Keaton C. Cornish, OD
- Medicare patients, 2024
- 1,459
- Part D claims, 2024
- 1,094
- Industry payments
- $18
- Affiliated sites
- 1
- Medical groups
- 2
- Practice address
- 309 E Church St, Marshalltown, IA 50158
- Practice phone
- Call (641) 754-6200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Wolfe Eye Clinic- Marshalltown
Marshalltown, Iowa
Find Keaton Cornish'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.
Keaton C. Cornish is an optometrist in Marshalltown, Iowa
Keaton Cornish practices at Wolfe Eye Clinic- Marshalltown in Marshalltown, Iowa.
Keaton Cornish's NPI, 1407296478, was assigned on July 4, 2013. Keaton Cornish graduated from Illinois College of Optometry at Chicago in 2013. Keaton Cornish holds Iowa license 002590.
- NPI
- 1407296478NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2365668639
- NPI enumeration date
- July 4, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (641) 754-6200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Keaton C. Cornish practices at Wolfe Eye Clinic- Marshalltown in Marshalltown, Iowa
Keaton Cornish's primary practice is Wolfe Eye Clinic- Marshalltown, at 309 E Church St, Marshalltown, IA 50158 in Marshall County. The practice phone is (641) 754-6200.
- Wolfe Eye Clinic- Marshalltown309 E Church St, Marshalltown, IA 50158 · Marshall CountyPhone(641) 754-6200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Keaton C. Cornish is affiliated with 2 sites of care and 2 medical groups
Keaton Cornish's primary practice is Wolfe Eye Clinic- Marshalltown in Marshalltown, Iowa. Dmand AI also links Keaton Cornish 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 Keaton C. Cornish's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Keaton Cornish practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Wolfe Eye Clinic- Marshalltown | 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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Keaton C. Cornish is one of 501 optometrists in Iowa
Optometrist is Keaton Cornish's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Keaton Cornish is licensed in Iowa.
Specialties and state licenses
- Optometrist, IowaPrimary
Optometrists near Keaton Cornish
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
Keaton C. Cornish treated 1,459 Medicare patients in 2024, average age 76
CMS counts 1,459 Medicare patients who saw Keaton Cornish in 2024. The largest group is 65 to 74, with 631 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 3% are also on Medicaid. Their average risk score is 0.98, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Keaton Cornish's median patient age at 73, with 58% women.
Keaton Cornish's Medicare patients by age, 2024
Keaton Cornish's Medicare patients by sex, 2024
- Women89761%
- Men56239%
Chronic conditions among Keaton Cornish's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis41%
- Diabetes27%
- Chronic kidney disease25%
- Ischemic heart disease23%
- Mood disorders21%
- Depression20%
Share of Medicare patients with each condition. A patient can have several.
Keaton Cornish'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
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Keaton C. Cornish wrote 1,094 Medicare Part D claims in 2024
In 2024, Keaton Cornish wrote 1,094 Medicare Part D claims for 268 patients. 68% of them were for generic drugs.
Keaton Cornish's Part D claims by kind of drug, 2024
- Generic743 claims68%
- Brand-name351 claims32%
Drug classes CMS tracks in Keaton Cornish's Part D claims, 2024
- Antibiotics2%27 of 1,094 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Keaton C. Cornish takes part in Medicare
Keaton Cornish 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)
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Keaton C. Cornish received $18 in industry payments in 2025
CMS Open Payments shows 1 general payment to Keaton Cornish from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $18.
Companies that paid Keaton Cornish the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Keaton C. Cornish graduated from Illinois College of Optometry at Chicago
Keaton Cornish graduated from Illinois College of Optometry at Chicago in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Keaton C. Cornish'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| 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 Keaton C. Cornish
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Keaton C. Cornish's NPI number?
Keaton C. Cornish's NPI number is 1407296478. It was assigned on July 4, 2013, and it is active in the NPI Registry.
What does Keaton C. Cornish specialize in?
Keaton C. Cornish is an optometrist in Marshalltown, Iowa. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Keaton C. Cornish practice?
Keaton Cornish practices at 309 E Church St, Marshalltown, IA 50158. Keaton Cornish's primary practice is Wolfe Eye Clinic- Marshalltown in Marshalltown, Iowa. Dmand AI also links Keaton Cornish to 2 medical groups and 1 group practice or clinic.
What is Keaton C. Cornish's office phone number?
The practice phone on file for Keaton Cornish is (641) 754-6200.
What is Keaton C. Cornish's medical license number?
Keaton Cornish holds Iowa license 002590.
Does Keaton C. Cornish accept Medicare?
Yes. CMS lists Keaton Cornish as accepting Medicare assignment.
How many Medicare patients does Keaton C. Cornish see?
CMS counts 1,459 Medicare patients who saw Keaton Cornish in 2024, with an average age of 76.
Where did Keaton C. Cornish go to medical school?
Keaton Cornish graduated from Illinois College of Optometry at Chicago in 2013.
Has Keaton C. Cornish received payments from drug or device companies?
CMS Open Payments shows $18 in general payments to Keaton Cornish from 1 company from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Keaton C. Cornish been practicing?
Keaton Cornish graduated from medical school in 2013, 13 years ago.
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