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

John Alexander Guardiola, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1821931403

John Alexander Guardiola, MD is a Student in an Organized Health Care Education/Training Program in Saint Louis, Missouri. Works from 2 locations. Registered with an NPI since 2026.

In the registry since
2026
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

12800 Corporate Hill Dr
Saint Louis, MO 63131-1845
Phone: (314) 617-3751
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 5001 El Paso Dr, El Paso, TX 79905-2827 — (915) 215-4360

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X

Record details

NPI number1821931403
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 10, 2026
Last updated in NPPESApril 10, 2026
Certification dateApril 7, 2026

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