About
Dr. Mei-Lai Lucas is a board-certified internist who trained at two respected institutions on opposite sides of the country. D. from the University of Oklahoma College of Medicine after completing pre-med studies at Pepperdine University. She then headed to Rhode Island, where she finished both her Internal Medicine internship and residency at Brown University.
The younger twin daughter of immigrant parents, Dr. Lucas grew up in Oklahoma City. She helped run her family's Chinese restaurant from age nine. Her identical twin sister, Mei-Ling Fong, MD, attended medical school alongside her and completed their Brown residencies together. Dr. Lucas arrived in San Francisco in 1999 and took ownership of a Richmond district practice in 2004, renaming it Richmond District Medical Group. Castle Connolly has named her a Top Doctor every year since 2011. She has held the Exceptional Women in Medicine designation since 2017. com has recognized her with both its Compassionate Doctor and Patient's Choice awards. Outside the office, she enjoys cooking, exercising, reading, and traveling with her husband Adam and their adult children, Lauren and Lance.
Education & Training
Undergraduate
Pepperdine University (pre-med studies)
Medical School
University of Oklahoma College of Medicine
Residency
Internal Medicine, Brown University, Rhode Island
Additional Training
Internal Medicine Internship, Brown University, Rhode Island
Certifications
Conditions Treated
Who is Dr. Lucas right for?
Dr. Lucas is a strong fit for adults seeking a long-term internal medicine relationship with an experienced clinician. Patients managing chronic conditions benefit from her deep expertise and direct access by phone, text, or email. She treats both women and men across a wide age range. Patients who value preventive care and individualized wellness planning will find her approach well-matched to their goals.
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Frequently Asked Questions
Dr. Lucas focuses on chronic disease management and preventive care for adults of all ages. She treats a broad range of internal medicine conditions in both women and men. Her two decades of Bay Area practice give her deep familiarity with the specialists and hospitals patients may need for more complex issues.
Yes. Dr. Lucas holds certification from the American Board of Internal Medicine. She completed her Internal Medicine internship and residency at Brown University in Rhode Island before building her clinical career in San Francisco.
D. from the University of Oklahoma College of Medicine. She completed both her Internal Medicine internship and residency at Brown University in Rhode Island. Her pre-med studies took place at Pepperdine University.
Castle Connolly has recognized Dr. Lucas as a Top Doctor every year since 2011. She has held the Exceptional Women in Medicine designation since 2017. com has honored her with both the Compassionate Doctor Recognition and the Patient's Choice Award.
Dr. Lucas has practiced in the Bay Area since 1999. She ran Richmond District Medical Group from 2004 until she transitioned to her concierge practice in January 2020. That history gives her extensive knowledge of local specialists, hospitals, and support services.
Dr. Lucas gives patients direct access by HIPAA-compliant email, cell phone, and text. This level of access is a core part of her concierge model. Patients do not need to go through a front desk or messaging system to reach her.
Yes. Dr. Lucas offers telemedicine as an option for patients who prefer remote care. She also conducts one-on-one visits at her private offices in San Francisco and Greenbrae, Marin.
Yes. Dr. Lucas holds a CLIA license, which allows her to perform on-site phlebotomy, routine lab procedures, and vaccine administration at her offices. Patients can handle many routine needs without a separate lab visit.
Doctor profile last updated June 11, 2026