Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1396494019 Individual Practitioner Male Practitioner

Dr. Nathan Judd Gillespie , DMD

Dentist - General Practice • Denver, CO

Professional Overview & Biography Verified Profile Summary

Dr. Nathan Gillespie, DMD is a certified Dentist - General Practice practicing in Denver, CO. With approximately 4 years of clinical experience since graduating from Midwestern University College Of Dental Medicine, Glendale in 2022, Dr. Gillespie delivers high-quality medical care to the local community at 660 BANNOCK ST # L.

Dr. Gillespie does not directly accept Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

660 Bannock St # L

Denver, CO 802044506

Telephone 3036028200
Fax 3036024560
Associated Practice Facility / Clinic
🏢 Denver Health Medical Center Facility NPI 1265753735

Medicare Profile & Education

Medical School

Midwestern University College Of Dental Medicine, Glendale

Graduation Year

2022

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Dentist - General Practice in Denver, CO

Rising Specialist (<5 Yrs)
Practitioner Clinical Experience
4 Yrs -1.0 yrs vs City Avg
City Avg: 5.0 Yrs
State Avg: 18.5 Yrs
Regional Practice Density
320 Specialists

Practicing in Denver, CO (2613 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Gillespie (4 Years) 4 Yrs
Denver Specialty Average (5.0 Years) 5.0 Yrs

Medical Specialties & State Licenses

CMS Verified: 2025-06-05
Dentist - General Practice Primary Specialty

NUCC Taxonomy Code: 1223G0001X

State License CO DEN.00205225

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.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Dr. Keenan Onodera , MD

Orthopaedic Surgery - Orthopaedic Trauma

NPI 1023671146

Doctor of Medicine (M.D.)

Dr. Laurence Colletti , DDS

Dentist - Orthodontics and Dentofacial Orthopedics

NPI 1033300421

Doctor of Dental Surgery

Lindsay Marshall , LCSW

Counselor - Addiction (Substance Use Disorder)

NPI 1043510365

Licensed Clinical Social Worker

Rebekah Phillipi , LPC, LAC

Counselor - Professional

NPI 1043651862

Licensed Professional Counselor, Licensed Acupuncturist

Dr. Michael Breyer , MD

Emergency Medicine

NPI 1063490878

Doctor of Medicine (M.D.)

Dr. Kyros Ipaktchi , MD

Orthopaedic Surgery

NPI 1063603454

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

9 Historical Events
📍
Updated Practice Location June 05, 2025

Registered at 660 BANNOCK ST # L, DENVER, CO 802044506 (Tel: 3036028200)

📍
Updated Business Mailing Address June 05, 2025

Registered at 660 BANNOCK ST # L, DENVER, CO 802044506 (Tel: 3036028200)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 05, 2025

Dentist (License #DEN.00205225 in CO)

NPI Profile Active March 21, 2022

NPI status registered as active in NPPES database

📍
Updated Practice Location March 21, 2022

Registered at 301 W 6TH AVE, DENVER, CO 802045182 (Tel: 3036028200)

📍
Updated Business Mailing Address March 21, 2022

Registered at 5959 W UTOPIA RD APT 1086, GLENDALE, AZ 853087166 (Tel: 2518950600)

👤
Provider Name / Credentials Updated March 21, 2022

Recorded as NATHAN GILLESPIE, DMD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 21, 2022

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration March 21, 2022

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1396494019
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 21, 2022
Last Update: June 05, 2025
Sole Proprietor: No

Mailing Address

660 Bannock St # L

Denver, CO 802044506

Phone: 3036028200

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.