Karen B. Jacobson, MD

Practice locations

Addresses where Karen B. Jacobson is enrolled with Medicare (CMS data updated October 2, 2026).

• 1301 Pinole Valley RdPinole, CA 94564 (510) 243‑4001

Group practices

Medicare enrollment lists Karen B. Jacobson as a member of this group (CMS data updated October 2, 2026).

• Permanente Medical Group Inc10,996 clinicians in the group

Specialties

• Infectious Diseaseprimary
• Internal Medicinealso

Find other Infectious Disease doctors in California →

Other infectious disease doctors in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

• Mordechai Groner, MD
• Catherine N. Le, MD
• Archana H. Maniar, MD
• Catherine Pearson, MD
• Thrissawan Sungkapalee, MD
• Silpa Jetty, MD
• Caroline Koan, MD
• Charles Y. Chiu, MD

All infectious disease doctors in California →

Other clinicians in Permanente Medical Group Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Eric C. Hsia, MD
• Lawrence H. Fung, MD
• Carlos Garcia, MD
• Anthony J. Abene, MD
• Mrudula K. Guthikonda, MD
• Esther N. Amuyunzu-Ramirez, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
3. Medicare Care Compare — official Medicare tool to look up clinicians