John D. Corrow, OD
- Medicare patients, 2024
- 99
- Part D claims, 2024
- 554
- Industry payments
- $107
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 111 E 4th St, Alton, IL 62002
- Practice phone
- Call (401) 723-9540
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Aeg Rhode Island Professional
Alton, Illinois
Find John Corrow'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.
John D. Corrow is an optometrist in Alton, Illinois
John Corrow practices at Aeg Rhode Island Professional in Alton, Illinois.
John Corrow's NPI, 1720095953, was assigned on August 1, 2006. John Corrow holds Rhode Island license ODTA00502.
- NPI
- 1720095953NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022077312
- NPI enumeration date
- August 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (401) 723-9540
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
John D. Corrow practices at Aeg Rhode Island Professional in Alton, Illinois
John Corrow's primary practice is Aeg Rhode Island Professional, at 111 E 4th St, Alton, IL 62002 in Madison County. The practice phone is (401) 723-9540.
- Aeg Rhode Island Professional111 E 4th St, Alton, IL 62002 · Madison CountyPhone(401) 723-9540
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
John D. Corrow is affiliated with 3 sites of care and 2 medical groups
John Corrow's primary practice is Aeg Rhode Island Professional in Alton, Illinois. Dmand AI also links John Corrow to 2 group practices and clinics and 2 medical groups, 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 John D. Corrow's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Corrow practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Aeg Rhode Island Professional | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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John D. Corrow is one of 2,194 optometrists in Illinois
Optometrist is John Corrow's primary specialty in the NPI Registry, under taxonomy code 152W00000X. John Corrow is licensed in Rhode Island.
Specialties and state licenses
- Optometrist, Rhode IslandPrimary
Optometrists near John Corrow
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
John D. Corrow treated 99 Medicare patients in 2024, average age 74
CMS counts 99 Medicare patients who saw John Corrow in 2024. The largest group is 75 to 84, with 45 patients. 75% of them have high cholesterol, and 71% have high blood pressure. Their average risk score is 1.03, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John Corrow's median patient age at 60, with 59% women.
John Corrow's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
John Corrow's Medicare patients by sex, 2024
- Women5556%
- Men4444%
Chronic conditions among John Corrow's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis36%
- Diabetes29%
- Anxiety20%
- Chronic kidney disease18%
- Osteoporosis15%
- Ischemic heart disease14%
Share of Medicare patients with each condition. A patient can have several.
John Corrow's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John D. Corrow wrote 554 Medicare Part D claims in 2024
In 2024, John Corrow wrote 554 Medicare Part D claims for 132 patients. 62% of them were for generic drugs.
John Corrow's Part D claims by kind of drug, 2024
- Generic343 claims62%
- Brand-name211 claims38%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How John D. Corrow takes part in Medicare
John Corrow 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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John D. Corrow received $107 in industry payments in 2025
CMS Open Payments shows 5 general payments to John Corrow from 4 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. CooperVision Inc. paid the most, $38.
Companies that paid John Corrow 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 John D. Corrow'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) |
| 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 John D. Corrow
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John D. Corrow's NPI number?
John D. Corrow's NPI number is 1720095953. It was assigned on August 1, 2006, and it is active in the NPI Registry.
What does John D. Corrow specialize in?
John D. Corrow is an optometrist in Alton, Illinois. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does John D. Corrow practice?
John Corrow practices at 111 E 4th St, Alton, IL 62002. John Corrow's primary practice is Aeg Rhode Island Professional in Alton, Illinois. Dmand AI also links John Corrow to 2 group practices and clinics and 2 medical groups.
What is John D. Corrow's office phone number?
The practice phone on file for John Corrow is (401) 723-9540.
What is John D. Corrow's medical license number?
John Corrow holds Rhode Island license ODTA00502.
Does John D. Corrow accept Medicare?
Yes. CMS lists John Corrow as accepting Medicare assignment.
How many Medicare patients does John D. Corrow see?
CMS counts 99 Medicare patients who saw John Corrow in 2024, with an average age of 74.
Has John D. Corrow received payments from drug or device companies?
CMS Open Payments shows $107 in general payments to John Corrow from 4 companies from 2025 to 2025. The largest total came from CooperVision Inc.
How long has John D. Corrow been practicing?
John Corrow graduated from medical school in 1999, 27 years ago.
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