440 N. Mountain Ave.
Suite 307
Upland, CA 91786
Monday 8:30 a.m. – 5:00 p.m.
Tuesday8:30 a.m. – 5:00 p.m.
Wednesday8:30 a.m. – 5:00 p.m.
Thursday8:30 a.m. – 5:00 p.m.
Friday8:30 a.m. – 5:00 p.m.
Compassion, innovation, and advanced medical treatments are the qualities that guide our cancer care treatment at The Oncology Institute. Our Upland clinic provides personalized, precision therapies with a focus on physical symptoms as well as the emotional toll this disease can take.
If you’re looking for high-value cancer care in Upland or San Bernardino County, we look forward to supporting you and your loved ones in your recovery journey.

440 N. Mountain Ave.
Suite 307
Upland, CA 91786
The medical providers at our Upland clinic include some of the nation’s most qualified cancer and blood disorder specialists. Our oncologists and medical professionals work together to provide a cohesive treatment experience defined by excellence. You can be sure we will do everything it takes to care for your needs.
Labib A. Hashimi, M.D.Dr. Labib Hashimi is a board-qualified oncologist and hematologist recognized internationally as a published specialist in cancer care. Due to his outstanding medical credentials and clinical performance, Dr. Hashimi holds medical privileges at many area hospitals. He speaks Arabic, Farsi, and Spanish in addition to English.View Profile
Ersin S. Unal, M.D.Along with impressive credentials as a board-certified hematologist and oncologist, Dr. Ersin Unal specializes in biomedical sciences and molecular pharmacology. He brings this technical expertise to caring for the unique needs of our Upland patients and to ongoing clinical research studies.View Profile
Mariene Doukoure Balde, MSN, APRN, FNP-CMariene Doukoure Balde is a certified nurse practitioner and a brilliant addition to the medical team at our Upland clinic. She offers unwavering sensitivity, a wealth of clinical experience and genuine care for our patients. She’s committed to ensuring every patient fully understands their treatment program.View ProfileOur Upland location can be found on East Foothill Boulevard, less than a mile up the road from San Antonio Regional Hospital. Although we are closed on Monday, you can make an appointment on all other weekdays until 5:00 p.m. There is plenty of free parking available.
At The Oncology Institute, we strive to show our patients the respect and consideration they deserve, including small touches like private exam rooms and comfortable infusion chairs. Your Upland oncologist will work with you, your family, and your referring provider to develop a plan tailored to your needs and treatment goals.
We develop your care plan based on the highest standards, clinical best practices, and most advanced research. At our Upland location, we offer a variety of treatment therapies as well as:
At The Oncology Institute in Upland, we want you to feel confident and hopeful about your future. To schedule a consultation with one of our specialists, fill out an online appointment form or call (909) 906-1519.