Norman Dean Gregson, DMD, PC
- Part D claims, 2024
- 52
- Industry payments
- $16
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 9200 Se 91st Avenue, Suite 100, Portland, OR 97086
- Practice phone
- Call (503) 772-6160
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
East Portland Surgery Center
Surgery Center - Medicare-Certified · Portland, Oregon
Find Norman Gregson'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.
Norman Dean Gregson is a general practice dentistry in Happy Valley, Oregon
Norman Gregson practices at East Portland Surgery Center in Portland, Oregon.
Norman Gregson's NPI, 1952393423, was assigned on August 19, 2005. Norman Gregson holds Oregon license 7090.
- NPI
- 1952393423NPI Registry (opens in a new tab)
- NPI enumeration date
- August 19, 2005
- NPI status
- Active
- Practice phone
- (503) 772-6160
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Norman Dean Gregson practices at East Portland Surgery Center in Portland, Oregon
Norman Gregson's primary practice is East Portland Surgery Center, at 9200 Se 91st Avenue, Suite 100, Portland, OR 97086. The practice phone is (503) 772-6160.
- East Portland Surgery Center9200 Se 91st Avenue, Suite 100, Portland, OR 97086Phone(503) 772-6160
Source: Dmand AI Affiliation Data
Norman Dean Gregson is affiliated with 1 site of care
Norman Gregson's primary practice is East Portland Surgery Center in Portland, Oregon.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Norman Dean Gregson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Norman Gregson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| East Portland Surgery Center | 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.
Norman Dean Gregson is one of 849 general practice dentistrys in Oregon
General practice is Norman Gregson's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. Norman Gregson is licensed in Oregon.
Specialties and state licenses
- General practice dentistry, OregonPrimary
General practice dentistrys near Norman Gregson
Counts of general practice dentistrys 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
Norman Dean Gregson's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Norman Gregson's median patient age at 67, with 100% women.
Norman Gregson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Norman Dean Gregson wrote 52 Medicare Part D claims in 2024
In 2024, Norman Gregson wrote 52 Medicare Part D claims for 46 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in Norman Gregson's Part D claims, 2024
- Antibiotics92%48 of 52 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.
Norman Dean Gregson received $16 in industry payments in 2025
CMS Open Payments shows 1 general payment to Norman Gregson from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Dentsply Sirona Inc paid the most, $16.
Companies that paid Norman Gregson the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Norman Dean Gregson'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Norman Dean Gregson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Norman Dean Gregson's NPI number?
Norman Dean Gregson's NPI number is 1952393423. It was assigned on August 19, 2005, and it is active in the NPI Registry.
What does Norman Dean Gregson specialize in?
Norman Dean Gregson is a general practice dentistry in Happy Valley, Oregon. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does Norman Dean Gregson practice?
Norman Gregson practices at 9200 Se 91st Avenue, Suite 100, Portland, OR 97086. Norman Gregson's primary practice is East Portland Surgery Center in Portland, Oregon.
What is Norman Dean Gregson's office phone number?
The practice phone on file for Norman Gregson is (503) 772-6160.
What is Norman Dean Gregson's medical license number?
Norman Gregson holds Oregon license 7090.
Has Norman Dean Gregson received payments from drug or device companies?
CMS Open Payments shows $16 in general payments to Norman Gregson from 1 company from 2025 to 2025. The largest total came from Dentsply Sirona Inc.
How long has Norman Dean Gregson been practicing?
Norman Gregson's NPI was assigned in 2005.
Selling to general practice practices?
See general practice dentistrys in Oregon 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