Dr. Gerald WatanabeMD

Internal Medicine

at Gerald H. Watanabe, MD — Honolulu, HI

About

Gerald H. Watanabe, MD is a Honolulu-based internal medicine physician with deep roots in Hawaii's medical community. He earned two Bachelor of Arts degrees from the University of Hawaii at Manoa, in Psychology in 1983 and in Biology in 1985, graduating with Distinction. He received his Doctorate of Medicine from St. Louis University School of Medicine in 1990. He then returned to Honolulu for both his internship and internal medicine residency at the University of Hawaii Medicine Residency Program, completing his training in 1993.

Dr. Watanabe holds membership in the American College of Physicians and maintains hospital affiliations at Kuakini Medical Center and The Queen's Medical Center. S. S. Department of Homeland Security. He also serves as Medical Consultant and School Physician for Maryknoll Schools and mentors students through the 'Iolani School Professional Career Mentor Program. He focuses on preventing chronic conditions and managing type 2 diabetes, high cholesterol, and hypertension. Patients describe him as personable, thorough, and consistently responsive. Outside medicine, Dr. Watanabe plays piano and enjoys karate, tennis, running, photography, snorkelling, and snow skiing.

Education & Training

Undergraduate

University of Hawaii at Manoa, B.A. Biology (1985, Graduated with Distinction); B.A. Psychology (1983)

Medical School

St. Louis University School of Medicine, Doctorate of Medicine 1990

Residency

Internal Medicine, University of Hawaii Medicine Residency Program, Honolulu, HI (1991-1993)

Additional Training

Internship: University of Hawaii Medicine Residency Program, Honolulu, HI (1990-1991)

Conditions Treated

type 2 diabetes
high cholesterol
hypertension

Who is Dr. Watanabe right for?

Dr. Watanabe is a strong fit for adults seeking an engaged, long-term primary care relationship. Patients managing type 2 diabetes, high cholesterol, or hypertension benefit from his preventive focus and proactive monitoring. He works well with patients who want a physician who coordinates specialist care on their behalf. Those who value same-day access and after-hours availability find his practice especially practical.

Similar Doctors Nearby

Frequently Asked Questions

Dr. Watanabe specializes in internal medicine with a particular focus on chronic condition management. He treats patients with type 2 diabetes, high cholesterol, and hypertension. He also emphasizes preventive care, reviewing each patient's lifestyle, family history, and physical condition to identify potential health risks early.

Dr. Watanabe builds a personal partnership with each patient. He and his office team work collaboratively with patients to develop individualized health plans. He addresses current medical issues while actively working to prevent future ones.

Dr. Watanabe earned his medical degree from St. Louis University School of Medicine in 1990. He completed both his internship and internal medicine residency at the University of Hawaii Medicine Residency Program in Honolulu, finishing in 1993.

Yes. Dr. Watanabe maintains affiliations with two Honolulu hospitals: Kuakini Medical Center and The Queen's Medical Center. He also serves on multiple committees at Kuakini Medical Center, including the Credentials Committee and the Steering Committee for the Department of Medicine.

Yes. Dr. Watanabe's office handles specialist coordination directly for patients. The staff contacts specialists and arranges appointments on the patient's behalf, so patients do not need to navigate that process alone.

Yes. Dr. Watanabe makes himself available to patients by phone after hours and on weekends. Members can reach him directly for urgent concerns without waiting for a scheduled appointment.

S. S. Department of Homeland Security. He also works as Medical Consultant and School Physician for Maryknoll Schools and mentors students through the 'Iolani School Professional Career Mentor Program.

Dr. Watanabe has practiced internal medicine in Honolulu for over 13 years as a primary care physician, with some patients reporting relationships spanning more than two decades. He completed his residency training in Honolulu and has remained in the community throughout his career.

Doctor profile last updated April 2, 2026