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DR. NATHAN JUDD GILLESPIE II DMD
NPI 1396494019
Dentist - General Practice in Denver, CO

Active since March 21, 2022PECOS Enrolled
660 BANNOCK ST # L, DENVER, CO 80204(303) 602-8200(303) 602-4560 Get Directions Write a Review

NPPES record last updated: June 5, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Nathan Judd Gillespie Ii Dmd NPPES

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

DR. NATHAN JUDD GILLESPIE II DMD (NPI 1396494019) is an individual general practice provider in Denver, Colorado, licensed in Colorado (DEN.00205225) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS and is a graduate of Midwestern University College Of Dental Medicine, Glendale (2022).

NPPES Registry Identity

NPI1396494019
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. NATHAN JUDD GILLESPIE IICredential: DMD
Location Address660 BANNOCK ST # LDenver, CO 80204-4506
Mailing Address660 Bannock St # LDenver, CO 80204-4506 · (303) 602-8200 · Fax (303) 602-4560
Phone(303) 602-8200
Fax(303) 602-4560
Sole ProprietorNo
Medical School CMSMidwestern University College Of Dental Medicine, GlendaleGraduated 2022
Enumeration DateMarch 21, 2022
Last NPPES UpdateJune 5, 2025
NPPES CertifiedJune 5, 2025
✔ NPI 1396494019 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 · DEN.00205225
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.
660 BANNOCK ST # L, Denver, CO 80204
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BEST Life, Blue Cross and Blue Shield of Alabama, Blue Cross and Blue Shield of Montana and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Nathan Judd Gillespie Ii Dmd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4486159894
PECOS Enrollment IDI20250925004945
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Nathan Gillespie reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Denver Health And Hospital Authority
0.1 mi
General Practice
777 BANNOCK ST
Denver, CO 80204
  • Reassigned Medicare billing, Colorado enrollment
  • 2,259 clinicians in this Medicare group
NPI 1477569838 (303) 436-6000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80204 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$89.43 typical visit price
range $58.06 – $174.82
Typical copayment $22.35 (range $14.51 – $43.70)
Most-billed visit code 99203
Established Patient
$72.20 typical visit price
range $18.88 – $142.79
Typical copayment $18.05 (range $4.72 – $35.69)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 10

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

DR. LAURENCE J. COLLETTI D.D.S.
Dentist (Orthodontics and Dentofacial Orthopedics)
660 BANNOCK ST # L
DENVER, CO 80204
Denver County (303) 602-8200
NICHOLAS PEREIRA-RAMIREZ RDH
Dental Hygienist
660 BANNOCK ST # L
DENVER, CO 80204
Denver County (303) 602-7769
NATALYA STARKLE DDS
Dentist
660 BANNOCK ST # L
DENVER, CO 80204
Denver County (303) 602-8200
DR. DUANE RODGERS-PEREZ MATA D.D.S.
Dentist (General Practice)
660 BANNOCK ST # L
DENVER, CO 80204
Denver County (303) 436-4949
DR. JORDAN REICH D.D.S
Dentist (General Practice)
660 BANNOCK ST # L
DENVER, CO 80204
Denver County (303) 436-4949
LANANH NGUYEN
Dentist
660 BANNOCK ST # L
DENVER, CO 80204
Denver County (303) 436-4949
DR. MORGAN HESTER BARBER DDS
Dentist (General Practice)
660 BANNOCK ST # L
DENVER, CO 80204
Denver County (303) 436-4949
BENNETT WILLIS BRYANT PA
Physician Assistant
660 BANNOCK ST # L
DENVER, CO 80204
Denver County (202) 436-6000

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 Nathan Gillespie's NPI number?

The NPI number for Nathan Gillespie is 1396494019. It was assigned to this individual provider in the NPPES registry on March 21, 2022.

Where is Nathan Gillespie located?

Nathan Gillespie practices at 660 Bannock St # L, Denver, CO 80204. The listed phone number is (303) 602-8200.

What is Nathan Gillespie's specialty?

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

Is Nathan Gillespie enrolled in Medicare?

Yes. Nathan Gillespie is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Nathan Gillespie's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nathan Gillespie reassigns Medicare benefits to Denver Health And Hospital Authority (Denver, CO). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nathan Gillespie's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nathan Gillespie accept?

Health plans from BEST Life, Blue Cross and Blue Shield of Alabama, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 8 other insurers list Nathan Gillespie 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 Nathan Gillespie was last updated on June 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.