Valley, CA |
| 1699724484 | Nabil Abudayeh | Individual | Internal Medicine Physician | Castro Valley, CA |
| 1558558023 | Nabil K Abudayeh MD Professional Corporation | Organization | Cardiovascular Disease Physician | Castro Valley, CA |
| 1922209436 | Nalurporn Chokrungvaranon | Individual | Endocrinology, Diabetes & Metabolism Physician | Castro Valley, CA |
| 1770547192 | Navdeep Singh | Individual | Pulmonary Disease Physician | Castro Valley, CA |
| 1598128415 | Nazia Mir | Individual | Internal Medicine Physician | Castro Valley, CA |
| 1285811489 | Nidhi Johri | Individual | Internal Medicine Physician | Castro Valley, CA |
| 1154541423 | Nitin Joshi | Individual | Hematology (Internal Medicine) Physician | Castro Valley, CA |
| 1346777026 | Nitin Tandan | Individual | Cardiovascular Disease Physician | Castro Valley, CA |
| 1053844183 | Omar Saleem | Individual | Internal Medicine Physician | Castro Valley, CA |
| 1104996479 | Pacific Critical Care & Neurocritical Care Specialists, Inc | Organization | Critical Care Medicine (Internal Medicine) Physician | Castro Valley, CA |
| 1710098298 | Peter Hooberman | Individual | Gastroenterology Physician | Castro Valley, CA |
| 1376624742 | Petr Utrata | Individual | Internal Medicine Physician | Castro Valley, CA |
| 1821089129 | Rahel Ruiz | Individual | Internal Medicine Physician | Castro Valley, CA |
| 1033397963 | Rahel Teferi Ruiz MD, Inc. | Organization | Internal Medicine Physician | Castro Valley, CA |
| 1740243930 | Rahul Rishi | Individual | Nephrology Physician | Castro Valley, CA |
Frequently asked questions
How many Internal Medicine providers are in Castro Valley, CA?
The latest NPPES snapshot lists 74 active Internal Medicine providers with a practice address in Castro Valley, California.
How do I check a Internal Medicine provider's NPI in Castro Valley?
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.