IndividualActive
Mark Duffy, MD
NPI 1235167537 · Ophthalmic Plastic and Reconstructive Surgery Physician · Green Bay, WI
Provider details
- NPI number
- 1235167537
- Entity type
- Individual
- Primary specialty
- Ophthalmic Plastic and Reconstructive Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 47208 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Practice location
2253 W Mason St
Green Bay, WI 54303-4706
Phone: (920) 327-7000
Fax: (920) 327-7005
Approximate (ZIP-level) locationGet directions
Mailing address
1035 Kepler Dr
Green Bay, WI 54311-8320
Registry dates
- Enumerated
- 2006-06-28
- Last updated
- 2026-04-21
- Certified
- 2026-04-21
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.