Claire Cortner
- Industry payments
- $233
- Affiliated sites
- 1
- Medical groups
- 2
- State licenses
- 2
- Year NPI issued
- 2025
- Practice address
- 537 W Karsch Blvd, Farmington, MO 63640
- Practice phone
- Call (636) 200-4393
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Clarkson Eyecare
Farmington, Missouri
Find Claire Cortner'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.
Claire Cortner is an optometrist in Farmington, Missouri
Claire Cortner practices at Clarkson Eyecare in Farmington, Missouri.
Claire Cortner's NPI, 1255125209, was assigned on April 7, 2025. Claire Cortner graduated from University of Missouri St Louis - School of Optometry in 2025. Claire Cortner holds Missouri license 2025021866.
- NPI
- 1255125209NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012429053
- NPI enumeration date
- April 7, 2025
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (636) 200-4393
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 27
- Medical school graduation
- 2025
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Claire Cortner practices at Clarkson Eyecare in Farmington, Missouri
Claire Cortner's primary practice is Clarkson Eyecare, at 537 W Karsch Blvd, Farmington, MO 63640 in Saint Francois County. The practice phone is (636) 200-4393.
- Clarkson Eyecare537 W Karsch Blvd, Farmington, MO 63640 · Saint Francois CountyPhone(636) 200-4393
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Claire Cortner is affiliated with 2 sites of care and 2 medical groups
Claire Cortner's primary practice is Clarkson Eyecare in Farmington, Missouri. Dmand AI also links Claire Cortner to 2 medical groups and 1 group practice or clinic, 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 Claire Cortner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Claire Cortner practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Clarkson Eyecare | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Claire Cortner is one of 866 optometrists in Missouri
Optometrist is Claire Cortner's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Dmand AI has Claire Cortner's licenses on file in 2 states: Missouri and Ohio.
Specialties and state licenses
- Optometrist, MissouriPrimary
- Ohio license
Optometrists near Claire Cortner
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
Claire Cortner's patients have a median age of 53
Across all payers, Dmand AI patient panel data puts Claire Cortner's median patient age at 53, with 59% women.
Claire Cortner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women59%
- Men41%
Source: Dmand AI Patient Panel Data
How Claire Cortner takes part in Medicare
Claire Cortner accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
Claire Cortner received $233 in industry payments in 2025
CMS Open Payments shows 5 general payments to Claire Cortner 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, $233.
Companies that paid Claire Cortner the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Claire Cortner graduated from University of Missouri St Louis - School of Optometry
Claire Cortner graduated from University of Missouri St Louis - School of Optometry in 2025.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Claire Cortner'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 |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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 Claire Cortner
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Claire Cortner's NPI number?
Claire Cortner's NPI number is 1255125209. It was assigned on April 7, 2025, and it is active in the NPI Registry.
What does Claire Cortner specialize in?
Claire Cortner is an optometrist in Farmington, Missouri. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Claire Cortner practice?
Claire Cortner practices at 537 W Karsch Blvd, Farmington, MO 63640. Claire Cortner's primary practice is Clarkson Eyecare in Farmington, Missouri. Dmand AI also links Claire Cortner to 2 medical groups and 1 group practice or clinic.
What is Claire Cortner's office phone number?
The practice phone on file for Claire Cortner is (636) 200-4393.
What is Claire Cortner's medical license number?
Claire Cortner holds Missouri license 2025021866, one of the licenses on file in 2 states.
Which states has Claire Cortner been licensed in?
Dmand AI has state licenses on file for Claire Cortner in Missouri and Ohio.
Does Claire Cortner accept Medicare?
Yes. CMS lists Claire Cortner as accepting Medicare assignment.
Where did Claire Cortner go to medical school?
Claire Cortner graduated from University of Missouri St Louis - School of Optometry in 2025.
Has Claire Cortner received payments from drug or device companies?
CMS Open Payments shows $233 in general payments to Claire Cortner from 1 company from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has Claire Cortner been practicing?
Claire Cortner graduated from medical school in 2025, 1 years ago.
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