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 The beautiful 9,500-acre San Miguel Island is located at the California Channel Islands. As the island remains untouched and unspoiled, we consider it as an anachronism. The name of San Miguel Endocrine came from our goal of emulating the experience you get after visiting the island. 

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Focused on Your Needs

At San Miguel Endocrine in Honolulu, HI, we make sure that we use the latest information technology to keep your medical records well secured. As a coordinated care provider, we aim to offer a practical solution for patients to understand and utilize their preferred health care.

Meet the Team

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Thomas B. Francis, M.D.

 Dr. Francis was raised in Los Angeles before studying at the Phillips Andover and Harvard University in Massachusetts from 1971 to 1980. Before going to medical school, he spent a year teaching physics and coaching at Andover. He developed his interest in endocrinology during his experience as a lab technician at the Massachusetts General Hospital’s Diabetes Unit. 

Medical Training and Staff Positions

Medical School

USUHS, Bethesda MD

1983-1987 

Internal Medicine Internship

Walter Reed AMC Washington D.C.

1987-1988 

Internal Medicine Residency

Walter Reed AMC Washington D. C.

1988-1990 

Endocrinology Fellowship

Walter Reed AMC Washington D. C.

1990-1993 

Staff Endocrinologist

Walter Reed AMC Washington D. C.

1993-1997 

Staff Endocrinologist

Tripler AMC Honolulu, HI

1997-2009 

 

Dr. Francis retired as a US Army Colonel after 26 years of service in November 2009. He has extensive clinical experience in endocrinology with particular interest in thyroid cancer, adrenal disorders, post-bariatric nutritional deficiency, and type 1 diabetes mellitus. 


 The family of Dr. Francis includes his spouse, Dr. Lucie Roux, and his two children, Madison and Lambert. His interests outside medicine include running and scuba diving. He was certified as a Los Angeles County and PADI scuba diving instructor in 1979. The medical practice is named for San Miguel Island, which is one of Dr. Francis’s favorite diving spots. 

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Aja Barney, Office Manager, Billing

 For  more than three years, Aja Barney has been bringing her passion is to  give to those in need. She graduated from Kalani High School and  received her degree from Leeward Community College in Medical Studies.


Aja  was born in La Paz, Bolivia and raised in Honolulu, HI. She initially  worked as an administrative assistant in the emergency medical services  at Kapiolani Community College. Later, she earned a Liberal Arts Degree  at Leeward Community College.


Her proud family includes her mother, sisters, and pre-teen daughter Kaya. When not managing the San Miguel phones and email requests, she can be found hiking, at the beach, and writing poetry. 


Her  superb customer service came partly from working at the famous Duke’s  Canoe Club for 15 years before moving into medical administration at the  Manakai O Malama Clinic. She came to San Miguel Endocrine in the summer  of 2016 assuming all scheduling and billing duties.