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18364 Clark St.

Tarzana, CA 91356

(818) 345-7122

2925 Sycamore Dr. #203

Simi Valley, CA 93065

(805) 527-6586

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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 call our office at any time to request an appointment. 

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Featured Services

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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

    Dermatomyositis

    Dermatomyositis is a rare disease that causes a skin rash and muscle weakness. The skin rash can present reddish to purplish, dusky discoloration and swelling of the eyelids, particularly the upper eyelids (heliotrope rash). A red rash may also appear on the chest, shoulder, neck or back. Affected individuals ...

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    Merkel Cell Carcinoma

    Merkel cell carcinoma is a rare but very aggressive form of skin cancer. It commonly presents as a rapidly growing nodule or bump on a sun-exposed site such as the face, head, or neck. Merkel cell carcinomas can range in color from flesh colored to red, purple, or blue. This type of aggressive skin cancer ...

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    Scleroderma (Systemic Sclerosis)

    Scleroderma is a rare autoimmune condition that causes the hardening and tightening of the skin and connective tissue underneath it. The condition can also impact underlying blood vessels and organs. Affected individuals may exhibit Raynaud’s phenomenon - a condition where the fingers and toes may ...

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    Pityriasis Alba

    Pityriasis alba is often thought of as a low grade form of eczema. It presents with ill-defined, light colored (hypopigmented), slightly scaly patches of skin most commonly found on the face. It affects mainly children and adolescents and is often more noticeable in darker skin tones or tanned skin. ...

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    Sebaceous Hyperplasia

    Sebaceous hyperplasia are benign, non-worrisome, enlarged oil gland growths. They present as pinkish orange or yellow papules, sometimes with a central dell, most commonly found on the central face of middle aged or older people. Sebaceous hyperplasia can also be found on the chest, areola, mouth, or ...

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    Frontal Fibrosing Alopecia

    Frontal fibrosing alopecia is a relatively new hair loss condition that was first described in the 1990s. Though initially thought of as a rare condition, frontal fibrosing alopecia has become increasingly more common with the reported incidence increasing worldwide. The cause remains unknown. Classically, ...

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    Central Centrifugal Cicatricial Alopecia

    Central centrifugal cicatricial alopecia (CCCA) is a scarring alopecia - a condition which leads to destruction of the hair follicle and permanent hair loss. It predominantly affects middle aged Black women. Affected individuals experience a gradually expanding, circular area of hair loss that starts ...

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    Dermatitis Herpetiformis

    Dermatitis herpetiformis is an autoimmune skin disease that causes recurrent, intensely itchy blisters to form on the elbows, knees, back, buttocks, and/or scalp. It is linked to the ingestion of gluten found in wheat. It can also occur with celiac disease and has been associated with thyroid disease. ...

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    Lichen Sclerosus

    Lichen sclerosus is a chronic skin condition that most commonly affects the genital skin. The affected areas become thin, white, crinkled, irritated, and/or intensely itchy. Blisters and sores can also form. Left untreated, the condition can lead to scarring and can increase an individual’s risk for ...

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    Morphea (Localized Scleroderma)

    Morphea, also known as localized scleroderma, is a rare condition that causes scar-like changes to the skin. Morphea commonly presents as oval lesions on the trunk (chest, abdomen, and/or back). It can also present as a linear stripe on the arms, legs, and even the forehead or scalp. In its initial inflammatory ...

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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:

Closed

Sunday:

Closed

Simi Dermatologic Medical Center

Monday:

8:15 am-5:00 pm

Tuesday:

8:15 am-5:00 pm

Wednesday:

10:00 am-5:00 pm

Thursday:

8:15 am-5:00 pm

Friday:

8:15 am-5:00 pm

Saturday:

Closed

Sunday:

Closed