Nathan Louie, OD
- Industry payments
- $108
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2014
- Practice address
- 23600 El Toro Rd, Lake Forest, CA 92630
- Practice phone
- Call (800) 571-5202
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
National Vision, Inc.
Lake Forest, California
Find Nathan 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.
Nathan Louie is an optometrist in Lake Forest, California
Nathan Louie practices at National Vision, Inc. in Lake Forest, California.
Nathan Louie's NPI, 1548679269, was assigned on August 6, 2014. Nathan Louie holds California license 15051.
- NPI
- 1548679269NPI Registry (opens in a new tab)
- NPI enumeration date
- August 6, 2014
- NPI status
- Active
- Practice phone
- (800) 571-5202
- 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 Practice Data
Nathan Louie practices at National Vision, Inc. in Lake Forest, California
Nathan Louie's primary practice is National Vision, Inc., at 23600 El Toro Rd, Lake Forest, CA 92630 in Orange County. The practice phone is (800) 571-5202.
- National Vision, Inc.23600 El Toro Rd, Lake Forest, CA 92630 · Orange CountyPhone(800) 571-5202
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Nathan Louie is affiliated with 1 site of care and 1 medical group
Nathan Louie's primary practice is National Vision, Inc. in Lake Forest, California. Dmand AI also links Nathan Louie to 1 medical group, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Nathan Louie's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Nathan Louie practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| National Vision, Inc. | Available with a free account |
| +1 medical group | 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.
Nathan Louie is one of 7,206 optometrists in California
Optometrist is Nathan Louie's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Nathan Louie is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Nathan Louie
Counts of optometrists 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
Nathan Louie's patients have a median age of 66
Across all payers, Dmand AI patient panel data puts Nathan Louie's median patient age at 66, with 44% women.
Nathan Louie's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women44%
- Men50%
Source: Dmand AI Patient Panel Data
Nathan Louie received $108 in industry payments in 2025
CMS Open Payments shows 1 general payment to Nathan Louie from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Dompe US, Inc. paid the most, $108.
Companies that paid Nathan 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 Nathan 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 Nathan 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 Nathan Louie's NPI number?
Nathan Louie's NPI number is 1548679269. It was assigned on August 6, 2014, and it is active in the NPI Registry.
What does Nathan Louie specialize in?
Nathan Louie is an optometrist in Lake Forest, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Nathan Louie practice?
Nathan Louie practices at 23600 El Toro Rd, Lake Forest, CA 92630. Nathan Louie's primary practice is National Vision, Inc. in Lake Forest, California. Dmand AI also links Nathan Louie to 1 medical group.
What is Nathan Louie's office phone number?
The practice phone on file for Nathan Louie is (800) 571-5202.
What is Nathan Louie's medical license number?
Nathan Louie holds California license 15051.
Has Nathan Louie received payments from drug or device companies?
CMS Open Payments shows $108 in general payments to Nathan Louie from 1 company from 2025 to 2025. The largest total came from Dompe US, Inc.
How long has Nathan Louie been practicing?
Nathan Louie's NPI was assigned in 2014.
Selling to optometrist practices?
See optometrists 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