Meet the Providers

Doctors On Call offers friendly expert care whether you're a resident or a visitor. With a full medical team, we provide fast, effective treatment for injuries and illnesses. We also offer a variety of medical and preventive care services to help you get through whatever today might bring.
  • Dr. Norman Estin Physician

    Dr. Norman Estin

    Dr. Estin is the founder and medical director of Doctors On Call since 1987.
    - Urgent Care
    - Emergency Medicine
    - Travel Medicine
    - Sports Medicine
    - Diving Medicine

  • Dr. David Adams Physician

    Dr. David Adams

    Dr. Adams was born and raised in Iowa and has lived in Maui since 2002 with his wife and two children. Dr. Adam's is board certified in family medicine.
    - Urgent Care
    - Family Medicine

  • Dr. Kari Adams Physician

    Dr. Kari Adams

    Dr. Kari Adams grew up in the Midwest and has lived on Maui since 2002 with her husband and two children. She is board certified in family medicine.
    - Urgent Care
    - Family Medicine

  • Martha ‘Mel’ Lindsey Physician Assistant

    Martha ‘Mel’ Lindsey

    She is a certified Physician Assistant (PA-C) who received her undergraduate degree from Cal State Long Beach in Physical Education with a certificate in Athletic Training in 1984.

  • Shannon Richards Nurse Practitioner

    Shannon Richards

    Shannon Richards, MSN, RN, FNP-BC, is a Family Nurse Practitioner, with Doctors On Call, with locations in West Maui.

  • Diana Bowman Physician Assistant

    Diana Bowman

    Is certified Physician Assistant (MMS-PA) with over 12 years of experience.

  • Paige Williams Managing Director

    Paige Williams

    Paige, CPB, CPPM.  Joined Doctors On Call as the Managing Director in 2013. With a background in healthcare business administration, Paige was brought on board to manage the staff, modernize operations and build additional locations.


Need inter-island travel clearance? Doctors On Call can order your PCR test at both locations, no appointment needed, most insurances accepted!