John Julian Lis, OD
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- 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 John Lis' 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.
John Julian Lis is an optometrist in Lake Forest, California
John Lis practices at National Vision, Inc. in Lake Forest, California.
John Lis' NPI, 1881728475, was assigned on March 15, 2007. John Lis holds California license 9822T.
- NPI
- 1881728475NPI Registry (opens in a new tab)
- NPI enumeration date
- March 15, 2007
- 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
John Julian Lis practices at National Vision, Inc. in Lake Forest, California
John Lis' 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
John Julian Lis is affiliated with 1 site of care and 1 medical group
John Lis' primary practice is National Vision, Inc. in Lake Forest, California. Dmand AI also links John Lis 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 John Julian Lis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Lis 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
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John Julian Lis is one of 7,206 optometrists in California
Optometrist is John Lis' primary specialty in the NPI Registry, under taxonomy code 152W00000X. John Lis is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near John Lis
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
John Julian Lis' patients have a median age of 54
Across all payers, Dmand AI patient panel data puts John Lis' median patient age at 54, with 57% women.
John Lis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women57%
- Men43%
Source: Dmand AI Patient Panel Data
Sources for John Julian Lis'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 |
| 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 John Julian Lis
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John Julian Lis' NPI number?
John Julian Lis' NPI number is 1881728475. It was assigned on March 15, 2007, and it is active in the NPI Registry.
What does John Julian Lis specialize in?
John Julian Lis is an optometrist in Lake Forest, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does John Julian Lis practice?
John Lis practices at 23600 El Toro Rd, Lake Forest, CA 92630. John Lis' primary practice is National Vision, Inc. in Lake Forest, California. Dmand AI also links John Lis to 1 medical group.
What is John Julian Lis' office phone number?
The practice phone on file for John Lis is (800) 571-5202.
What is John Julian Lis' medical license number?
John Lis holds California license 9822T.
How long has John Julian Lis been practicing?
John Lis' NPI was assigned in 2007.
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