1. Home
  2. Directory
  3. Colorado
  4. Longmont
  5. Dentist
  6. NPI Profile

GUY V MERTZ DDS
NPI 1881881472
Dentist - General Practice in Longmont, CO

Active since September 27, 2007
1950 TERRY ST, LONGMONT, CO 80501(303) 678-1111(303) 678-5168 Get Directions Write a Review

NPPES record last updated: September 27, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Guy V Mertz Dds NPPES

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

GUY V MERTZ DDS (NPI 1881881472) is an individual general practice provider in Longmont, Colorado, licensed in Colorado (5948) and active in the NPI registry since September 2007.

NPPES Registry Identity

NPI1881881472
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameGUY V MERTZCredential: DDS
Location Address1950 TERRY STLongmont, CO 80501-1835
Mailing Address1950 Terry StLongmont, CO 80501-1835 · (303) 678-1111 · Fax (303) 678-5168
Phone(303) 678-1111
Fax(303) 678-5168
Sole ProprietorNo
Enumeration DateSeptember 27, 2007
✔ NPI 1881881472 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in CO · 5948
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
1950 TERRY ST, Longmont, CO 80501
Open in Google Maps ↗

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.

CHIROPRACTIC CENTER OF LONGMONT
Chiropractor
1950 TERRY ST
LONGMONT, CO 80501
Boulder County (303) 772-1950
JOSHUA DAVID EHRMANTRAUT DC
Chiropractor (Rehabilitation)
1950 TERRY ST
LONGMONT, CO 80501
Boulder County (303) 772-1950
MERTZ FAMILY DENTISTRY
Dentist (General Practice)
1950 TERRY ST
LONGMONT, CO 80501
Boulder County (303) 678-1111

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 Guy Mertz's NPI number?

The NPI number for Guy Mertz is 1881881472. It was assigned to this individual provider in the NPPES registry on September 27, 2007.

Where is Guy Mertz located?

Guy Mertz practices at 1950 Terry St, Longmont, CO 80501. The listed phone number is (303) 678-1111.

What is Guy Mertz's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

When was this NPI record last updated?

The NPPES record for Guy Mertz was last updated on September 27, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.