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Office
4733 W Sunset Blvd
Los Angeles, CA 90027Phone+1 323-783-4011
Education & Training
- Los Angeles County-Harbor-UCLA Medical CenterResidency, Dermatology, 1992 - 1995
- UCLA David Geffen School of Medicine/UCLA Medical CenterResidency, Pediatrics, 1987 - 1991
- David Geffen School of Medicine at UCLAClass of 1987
Certifications & Licensure
- CA State Medical License 1988 - 2026
- American Board of Dermatology Dermatology
- American Board of Dermatology Pediatric Dermatology
Awards, Honors, & Recognition
- Southern California Kaiser Permanente Dermatology Program Faculty, Inaugural Program Director
- Fellow, American Academy of Dermatology (FAAD)
- International Society of the Study of Vascular Anomalies(ISSVA), Associate Member
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Publications & Presentations
PubMed
- 1 citationsPatient perceptions of 595 nm pulsed dye laser through glass compression in the treatment of thick port wine stains and superficial venous malformations.Marvin H. Klapman, Valentina B. Sosa, Gail F. Mattson-Gates, Cynthia N. Baker, Victor L. Ong
Dermatology Online Journal. 2008-08-15 - 1 citationsSmaller Platelet Volumes Associated With Vascular MalformationsMarvin H. Klapman, Valentina B. Sosa, Gail F. Mattson-Gates, Cynthia N. Baker, Roman M. Sydorak
Clinical and Applied Thrombosis/hemostasis. 2013-06-01 - Urogenital presentation of a male patient with focal dermal hypoplasia.Khoa Nguyen, Valentina Sosa
Pediatric Dermatology. 2023-02-15
Professional Memberships
- Fellow
- Society of Pediatric Dermatology (SPD)Member
- Pediatric Dermatology Research Alliance ( PeDRA)Member
- Pacific Dermatology Association (PDA)Member
- ISSVAMember
- American Medical Association (AMA)Member
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