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

Dr. John A. Siefert, MD

Individual provider Emergency Medicine Physician · NPI 1124014162

Dr. John A. Siefert, MD is an Emergency Medicine Physician in San Diego, California. Licensed in California. Registered with an NPI since 2005.

Licensed in
CA
In the registry since
2005
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

34800 Bob Wilson Dr
San Diego, CA 92134-4307
Phone: (619) 532-7427
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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 G68507 (CA)

Record details

NPI number1124014162
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 26, 2005
Last updated in NPPESNovember 12, 2024
Certification dateNovember 12, 2024

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