William Doty Farmer, MD
NPI 1902840861ActiveIndividual· Ophthalmology· Oxford, MS
Ophthalmology (MD) in Oxford, Mississippi, trained at University of Mississippi School of Medicine. In 2024 Medicare paid $226,585 for 1,213 patients, and Part D covered 1,865 of their prescriptions, 68% of them generic. Abbvie Inc. was the largest of 14 companies reporting payments in 2025, $1,132 in all, mostly food and beverage.
Overview
| NPI | 1902840861 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 15, 2006 |
| Last updated in NPPES | Nov 25, 2022 |
| Certified by provider | Nov 17, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 15523 | MS |
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 (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,213 |
|---|---|
| Services billed | 3,485 across 14 procedure codes |
| Paid by Medicare | $226,585 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,865 · 3,344 30-day fills |
|---|---|
| Patients | 415 |
| Total drug cost | $215,155 |
| Generic share | 68% of claims |
Education and affiliations
| Medical school | University of Mississippi School of Medicine |
|---|---|
| Medicare specialty | Ophthalmology |
Medical group
- Rayner Eye Clinic, LLCOxford, MS · 10 clinicians
Industry payments (Open Payments)
- 2025$1,132 · 47 payments from 14 companies
- 2024$721.98 · 33 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $300.77 | 9 |
| Mallinckrodt Hospital Products Inc. | $184.80 | 8 |
| Amgen Inc. | $119.67 | 6 |
| Alcon Vision LLC | $85.90 | 4 |
| Bausch & Lomb Americas Inc. | $81.86 | 4 |
What the 2025 payments were for
- Food and Beverage$1,102 · 46 payments
- Entertainment$30.37 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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