Specialty · city directory
Internal Medicine in Sonoma, CA
Active Internal Medicine providers practising in Sonoma, California. Profiles include the NPI number, taxonomy code, license state, and practice address.
24
providers indexed
Advertisement
Internal Medicine providers in Sonoma, CA
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1255577904 | Alex Rainow | Individual | Cardiovascular Disease Physician | Sonoma, CA |
| 1184624637 | Brian Sebastian | Individual | Internal Medicine Physician | Sonoma, CA |
| 1356419931 | Campbell & Verducci | Organization | Internal Medicine Physician | Sonoma, CA |
| 1679564611 | Clinton Lane | Individual | Internal Medicine Physician | Sonoma, CA |
| 1437265360 | Dennis Verducci | Individual | Internal Medicine Physician | Sonoma, CA |
| 1952426421 | Guy Delorefice | Individual | Internal Medicine Physician | Sonoma, CA |
| 1033446125 | Guy Delorefice M.D. Inc. | Organization | Internal Medicine Physician | Sonoma, CA |
| 1245244755 | James Price | Individual | Cardiovascular Disease Physician | Sonoma, CA |
| 1376621862 | Jing Zhao | Individual | Internal Medicine Physician | Sonoma, CA |
| 1255925590 | John Boyce-Smith | Individual | Internal Medicine Physician | Sonoma, CA |
| 1619512548 | Joshua H Rassen MD Inc | Organization | Internal Medicine Physician | Sonoma, CA |
| 1700962727 | Kenneth Tobin | Individual | Cardiovascular Disease Physician | Sonoma, CA |
| 1881986206 | Lawrence Huan | Individual | Internal Medicine Physician | Sonoma, CA |
| 1801848601 | Marianne Kramer | Individual | Internal Medicine Physician | Sonoma, CA |
| 1548262926 | Northern California Medical Assoc Inc | Organization | Cardiovascular Disease Physician | Sonoma, CA |
| 1437313863 | Prima Medical Foundation | Organization | Internal Medicine Physician | Sonoma, CA |
| 1558611459 | Rafael Sepulveda-Acosta | Individual | Sleep Medicine (Internal Medicine) Physician | Sonoma, CA |
| 1053427989 | S Campbell | Individual | Internal Medicine Physician | Sonoma, CA |
| 1942883889 | Sleep Fit Medical | Organization | Sleep Medicine (Internal Medicine) Physician | Sonoma, CA |
| 1437532652 | Tyler Mark Nixon Do, Inc | Organization | Internal Medicine Physician | Sonoma, CA |
| 1619985348 | Victor Iacovoni | Individual | Internal Medicine Physician | Sonoma, CA |
| 1306143169 | Walter C. Prehn M.D. A Professional Corporation | Organization | Internal Medicine Physician | Sonoma, CA |
| 1225042088 | Walter Prehn | Individual | Internal Medicine Physician | Sonoma, CA |
| 1568424919 | Yong Liu | Individual | Internal Medicine Physician | Sonoma, CA |
Frequently asked questions
How many Internal Medicine providers are in Sonoma, CA?
The latest NPPES snapshot lists 24 active Internal Medicine providers with a practice address in Sonoma, California.
How do I check a Internal Medicine provider's NPI in Sonoma?
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.