Gregory Nelson Day, DDS
- Part D claims, 2024
- 304
- Affiliated sites
- 2
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 7444 W Alaska Dr, Suite 250, Lakewood, CO 80226
- Practice phone
- Call (303) 592-7284
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Apex Pathology
Clinical Lab - Full Service · Lakewood, Colorado
Find Gregory Day's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Gregory Nelson Day is an oral and maxillofacial surgery (dentist) in Lakewood, Colorado
Gregory Day practices at Apex Pathology in Lakewood, Colorado.
Gregory Day's NPI, 1780749176, was assigned on December 26, 2006. Gregory Day graduated from Creighton University School of Dentistry in 1988. Gregory Day holds Colorado license 6563.
- NPI
- 1780749176NPI Registry (opens in a new tab)
- NPI enumeration date
- December 26, 2006
- NPI status
- Active
- Practice phone
- (303) 592-7284
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Gregory Nelson Day practices at Apex Pathology in Lakewood, Colorado
Gregory Day's primary practice is Apex Pathology, at 7444 W Alaska Dr, Suite 250, Lakewood, CO 80226. The practice phone is (303) 592-7284.
- Apex Pathology7444 W Alaska Dr, Suite 250, Lakewood, CO 80226Phone(303) 592-7284
Source: Dmand AI Affiliation Data
Gregory Nelson Day is affiliated with 2 sites of care
Gregory Day's primary practice is Apex Pathology in Lakewood, Colorado. Dmand AI also links Gregory Day to 1 physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Gregory Nelson Day's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Day practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Apex Pathology | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Gregory Nelson Day is one of 100 orals and maxillofacial surgery (dentist)s in Colorado
Oral and maxillofacial surgery is Gregory Day's primary specialty in the NPI Registry, under taxonomy code 1223S0112X. Gregory Day is licensed in Colorado.
Specialties and state licenses
- Oral and maxillofacial surgery (dentist), ColoradoPrimary
Orals and maxillofacial surgery (dentist)s near Gregory Day
Counts of orals and maxillofacial surgery (dentist)s with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Gregory Nelson Day's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Gregory Day's median patient age at 75, with 67% women.
Gregory Day's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
Gregory Nelson Day wrote 304 Medicare Part D claims in 2024
In 2024, Gregory Day wrote 304 Medicare Part D claims for 147 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in Gregory Day's Part D claims, 2024
- Opioids30%92 of 304 claims
- Antibiotics59%178 of 304 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Gregory Nelson Day graduated from Creighton University School of Dentistry
Gregory Day graduated from Creighton University School of Dentistry in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Gregory Nelson Day's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Gregory Nelson Day
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gregory Nelson Day's NPI number?
Gregory Nelson Day's NPI number is 1780749176. It was assigned on December 26, 2006, and it is active in the NPI Registry.
What does Gregory Nelson Day specialize in?
Gregory Nelson Day is an oral and maxillofacial surgery (dentist) in Lakewood, Colorado. The primary specialty in the NPI Registry is Oral and Maxillofacial Surgery (Dentist) (taxonomy code 1223S0112X).
Where does Gregory Nelson Day practice?
Gregory Day practices at 7444 W Alaska Dr, Suite 250, Lakewood, CO 80226. Gregory Day's primary practice is Apex Pathology in Lakewood, Colorado. Dmand AI also links Gregory Day to 1 physician office.
What is Gregory Nelson Day's office phone number?
The practice phone on file for Gregory Day is (303) 592-7284.
What is Gregory Nelson Day's medical license number?
Gregory Day holds Colorado license 6563.
Where did Gregory Nelson Day go to medical school?
Gregory Day graduated from Creighton University School of Dentistry in 1988.
How long has Gregory Nelson Day been practicing?
Gregory Day graduated from medical school in 1988, 38 years ago.
Selling to oral and maxillofacial surgery practices?
See orals and maxillofacial surgery (dentist)s in Colorado by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card