Leading You To Better Health

Ghassan Hadi is a diligent and accomplished physician specializing in internal medicine and providing care for his patients in Upland, CA. Dr. Hadi is certified by the American Board of Internal Medicine, and he is a member of the American College of Physicians. He is multilingual, speaking English, French, Arabic and, Spanish.

Dr. Hadi received his medical degree from the Rennes University of Medicine in Rennes, France. He completed his postdoctoral residency and fellowship at the Los Angeles County + University of Southern California Medical Center. During this time, he received clinical training in internal medicine and hepatology. Dr. Hadi is currently providing care for his patients through his private internal medicine practice, and through his hospital affiliations with San Antonio Regional Hospital and Casa Colina.

Dr. Hadi is currently providing care for his patients through his private internal medicine practice, and through his hospital affiliations, as and attending physician in the Arrowhead Regional Medical Centers liver clinic and as a hospitalist at the San Antonio Community Hospital.

Elise Joelle Martinez, NP-C, Adult-Gerontology Nurse Practitioner

Get to know Adult-Gerontology Nurse Practitioner Elise Martinez, who serves patients in Upland and Corona, California.

Elise is a recent graduate of Azusa Pacific University. She holds both a Bachelor of Science in Nursing degree and a Master of Science in Nursing degree. Elise is involved in medical mission work and is affiliated with Helps International and Global Medical Foundation, serving those in need around the world. When she is not traveling for mission work, she is working as a board certified adult-gerontology nurse practitioner with Dr. Ghassan Hadi at his internal medicine office in Upland, California as well as a registered nurse in the intensive care unit at Corona Regional Medical Center in Corona, California. Corona Regional Medical Center is a 238-bed community hospital network comprised of a 160-bed acute care hospital and a 78-bed rehabilitation campus. It is certified by The Joint Commission, employs more than 1,000 trained healthcare workers and has a medical staff of approximately 300 physicians representing more than 40 specialties.

Jennifer Li, MSN, FNP-BC

Get to know Nurse Practitioner Jennifer Li, who serves patients in Upland and Corona, California.

Jennifer is a graduate of Azusa Pacific University and holds a Master’s degree in Nursing. She is working as a board certified nurse practitioner with Dr. Ghassan Hadi at his internal medicine office in Upland, CA as well as a nurse practitioner in and OB/GYN practice in Arcadia. She is also practicing in aesthetics/injectables and is currently working on her surgical assisting license. Outside of work, she is a full time dog mom of 2, a foodie, and is always dreaming of the next international vacation.