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
- Bachelor of Science in Exercise Science and Biology from Central Michigan University; Master of Physician Assistant Studies from Wayne State University
- Certified by the National Commission on Certification of Physician Assistants and licensed to practice through the State of Michigan
- Manages a wide range of skin conditions for patients of all ages, including detecting and treating skin cancer, routine skin checks, and medical dermatology care for acne, psoriasis, and eczema
- Committed to educating patients on proper sun protection and preventative skin care
- Outside the office, Colleen enjoys time with her family: watching her son's golf matches and her daughter's ice skating, jogging with her dog, and trying new restaurants with her husband
Read more: Eczema · Ringworm & fungal infections · Acne
