NPI 1235167537 · live from the CMS NPI Registry
Mark T Duffy, MD
Ophthalmology, Ophthalmic Plastic and Reconstructive Surgery in Green Bay, WI. National Provider Identifier 1235167537, active.
NPI record
| NPI | 1235167537 Type 1 · individual |
|---|---|
| Status | Active |
| Primary specialty | Ophthalmology, Ophthalmic Plastic and Reconstructive Surgery 207WX0200X |
| Practice location | 2253 W Mason St, Green Bay, WI 54303 |
| Practice phone | 920-327-7000 |
| Mailing address | 1035 Kepler Dr, Green Bay, WI 54311 |
| Enumerated | June 28, 2006 |
| Last updated | April 21, 2026 |
| Sole proprietor | No |
Taxonomies and licenses
| Taxonomy | Code | License |
|---|---|---|
| Ophthalmology | 207W00000X | 47208 (WI) |
| Ophthalmology, Ophthalmic Plastic and Reconstructive Surgery primary | 207WX0200X | 47208 (WI) |
Source: CMS NPPES NPI Registry. NPI data is self-reported by providers; license numbers are not verified by CMS.