David Loring Nash, MD
NPI 1306135231ActiveIndividual· Ophthalmology· La Crosse, WI
Ophthalmology (MD) in La Crosse, Wisconsin, trained at Creighton University School of Medicine (class of 2011). Mostly services rather than prescriptions: Medicare paid $10,162 for 76 patients in 2024, with only 32 Part D claims. Regeneron Healthcare Solutions, Inc. was the largest of 2 companies reporting payments in 2024, $123.96 in all, mostly food and beverage.
Overview
| NPI | 1306135231 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Mar 31, 2011 |
| Last updated in NPPES | Dec 8, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 58988 | MN |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
| Ophthalmology | 207W00000X | 65643 | WI |
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 (MN); Practitioner - Ophthalmology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 76 |
|---|---|
| Services billed | 142 across 25 procedure codes |
| Paid by Medicare | $10,162 |
Part D prescriptions in 2024
| Prescriptions (claims) | 32 · 42 30-day fills |
|---|---|
| Patients | 26 |
| Total drug cost | $728.71 |
| Generic share | 56% of claims |
Education and affiliations
| Medical school | Creighton University School of Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Ophthalmology |
Medical group
- Gundersen Lutheran Medical Center IncLa Crosse, WI · 895 clinicians
Hospital affiliation
- Gundersen Lutheran Medical CenterLa Crosse, WI
Industry payments (Open Payments)
- 2024$123.96 · 2 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $109.83 | 1 |
| Grifols USA, LLC | $14.13 | 1 |
What the 2024 payments were for
- Food and Beverage$123.96 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 20 ophthalmologists in La Crosse · All ophthalmologists in Wisconsin