John Pak, MD
NPI 1811937311ActiveIndividual· Ophthalmology, Ophthalmic Plastic and Reconstructive Surgery· Wheaton, IL
Ophthalmology, Ophthalmic Plastic and Reconstructive Surgery (MD) in Wheaton, Illinois, trained at Boston University School of Medicine (class of 2000). In 2024 Medicare paid $339,744 for 1,116 patients, and Part D covered 1,085 of their prescriptions, 55% of them generic. Harrow Eye, LLC was the largest of 4 companies reporting payments in 2025, $146.23 in all, mostly food and beverage.
Overview
| NPI | 1811937311 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 7, 2006 |
| Last updated in NPPES | Aug 26, 2024 |
| Certified by provider | Aug 26, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology, Ophthalmic Plastic and Reconstructive Surgery Primary | 207WX0200X | 036-108561 | IL |
| Ophthalmology | 207W00000X | 036-108561 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,116 |
|---|---|
| Services billed | 12,231 across 49 procedure codes |
| Paid by Medicare | $339,744 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,085 · 1,236 30-day fills |
|---|---|
| Patients | 630 |
| Total drug cost | $69,622 |
| Generic share | 55% of claims |
Education and affiliations
| Medical school | Boston University School of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Ophthalmology |
Medical group
- Wheaton Eye Clinic LtdWheaton, IL · 44 clinicians
Hospital affiliation
- Northwestern Medicine Central Dupage HospitalWinfield, IL
Industry payments (Open Payments)
- 2025$146.23 · 5 payments from 4 companies
- 2024$57.74 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Harrow Eye, LLC | $65.77 | 2 |
| Alcon Vision LLC | $29.80 | 1 |
| Dompe US, Inc. | $28.57 | 1 |
| Sun Pharmaceutical Industries Inc. | $22.09 | 1 |
What the 2025 payments were for
- Food and Beverage$146.23 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Ophthalmology, Ophthalmic Plastic and Reconstructive Surgery providers in Wheaton
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