About Dr. Glenn Koby, MD
Dr. Glenn Koby, M.D., is a board-certified California dermatologist providing care to patients in the Petaluma area at North Bay Dermatology Associates.
Professional Affiliations
• Petaluma Valley Hospital
Professional Affiliations
• Petaluma Valley Hospital
Patient Education Resources
How do I find out if I have skin cancer?
The best way to find out if you have skin cancer is to have a skin examination performed by a healthcare professional such as a dermatologist. They will visually inspect your skin for any suspicious m...
The best way to find out if you have skin cancer is to have a skin examination performed by a healthcare professional such as a dermatologist. They will visually inspect your skin for any suspicious m...
How long does it take for a tattoo to disappear after laser tattoo removed?
The length of time it takes to remove a tattoo depends on several factors, including the size, location, and color of the tattoo, as well as the individual's skin type and overall health.The most ...
The length of time it takes to remove a tattoo depends on several factors, including the size, location, and color of the tattoo, as well as the individual's skin type and overall health.The most ...
If I have psoriasis, am I likely to get arthritis?
Psoriasis is a chronic skin condition that causes red, scaly patches on the skin. It affects about 2-3% of the population. People with psoriasis are at an increased risk of developing a form of arthri...
Psoriasis is a chronic skin condition that causes red, scaly patches on the skin. It affects about 2-3% of the population. People with psoriasis are at an increased risk of developing a form of arthri...
What are the possible treatments for my actinic keratoses?
Actinic keratoses (AKs) are precancerous skin lesions that can develop into squamous cell carcinoma, a type of skin cancer. Treatment options for AKs include:Cryotherapy: This procedure involves freez...
Actinic keratoses (AKs) are precancerous skin lesions that can develop into squamous cell carcinoma, a type of skin cancer. Treatment options for AKs include:Cryotherapy: This procedure involves freez...
What is the treatment for rosacea affecting my eyes?
Ocular rosacea is a subtype of rosacea that affects the eyes, and it can cause symptoms such as redness, itching, burning, and a gritty sensation in the eyes. Treatment for ocular rosacea typically in...
Ocular rosacea is a subtype of rosacea that affects the eyes, and it can cause symptoms such as redness, itching, burning, and a gritty sensation in the eyes. Treatment for ocular rosacea typically in...
Education & Training
Dr. Koby graduated from the University of Indiana medical school in 1968. He did his residency at William N Wishard Memorial Hospital in Indiana. He also did his residency at the Letterman Army Medical Center in San Francisco before eventually ending up at North Bay Dermatology and Associates.