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DR. DONALD JOHN HORN DMD
NPI 1306988225
Dentist - Endodontics in San Diego, CA

Active since February 14, 2007
1455 G ST, SAN DIEGO, CA 92101(619) 324-4981 Get Directions Write a Review

NPPES record last updated: May 19, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Donald John Horn Dmd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DONALD JOHN HORN DMD (NPI 1306988225) is an individual endodontics provider in San Diego, California, licensed in California (DDS111685) and active in the NPI registry since February 2007.

NPPES Registry Identity

NPI1306988225
Entity TypeIndividualMale
Primary Taxonomy1223E0200X
Provider Legal NameDR. DONALD JOHN HORNCredential: DMD
Location Address1455 G STSan Diego, CA 92101-7434
Mailing Address700 W Harbor Dr Unit 702San Diego, CA 92101-7755 · (727) 647-1633
Phone(619) 324-4981
Sole ProprietorYes
Enumeration DateFebruary 14, 2007
Last NPPES UpdateMay 19, 2026
NPPES CertifiedMay 19, 2026
✔ NPI 1306988225 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · EndodonticsDental Providers
Taxonomy Code1223E0200X
License✔ Licensed in CA · DDS111685
Definition
The branch of dentistry that is concerned with the morphology, physiology and pathology of the human dental pulp and periradicular tissues. Its study and practice encompass the basic and clinical sciences including biology of the normal pulp, the etiology, diagnosis, prevention and treatment of diseases and injuries of the pulp and associated periradicular conditions.
1455 G ST, San Diego, CA 92101
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter of Alabama, Anthem Blue Cross and Blue Shield and more.Insurance ›

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ARIANNA ROSARIO SEGURA DDS
Dentist
1455 G ST
SAN DIEGO, CA 92101
San Diego County (619) 324-4981
KEVIN P. PAREKH DMD
Dentist
1455 G ST
SAN DIEGO, CA 92101
San Diego County (619) 324-4981
DR. STEVEN FRONCZAK DMD
Dentist (General Practice)
1455 G ST
SAN DIEGO, CA 92101
San Diego County (619) 324-4981

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Donald Horn's NPI number?

The NPI number for Donald Horn is 1306988225. It was assigned to this individual provider in the NPPES registry on February 14, 2007.

Where is Donald Horn located?

Donald Horn practices at 1455 G St, San Diego, CA 92101. The listed phone number is (619) 324-4981.

What is Donald Horn's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Endodontics, with taxonomy code 1223E0200X.

What insurance does Donald Horn accept?

Health plans from Ambetter Health, Ambetter of Alabama, Anthem Blue Cross and Blue Shield, BEST Life and Blue Cross and Blue Shield of Alabama and 13 other insurers list Donald Horn as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Donald Horn was last updated on May 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.