Louise E. Marquardt, OD
- Industry payments
- $19
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 4000 Luxottica Pl, Mason, OH 45040
- Practice phone
- Call (513) 765-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Luxottica of America Inc.
Mason, Ohio
Find Louise Marquardt'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.
Louise E. Marquardt is an optometrist in Mason, Ohio
Louise Marquardt practices at Luxottica of America Inc. in Mason, Ohio.
Louise Marquardt's NPI, 1194873950, was assigned on January 8, 2007. Louise Marquardt holds Wisconsin license 2552 - 035.
- NPI
- 1194873950NPI Registry (opens in a new tab)
- NPI enumeration date
- January 8, 2007
- NPI status
- Active
- Practice phone
- (513) 765-6000
- 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
Louise E. Marquardt practices at Luxottica of America Inc. in Mason, Ohio
Louise Marquardt's primary practice is Luxottica of America Inc., at 4000 Luxottica Pl, Mason, OH 45040 in Warren County. The practice phone is (513) 765-6000.
- Luxottica of America Inc.4000 Luxottica Pl, Mason, OH 45040 · Warren CountyPhone(513) 765-6000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Louise E. Marquardt is affiliated with 2 sites of care and 1 medical group
Louise Marquardt's primary practice is Luxottica of America Inc. in Mason, Ohio. Dmand AI also links Louise Marquardt 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 Louise E. Marquardt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Louise Marquardt practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Luxottica of America 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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Louise E. Marquardt is one of 2,779 optometrists in Ohio
Optometrist is Louise Marquardt's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Louise Marquardt is licensed in Wisconsin.
Specialties and state licenses
- Optometrist, WisconsinPrimary
Optometrists near Louise Marquardt
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
Louise E. Marquardt's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Louise Marquardt's median patient age at 61, with 60% women.
Louise Marquardt's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women60%
- Men40%
Source: Dmand AI Patient Panel Data
Louise E. Marquardt received $19 in industry payments in 2025
CMS Open Payments shows 1 general payment to Louise Marquardt from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Bausch & Lomb Americas Inc. paid the most, $19.
Companies that paid Louise Marquardt 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 Louise E. Marquardt'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 Louise E. Marquardt
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Louise E. Marquardt's NPI number?
Louise E. Marquardt's NPI number is 1194873950. It was assigned on January 8, 2007, and it is active in the NPI Registry.
What does Louise E. Marquardt specialize in?
Louise E. Marquardt is an optometrist in Mason, Ohio. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Louise E. Marquardt practice?
Louise Marquardt practices at 4000 Luxottica Pl, Mason, OH 45040. Louise Marquardt's primary practice is Luxottica of America Inc. in Mason, Ohio. Dmand AI also links Louise Marquardt to 1 group practice or clinic and 1 medical group.
What is Louise E. Marquardt's office phone number?
The practice phone on file for Louise Marquardt is (513) 765-6000.
What is Louise E. Marquardt's medical license number?
Louise Marquardt holds Wisconsin license 2552 - 035.
Has Louise E. Marquardt received payments from drug or device companies?
CMS Open Payments shows $19 in general payments to Louise Marquardt from 1 company from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has Louise E. Marquardt been practicing?
Louise Marquardt's NPI was assigned in 2007.
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