Dr. Jacob Offenberger specializes in allergy/immunology in Granada Hills area. Dr. Jacob Offenberger, MD has a medical practice at 10515 Balboa Boulevard, #390, Granada Hills CA, and has over 37 years of experience in the field of medicine. He graduated from his medical school with his medical degree in 1980. Dr. Offenberger is accepting new patients at his medical office and practice location in Granada Hills, California. He is available for appointments, preventative care, medical care as well as ongoing patient care.