Nayanika Challa
NPI 1447992896ActiveIndividual· Ophthalmology· Chicago, IL
Ophthalmology in Chicago, Illinois, trained at Ohio State University College of Medicine (class of 2022). Part D covered 402 prescriptions written in 2024, 67% of them generic. Alcon Vision LLC was the largest of 3 companies reporting payments in 2025, $433.32 in all, mostly food and beverage.
Overview
| NPI | 1447992896 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 7, 2022 |
| Last updated in NPPES | May 20, 2026 |
| Certified by provider | May 20, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 036.179653 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (IL) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 402 · 709 30-day fills |
|---|---|
| Patients | 157 |
| Total drug cost | $29,480 |
| Generic share | 67% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 2022 |
| Medicare specialty | Ophthalmology |
Medical group
- The Board of Trustees of the University of IllinoisChicago, IL · 1,150 clinicians
Hospital affiliation
- University of Illinois Hospital and ClinicsChicago, IL
Industry payments (Open Payments)
- 2025$433.32 · 6 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $259.68 | 4 |
| Astellas Pharma Global Development | $149.00 | 1 |
| Carl Zeiss Meditec USA, Inc. | $24.64 | 1 |
What the 2025 payments were for
- Food and Beverage$433.32 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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