Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. GILES BRIAN HORROCKS DDS
NPI 1720137110
Dentist - Periodontics in Longmont, CO

Q: What is Giles Horrocks's NPI number?

The NPI number for Giles Horrocks is 1720137110. It was assigned to this individual provider in the NPPES registry on January 9, 2007.

Q: What is Giles Horrocks's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Periodontics, with taxonomy code 1223P0300X.

Q: When was this NPI record last updated?

The NPPES record for Giles Horrocks was last updated on August 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days 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.

Active since January 09, 2007

1551 PROFESSIONAL LN UNIT 250, LONGMONT, CO 80501(720) 597-3344 Get Directions Write a Review

NPPES record last updated: August 20, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

On this page

About Dr. Giles Brian Horrocks Dds NPPES

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

DR. GILES BRIAN HORROCKS DDS (NPI 1720137110) is an individual periodontics provider in Longmont, Colorado, licensed in Colorado (6989) and active in the NPI registry since January 2007.

NPPES Registry Identity

NPI1720137110

Entity TypeIndividualMale

Primary Taxonomy1223P0300X

Provider Legal NameDR. GILES BRIAN HORROCKSCredential: DDS

Location Address1551 PROFESSIONAL LN UNIT 250Longmont, CO 80501-6967

Mailing Address1551 Professional Ln Unit 250Longmont, CO 80501-6967 · (720) 597-3344

Phone(720) 597-3344

Sole ProprietorNo

Enumeration DateJanuary 9, 2007

Last NPPES UpdateAugust 20, 2026

NPPES CertifiedAugust 20, 2026

✔ NPI 1720137110 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · PeriodonticsDental Providers

Taxonomy Code1223P0300X

License✔ Licensed in CO · 6989

Definition

That specialty of dentistry which encompasses the prevention, diagnosis and treatment of diseases of the supporting and surrounding tissues of the teeth or their substitutes and the maintenance of the health, function and esthetics of these structures and tissues.

1551 PROFESSIONAL LN UNIT 250, Longmont, CO 80501

Open in Google Maps ↗

Other Providers at the Same Location NPPES 2

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

ROCKY MOUNTAIN DENTAL SPECIALISTS

Dentist

1551 PROFESSIONAL LN UNIT 250
LONGMONT, CO 80501

Boulder County (270) 293-9194

DR. ERIC FEICHTINGER

Dentist (Periodontics)

1551 PROFESSIONAL LN UNIT 250
LONGMONT, CO 80501

Boulder County (720) 597-3344

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 Giles Horrocks's NPI number?

The NPI number for Giles Horrocks is 1720137110. It was assigned to this individual provider in the NPPES registry on January 9, 2007.

Where is Giles Horrocks located?

Giles Horrocks practices at 1551 Professional Ln Unit 250, Longmont, CO 80501. The listed phone number is (720) 597-3344.

What is Giles Horrocks's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Periodontics, with taxonomy code 1223P0300X.

When was this NPI record last updated?

The NPPES record for Giles Horrocks was last updated on August 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days 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.