Kaumakaokalani M Shimatsu, MD

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My specialty:
Internal Medicine

My provider affiliation:
Kaiser Permanente provider

I speak: English

My gender: Female

Where I practice

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About me

I was born and raised in Nanakuli, an underserved area where chronic disease disproportionately affects Native Hawaiians.

 

I went to Kamehameha Schools, Oregon State University, and the University of Hawaii, John A. Burns School of Medicine, where I was inducted into the Alpha Omega Alpha Honor Society.

 

I then did my internship and residency at the University of California, Davis. Certified in internal medicine and lifestyle medicine, I’m a fellow of the American College of Physicians and a diplomat of the American Board of Lifestyle Medicine. 

 

About my practice

 

Health care has long been a part of my family’s story. My mother was a registered nurse who cared for patients’ mental and physical health in both inpatient and outpatient settings across Oahu. My sister is an obstetrician-gynecologist at Kaiser Permanente in Northern California, where she manages complex, high-risk situations. Seeing their dedication, and fueled by my own interest in human health, I chose to pursue a career in medicine.

 

Practicing internal medicine allows me to build long-term relationships with patients while helping them understand their conditions and treatment options. During my work in primary care, I became familiar with lifestyle medicine. This field emphasizes the power of lifestyle changes to prevent, treat, and even reverse chronic diseases. Today, I incorporate lifestyle medicine into my practice to support patients in achieving better health and lasting well-being.

 

My work combines medical education, research, and community health. I developed a curriculum on cost-conscious care to help reduce unnecessary testing, and I co-authored a report on unusual illnesses and medication side effects. I also focus on improving health outcomes in areas that disproportionately affect Native Hawaiians, including diabetes, hypertension, and high cholesterol.

 

How I thrive

 

I try my best to practice what I preach – getting restorative sleep, following a balanced diet, exercising, and nurturing strong relationships with family and friends. I enjoy family time, cooking and eating, going to the beach, and exploring Hawaii.

My office

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My training, certifications & licensing

Medical school

University of Hawaii - Manoa JABSOM
Honolulu , HI

Board certification

Internal Medicine

American Board of Internal Medicine

To verify board certification for an individual practitioner, please visit the American Board of Medical Specialties, the American Medical Association, or the American Osteopathic Association websites.

Medical training

Internship

Internal Medicine

UC Davis Health Center
Sacramento , CA

Residency

Internal Medicine

UC Davis Health Center
Sacramento , CA

Joined Permanente Medical Group

2014

Provider ID

14028

NCQA



My hospitals

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This page was last updated on: 10/14/2025