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

Mr. David Horak, MD

Individual provider Pulmonary Disease Physician · NPI 1972601755

Mr. David Horak, MD is a Pulmonary Disease Physician in Duarte, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
Specialties on file
2
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

1500 E Duarte Rd
Duarte, CA 91010
Phone: (626) 359-8111
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence G40765 (CA)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence G40765 (CA)

Record details

NPI number1972601755
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 20, 2006
Last updated in NPPESNovember 27, 2023
Certification dateNovember 2, 2020
Mailing addressPo Box 512185, Los Angeles, CA 90051-0185

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