John Szczepaniak, OD
- Industry payments
- $99
- Affiliated sites
- 1
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2013
- Practice address
- 23600 El Toro Rd, Lake Forest, CA 92630
- Practice phone
- Call (800) 571-5202
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
National Vision, Inc.
Lake Forest, California
Find John Szczepaniak'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 Szczepaniak is an optometrist in Lake Forest, California
John Szczepaniak practices at National Vision, Inc. in Lake Forest, California.
John Szczepaniak's NPI, 1891116406, was assigned on December 27, 2013. John Szczepaniak holds Illinois license 046.010756.
- NPI
- 1891116406NPI Registry (opens in a new tab)
- NPI enumeration date
- December 27, 2013
- NPI status
- Active
- Practice phone
- (800) 571-5202
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
John Szczepaniak practices at National Vision, Inc. in Lake Forest, California
John Szczepaniak's primary practice is National Vision, Inc., at 23600 El Toro Rd, Lake Forest, CA 92630 in Orange County. The practice phone is (800) 571-5202.
- National Vision, Inc.23600 El Toro Rd, Lake Forest, CA 92630 · Orange CountyPhone(800) 571-5202
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
John Szczepaniak is affiliated with 2 sites of care and 2 medical groups
John Szczepaniak's primary practice is National Vision, Inc. in Lake Forest, California. Dmand AI also links John Szczepaniak 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 John Szczepaniak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Szczepaniak practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| National Vision, Inc. | 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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John Szczepaniak is one of 7,206 optometrists in California
Optometrist is John Szczepaniak's primary specialty in the NPI Registry, under taxonomy code 152W00000X. John Szczepaniak is licensed in Illinois.
Specialties and state licenses
- Optometrist, IllinoisPrimary
Optometrists near John Szczepaniak
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 Szczepaniak's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts John Szczepaniak's median patient age at 65, with 48% women.
John Szczepaniak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women48%
- Men52%
Source: Dmand AI Patient Panel Data
John Szczepaniak received $99 in industry payments in 2025
CMS Open Payments shows 1 general payment to John Szczepaniak from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. CooperVision Inc. paid the most, $99.
Companies that paid John Szczepaniak 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 Szczepaniak'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 |
| 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 Szczepaniak
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 Szczepaniak's NPI number?
John Szczepaniak's NPI number is 1891116406. It was assigned on December 27, 2013, and it is active in the NPI Registry.
What does John Szczepaniak specialize in?
John Szczepaniak is an optometrist in Lake Forest, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does John Szczepaniak practice?
John Szczepaniak practices at 23600 El Toro Rd, Lake Forest, CA 92630. John Szczepaniak's primary practice is National Vision, Inc. in Lake Forest, California. Dmand AI also links John Szczepaniak to 2 medical groups and 1 group practice or clinic.
What is John Szczepaniak's office phone number?
The practice phone on file for John Szczepaniak is (800) 571-5202.
What is John Szczepaniak's medical license number?
John Szczepaniak holds Illinois license 046.010756.
Has John Szczepaniak received payments from drug or device companies?
CMS Open Payments shows $99 in general payments to John Szczepaniak from 1 company from 2025 to 2025. The largest total came from CooperVision Inc.
How long has John Szczepaniak been practicing?
John Szczepaniak's NPI was assigned in 2013.
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