is also a third generation physician at the Poser Clinic. He received his MD from the University of Wisconsin Medical School in Madison, WI. He went on to do his residency in Internal Medicine at the University of Hawaii Integrated Hospitals in Honolulu Hawaii. He is board certified in Internal Medicine. Dr. Sam sees patients of all ages. Dr. Poser has a walk in clinic every morning Monday through Saturday from 8 until 11:30, no appointments are necessary during this time.  For those patients who prefer appointments Dr. Poser has them Tuesday, Wednesday and Thursday afternoons.


is a third generation physician in the Poser Clinic. After completing his MD at the Medical College of Wisconsin in Milwaukee, Dr. Rolf did his residency in Internal Medicine at the University of Hawaii Integrated Hospitals in Honolulu Hawaii. He then went on to do a fellowship in Cardiology at Brigham & Women’s Hospital/Harvard Medical School in Boston, MA. under Dr. Bernard Lown, internationally known cardiologist who developed the first defibrillator and winner of a Nobel Peace Prize.  Dr. Rolf is board certified in Internal Medicine and Cardiology. He specializes in cardiology and performs stress tests, reads echocardiograms, holter monitors and EKG’s and inserts temporary pacemakers. Dr. Rolf is a careful and compassionate listener who excels at handling the complex care issues of the elderly.

Dr. Samuel G. Poser

Dr. Rolf F. Poser

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