Mark C. Valentine, M.D.
3327 Colby Avenue, Everett, WA 98201
September 26, 1948
Married with one son


  •   West Virginia University, B.A. 1970
  •   Johns Hopkins University School of Medicine, M.D. 1974
  •   Internship-- University Hospitals of Cleveland, Cleveland, Ohio 1974-75
  •   Internal Medicine Residency, University Hospitals of Cleveland, 1975-76
  •   Dermatology Residency, University Hospitals of Cleveland, 1976-79

Licensed to practice medicine in Washington State, 1979


  •   Certified, American Board of Dermatology, 1979
  •   Fellow, American Academy of Dermatology
  •   Member, Snohomish County Medical Association
  •   Member, Washington State Medical Association
  •   Member, American Medical Association
  •   Member, Seattle Dermatology Society
  •   Member, Washington State Dermatology Association
  •   Member, History of Dermatology Society
  •   Member, American Contact Dermatitis Society
  •   Member, North American Clinical Dermatological Society
  •   Director, North Puget Sound Dermatology Journal Club


  •   Active staff, Providence Regional Medical Center, Everett, Washington
  •   Consulting Staff, University of Washington Hospital

  Clinical Professor of Medicine, Division of Dermatology,  University of Washington


  •  Secretary, Seattle Dermatological Society, 1983-84
  •  Treasurer, Seattle Dermatological Society, 1984-85
  •  President, Seattle Dermatological Society, 1985-86
  •  Advisory Council Representative, American Academy of Dermatology, 1983-86
  •  Secretary-Treasurer, Combined Medical Staff of Everett, 1986-87
  •  President, Washington State Dermatologic Association 1996-1997
  •  Appointee, Amer. Acad. of Dermatology History Committee 1998-2002 
  • Member, Editorial Board, Journal of the Amer. Acad. of Dermatology, 1998-2005
  • Trustee, Snohomish County Medical Society Board, 2002-2009
  • President-elect 2005, President 2006, Snohomish County Medical Society,
  • Chair, Zakon Prize award committee, History of Dermatology Soc. 2002-present


  •   National Merit Scholar, 1966
  •   Phi Beta Kappa, 1969.  
  •   West Va. Univ. “Mountain” Honorary, 1969
  •   Listed in The Best Doctors in America: Pacific Region, 1996-2016
  •   Listed in Who’s Who in Medicine and Healthcare, 1997-2005
  •   Listed in Who’s Who in America, 1998-2007
  •   Runner-up, Zakon prize of the History of Dermatology Society, 2001
  •   Listed in Seattle Magazine’s Top Doctors Issue, July 2010
  •   Listed in WA Magazine’s Best Doctors List, 2012
  •   Selected as Best Dermatologist in the Daily Herald Reader's Choice Awards, 2014, 2015, and 2016
  •   Selected to receive the Raili Hanson Inspirational Award by Bethany of the Northwest, 2015


Numerous presentations (1980-2000) addressed to physicians, nurses, and nurse practitioners locally. Topics of these presentations included contact dermatitis, skin manifestations of lupus erythematosus, dermatitis in children, papulosquamous disorders, diagnosis and treatment of common skin diseases, warts, bullous skin disorders, recognizing skin cancer, geriatric dermatology, effects of ultraviolet light on the skin, etc.

  • A Bibliophile’s History of Dermatology,  (60 to 90-minute presentation):
  •     American Academy of  Dermatology annual meeting, 1997 (San Francisco), 1998 (Orlando), 1999 (New Orleans), 2000(San     Francisco), and 2005 (New Orleans)
  •     Pacific Northwest Derm. Society meeting, July 1996
  •     Oregon Dermatologic Society meeting, September 1998.
  •     Presented to Univ. of Washington dermatology residents 1995,1999,  2005, and 2016
  • The Origins of Medical Societies,(12 minutes)  presented at the History of Dermatology Society annual meeting, 2002, New Orleans.
  • Textbooks as Resources in the History of Dermatology,(12 minutes) presentation at the World Congress of Dermatology, Paris, France, July 2002.
  • Geriatric Dermatology,(45 minutes)  presented at Dermatology Update Conference, West Coast Grand Hotel, Seattle, June 14, 2002, repeated September 17, 2004, Bellevue Hyatt Hotel and October 7, 2006 Fairmont Hotel
  • History of Dermatology, (45 minutes) Dermatology Nurses Association Annual Meeting, San Francisco, March 2003
  • James Clarke White, MD, (10 minutes) History of Dermatology Society Annual Meeting, San Francisco,March 2003
  • Bioterrorism and the Skin (45 minutes)  Snohomish County Family Physicians monthly meeting, Arlington, WA, April 24, 2003
  • Jay Frank Schamberg, MD (10 minutes) History of Dermatology Society Annual meeting, Washington, DC, February 2004
  • History of Scurvy (10 minutes)  History of Dermatology Society annual meeting, San Francisco, CA March 2006
  • Ehrlich’s 606 (10 minutes) History of Dermatology Society annual meeting, San Antonio, TX  February 2008
  • The Emergence of Dermatology as a Specialty (30 minutes) North American Clinical Dermatological Society Meeting, Dublin, Ireland, June 14, 2008.
  • Leprosy in Medieval Europe (10 Minutes) History of Dermatology Society annual meeting, San Francisco, CA March 2009
  • Hand Eczema; Diagnosis and Management (30 minutes) Providence Education Foundation Dermatology Update course, Hotel 1000, Seattle, June 2009
  • Ambroise Pare: His life and experience with skin disease (10 minutes) History of Dermatology Society annual meeting, New Orleans, February 2011
  • Morris Henry Henry; Editor of America’s first dermatology journal (10 minutes) History of Dermatology Society annual meeting, San Diego, CA, March 2012
  • Some Aspects of Malassezia-related Dermatoses (30 miin). North American Clinical Dermatology Society annual meeting. Barcelona, Spain. April 23, 2013.
  • Conserving the Written Heritage of Dermatology (45 min) North American Clinical Dermatology Society annual meeting. San Sebastian, Spain. April 28, 2013; repeated January 31,2014, Panama City, Panama.
  • Carbon Dioxide Snow in Dermatologic Therapy, 10 minutes, History of Dermatology Society annual meeting, Denver, CO, March 2014.
  • Plica Polonica: neglect, cultural practice, magical curse, or disease? (10 min). History of Dermatology Society annual meeting, San Francisco, CA, March 2015
  • A Crazy Little Thing Called Porokeratosis (30 min)  North American Clinical Dermatology Society annual meeting, Thessaloniki, Greece, May 21, 2016.


  • Mutants of Escherichia coli with altered deoxyribonucleases. II  Isolation and characterization of mutants for exonuclease 1. Yajko DM, Valentine MC, Weiss B.    J Mol Biol Vol. 85, Issue 2, Pages 323-43  (1974)
  • Bacteria in Epidermal Cysts.  Arch Dermatol, vol. 126, p1103 (1990)
  • The Beginnings of Dermatology: A Brief Review.  Dermatology Nursing vol. 11, p25-33 (1999)
  • George Cheyne Shattuck’s Dissertation on the Skin.  J.Amer.Acad.Derm vol. 46, p566-570 (2002)
  • Hereditary Woolly Hair and Keratosis Pilaris.  Chien AJ, Valentine MC, Sybert VP   J. Amer. Acad. Derm vol 54 (2 suppl):S35-39.  (2006)
  • Earl Weldon Netherton, pp 733-737 in  “Pantheon der Dermatologie”,  Löser & Plewig, eds., Springer Medizin Verlag, (2008)
  • The Follicular Variant of Seborrheic Dermatitis: Is It Identical to Malassezia Folliculitis?  SKINMed, vol.9 (3), p161-6, (2011)
  • Neutrophilic Dermatosis Due to Azathioprine.  SKINMed. Vol 9(6), p386-8 (2011) 



  •   Book Collecting
  •   Hand bookbinding and book restoration  
  •   Electric and bass guitar and piano
  •   Member and past board member, Seattle Book Arts Guild
  •   Member, Guild of Bookworkers
  •   Member, Everett Symphony Board 2000-2005
  •   Member, City of Mukilteo Library Board 1994-1999
  •   Member, Rotary Club of Everett ; Board member 2003-2005
  •   President, Rotary Club of Everett, 2014-2015