1. Home
  2. Directory
  3. Colorado
  4. Denver
  5. Dentist
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. GREGORY R KOWALCHUK DDS
NPI 1396730990
Dentist - General Practice in Denver, CO

Active since September 20, 2005
7515 W YALE AVE, SUITE A, DENVER, CO 80227(303) 988-3319(303) 988-3492 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Gregory R Kowalchuk Dds NPPES

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

DR. GREGORY R KOWALCHUK DDS (NPI 1396730990) is an individual general practice provider in Denver, Colorado, licensed in Colorado (0237) and active in the NPI registry since September 2005.

NPPES Registry Identity

NPI1396730990
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. GREGORY R KOWALCHUKCredential: DDS
Location Address7515 W YALE AVE, SUITE ADenver, CO 80227-3423
Mailing Address28666 Little Big Horn DrEvergreen, CO 80439-6314 · (303) 674-3486
Phone(303) 988-3319
Fax(303) 988-3492
Sole ProprietorNo
Enumeration DateSeptember 20, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1396730990 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 · 0237
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.
7515 W YALE AVE, Denver, CO 80227
Open in Google Maps ↗

Other Providers at the Same Location NPPES 8

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

DR. RICK ERWIN MARTIN DDS
Dentist (General Practice)
7515 W YALE AVE
DENVER, CO 80227
Denver County (303) 988-3319
DR. KATHLEEN LOIS BALTZ D.D.S., M.S.
Dentist (Endodontics)
7515 W YALE AVE, SUITE A
DENVER, CO 80227
Denver County (303) 691-0891
MARK A. BIRNER DDS
Dentist (General Practice)
7515 W YALE AVE, SUITE A
DENVER, CO 80227
Denver County (303) 988-3319
PERFECT TEETH - YALE P.C.
Dentist (General Practice)
7515 W YALE AVE, SUITE A
DENVER, CO 80227
Denver County (303) 988-3319
ALAN S. WRIGHT DMD
Dentist (Endodontics)
7515 W YALE AVE, SUITE A
DENVER, CO 80227
Denver County (303) 988-3319
KYUNG JOON KIM DMD
Dentist (General Practice)
7515 W YALE AVE, SUITE A
DENVER, CO 80227
Denver County (303) 988-3319
ANAHITA GUPTA DDS
Dentist (General Practice)
7515 W YALE AVE, SUITE A
DENVER, CO 80227
Denver County (303) 988-3319
DOUGLAS W. DUQUETTE DDS
Dentist (General Practice)
7515 W YALE AVE, SUITE A
DENVER, CO 80227
Denver County (303) 988-3319

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 Gregory Kowalchuk's NPI number?

The NPI number for Gregory Kowalchuk is 1396730990. It was assigned to this individual provider in the NPPES registry on September 20, 2005.

Where is Gregory Kowalchuk located?

Gregory Kowalchuk practices at 7515 W Yale Ave Suite A, Denver, CO 80227. The listed phone number is (303) 988-3319.

What is Gregory Kowalchuk'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 Gregory Kowalchuk was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.