Brenda Uyen Lien, OD
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2006
- 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 Brenda Lien'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.
Brenda Uyen Lien is an optometrist in Lake Forest, California
Brenda Lien practices at National Vision, Inc. in Lake Forest, California.
Brenda Lien's NPI, 1285746420, was assigned on August 31, 2006. Brenda Lien holds California license 13042.
- NPI
- 1285746420NPI Registry (opens in a new tab)
- NPI enumeration date
- August 31, 2006
- NPI status
- Active
- Practice phone
- (800) 571-5202
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Brenda Uyen Lien practices at National Vision, Inc. in Lake Forest, California
Brenda Lien'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
Brenda Uyen Lien is affiliated with 3 sites of care and 2 medical groups
Brenda Lien's primary practice is National Vision, Inc. in Lake Forest, California. Dmand AI also links Brenda Lien to 2 group practices and clinics and 2 medical groups, each 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 Brenda Uyen Lien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Brenda Lien practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| National Vision, Inc. | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Brenda Uyen Lien is one of 7,206 optometrists in California
Optometrist is Brenda Lien's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Brenda Lien is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Brenda Lien
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
Brenda Uyen Lien's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Brenda Lien's median patient age at 73, with 64% women.
Brenda Lien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women64%
- Men36%
Source: Dmand AI Patient Panel Data
Sources for Brenda Uyen Lien'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 Brenda Uyen Lien
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Brenda Uyen Lien's NPI number?
Brenda Uyen Lien's NPI number is 1285746420. It was assigned on August 31, 2006, and it is active in the NPI Registry.
What does Brenda Uyen Lien specialize in?
Brenda Uyen Lien is an optometrist in Lake Forest, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Brenda Uyen Lien practice?
Brenda Lien practices at 23600 El Toro Rd, Lake Forest, CA 92630. Brenda Lien's primary practice is National Vision, Inc. in Lake Forest, California. Dmand AI also links Brenda Lien to 2 group practices and clinics and 2 medical groups.
What is Brenda Uyen Lien's office phone number?
The practice phone on file for Brenda Lien is (800) 571-5202.
What is Brenda Uyen Lien's medical license number?
Brenda Lien holds California license 13042.
How long has Brenda Uyen Lien been practicing?
Brenda Lien's NPI was assigned in 2006.
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