Refresh, Revitalize, and Rejuvenate
301.570.0030 (MD)
202.965.7546 (DC)

Why Us?

Jessica Lee, NP, RN, BSN


Certified Nurse Practitioner and Laser Specialist
Jessica received her Master of Science degree in a collaborative Nurse Practitioner program with George Mason University and George Washington University.  She has been actively involved in cosmetic dermatology since 2001 in both the Washington, DC, and the San Francisco Bay areas.
While with the DC-based Center for Laser Surgery, Jessica received intense cosmetic laser training with the late Robert M. Adrian, MD, a renowned leader in this field.  Jessica also served as a sub-investigator for the clinical trials for Dysport (then Reloxin) while it sought FDA approval.  Considered an expert in cosmetic dermatology by her peers, Jessica has frequently provided training on dermal fillers, Botox, Sclerotherapy, and Fraxel to medical doctors and nurses across the country.
Although Jessica keeps busy splitting her time between Cosmetic Skin Institute’s offices in Olney, MD, and Washington, DC, she makes it a priority to enjoy time with her two daughters.  Jessica and her husband are also avid tennis players and are always up for a good mixed doubles tennis match!


Johanna Fangmeyer Botox Olney

Johanna Fangmeyer, NP, RN, BSN  

(Now seeing patients in the Olney location)
Certified Nurse Practitioner and Laser Specialist
Johanna has been practicing cosmetic dermatology since 2001 and has treated hundreds of patients. She graduated from the University of Maryland with a BS in Nursing in 1999. She worked as a surgical nurse at Holy Cross Hospital in Silver Spring, Maryland for five years, after which she returned to the University of Maryland to pursue a Masters Degree in Science as an Adult Nurse Practitioner, graduating in December 2001. In addition, she obtained her post master’s certificate as a Family Nurse Practitioner in May 2010.
She specializes in providing cosmetic treatments, such as Fractional Laser Resurfacing and is a certified expert in Botox® and Restylane® administration, as well as Sclerotherapy for treatment of unwanted leg veins. Through her years in practice, she has performed hundreds of aesthetic laser procedures and has also participated in clinical trials of investigational procedures. She has also trained many nurses and physicians in many different cosmetic dermatology procedures such as Botox, Dysport, dermal fillers and several different lasers.
In addition, she is a member of the Association of Medical Esthetic Nurses, the American Society for Laser Medicine and Surgery and the Dermatology Nurse Practitioner Society. Johanna enjoys helping her patients feel good about achieving their desired aesthetic goals. She prides herself in the expertise she has mastered with cosmetic dermatology and enjoys offering non surgical rejuvenation to all of her patients.

Judy Silvero Laser Surgery

Judith Silvero, BSN, RN

Certified Registered Nurse & Laser Specialist
A graduate of the University of Maryland School of Nursing in 1996, Judy is a registered nurse that has been actively involved in cosmetic procedures (including laser therapy, dermal fillers, and Botox administration) since 1999. During her 11 years with the Center for Laser Surgery in Washington, DC, Judy received specialized training in various cosmetic procedures with the late, world-renowned cosmetic dermatologist Robert M. Adrian, MD.
Prior to her arrival to the Washington, DC, area, Judy has benefited from a wide range of life experiences, having lived in Italy, Germany, and most recently, Florida. Judy has the unique ability to connect with people from all walks of life, and takes particular attention to her clients’ needs, working collaboratively to make them look and feel their best.
After hours she enjoys spending time with her husband, horseback riding, and scuba diving. A sports enthusiast, Judy also plays volleyball and tennis on a regular basis.


Susanne Siemonsen, L.E.

(Now seeing patients in the Washington, DC location)
As an NCEA board certified Master Aesthetician in Maryland and Washington, DC since 2006, Susanne Siemonsen has worked exclusively in dermatology and plastic surgery offices.
She has advanced training in the use of medical skin care and is a member of the NCEA and ASCP. Susanne takes a holistic approach to skin care taking into consideration all the systems in the body that support healthy skin.

Certifications: NCEA Certified Aesthetician, MD Licensed, DC Licensed


Angela McLean, L.E.

(Now seeing patients in the Olney, MD location)
Angela McLean is a Licensed Esthetician (L.E.) and a Certified Laser Technician (CLT) in the Medical Esthetics field; with an entrepreneurial spirit.
Angela holds a B.S. in Chemistry and has studied Ayurvedic Holistic Medicine in India; and advanced Dermatological skin disorders at the Rayner institute.
Angela has been a teacher in her field at the renowned Yvonne De Villar Scientific Skin Care institute during her career.
She has worked alongside a Board-Certified Plastic and Reconstructive Surgeon in South Florida and Laser Clinics.
She is currently on her path to becoming a Cidesco Diplomat, which is the highest level of international achievement for an Aesthetician.
You will find Angela to be energetic, personable and a skilled professional with a wealth of experience in her field.
Her continued education in medical aesthetics and holistic approach through the Science of Ayurveda gives her a unique range of choices when treating her patients.
Angela is available by appointment for free consultations at the Olney Location.
Certifications: Licensed Esthetician and Certified Laser Technician (CLT)


Cosmetic Skin Institute

4400 MacArthur Blvd NW Suite 102A

Phone: 202-965-7546
URL of Map


Cosmetic Skin Institute

18111 Prince Philip Drive Suite 120

Phone: 301-570-0030
URL of Map


More Of Our Services

Botox Washington DC
Dysport Washington DC
IPL Photofacial Washington DC
Kybella Washington DC
Juvederm Washington DC
Laser Hair Removal Washington DC
Tattoo Removal Washington DC
Restylane Washington DC
Restylane Silk Washington DC
Restylane Lyft Washington DC
Skin Care Washington DC
Microdermabrasion Washington DC
Collagen P.I.N. Microneedling
Fraxel Laser Washington DC
Georgetown, Palisades, Washington DC, Tenleytown, Maryland, Olney, Gaithersburg, Rockville, Potomac, McLean, Virginia, Chevy Chase

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  • Recent Blogs

  • testimonials

    I love coming to CSI. The staff is amazing and they make me feel so relaxed... Read more

    My entire family have been patients of Gloria Perez, their Medical Esthetician, for years... Read more

    The office is clean, bright and you feel very comfortable whether you are there for a facial, botox, fillers, laser treatments, or a make-up lesson. Susanne and Jessica are my “go to ” people... Read more

    I have been going to the Cosmetic Skin Institute for a couple of years. I could not be happier... Read more


    Introducing HydraFacial

    HydraFacial uses patented technology to cleanse, extract, and hydrate. HydraFacial super serums are made with nourishing ingredients.....

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    Collagen P.I.N. Microneedling

    The Collagen P.I.N. microneedling treatment triggers new collagen synthesis, yet does not pose the risk of permanent scarring. The result is smoother, firmer and younger-looking skin......

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    our locations

    Cosmetic Skin Institute

    CSI Olney
    18111 Prince Philip Drive Suite 120
    Olney, MD 20832
    Phone: (301)570-0030

    CSI DC
    4400 MacArthur Blvd NW Suite 102A
    Washington, DC 20007
    Phone: (202)965-7546

    Jessica Lee

    Judy Silvero
    Copyright 2017 Cosmetic Skin Institute