Gregory K. Louie, DDS
- Part D claims, 2024
- 104
- Industry payments
- $225
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 520 La Gonda Way Ste 101 Suite 101, Danville, CA 94526
- Practice phone
- Call (925) 837-2300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gregory K. Louie DDS, PC
Physician office · Danville, California
Find Gregory Louie'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 K. Louie is a prosthodontist in Danville, California
Gregory Louie practices at Gregory K. Louie DDS, PC in Danville, California.
Gregory Louie's NPI, 1225153893, was assigned on March 20, 2007. Gregory Louie holds California license 034735.
- NPI
- 1225153893NPI Registry (opens in a new tab)
- NPI enumeration date
- March 20, 2007
- NPI status
- Active
- Practice phone
- (925) 837-2300
- 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
Gregory K. Louie practices at Gregory K. Louie DDS, PC in Danville, California
Gregory Louie's primary practice is Gregory K. Louie DDS, PC, at 520 La Gonda Way Ste 101 Suite 101, Danville, CA 94526. The practice phone is (925) 837-2300.
- Gregory K. Louie DDS, PC520 La Gonda Way Ste 101 Suite 101, Danville, CA 94526Phone(925) 837-2300
Source: Dmand AI Affiliation Data
Gregory K. Louie is affiliated with 1 site of care
Gregory Louie's primary practice is Gregory K. Louie DDS, PC in Danville, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Gregory K. Louie's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Louie practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gregory K. Louie DDS, PC | 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 K. Louie is one of 159 prosthodontists in California
Prosthodontics is Gregory Louie's primary specialty in the NPI Registry, under taxonomy code 1223P0700X. Gregory Louie is licensed in California.
Specialties and state licenses
- Prosthodontist, CaliforniaPrimary
Prosthodontists near Gregory Louie
Counts of prosthodontists 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 K. Louie wrote 104 Medicare Part D claims in 2024
In 2024, Gregory Louie wrote 104 Medicare Part D claims for 71 patients. 98% of them were for generic drugs.
Gregory Louie's Part D claims by kind of drug, 2024
- Generic102 claims98%
- Brand-name and other2 claims2%
Drug classes CMS tracks in Gregory Louie's Part D claims, 2024
- Antibiotics94%98 of 104 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 K. Louie received $225 in industry payments in 2025
CMS Open Payments shows 4 general payments to Gregory Louie from 3 drug and device companies in 2025. Entertainment make up the largest share, 71% of the total. Keystone Dental Inc. paid the most, $159.
General payments to Gregory Louie by kind, 2025 to 2025
- Entertainment$15971%
- Food and beverage$6629%
Companies that paid Gregory Louie 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 Gregory K. Louie'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 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 Gregory K. Louie
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 K. Louie's NPI number?
Gregory K. Louie's NPI number is 1225153893. It was assigned on March 20, 2007, and it is active in the NPI Registry.
What does Gregory K. Louie specialize in?
Gregory K. Louie is a prosthodontist in Danville, California. The primary specialty in the NPI Registry is Prosthodontist (taxonomy code 1223P0700X).
Where does Gregory K. Louie practice?
Gregory Louie practices at 520 La Gonda Way Ste 101 Suite 101, Danville, CA 94526. Gregory Louie's primary practice is Gregory K. Louie DDS, PC in Danville, California.
What is Gregory K. Louie's office phone number?
The practice phone on file for Gregory Louie is (925) 837-2300.
What is Gregory K. Louie's medical license number?
Gregory Louie holds California license 034735.
Has Gregory K. Louie received payments from drug or device companies?
CMS Open Payments shows $225 in general payments to Gregory Louie from 3 companies from 2025 to 2025. The largest total came from Keystone Dental Inc.
How long has Gregory K. Louie been practicing?
Gregory Louie's NPI was assigned in 2007.
Selling to prosthodontics practices?
See prosthodontists in California 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