
Dr. Christopher Crosby, MD
Physician
Dermatology
Specialty
Cosmetic Dermatology,
Mohs Surgery
Medical Expertise of Dr. Christopher Crosby, MD
Dr. Crosby specializes in the diagnosis and treatment of skin cancer with Mohs surgery and reconstructive dermatologic surgery.
He has additional experise in cosmetic and laser Dermatology, painless mole removal and Photodynamic therapy (PDT)
He has additional experise in cosmetic and laser Dermatology, painless mole removal and Photodynamic therapy (PDT)
About Dr. Christopher Crosby, MD
Christopher Crosby, MD is a board-certified San Diego area dermatologist providing care to patients at Grossmont Dermatology.
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...
Does the food I eat affect my acne?
There is some evidence to suggest that diet can play a role in the development of acne. Studies have found that a diet high in sugar and processed foods can increase the risk of developing acne. Diets...
There is some evidence to suggest that diet can play a role in the development of acne. Studies have found that a diet high in sugar and processed foods can increase the risk of developing acne. Diets...
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 can reduce the appearance of my acne scars?
Acne scars can be treated with a variety of methods, including:Topical treatments: Topical creams and gels containing ingredients such as retinoids, hydroquinone, and vitamin C can help to reduce the ...
Acne scars can be treated with a variety of methods, including:Topical treatments: Topical creams and gels containing ingredients such as retinoids, hydroquinone, and vitamin C can help to reduce the ...
What is microneedling?
Microneedling is a cosmetic procedure that involves using a device with fine needles to create tiny punctures in the skin. The needles are typically between 0.5mm and 2.5mm in length, and are used to ...
Microneedling is a cosmetic procedure that involves using a device with fine needles to create tiny punctures in the skin. The needles are typically between 0.5mm and 2.5mm in length, and are used to ...
Education & Training
After graduating from Duke University, Dr. Crosby went on to his MD/PhD from the Medical University of South Carolina in Charleston. He then completed his internship at Harbor-UCLA Medical Center followed by his residency in Dermatology at Emory University.
Following his residency, Dr. Crosby sought further advanced training by completing a Fellowship in Mohs Micrographic Surgery and Procedural Dermatology at the University of California, San Francisco (UCSF).
Following his residency, Dr. Crosby sought further advanced training by completing a Fellowship in Mohs Micrographic Surgery and Procedural Dermatology at the University of California, San Francisco (UCSF).
Grossmont Dermatology Medical Clinic

Healthy skin is a major part of your overall health and well-being. Not only do you want to keep your skin healthy, and obtain the best possible treatment for dermatologic conditions, but you also want to like what you see when you look in the mirror. Our highly trained and experienced team can help you manage all of your dermatology concerns. Our dermatology practice has exceeded expectations for patients in La Mesa and San Diego for over 40 years.