Our Staff


Dr. Jitka

Medical Director

Living on the beautiful island of Guam since 1999.

Update as of September 2019:
Dr. Jitka Lom, Chief Medical Officer of ExpressCare Health and Skin Clinics, has recently obtained a post-graduate diploma, with distinction, in dermatology from the prestigious Cardiff University in Wales.

Click here to view more information about Dr. Jitka Lom's experience in Dermatology and being Guam's very own certified skin doctor. 



  • 2018-2019: Post-Graduate Diploma in Practical Dermatology, Cardiff University, Wales
  • 1994-1995: Residency in Anesthesia for Family Medicine, University of Toronto , Canada
  • 1992-1994: Residency in Family Medicine, University of Toronto , Canada
  • 1987-1992: University of Toronto, Canada Faculty of Medicine, Doctor of Medicine (MD)
  • 1991-1992 Jiangsu W.H.O. College of Traditional Chinese Medicine. Studied acupuncture
  • 1985-1987: Nutritional Sciences and Biology, University of Toronto


  • Primary Care Dermatology, since 2004
  • Aesthetic medicine, Botox and lasers, since 2004
  • Family medicine, ongoing since 1994
  • Emergency medicine, 1994-2004
  • Occupational medicine, 1999-2004

Board Certification

  • American Board of Family Practice
  • Additional Certification:  Senior FAA Medical Examiner since 1999, providing FAA flight physicals for pilots and air traffic controllers 

  • American Academy of Family Physicians
  • Canadian Council of Family Physicians
  • Guam Medical Association
  • Guam Medical Society

Continuing Medical Education

  • Recipient of AMA and Guam Physician Recognition Awards for ongoing medical education.
  • Devoted to continuing medical education, both formal (conferences) and informal (journal reading, consultations).
  • Attends medical meetings worldwide, including USA and Asia.

Valerie Patton, PA-C

Physician's Assistant

Ku-in Kang


  • Master of Science in Physician Assistant Studies, 2020
    University of Kentucky, Lexington, KY
  • Post-baccalaureate studies, 2014-2016
    University of Louisville, Louisville, KY
  • Bachelor of Science in Missions, 2008
    Boyce College, Louisville, KY


  • Valerie is an excellent violinist.
  • She loves to travel and speaks fluent Bahasa-Indonesian.

Roz Rama, PA-C

Physician's Assistant


  • A Guam native, returning home to our beautiful island with over 10 years experience!
  • 2001 Mountain State University, West Virginia-Physician Assistant Program
  • 1996 Political Science August West Virginia University ,Honors: Cum Laude
  • Licensed on Guam since 2012.

Sabrina Fletcher, FNP

Family Nurse Practitioner


  • Master of Science in Nursing – Family Nurse Practitioner
    Colorado Technical University 2021
  • Bachelor of Science in Nursing, BSN (December 18, 2007)
    University of South Carolina Upstate - Spartanburg, SC
  • Self Regional Hospital Emergency Room 2008-2014
    Registered Nurse, Level III Trauma Center
  • Captain, Flight Nurse US Air Force Reserves
    Aeromedical Evacuation Crew Member, 36th
    AES Pope Army Airfield, NC.
  • Air Methods Okaloosa MedFlight Nurse

Licensed on Guam since 2021

Loves to study and is committed to continuously updating her knowledge.


Lisha Hasskamp, PA-C

Licensed on Guam since 2022
Also serving in the National Guard
Raised on Guam!


  • Master of Physician Assistant Studies 2021
    University of Nebraska Medical Center, Omaha, NE
  • Bachelor of Science - Physician Assistant Studies 2020
    University of Nebraska Medical Center, Omaha, NE
  • Bachelor of Science - Biology 2015
    Dickinson State University, Dickinson, ND