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4733 W Sunset BlvdLos Angeles, CA 90027
Phone+1 323-783-4011
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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
- Urogenital presentation of a male patient with focal dermal hypoplasia.Khoa Nguyen, Valentina Sosa
Pediatric Dermatology. 2023-02-15 - A common factor suppresses thickening in young women with malar area port wine stains and delays low density lipoprotein elevation: is it estrogen?M.H. Klapman, V.B. Sosa, Janis F. Yao
Medical Hypotheses. 2014-06-01 - 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
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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