Medical Director: Dr. Lily Phillips, M.D.
Dr. Lily Phillips, M.D.
Family Medicine, Board Certified
Bachelor of Science - 1993
UCLA in Physiological Sciences
(University of California at Los Angeles)
Doctor of Medicine M.D. -1997
USC, Keck School of Medicine
(University of Southern California)
Family Medicine Residency - 1997-2000
Loma Linda University Medical Center
In the past 20 yrs, Dr. Phillips has gathered a wide spectrum of clinical experiences including hospital, urgent care, and enjoyed providing state of the art medical care for children, adolescents, and men and women of all ages, in the settings of private practice, Kaiser, and County Dept of Public Health.
Dr. Phillips sees her medical profession as her life passion, and is dedicated to heal and to partner with her patients to achieve optimal health via cutting edge, evidence based medicine, compassion, and education.
Dr. Phillips has a big heart and she looks for opportunities to change lives one at a time whether here with her patients, in her personal life among her family and friends, or overseas volunteering in a medical mission overseas.
Dr. Phillips is fluent in American English, Mandarin Chinese, and Medical Spanish.
Staff Physician: Timothy Li, D.O.
Bachelor of Arts - B.A. 2005
The State University of New Jersey
Master of Biomedical Sciences 2005-2008
University of Medicine and Dentistry of New Jersey
Doctor of Osteopathic Medicine 2007-2011
Western University of Health Sciences
Family Medicine Residency 2011-2014
Loma Linda University Medical Center
Dr Li grew up in rural southern New Jersey.
He became inspired to become a physician while volunteering as a college student at a charity hospital in Egypt. Nine years later, he received his doctor degree from Western University of Health Sciences and went on to complete his residency in Family Medicine at Loma Linda University Medical Center.
Since residency, Dr. Li has served as a physician for the Native American population on various nearby reservations. He has consistently shown sincere concern and enthusiasm for helping patients improve their overall wellness.
Staff Physician: Stephanie Changchien, M.D.
Bachelor of Arts - B.A. 2003
- Honor's Program in Medical Education at
Doctor of Medicine - M.D. 2007
- Northwestern University, Feinberg School of Medicine
Family Medicine Residency Program 2007-2010
- San Jose-O'Connor Hospital - in affiliation with
- Stanford University School of Medicine
After completing her training in 2010, Dr. Changchien went on to work full-spectrum Family Medicine for the under-served patient population on the west side of Chicago. Dr. Changchien has enjoyed caring for all patients including pediatric, obstetric, and adults in her clinical experience.
She derives the most satisfaction in teaching patients to be empowered to improve their physical, mental, and emotional health.
When Dr. Stephanie is not at work she is dedicated to raising two beautiful little girls with the help of her devoted husband, who is a physician practicing in the specialty of Colo-rectal Surgery.
Dr. Changchien is fluent in English and Spanish.
Physician Assistant Tiffany Kaufman, MPH, PA-C
Tiffany has practiced medicine full time as a Physician Assistant since 2003. She received her Bachelor of Science degree in dietetics at the University of Wisconsin-Madison. She completed the PA program at Novasoutheastern University in Fort Lauderdale, Florida, where she also obtained a Master's degree in Public Health.
Tiffany has over 8 years of experience in Obstetrics and Gynecology as well as over 5 years in Family Medicine/ Urgent Care. She is a caring healer with keen clinical insights and goes out of her way to restore folks back to optimal health. She works closely as a team with all the physicians on our team to ensure best possible outcomes for our patients.
In her spare time, she enjoys yoga, running marathons, skiing and spending time with family and friends.
Nurse Practitioner: Peter O'Brien, NP
Peter O'Brien is an attentive and compassionate nurse practitioner dedicated to outstanding, state-of-the-art health care. Mr. O'Brien attended the prestigious Simmons College, where he received his nurse practitioner degree, and has had wonderful reviews from patients over the past year in family medicine.
Outside of his practice, he enjoys surfing, reading books, and traveling. He is a member of the American Association of Nurse Practitioners and the CA Association of Nurse Practitioners.
Patients love and trust Mr. O'Brien's expertise because he delivers excellent health outcomes.
Here are some recent verified reviews about Mr. O'Brien found online:
"He is fantastic, very thorough! Super compassionate, fabulous, kind, a real life saver! He is ethical , encouraging, a great listener and wonderfully concerned. He is also extremely on top of current research and absolutely able to allow the patient direct the treatment. It is rare to find a health care provider secure enough to listen as thoroughly as he does!"
" I would highly recommend Dr. O'Brien to friends and family. His personable and possitive attitude made my visit enjoyable. Thank you Dr. O'Brien and staff!"
" Mr. O'Brien was very courteous and attentive to my needs. He was very patient and seemed to truly care about my problem. I am definitely glad I chose to keep my appt w/ him."