Keith David Barker, OD
- Part D claims, 2024
- 14
- Industry payments
- $51,918
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- 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 Keith Barker'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.
Keith David Barker is an optometrist in Lake Forest, California
Keith Barker practices at National Vision, Inc. in Lake Forest, California.
Keith Barker's NPI, 1215923867, was assigned on September 20, 2005. Keith Barker holds New Mexico license 2239.
- NPI
- 1215923867NPI Registry (opens in a new tab)
- NPI enumeration date
- September 20, 2005
- 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
Keith David Barker practices at National Vision, Inc. in Lake Forest, California
Keith Barker'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
Keith David Barker is affiliated with 2 sites of care and 1 medical group
Keith Barker's primary practice is National Vision, Inc. in Lake Forest, California. Dmand AI also links Keith Barker to 1 physician office and 1 medical group, 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 Keith David Barker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Keith Barker 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 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Keith David Barker is one of 7,206 optometrists in California
Optometrist is Keith Barker's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Keith Barker is licensed in New Mexico.
Specialties and state licenses
- Optometrist, New MexicoPrimary
Optometrists near Keith Barker
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
Keith David Barker's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Keith Barker's median patient age at 69, with 53% women.
Keith Barker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women53%
- Men46%
Source: Dmand AI Patient Panel Data
Keith David Barker wrote 14 Medicare Part D claims in 2024
In 2024, Keith Barker wrote 14 Medicare Part D claims. 93% of them were for generic drugs.
Keith Barker's Part D claims by kind of drug, 2024
- Generic13 claims93%
- Brand-name and other1 claims7%
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.
Keith David Barker received $51,918 in industry payments in 2025
CMS Open Payments shows 1 general payment to Keith Barker from 1 drug or device company in 2025. Speaker and faculty fees make up the largest share, 100% of the total. Optos, Inc. paid the most, $51,918.
Companies that paid Keith Barker 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 Keith David Barker'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 |
| 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 Keith David Barker
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Keith David Barker's NPI number?
Keith David Barker's NPI number is 1215923867. It was assigned on September 20, 2005, and it is active in the NPI Registry.
What does Keith David Barker specialize in?
Keith David Barker is an optometrist in Lake Forest, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Keith David Barker practice?
Keith Barker practices at 23600 El Toro Rd, Lake Forest, CA 92630. Keith Barker's primary practice is National Vision, Inc. in Lake Forest, California. Dmand AI also links Keith Barker to 1 physician office and 1 medical group.
What is Keith David Barker's office phone number?
The practice phone on file for Keith Barker is (800) 571-5202.
What is Keith David Barker's medical license number?
Keith Barker holds New Mexico license 2239.
Has Keith David Barker received payments from drug or device companies?
CMS Open Payments shows $51,918 in general payments to Keith Barker from 1 company from 2025 to 2025. The largest total came from Optos, Inc.
How long has Keith David Barker been practicing?
Keith Barker's NPI was assigned in 2005.
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