Mary Elizabeth Ferris, O.D., F.A.A.O.
NPI 1912190786ActiveIndividual· Optometrist· Chehalis, WA
Optometrist (O.D., F.A.A.O.) in Chehalis, Washington, trained at Indiana University - School of Optometry (class of 2007). In 2024 Medicare paid $33,036 for 236 patients, and Part D covered 181 of their prescriptions, 55% of them generic. Bausch & Lomb Americas Inc. was the largest of 3 companies reporting payments in 2025, $208.10 in all, mostly food and beverage.
Overview
| NPI | 1912190786 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D., F.A.A.O. |
| Sole proprietor | No |
| NPI issued | Aug 24, 2007 |
| Last updated in NPPES | Dec 9, 2025 |
| Certified by provider | Dec 9, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 4153 | WA |
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 - Optometry (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 236 |
|---|---|
| Services billed | 512 across 28 procedure codes |
| Paid by Medicare | $33,036 |
Part D prescriptions in 2024
| Prescriptions (claims) | 181 · 341 30-day fills |
|---|---|
| Patients | 66 |
| Total drug cost | $23,059 |
| Generic share | 55% of claims |
Education and affiliations
| Medical school | Indiana University - School of Optometry |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Optometry |
Medical group
- Rainier Eye and Vision PLLCChehalis, WA · 2 clinicians
Industry payments (Open Payments)
- 2025$208.10 · 3 payments from 3 companies
- 2024$646.47 · 6 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bausch & Lomb Americas Inc. | $115.69 | 1 |
| Alcon Vision LLC | $65.70 | 1 |
| Biotissue Holdings Inc. | $26.71 | 1 |
What the 2025 payments were for
- Food and Beverage$208.10 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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