Gregory Day, D.D.S.
NPI 1780749176 · Oral and Maxillofacial Surgery (Dentist) · Pueblo, CO
Enrolled with Medicare as Practitioner - Oral Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Day, D.D.S. is a Oral and Maxillofacial Surgery (Dentist) provider in Pueblo, CO (NPI 1780749176).
Provider details
- NPI number
- 1780749176
- Entity type
- Individual
- Primary specialty
- Oral and Maxillofacial Surgery (Dentist)Dental Providers
- Credential
- D.D.S.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 6563 (CO)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin | 118 | 105 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 80 | 76 |
| Chlorhexidine Gluconate | 30 | — |
| Clindamycin Hcl | 18 | — |
| Azithromycin | 14 | 14 |
| Ciprofloxacin Hcl | 13 | — |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 12 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-26
- Last updated
- 2007-07-09
Frequently asked questions
- What is Gregory Day's NPI number?
- Gregory Day's National Provider Identifier (NPI) is 1780749176, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Day's specialty?
- Gregory Day is listed in the NPPES registry with a primary specialty of Oral and Maxillofacial Surgery (Dentist) (Dental Providers).
- Where is Gregory Day located?
- Gregory Day's practice location on file with NPPES is 3902 Sandlewood Ln, Pueblo, CO 81005-7501.
- What is Gregory Day's phone number?
- The practice phone number listed in the NPPES registry for Gregory Day is (719) 561-2440.
- Does Gregory Day accept Medicare?
- Gregory Day is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Day's NPI active?
- Yes — Gregory Day's NPI (1780749176) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.