Thomas D. Patrianakos, D.O.
NPI 1073530929ActiveIndividual· Ophthalmology· Chicago, IL
Ophthalmology (D.O.) in Chicago, Illinois, trained at Midwestern University, Chicago College of Osteopathic Med (class of 2001). In 2024 Medicare paid $206,053 for 1,138 patients, and Part D covered 2,063 of their prescriptions, 62% of them generic. Sight Sciences, Inc. was the largest of 9 companies reporting payments in 2025, $1,777 in all, mostly food and beverage.
Overview
| NPI | 1073530929 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Jul 16, 2006 |
| Last updated in NPPES | May 26, 2026 |
| Certified by provider | May 26, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 036-113316 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 1,138 |
|---|---|
| Services billed | 2,374 across 37 procedure codes |
| Paid by Medicare | $206,053 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,063 · 3,386 30-day fills |
|---|---|
| Patients | 438 |
| Total drug cost | $96,926 |
| Generic share | 62% of claims |
Education and affiliations
| Medical school | Midwestern University, Chicago College of Osteopathic Med |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Ophthalmology |
| Secondary specialties | Maxillofacial Surgery |
Medical group
- Cook CountyChicago, IL · 788 clinicians
Hospital affiliations
- John H Stroger Jr HospitalChicago, IL
- Provident Hospital of ChicagoChicago, IL
- Swedish HospitalChicago, IL
Industry payments (Open Payments)
- 2025$1,777 · 28 payments from 9 companies
- 2024$1,448 · 21 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sight Sciences, Inc. | $480.36 | 7 |
| Alcon Vision LLC | $390.48 | 6 |
| Glaukos Corporation | $355.80 | 3 |
| New World Medical,inc. | $353.78 | 6 |
| Amgen Inc. | $104.96 | 1 |
What the 2025 payments were for
- Food and Beverage$1,777 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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