Patrick Joseph Riddle, M.D.
NPI 1811992993ActiveIndividual· Ophthalmology· Nashua, NH
Ophthalmology (M.D.) in Nashua, New Hampshire, trained at Creighton University School of Medicine (class of 1971). In 2024 Medicare paid $140,593 for 1,150 patients, and Part D covered 529 of their prescriptions, 70% of them generic. Bausch & Lomb Americas Inc. was the largest of 12 companies reporting payments in 2025, $696.58 in all, mostly food and beverage.
Overview
| NPI | 1811992993 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 16, 2005 |
| Last updated in NPPES | Aug 11, 2022 |
| Certified by provider | Aug 11, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 6907 | NH |
| Ophthalmology | 207W00000X | 12369 | NE |
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 - Ophthalmology (NH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,150 |
|---|---|
| Services billed | 2,281 across 27 procedure codes |
| Paid by Medicare | $140,593 |
Part D prescriptions in 2024
| Prescriptions (claims) | 529 · 1,080 30-day fills |
|---|---|
| Patients | 166 |
| Total drug cost | $65,934 |
| Generic share | 70% of claims |
Education and affiliations
| Medical school | Creighton University School of Medicine |
|---|---|
| Graduation year | 1971 |
| Medicare specialty | Ophthalmology |
Medical group
- Nashua Eye Associates, P.A.Nashua, NH · 20 clinicians
Industry payments (Open Payments)
- 2025$696.58 · 30 payments from 12 companies
- 2024$865.78 · 40 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bausch & Lomb Americas Inc. | $118.02 | 6 |
| Abbvie Inc. | $106.74 | 4 |
| Astellas Pharma US Inc | $105.36 | 4 |
| Apellis Pharmaceuticals, Inc. | $73.55 | 4 |
| Dompe US, Inc. | $64.15 | 2 |
What the 2025 payments were for
- Food and Beverage$696.58 · 30 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Ophthalmology providers in Nashua
- 1801891247
- 1972951986
- 1891790986
- 1972508026
- 1205198629
- 1619972015