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.

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.

Zachary Edens

Zach Eden

  •  Associates: Pre-Medical Science, Northern Oklahoma College, Tonkawa, Oklahoma
  •  Bachelors: Nutritional Science: Allied Health, Oklahoma State University, Stillwater, OK
  •  Masters: Physician Assistant Studies, University of South Alabama, Mobile, Alabama
  •  Urgent Care PA 2018-2023
  •  Occupational Medicine PA 2018-2023
Board Certification
  •  NCCPA Certified
  •  AAPA Fellow
  •  OAPA Fellow
  •  Federal DOT Examiner
  •  Zach grew up in rural Oklahoma and is an avid hunter and fisherman.
  •  During college, he served a two-year mission for his church, and speaks fluent Spanish.
  •  He is married to his best friend and has four wonderful children.
  •  He is a foodie and loves traveling and getting to immerse himself in new cultures and experiences.


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