Maria Luisa Osmeña, MD
Board Certified Pediatrician
Director and Owner
Certification and Licensure
- August 7, 2002, 2012, 2022: Completed Renewal Requirements for Certification from the American Board Of Pediatrics. Renewal for MOC requirements completed.
- January 1, 1999: Fellow, American Academy of Pediatrics
- October 9, 1996: Diplomate, American Board of Pediatrics
- February 2, 1994: Physicians/Surgeons License, Medical Board of California
- July 1, 1993: Diplomate, National Board of Medical Examiners
Education and Training
- 1992-95: University of California, San Francisco, Pediatric Residency
- 1988-92: University of California, San Francisco, School of Medicine, M.D.
- 1985-88: San Francisco State University, B.S. Biology, Summa cum laude
Personal Data
- Languages spoken: Spanish, Pilipino/Tagalog, Visayan
- Marital Status: Married
- Children: Two daughters
Meghan Trojnar D.O.
Certification and Licensure
- December 2016, 2021: Completed Maintenance of Certification through the American Board of Pediatrics
- December 2009: Diplomate, American Board of Pediatrics
- December 2007: Physician/Surgeons License, Osteopathic Medical Board of California
Education and Training
- 2009-2010: Loma Linda University Children’s Hospital, Chief Resident
- 2006-2009: Loma Linda University Children’s Hospital, Pediatric Residency
- 2002-2006: Western University of Health Sciences College of Osteopathic Medicine of the Pacific, D.O.
- 1998-2002: UC San Diego, B.A. Third World Studies
Personal Data
- Languages spoken: Spanish
- Marital Status: Married
- Children: Two children
Vivian Chan, MD
Certification and Licensure
- July 1, 2026: American Board of Pediatrics, Eligible (October 2026)
- April 2, 2026: Physicians/Surgeons License, Medical Board of California
- June 25, 2025: Drug Enforcement Administration Certification
Education and Training
- 2023-26: UCSF Benioff Children’s Hospital Oakland, Pediatric Residency
- 2019-23: Albany Medical College, M.D., with Distinction in Bioethics
- 2014-17: Boston University, B.A. Cellular, Molecular Biology and Genetics, Magna cum laude
Personal Data
- Languages Spoken: Chinese (Mandarin), Spanish
- Marital Status: Married
- Children: None. One cat
Other LiveWell Staff Members
- Isabel Herrera – Medical Assistant
- Katherine Rios – Medical Assistant
- Magdalena Segura – Medical Assistant
- Sabrina Rodas Cifuentes – Medical Assistant
- Magally Jimenez – Medical Assistant
- Ellen Yap – Office Manager and Head Billing Specialist
