Kenneth H. Katz, MD

Kenneth H. Katz, MD

Board-Certified Dermatologist
Fellowship-Trained Mohs Surgeon
Founder and President

Kenneth H. Katz, M.D, is a Board-Certified Dermatologist and Fellowship-Trained Mohs Surgeon. In 1999, Dr. Katz returned to his hometown of Manitowoc, Wisconsin to take over his father's solo dermatology practice. From these humble beginnings began one of the most dominant dermatology groups in the United States. Operating under Forefront Dermatology, Dr. Katz has helped deliver transformational change for both our organization, and the world of dermatology.

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We truly are at the forefront of dermatology, leading it into the future. Being a patient of Forefront means you will get the most advanced care. Being a part of Forefront means you are committed to our patients, their health, and our team.
- Dr. Kenneth Katz, Founder

Our physician board

Betsy J. Wernli, MD
Betsy J. Wernli, MD
Board-Certified Dermatologist
Deputy President

Dr. Wernli is a Board-Certified Dermatologist who is knowledgeable in medical, surgical, and cosmetic dermatology. Professional areas of interest include early skin cancer detection and treatment, treatment of acne, rosacea, psoriasis, eczema, hyperhidrosis, blistering disorders and cutaneous lymphomas. She also...

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David E. Bertler, MD
David E. Bertler, MD
Board-Certified Dermatologist
Fellowship-Trained Mohs Surgeon

Dr. Bertler is a Board-Certified Dermatologist and a fellowship trained Mohs Micrographic Skin Cancer Surgeon. He has completed an intensive training program in skin cancer surgery and advanced facial reconstruction. His professional areas of interest are skin cancer detection/treatment and...

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Lisa B. Campbell, MD
Lisa B. Campbell, MD
Board-Certified Dermatologist
Fellowship-Trained Mohs Surgeon

Dr. Campbell is a Board-Certified Dermatologist and a fellowship trained Mohs Micrographic Skin Cancer Surgeon. She has completed an intensive training program in skin cancer surgery and advanced facial reconstruction. Her professional areas of interest include skin cancer detection/treatment and...

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David D. Nelsen, MD
David D. Nelsen, MD
Board-Certified Dermatologist

Dr. Nelsen is a Board-Certified Dermatologist who is knowledgeable in the latest treatment protocols for skin diseases and conditions. His professional areas of interest include skin cancer detection and treatment, acne treatments to minimize scarring, and treatments of rosacea, eczema...

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Careers with Forefront Dermatology

An environment that supports teamwork, professional growth, and a positive culture. Join our thriving team of expert physicians and professionals.

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