Welcome to the Dermatology Center of Rockland


Due to COVID-19 and trying to ensure the safety of our patients and staff, we are offering Telehealth appointments. Please call our office for more information at 845-359-4770.

To all our pateints and their family stay well.

We are a comprehensive dermatology center that has served the Hudson Valley and the NY, NJ, and CT tristate area for over 50 years with the highest standard of care.

Our board certified dermatologist, who are Clinical Professors of Dermatology at Columbia University School of Medicine College of Physicians and Surgeons, and staff have expertise in medical dermatology, Mohs surgery, dermatologic surgery, and cosmetic procedures (laser surgery, fillers, Botox, etc.). Our center specializes in pediatric, adolescent, adult and geriatric dermatology.

This website provides you with a comprehensive overview of our practice. As you navigate the site, you'll find information about the Dermatology Center of Rockland's practice philosophy, physicians, our location, insurance policies, hours of operation, appointment scheduling, procedures, etc. Please browse our website and contact us at 845-359-4770 with any questions:. Read More

Meet Your Doctors

  • Robert J. Cohen, M.D., F.A.A.D.


    Robert J. Cohen, M.D., F.A.A.D.

    Ingrid H. Olhoffer, M.D., F.A.A.D.


    Ingrid H. Olhoffer, M.D., F.A.A.D.

    Joshua P. Fogelman, M.D., F.A.A.D.


    Joshua P. Fogelman, M.D., F.A.A.D.


    Amy E. Goldstein, D.O., F.A.O.C.D.

    Amy E. Goldstein, D.O., F.A.O.C.D.

    Marcel Perl, M.D., F.A.A.D.


    Marcel Perl, M.D., F.A.A.D.


    Please join us in wishing Dr Knobler a happy retirement.

Featured Articles

Read about helpful topics

  • Unwanted Tattoos

    OVERVIEW Regret getting your last ink? You're not alone—according to WebMD, approximately 25% of people with tattoos experience regret after getting one. If you're looking for a way to remove your unwanted tattoo, talking to a board-certified dermatologist can help. Laser tattoo removal to remove tattoos ...

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  • Uneven Skin Tone

    OVERVIEW Uneven skin tone happens when areas of your skin are lighter or darker than other parts. It affects your skin's overall pigmentation due to a pigment known as melanin. Disruption or damage to melanin-producing cells leads to changes in skin tone. Areas of patches that are darker have too much ...

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  • Types of Veins and Treatment Options

    OVERVIEW Appearing on your legs, both varicose veins and spider veins can not only affect your outward appearance, but their presence can also signify health problems in your body. A board-certified dermatologist can help—minimally invasive treatments are available to reduce or eliminate varicose and ...

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  • Types of Chemical Peels & Which One is Right For You

    OVERVIEW Also known as chemoexfoliation, chemical peels are popular cosmetic procedures that exfoliate and rejuvenate your skin. Depending on your aesthetic needs, chemical peels come in three main types: light, medium, or deep, with deeper chemical peels making use of stronger chemical agents to treat ...

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  • Treatment for Eye Bags

    OVERVIEW A common cosmetic concern on your face, eye bags may refer to a change in pigmentation (dark circles), loose skin, or swelling under your eyes. Puffy under eye bags can occur if you have sinus congestion, an allergic reaction, or due to a high-salt diet. While not a concern for your physical ...

    Read More
  • Top Skincare Products to Incorporate into your winter routine

    OVERVIEW Winter weather brings more than snow and cold spells—it can also wreak havoc on your skin, causing it to dry out, get flaky, and lose its summertime glow. These tips and skincare products recommended by a board-certified dermatologist can help you keep your skin looking young, supple, and ...

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  • 7 Ways to Remove Unwanted Hair

    OVERVIEW Unwanted hair is a common occurrence that can happen on the face, including the chin and upper lip, as well as the back, legs, feet, and even the tops of the toes. According to WebMD, approximately 30% of women's bodies are covered in terminal hair, i.e., the hair that exists on your head, eyebrows, ...

    Read More
  • Basal Cell Carcinoma

    OVERVIEW: Basal cell carcinoma is the most common type of skin cancer that dermatologists detect and diagnose in the United States each year. In fact, basal cell carcinoma is the most frequently occurring form of all cancers. Knowing the signs and symptoms of basal cell carcinoma can help with early ...

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  • Alopecia Areata

    OVERVIEW Alopecia areata can develop suddenly over a few days or weeks. It can lead to unexplained hair loss, often in patches the sizes of coins. Today, around 6.8 million people suffer from alopecia areata in the United States. In addition, around half of them are males and white. So, what exactly ...

    Read More
  • Advances in Hair Loss Treatments

    OVERVIEW Hair loss can be very frustrating. When you are coping with this condition, you might feel like you will need to invest in wigs or hide your hair under a hat all day long. But what if you could actually prevent hair loss or halt it in your tracks? This is the dream of many people who are dealing ...

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Contact Us

Our Location

Find us on the map

Office Hours

Map and Location

Monday:

8:00 am-7:00 pm

Tuesday:

8:00 am-5:00 pm

Wednesday:

8:00 am-5:00 pm

Thursday:

8:00 am-7:00 pm

Friday:

8:00 am-4:00 pm

Saturday:

Closed

Sunday:

Closed