Welcome to Our Practice

Welcome to Valley Dermatologic Medical Group, Inc., Your Dermatologists in Tarzana, CA and Simi Valley, CA

Welcome! Our dermatology professionals are pleased to welcome you to our practice. We want all our patients to be informed and fully understand any dermatological health issues. We've developed a web site loaded with valuable information about dermatology, skin problems and treatments. 

Our web site also provides you with background about our staff, office hours, insurance policies, appointment procedures, maps, directions to our office and other useful information. We know how hectic life can be and are committed to making our practice convenient and accessible. We want you to feel confident that you're working with doctors who are qualified, experienced and caring. 

Please take a few moments to look through this site to get a better feel for Valley Dermatologic Medical Group, Inc.s' capabilities and services. We also invite you to email or call our office at any time to request an appointment

Thank you.

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Meet Our Staff

  • Daniel A. Gross
    MD

    Dr. Gross is a long time Board Certified Dermatologist. He was awarded the title of Clinical Professor of Medicine/Dermatology at the UCLA School of Medicine.

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  • Charles E. Linden
    MD

    Dr. Linden was born in Los Angeles, California. He graduated from the Medical College of Wisconsin in 1979.

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  • Clayton T. Hinshaw
    MD

    Dr. Hinshaw was born in San Diego, California. Dr. Hinshaw received a bachelor of science in engineering from UCSD in 1990.

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  • Ada M. Winkielman
    MD

    Dr. Ada Winkielman joined Valley Dermatology in 2005. She is experienced in all aspects of dermatology and performs various cosmetic procedures too.

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Testimonials

  • "Coming Soon.."

Featured Articles

Read about helpful topics

  • Warts

    OVERVIEW Warts are non-cancerous benign growths on the skin that are caused by infection from viruses known as human papillomavirus (HPV). While there are several types of warts that you can develop, the most commonly occurring types of warts include: Common WartsThis type of wart typically appears ...

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  • Herpes Simplex Virus

    OVERVIEW Herpes Simplex Virus (HSV) is a virus known to cause a very common infection called herpes. Oftentimes, the infection can be asymptomatic and go undetected. However, it can also manifest in some people with painful blisters and sores on the skin- commonly around the mouth or in the genital ...

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  • Tanning Beds/Tanning Booths

    OVERVIEW Many people use tanning beds as a way to achieve a year-round tan. People erroneously believe that tanning beds are safer than sun tanning; that tanning beds can help build a base tan to ward off sunburns; and that the tanning beds can treat low vitamin D levels. The truth about tanning beds ...

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  • Sun Safety

    OVERVIEW The sun has always been a source of warmth, happiness, and a golden tan. However, it's essential to understand the dangers of the sun and the price your skin pays for unprotected exposure. While there are still plenty of ways to have fun in the sun, it's important to protect yourself from potential ...

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  • Seborrheic Keratosis

    OVERVIEW: Seborrheic keratoses are very common skin growths. They are benign and not worrisome. Seborrheic keratoses tend to develop as you age, with people over 40 more likely to develop these growths. They can occur anywhere on the body except the palms and the soles. They are most typically found ...

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  • Actinic Keratosis

    OVERVIEW Also known as solar keratoses, actinic keratoses are precancerous growths on the skin that are caused by long-term UV radiation in the form of chronic sun exposure or tanning bed use. Left untreated, actinic keratoses can progress and evolve into a skin cancer called squamous cell carcinoma. What ...

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  • Age Spots

    OVERVIEW It is no surprise that aging is accompanied by many changes in our skin. As we age, our skin becomes thinner, looser, more frail, and more prone to the development of new skin growths. One of the common growths that accompany aging is the development of age spots. What are Age Spots? Age spots ...

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  • Skin Care Basics

    The skin is the body's largest organ and accounts for roughly 18% of an adult's weight. It serves as a protective outer layer that keeps in moisture and keeps out invasive organisms (like infections). It protects our organs against injury. It also helps regulate the body's temperature and has self-healing ...

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  • Younger Looking Hands

    Tips for Younger Looking Hands It comes as no surprise that aging is accompanied by many changes in our skin. As we age, our skin becomes thinner, looser, and more frail. Even minor trauma can lead to bruising, scratches, or cuts which can take longer to heal. Accumulated sun damage can result in wrinkles, ...

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  • Rashes

    "Rash" is a general term for a wide variety of skin conditions. A rash refers to a change that affects the skin and usually appears as a red patch or small bumps or blisters on the skin. The majority of rashes are harmless and can be treated effectively with over-the-counter anti-itch creams, antihistamines, ...

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Contact Us

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Hours of Operation

Our Regular Schedule

Valley Dermatologic Medical Group, Inc.

Monday:

8:00 am-5:00 pm

Tuesday:

8:00 am-5:00 pm

Wednesday:

8:00 am-5:00 pm

Thursday:

8:00 am-5:00 pm

Friday:

8:00 am-5:00 pm

Saturday:

By Appointment

Sunday:

Closed

Simi Dermatologic Medical Center

Monday:

8:00 am-5:00 pm

Tuesday:

8:00 am-5:00 pm

Wednesday:

8:00 am-5:00 pm

Thursday:

8:00 am-5:00 pm

Friday:

8:00 am-5:00 pm

Saturday:

By Appointment

Sunday:

Closed