Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Sonia Yvonne Johnson, MD

Individual provider Emergency Medicine Physician · NPI 1639344302

Dr. Sonia Yvonne Johnson, MD is an Emergency Medicine in Los Angeles, California. Graduated from University of Southern California Keck School of Medicine in 2006, 20 years ago. Practices with Southern California Permanente Medical Group, an 11,242-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
20
Trained at
University of Southern California Keck School of Medicine
Licensed in
CA
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1200 N State St
Los Angeles, CA 90033-1029
Phone: (760) 920-6850
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A103204 (CA)

Record details

NPI number1639344302
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 24, 2008
Last updated in NPPESNovember 29, 2021
Certification dateNovember 29, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE
Graduated 2006 (20 years in practice)
Group practice Southern California Permanente Medical Group — 11242 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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