David J. Diaz, MD
NPI 1548474018ActiveIndividual· Ophthalmology· Burlington, VT
Ophthalmology (MD) in Burlington, Vermont, trained at Perelman School of Med at the University of Pennsylvania (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $675,587 for 6,977 claims, against $154,136 paid for services in 2024.
Overview
| NPI | 1548474018 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 10, 2007 |
| Last updated in NPPES | Feb 16, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 0420011773 | VT |
| Ophthalmology | 207W00000X | 250434 | MA |
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 (VT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 748 |
|---|---|
| Services billed | 2,851 across 34 procedure codes |
| Paid by Medicare | $154,136 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,977 · 12,861 30-day fills |
|---|---|
| Patients | 972 |
| Total drug cost | $675,587 |
| Generic share | 69% of claims |
Education and affiliations
| Medical school | Perelman School of Med at the University of Pennsylvania |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Ophthalmology |
Medical group
- University of Vermont Medical Center IncBurlington, VT · 1,208 clinicians
Hospital affiliation
- Univ. of Vermont - Fletcher Allen Health CareBurlington, VT
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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