Loka P. Thangamathesvaran, MD
NPI 1558824680ActiveIndividual· Ophthalmology· Bellevue, WA
Ophthalmology (MD) in Bellevue, Washington, trained at Rutgers New Jersey Medical School (class of 2019). In 2024 Medicare paid $79,560 for 324 patients, and Part D covered 764 of their prescriptions, 67% of them generic. Apellis Pharmaceuticals, Inc. was the largest of 3 companies reporting payments in 2025, $470.59 in all, mostly food and beverage.
Overview
| NPI | 1558824680 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 6, 2019 |
| Last updated in NPPES | Jul 31, 2025 |
| Certified by provider | Jul 31, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | MD61536948 | WA |
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 (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 324 |
|---|---|
| Services billed | 914 across 49 procedure codes |
| Paid by Medicare | $79,560 |
Part D prescriptions in 2024
| Prescriptions (claims) | 764 · 918 30-day fills |
|---|---|
| Patients | 237 |
| Total drug cost | $20,316 |
| Generic share | 67% of claims |
Education and affiliations
| Medical school | Rutgers New Jersey Medical School |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Ophthalmology |
Medical group
- Pacific Northwest Retina PLLCBellevue, WA · 20 clinicians
Hospital affiliation
- Swedish Medical CenterSeattle, WA
Industry payments (Open Payments)
- 2025$470.59 · 8 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Apellis Pharmaceuticals, Inc. | $248.44 | 3 |
| Regeneron Healthcare Solutions, Inc. | $162.70 | 3 |
| Astellas Pharma US Inc | $59.45 | 2 |
What the 2025 payments were for
- Food and Beverage$470.59 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 50 ophthalmologists in Bellevue · All ophthalmologists in Washington