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

Dr. Donald John Horn, DMD

Individual provider Endodontics · NPI 1306988225

Dr. Donald John Horn, DMD is an Endodontics in San Diego, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
What do these letters mean?
DMD — Doctor of Dental Medicine
A dentist. Identical training and licensing to a DDS.

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Practice location Address checks out

1455 G St
San Diego, CA 92101-7434
Phone: (619) 324-4981
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endodontics (primary) Taxonomy 1223E0200X · Licence DDS111685 (CA)

Record details

NPI number1306988225
Entity typeIndividual (Type 1)
GenderMale
Credentials DMD
Sole proprietorYes
NPI enumeratedFebruary 14, 2007
Last updated in NPPESMay 19, 2026
Certification dateMay 19, 2026

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