About
Neil R. Okamura, DO is a board-certified internist practicing concierge medicine in Danville, California. He earned his Bachelor of Science in Physiology from the University of California, Davis in 1981, then pursued graduate studies in Exercise Physiology there before completing his Doctor of Osteopathic Medicine at Michigan State University College of Osteopathic Medicine in 1988. He completed internal medicine residency training at Botsford General Hospital in Farmington Hills, Michigan, where he served as Chief Administrative Resident from 1989 to 1992. He then completed an additional internal medicine residency at St. Mary's Hospital and Medical Center in San Francisco.
Dr. Okamura holds board certification from the American Board of Internal Medicine. He served as Chief of Staff at San Ramon Regional Medical Center from 1999 to 2001 and has served as a team physician for California High School athletics since 2004. Castle Connolly recognized him as a Top Doctor in 2023 and 2024. His care philosophy centers on treating the whole patient. He explores physical, mental, and emotional health together, believing that true wellness requires balance across all three. Patients have maintained relationships with Dr. Okamura for two and three decades, a testament to the trust he builds over time.
Education & Training
Undergraduate
University of California, Davis — B.S. Physiology, 1981
Medical School
Michigan State University College of Osteopathic Medicine, Lansing, MI — Doctor of Osteopathic Medicine, 1988
Residency
Internal Medicine, Botsford General Hospital, Farmington Hills, MI (1988-1989); Chief Administrative Resident (1989-1992); Internal Medicine, St. Mary's Hospital and Medical Center, San Francisco, CA (1992-1993)
Additional Training
University of California, Davis — Graduate Studies, Exercise Physiology, 1984
Certifications
Who is Dr. Okamura right for?
Dr. Okamura is a strong fit for adults seeking a long-term primary care relationship with a thorough, experienced internist. Patients managing chronic conditions such as type 2 diabetes, cardiovascular disease, or hypertension benefit from his proactive approach to monitoring and prevention. He treats patients as whole people, addressing physical, mental, and emotional health together. Adults who want same-day access and direct 24/7 physician contact will find his practice well suited to their needs.
Similar Doctors Nearby
Dr. Pamela WangMD
obesity, menopause, cardiovascular disease risk +6 more
Dr. Jatinder MarwahaMD, FACP
metabolic syndrome, diabetes, cardiovascular disease +6 more
Dr. Eena DuggalMD
Preventive care conditions, Women's health conditions, Children's health conditions +3 more
Frequently Asked Questions
Dr. Okamura focuses on internal medicine for adults, including prevention, chronic disease management, and acute illness. He has extensive experience managing conditions such as type 2 diabetes, cardiovascular disease, hypertension, and high cholesterol. He also coordinates specialist referrals when patients need care beyond the primary care setting.
Dr. Okamura treats each patient as a whole person. He considers physical, mental, and emotional health together rather than focusing only on symptoms. He believes a balance across all three components leads to optimal health, and he takes time to educate and support each patient during visits.
Yes. Dr. Okamura holds board certification from the American Board of Internal Medicine. He earned his Doctor of Osteopathic Medicine from Michigan State University College of Osteopathic Medicine and completed residency training at Botsford General Hospital and St. Mary's Hospital and Medical Center.
Dr. Okamura earned his undergraduate degree in Physiology and later completed graduate studies in Exercise Physiology, both at the University of California, Davis. He received his medical degree from Michigan State University College of Osteopathic Medicine. He trained in internal medicine at Botsford General Hospital in Michigan, where he served as Chief Administrative Resident, and later at St. Mary's Hospital and Medical Center in San Francisco.
Yes. Castle Connolly named Dr. Okamura a Top Doctor in both 2023 and 2024. He also served as Chief of Staff at San Ramon Regional Medical Center from 1999 to 2001 and has served as a team physician for California High School athletics since 2004.
Dr. Okamura holds affiliations with San Ramon Regional Medical Center and John Muir Medical Center. These affiliations allow him to coordinate hospital-based care for his patients when needed.
Yes. Dr. Okamura makes himself available by phone after hours and on weekends. Members can reach him directly for urgent concerns without waiting for the next business day.
Yes. Every office visit with Dr. Okamura means seeing Dr. Okamura directly. He does not route patients to nurse practitioners or physician assistants in his place.
Doctor profile last updated April 10, 2026