Internal Medicine in Hayward, CA
78 active Internal Medicine providers practice in Hayward, 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 |
|---|---|---|---|---|
| 1881772648 | Abubakr Asadulla | Individual | Internal Medicine Physician | Hayward, CA |
| 1528264686 | Adam Regelmann | Individual | Internal Medicine Physician | Hayward, CA |
| 1134263817 | Advanced Integrated Medical Group | Organization | Internal Medicine Physician | Hayward, CA |
| 1972681716 | Aida Li | Individual | Internal Medicine Physician | Hayward, CA |
| 1316025166 | Allen Chiu | Individual | Internal Medicine Physician | Hayward, CA |
| 1740354059 | Andrea Yao | Individual | Nephrology Physician | Hayward, CA |
| 1922297514 | California Cardiovascular Consultants Medical Associates | Organization | Internal Medicine Physician | Hayward, CA |
| 1952473761 | Candace Kirsch | Individual | Cardiovascular Disease Physician | Hayward, CA |
| 1073691846 | Chitra Reddy | Individual | Nephrology Physician | Hayward, CA |
| 1780621706 | Clifford Wong | Individual | Nephrology Physician | Hayward, CA |
| 1245318096 | Daniel Klein | Individual | Infectious Disease Physician | Hayward, CA |
| 1659459410 | David Anderson | Individual | Internal Medicine Physician | Hayward, CA |
| 1962527952 | Diane Sun | Individual | Internal Medicine Physician | Hayward, CA |
| 1649207523 | Eric Kohleriter | Individual | Internal Medicine Physician | Hayward, CA |
| 1598898330 | Evelyn E. Li, M.D., A Professional Corporation | Organization | Cardiovascular Disease Physician | Hayward, CA |
| 1295800365 | Frank Hsu | Individual | Endocrinology, Diabetes & Metabolism Physician | Hayward, CA |
| 1457320673 | Generoso Porciuncula | Individual | Internal Medicine Physician | Hayward, CA |
| 1043398803 | George Lai | Individual | Nephrology Physician | Hayward, CA |
| 1124106976 | Gerald Frank | Individual | Internal Medicine Physician | Hayward, CA |
| 1073792172 | Gerald Myint | Individual | Internal Medicine Physician | Hayward, CA |
| 1164500682 | Gopala Kolluru | Individual | Cardiovascular Disease Physician | Hayward, CA |
| 1154495760 | Grant Goodman | Individual | Hematology & Oncology Physician | Hayward, CA |
| 1386722148 | Howard Kleckner | Individual | Hematology & Oncology Physician | Hayward, CA |
| 1366431348 | Ivan Lee | Individual | Internal Medicine Physician | Hayward, CA |
| 1831277698 | Jean-Paul Motamedi | Individual | Internal Medicine Physician | Hayward, CA |
| 1861566184 | Jennifer Klein | Individual | Internal Medicine Physician | Hayward, CA |
| 1720282932 | John Bell | Individual | Internal Medicine Physician | Hayward, CA |
| 1043414246 | Jonas Masikat | Individual | Internal Medicine Physician | Hayward, CA |
| 1275578015 | Kaarel Kaljot | Individual | Internal Medicine Physician | Hayward, CA |
| 1225116080 | Kathleen Collins | Individual | Cardiovascular Disease Physician | Hayward, CA |
| 1952489452 | Lara Salamacha | Individual | Sports Medicine (Internal Medicine) Physician | Hayward, CA |
| 1235207945 | Maina R Shetty MD Inc | Organization | Internal Medicine Physician | Hayward, CA |
| 1639183361 | Maina Shetty | Individual | Internal Medicine Physician | Hayward, CA |
| 1730248196 | Mark Finch | Individual | Infectious Disease Physician | Hayward, CA |
| 1659351930 | Mark Khoo | Individual | Internal Medicine Physician | Hayward, CA |
| 1760560510 | Maurice Franco | Individual | Critical Care Medicine (Internal Medicine) Physician | Hayward, CA |
| 1871671636 | Michael Jensen-Akula | Individual | Hematology & Oncology Physician | Hayward, CA |
| 1275636276 | Michael Marchiano | Individual | Internal Medicine Physician | Hayward, CA |
| 1063479269 | Min-Shong Chang | Individual | Internal Medicine Physician | Hayward, CA |
| 1639118052 | Neelam Bhalla | Individual | Nephrology Physician | Hayward, CA |
| 1528146396 | Neil Handelman | Individual | Internal Medicine Physician | Hayward, CA |
| 1174605158 | Nirmala Kannan M.D. A Professional Corporation | Organization | Internal Medicine Physician | Hayward, CA |
| 1306925680 | Nirmala Kannan, M.D. | Organization | Internal Medicine Physician | Hayward, CA |
| 1528056389 | Qaiser Niaz | Individual | Hematology & Oncology Physician | Hayward, CA |
| 1497880801 | Queelan Ratnesar | Individual | Internal Medicine Physician | Hayward, CA |
| 1134156912 | Ralph Boucher | Individual | Cardiovascular Disease Physician | Hayward, CA |
| 1164550018 | Robert Lake | Individual | Internal Medicine Physician | Hayward, CA |
| 1639192404 | Sammy Hung | Individual | Pulmonary Disease Physician | Hayward, CA |
| 1477631232 | Sarasa Kimata | Individual | Nephrology Physician | Hayward, CA |
| 1255419008 | Soma Mandal | Individual | Internal Medicine Physician | Hayward, CA |
Frequently asked questions
How many Internal Medicine providers are in Hayward, CA?
The latest NPPES snapshot lists 78 active Internal Medicine providers with a practice address in Hayward, California.
How do I check a Internal Medicine provider's NPI in Hayward?
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 2026-07-10.