Stephanie Posadas, DO

  • Family Medicine
Stephanie Posadas, DO
Accepts new patients
Treats All Ages


111 Campus Way Ste 301
San Marcos, CA 92078
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  • English


Stephanie Posadas, DO, provides comprehensive primary care services for all ages, focusing on preventive and evidence-based medicine. Dr. Posadas has expertise in women’s health, pediatrics, dermatology and gynecologic procedures.

Through shared decision-making, she supports and educates her patients to guide them to be the best stewards of their own health. Dr. Posadas looks forward to developing trusting and long-term relationships with her patients and their families. 

When not seeing patients, Dr. Posadas enjoys traveling and going to the beach. Other pursuits include interior decorating, cooking and baking.

Board Certifications

  • American Board of Family Medicine, Family Medicine, 2023

Medical Education

  • Touro University, DO, 2020


  • Kaiser Hospital - San Diego, Family Medicine, 2023

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