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
Can I switch the biologic medications I’m using to treat my psoriasis?
Yes, you can switch biologic medications for psoriasis if one is not working effectively. Biologic medications are a class of drugs that target specific parts of the immune system that are involved in...
Yes, you can switch biologic medications for psoriasis if one is not working effectively. Biologic medications are a class of drugs that target specific parts of the immune system that are involved in...
How can a dermatologist make me appear more youthful?
A dermatologist can make you appear more youthful by using a variety of treatments, such as:Topical creams and serums that contain ingredients like retinoids and hyaluronic acid to improve skin textur...
A dermatologist can make you appear more youthful by using a variety of treatments, such as:Topical creams and serums that contain ingredients like retinoids and hyaluronic acid to improve skin textur...
How can Botox® improve my appearance?
Botox® (botulinum toxin type A) is a medication that is primarily used to temporarily paralyze specific muscles in the face and body.It is most often used to improve the appearance of wrinkles and...
Botox® (botulinum toxin type A) is a medication that is primarily used to temporarily paralyze specific muscles in the face and body.It is most often used to improve the appearance of wrinkles and...
What are the best sunscreens?
The best sunscreens are those that provide broad-spectrum protection, which means they protect against both ultraviolet A (UVA) and ultraviolet B (UVB) rays. They should also have an SPF (sun protecti...
The best sunscreens are those that provide broad-spectrum protection, which means they protect against both ultraviolet A (UVA) and ultraviolet B (UVB) rays. They should also have an SPF (sun protecti...
What medications are used to treat acne?
There are several medications that can be used to treat acne, including:Topical retinoids (e.g. tretinoin, adapalene)Topical antibiotics (e.g. clindamycin, erythromycin)Topical benzoyl peroxideOral an...
There are several medications that can be used to treat acne, including:Topical retinoids (e.g. tretinoin, adapalene)Topical antibiotics (e.g. clindamycin, erythromycin)Topical benzoyl peroxideOral an...
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.