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Anna Grzegorczyk, M.D.

LANGUAGES SPOKEN

English

EDUCATION

Medical School: Virginia Commonwealth University School of Medicine

Internal Medicine Residency: California Pacific Medical Center

Fellowship: University of Southern California, Los Angeles, CA

SPECIALTIES

Pulmonary Disease: Diagnosis and treatment of lung conditions

Critical Care Medicine: Provision of life support or organ support systems

Sleep Medicine: Diagnosis and treatment of sleep-related breathing problems

CERTIFICATIONS

American Board of Internal Med (ABIM)

ABIM Pulmonary Disease

ABIM Critical Care Medicine

MEDICAL CENTER AFFILIATIONS

John Muir Medical Center, Walnut Creek 

John Muir Medical Center, Concord

©2026 by Muir Pulmonary Critical Care and Sleep Medicine.

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