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
Conditions Treated
Acne
Aging Skin & Wrinkles
Allergic Contact Dermatitis
Atopic Dermatitis
Hair Loss (Balding)
Psoriasis
Rosacea
Seborrheic Keratosis
Skin Cancer
Warts
Patient Education Resources
Does it cost more to get a tattoo or to have it removed?
The cost of getting a tattoo and the cost of having it removed can vary depending on several factors such as the size, location, and complexity of the tattoo, as well as the experience and reputation ...
The cost of getting a tattoo and the cost of having it removed can vary depending on several factors such as the size, location, and complexity of the tattoo, as well as the experience and reputation ...
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 atopic dermatitis?
Atopic dermatitis, also known as eczema, is a chronic, inflammatory skin condition that causes dry, itchy, and scaly skin. The condition is characterized by symptoms such as:Dry, itchy skin: The skin ...
Atopic dermatitis, also known as eczema, is a chronic, inflammatory skin condition that causes dry, itchy, and scaly skin. The condition is characterized by symptoms such as:Dry, itchy skin: The skin ...
What is the treatment for psoriasis on the scalp?
Treatment for psoriasis on the scalp typically involves a combination of topical and systemic therapies.Topical treatments include:Shampoos containing salicylic acid, coal tar, or sulfur, which can he...
Treatment for psoriasis on the scalp typically involves a combination of topical and systemic therapies.Topical treatments include:Shampoos containing salicylic acid, coal tar, or sulfur, which can he...
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.