Sean C. Oneill, OD
- Part D claims, 2024
- 52
- Industry payments
- $16
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 6170 Grand Ave, Gurnee, IL 60031
- Practice phone
- Call (847) 855-0134
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Visionworks
Gurnee, Illinois
Find Sean Oneill'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.
Sean C. Oneill is an optometrist in Gurnee, Illinois
Sean Oneill practices at Visionworks in Gurnee, Illinois.
Sean Oneill's NPI, 1083770341, was assigned on December 29, 2006. Sean Oneill holds Illinois license 046009017.
- NPI
- 1083770341NPI Registry (opens in a new tab)
- NPI enumeration date
- December 29, 2006
- NPI status
- Active
- Practice phone
- (847) 855-0134
- 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
Sean C. Oneill practices at Visionworks in Gurnee, Illinois
Sean Oneill's primary practice is Visionworks, at 6170 Grand Ave, Gurnee, IL 60031 in Lake County. The practice phone is (847) 855-0134.
- Visionworks6170 Grand Ave, Gurnee, IL 60031 · Lake CountyPhone(847) 855-0134
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Sean C. Oneill is affiliated with 2 sites of care and 1 medical group
Sean Oneill's primary practice is Visionworks in Gurnee, Illinois. Dmand AI also links Sean Oneill to 1 group practice or clinic 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 Sean C. Oneill's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Sean Oneill practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Visionworks | 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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Sean C. Oneill is one of 2,194 optometrists in Illinois
Optometrist is Sean Oneill's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Sean Oneill is licensed in Illinois.
Specialties and state licenses
- Optometrist, IllinoisPrimary
Optometrists near Sean Oneill
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
Sean C. Oneill's patients have a median age of 39
Across all payers, Dmand AI patient panel data puts Sean Oneill's median patient age at 39, with 50% women.
Sean Oneill's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 39
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Sean C. Oneill wrote 52 Medicare Part D claims in 2024
In 2024, Sean Oneill wrote 52 Medicare Part D claims. 85% of them were for generic drugs.
Sean Oneill's Part D claims by kind of drug, 2024
- Generic44 claims85%
- Brand-name and other8 claims15%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sean C. Oneill received $16 in industry payments in 2025
CMS Open Payments shows 1 general payment to Sean Oneill from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. CooperVision Inc. paid the most, $16.
Companies that paid Sean Oneill 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 Sean C. Oneill'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 Sean C. Oneill
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Sean C. Oneill's NPI number?
Sean C. Oneill's NPI number is 1083770341. It was assigned on December 29, 2006, and it is active in the NPI Registry.
What does Sean C. Oneill specialize in?
Sean C. Oneill is an optometrist in Gurnee, Illinois. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Sean C. Oneill practice?
Sean Oneill practices at 6170 Grand Ave, Gurnee, IL 60031. Sean Oneill's primary practice is Visionworks in Gurnee, Illinois. Dmand AI also links Sean Oneill to 1 group practice or clinic and 1 medical group.
What is Sean C. Oneill's office phone number?
The practice phone on file for Sean Oneill is (847) 855-0134.
What is Sean C. Oneill's medical license number?
Sean Oneill holds Illinois license 046009017.
Has Sean C. Oneill received payments from drug or device companies?
CMS Open Payments shows $16 in general payments to Sean Oneill from 1 company from 2025 to 2025. The largest total came from CooperVision Inc.
How long has Sean C. Oneill been practicing?
Sean Oneill's NPI was assigned in 2006.
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