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

Leoncio Ramon Diaz, MD

Individual provider Pulmonary Disease Physician · NPI 1609511161

Leoncio Ramon Diaz, MD is a Pulmonary Disease Physician in Los Angeles, California. Licensed in California. Registered with an NPI since 2022.

Licensed in
CA
In the registry since
2022
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

2020 Zonal Ave # IRD720
Los Angeles, CA 90089-0121
Phone: (323) 226-7923
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 202419 (CA)

Record details

NPI number1609511161
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 29, 2022
Last updated in NPPESSeptember 11, 2025
Certification dateJune 13, 2025

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