Todd A. Zelczak, OD
- Medicare patients, 2024
- 395
- Part D claims, 2024
- 1,075
- Industry payments
- $2,170
- Affiliated sites
- 3
- Medical groups
- 3
- Practice address
- 111 E 4th St, Alton, IL 62002
- Practice phone
- Call (314) 741-8183
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Aeg Ohio Professional
Alton, Illinois
Find Todd Zelczak'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.
Todd A. Zelczak is an optometrist in Alton, Illinois
Todd Zelczak practices at Aeg Ohio Professional in Alton, Illinois.
Todd Zelczak's NPI, 1922195775, was assigned on October 5, 2006. Todd Zelczak graduated from Pennsylvania College of Optometry in 1992. Todd Zelczak holds Ohio license 4433-T1089.
- NPI
- 1922195775NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931242112
- NPI enumeration date
- October 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 741-8183
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Todd A. Zelczak practices at Aeg Ohio Professional in Alton, Illinois
Todd Zelczak's primary practice is Aeg Ohio Professional, at 111 E 4th St, Alton, IL 62002 in Madison County. The practice phone is (314) 741-8183.
- Aeg Ohio Professional111 E 4th St, Alton, IL 62002 · Madison CountyPhone(314) 741-8183
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Todd A. Zelczak is affiliated with 4 sites of care and 3 medical groups
Todd Zelczak's primary practice is Aeg Ohio Professional in Alton, Illinois. Dmand AI also links Todd Zelczak 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 Todd A. Zelczak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Todd Zelczak practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Aeg Ohio Professional | 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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Todd A. Zelczak is one of 2,194 optometrists in Illinois
Optometrist is Todd Zelczak's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Todd Zelczak is licensed in Ohio.
Specialties and state licenses
- Optometrist, OhioPrimary
Optometrists near Todd Zelczak
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
Todd A. Zelczak treated 395 Medicare patients in 2024, average age 74
CMS counts 395 Medicare patients who saw Todd Zelczak in 2024. The largest group is 65 to 74, with 233 patients. 73% of them have high cholesterol, and 61% have high blood pressure. 4% are also on Medicaid. Their average risk score is 0.88, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Todd Zelczak's median patient age at 70, with 57% women.
Todd Zelczak's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Todd Zelczak's Medicare patients by sex, 2024
- Women22557%
- Men17043%
Chronic conditions among Todd Zelczak's Medicare patients, 2024
- High cholesterol73%
- High blood pressure61%
- Arthritis41%
- Ischemic heart disease24%
- Diabetes21%
- Anxiety16%
- Chronic kidney disease16%
- Cancer15%
Share of Medicare patients with each condition. A patient can have several.
Todd Zelczak'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
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Todd A. Zelczak wrote 1,075 Medicare Part D claims in 2024
In 2024, Todd Zelczak wrote 1,075 Medicare Part D claims for 345 patients. 64% of them were for generic drugs.
Todd Zelczak's Part D claims by kind of drug, 2024
- Generic690 claims64%
- Brand-name385 claims36%
Drug classes CMS tracks in Todd Zelczak's Part D claims, 2024
- Antibiotics7%78 of 1,075 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 Todd A. Zelczak takes part in Medicare
Todd Zelczak 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)
For MedTech and pharma teams
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Todd A. Zelczak received $2,170 in industry payments in 2025
CMS Open Payments shows 20 general payments to Todd Zelczak from 10 drug and device companies in 2025. Speaker and faculty fees make up the largest share, 74% of the total. Bausch & Lomb Americas Inc. paid the most, $1,678.
General payments to Todd Zelczak by kind, 2025 to 2025
- Speaker and faculty fees$1,60074%
- Food and beverage$57026%
Companies that paid Todd Zelczak the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Todd A. Zelczak graduated from Pennsylvania College of Optometry
Todd Zelczak graduated from Pennsylvania College of Optometry in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Todd A. Zelczak'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 Todd A. Zelczak
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Todd A. Zelczak's NPI number?
Todd A. Zelczak's NPI number is 1922195775. It was assigned on October 5, 2006, and it is active in the NPI Registry.
What does Todd A. Zelczak specialize in?
Todd A. Zelczak is an optometrist in Alton, Illinois. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Todd A. Zelczak practice?
Todd Zelczak practices at 111 E 4th St, Alton, IL 62002. Todd Zelczak's primary practice is Aeg Ohio Professional in Alton, Illinois. Dmand AI also links Todd Zelczak to 3 group practices and clinics and 3 medical groups.
What is Todd A. Zelczak's office phone number?
The practice phone on file for Todd Zelczak is (314) 741-8183.
What is Todd A. Zelczak's medical license number?
Todd Zelczak holds Ohio license 4433-T1089.
Does Todd A. Zelczak accept Medicare?
Yes. CMS lists Todd Zelczak as accepting Medicare assignment.
How many Medicare patients does Todd A. Zelczak see?
CMS counts 395 Medicare patients who saw Todd Zelczak in 2024, with an average age of 74.
Where did Todd A. Zelczak go to medical school?
Todd Zelczak graduated from Pennsylvania College of Optometry in 1992.
Has Todd A. Zelczak received payments from drug or device companies?
CMS Open Payments shows $2,170 in general payments to Todd Zelczak from 10 companies from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has Todd A. Zelczak been practicing?
Todd Zelczak graduated from medical school in 1992, 34 years ago.
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