James W. Riegel, OD
- Medicare patients, 2024
- 194
- Part D claims, 2024
- 128
- Industry payments
- $42
- Affiliated sites
- 3
- Medical groups
- 3
- Practice address
- 111 E 4th St, Alton, IL 62002
- Practice phone
- Call (412) 731-2020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Eyes On Regent Square
Alton, Illinois
Find James Riegel'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.
James W. Riegel is an optometrist in Alton, Illinois
James Riegel practices at Eyes On Regent Square in Alton, Illinois.
James Riegel's NPI, 1093709255, was assigned on September 2, 2005. James Riegel graduated from Pennsylvania College of Optometry in 1997. James Riegel holds Pennsylvania license OEG000600.
- NPI
- 1093709255NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082894134
- NPI enumeration date
- September 2, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (412) 731-2020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
James W. Riegel practices at Eyes on Regent Square in Alton, Illinois
James Riegel's primary practice is Eyes on Regent Square, at 111 E 4th St, Alton, IL 62002 in Madison County. The practice phone is (412) 731-2020.
- Eyes on Regent Square111 E 4th St, Alton, IL 62002 · Madison CountyPhone(412) 731-2020
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
James W. Riegel is affiliated with 4 sites of care and 3 medical groups
James Riegel's primary practice is Eyes On Regent Square in Alton, Illinois. Dmand AI also links James Riegel to 3 group practices and clinics and 3 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 James W. Riegel's practice
Dmand AI tracks the electronic health record (EHR) system at each site where James Riegel practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Eyes On Regent Square | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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James W. Riegel is one of 2,194 optometrists in Illinois
Optometrist is James Riegel's primary specialty in the NPI Registry, under taxonomy code 152W00000X. James Riegel is licensed in Pennsylvania.
Specialties and state licenses
- Optometrist, PennsylvaniaPrimary
Optometrists near James Riegel
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
James W. Riegel treated 194 Medicare patients in 2024, average age 73
CMS counts 194 Medicare patients who saw James Riegel in 2024. The largest group is 65 to 74, with 124 patients. 75% of them have high cholesterol, and 68% have high blood pressure. Their average risk score is 0.84, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts James Riegel's median patient age at 70, with 59% women.
James Riegel's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
James Riegel's Medicare patients by sex, 2024
- Women12263%
- Men7237%
Chronic conditions among James Riegel's Medicare patients, 2024
- High cholesterol75%
- High blood pressure68%
- Arthritis42%
- Diabetes25%
- Chronic kidney disease19%
- Ischemic heart disease18%
- Mood disorders18%
- Anxiety16%
Share of Medicare patients with each condition. A patient can have several.
James Riegel's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women59%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
James W. Riegel wrote 128 Medicare Part D claims in 2024
In 2024, James Riegel wrote 128 Medicare Part D claims for 48 patients. 56% of them were for generic drugs.
James Riegel's Part D claims by kind of drug, 2024
- Generic72 claims56%
- Brand-name56 claims44%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How James W. Riegel takes part in Medicare
James Riegel accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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James W. Riegel received $42 in industry payments in 2025
CMS Open Payments shows 2 general payments to James Riegel from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Bausch & Lomb Americas Inc. paid the most, $24.
Companies that paid James Riegel the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
James W. Riegel graduated from Pennsylvania College of Optometry
James Riegel graduated from Pennsylvania College of Optometry in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for James W. Riegel'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) |
| 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 James W. Riegel
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is James W. Riegel's NPI number?
James W. Riegel's NPI number is 1093709255. It was assigned on September 2, 2005, and it is active in the NPI Registry.
What does James W. Riegel specialize in?
James W. Riegel is an optometrist in Alton, Illinois. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does James W. Riegel practice?
James Riegel practices at 111 E 4th St, Alton, IL 62002. James Riegel's primary practice is Eyes On Regent Square in Alton, Illinois. Dmand AI also links James Riegel to 3 group practices and clinics and 3 medical groups.
What is James W. Riegel's office phone number?
The practice phone on file for James Riegel is (412) 731-2020.
What is James W. Riegel's medical license number?
James Riegel holds Pennsylvania license OEG000600.
Does James W. Riegel accept Medicare?
Yes. CMS lists James Riegel as accepting Medicare assignment.
How many Medicare patients does James W. Riegel see?
CMS counts 194 Medicare patients who saw James Riegel in 2024, with an average age of 73.
Where did James W. Riegel go to medical school?
James Riegel graduated from Pennsylvania College of Optometry in 1997.
Has James W. Riegel received payments from drug or device companies?
CMS Open Payments shows $42 in general payments to James Riegel from 2 companies from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has James W. Riegel been practicing?
James Riegel graduated from medical school in 1997, 29 years ago.
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