Specialty · city directory
Internal Medicine in San Marino, CA
Active Internal Medicine providers practising in San Marino, California. Profiles include the NPI number, taxonomy code, license state, and practice address.
18
providers indexed
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Internal Medicine providers in San Marino, CA
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1922071398 | Chien Fang | Individual | Internal Medicine Physician | San Marino, CA |
| 1336671981 | Derek Cheung | Individual | Internal Medicine Physician | San Marino, CA |
| 1891979746 | Elisa Alvarado | Individual | Internal Medicine Physician | San Marino, CA |
| 1245561752 | Elisa C Alvarado MD Inc | Organization | Internal Medicine Physician | San Marino, CA |
| 1538962378 | Jeffrey Pan MD LLC | Organization | Internal Medicine Physician | San Marino, CA |
| 1255080198 | John Wear | Individual | Internal Medicine Physician | San Marino, CA |
| 1952414328 | Medipro Medical Group Inc | Organization | Nephrology Physician | San Marino, CA |
| 1831322148 | Mu-Chien Chiang | Individual | Internal Medicine Physician | San Marino, CA |
| 1730195686 | Paul Liu | Individual | Geriatric Medicine (Internal Medicine) Physician | San Marino, CA |
| 1316206501 | Py Saddler, M.D., F.A.C.P., Inc | Organization | Internal Medicine Physician | San Marino, CA |
| 1972577690 | Richard Williams | Individual | Internal Medicine Physician | San Marino, CA |
| 1659628758 | Robert A. Mecum, M.D., Inc. | Organization | Gastroenterology Physician | San Marino, CA |
| 1164750394 | Sabrina Hong | Individual | Internal Medicine Physician | San Marino, CA |
| 1285973594 | Samuel Zia | Individual | Internal Medicine Physician | San Marino, CA |
| 1750533212 | Sonya Ehresmann | Individual | Internal Medicine Physician | San Marino, CA |
| 1417003831 | The Huntington Medical Foundation | Organization | Internal Medicine Physician | San Marino, CA |
| 1598806655 | Thomas Maxwell | Individual | Internal Medicine Physician | San Marino, CA |
| 1265012520 | Ya-Gin Hanna Huang | Individual | Internal Medicine Physician | San Marino, CA |
Frequently asked questions
How many Internal Medicine providers are in San Marino, CA?
The latest NPPES snapshot lists 18 active Internal Medicine providers with a practice address in San Marino, California.
How do I check a Internal Medicine provider's NPI in San Marino?
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 2026-07-13.