Our Providers
The descriptions below are meant to familiarize you with our providers’ training, professional credentials, and work experience before your visit.

SG
Sajiv Gugneja, MD, PhD, FAAD
Dermatologist
Board-Certified, Fellow of the American Academy of Dermatology
- Medical degree from McGaw Medical Center of Northwestern University
- More than 20 years in dermatology practice
- Particular expertise in psoriasis and general dermatology
- Consistently recognized by patients for thorough exams, attentive listening, and a caring bedside manner
Read more: Psoriasis

Colleen Janness, PA-C
Physician Assistant
Dermatology
- Practicing dermatology since 2008: 18+ years of clinical experience
- Focus on skin inflammation, eczema, and fungal & bacterial infections
- Also treats acne and a broad range of medical dermatology concerns
- Affiliated with Trinity Health Ann Arbor Hospital
Read more: Eczema · Ringworm & fungal infections · Acne
CJ