Our Barrett & Geiss Dermatology Provider Team

Our skin care experts focus on providing the highest quality of care possible and an optimal patient experience. At Barrett & Geiss Dermatology, our providers specialize in diagnosing, managing, and treating skin, hair, and nail conditions for patients of all ages.

Meet Our Dermatologists

Angela S. Casey, MD
Angela S. Casey, MD
Accepting New Patients
1566 Monmouth Street Suite 201 Lancaster, OH 43130
Brian Biernat, MD
Brian Biernat, MD
1566 Monmouth Street Suite 201 Lancaster, OH 43130
Michael C. Duffey, MD
Michael C. Duffey, MD
1566 Monmouth St #101 Lancaster, OH 43130

Meet Our Physician Assistants

Amanda Smith, PA-C
Amanda Smith, PA-C
Accepting New Patients
1566 Monmouth St #101 Lancaster, OH 43130
Jamie Weaver, PA-C
Jamie Weaver, PA-C
Accepting New Patients
1566 Monmouth St #101 Lancaster, OH 43130
Michael Snedeker, PA-C
Michael Snedeker, PA-C
Accepting New Patients
1566 Monmouth St #101 Lancaster, OH 43130

Meet Our Founding Dermatologists (Retired)

David F. Geiss, DO, FAOCD
David F. Geiss, DO, FAOCD
,
James L. Barrett, MD, FAAO
James L. Barrett, MD, FAAO
,