DR. GREGORY NELSON DAY D.D.S.
NPI 1780749176
Dentist - Oral and Maxillofacial Surgery in Pueblo, CO

Active since December 26, 2006PECOS Enrolled
3902 SANDLEWOOD LN, PUEBLO, CO 81005(719) 561-2440(719) 561-0612 Get Directions Write a Review

NPPES record last updated: July 9, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Gregory Nelson Day D.d.s. NPPES

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

DR. GREGORY NELSON DAY D.D.S. (NPI 1780749176) is an individual oral and maxillofacial surgery provider in Pueblo, Colorado, licensed in Colorado (6563) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1780749176
Entity TypeIndividualMale
Primary Taxonomy1223S0112X
Provider Legal NameDR. GREGORY NELSON DAYCredential: D.D.S.
Location Address3902 SANDLEWOOD LNPueblo, CO 81005-7501
Mailing Address3902 Sandlewood LnPueblo, CO 81005-7501 · (719) 561-2440 · Fax (719) 561-0612
Fax(719) 561-0612
Sole ProprietorYes
Enumeration DateDecember 26, 2006
Last NPPES UpdateJuly 9, 2007
NPI 1780749176 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDentist · Oral and Maxillofacial SurgeryDental Providers
Taxonomy Code1223S0112X
License Licensed in CO · 6563
Definition

An oral and maxillofacial surgery dentist specialized in the diagnosis, surgical and adjunctive treatment of diseases, injuries and defects involving both the functional and esthetic aspects of the hard and soft tissues of the oral and maxillofacial region.

3902 SANDLEWOOD LN, Pueblo, CO 81005

Other Identifiers 3

Medicare ID-Type Unspecified499668CO
Medicaid02065639CO
Medicare UPINU45469CO

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Gregory Nelson Day D.d.s. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 81005 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

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

Dentist (Oral and Maxillofacial Surgery)
3902 SANDLEWOOD LN, SUITE 110
PUEBLO, CO 81005

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 Day's NPI number?

The NPI number for Gregory Day is 1780749176. It was assigned to this individual provider in the NPPES registry on December 26, 2006.

Where is Gregory Day located?

Gregory Day practices at 3902 Sandlewood Ln, Pueblo, CO 81005. The listed phone number is (719) 561-2440.

What is Gregory Day's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Oral and Maxillofacial Surgery, with taxonomy code 1223S0112X.

Is Gregory Day enrolled in Medicare?

Yes. Gregory Day is registered in the Medicare PECOS enrollment system.

What insurance does Gregory Day accept?

Health plans from Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Alabama, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 6 other insurers list Gregory Day 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 Gregory Day was last updated on July 9, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.